:root{--ink:#232428;--paper:#f8f6f3;--muted:#6e6b69;--line:rgba(41,41,41,.13);--accent:#842e48;--accent2:#c9a197;--pale:#f2e7e7;--night:#32101e;--max:1200px;--ease:cubic-bezier(.2,.8,.2,1)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f8f6f3;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,'Avenir Next','Segoe UI',sans-serif;font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;transition:background-color .6s}body[data-theme="petreos"]{--accent:#b36e3b;--accent2:#d6ad7f;--pale:#f5eee5;--night:#3b251c}body[data-theme="aglomerantes"]{--accent:#2e7476;--accent2:#a5c9c0;--pale:#e8f1ee;--night:#123438}body[data-theme="aplicaciones"]{--accent:#8a425e;--accent2:#e0b49b;--pale:#f2eaf0;--night:#381b33}body[data-theme="bibliografia"]{--accent:#76536b;--accent2:#b6a5b1;--pale:#f1eaf0;--night:#312535}a{color:inherit}button,input{font:inherit}button{cursor:pointer}img,video{display:block;width:100%}img{object-fit:cover}h1,h2,h3,p,figure{margin-top:0}h1,h2,h3{line-height:1.12;letter-spacing:-.04em}h2{font-size:clamp(2.35rem,4.8vw,4.6rem);font-weight:690;max-width:930px;margin-bottom:34px}h2 em,h1 em{font-family:Georgia,'Times New Roman',serif;font-weight:400;font-style:italic;letter-spacing:-.043em;color:var(--accent)}h3{font-size:1.5rem;line-height:1.2}p{max-width:760px;color:#57545a;font-size:clamp(1rem,1.13vw,1.12rem)}.lead{font-size:clamp(1.15rem,1.8vw,1.46rem);line-height:1.55;color:#48474c;max-width:790px}.minor{font-size:.88rem;color:#817d7d;line-height:1.55}.source{font-size:.78rem!important;color:#837f7b!important;border-top:1px solid var(--line);padding-top:13px;margin:28px 0 0;line-height:1.6;max-width:unset}.source.centered{text-align:center}.eyebrow{font-size:.76rem;font-weight:780;letter-spacing:.20em;color:var(--accent);margin-bottom:30px;text-transform:uppercase}.eyebrow.light{color:#e6c5c2}.container{width:min(var(--max),calc(100% - 110px));margin-inline:auto;position:relative}.scene{position:relative;min-height:88vh;padding:clamp(104px,12vh,170px) 0 clamp(90px,11vh,152px);isolation:isolate;overflow:hidden;scroll-margin-top:70px}.scene:nth-of-type(even){background:#f2f0ec}.scene .container{z-index:1}.scene:not(.chapter-cover):not(.hero):not(.close-scene)::after{content:"";position:absolute;top:0;left:0;width:100%;height:1px;background:linear-gradient(90deg,transparent,rgba(20,20,20,.08),transparent)}.scene:has(.story-img){min-height:760px}.scene:has(.research-wheel){min-height:90vh}.scene:has(.matrix-wrapper){min-height:790px}.scene:has(.video-grid){min-height:780px}.reveal{opacity:0;transform:translate3d(0,38px,0);filter:blur(7px);transition:opacity .95s var(--ease),transform .95s var(--ease),filter .95s var(--ease)}.reveal.in-view{opacity:1;transform:none;filter:none}.reveal:nth-child(2){transition-delay:.08s}.reveal:nth-child(3){transition-delay:.13s}.reveal:nth-child(4){transition-delay:.16s}.intro-theme{--accent:#eed7cf;--night:#371321}.scroll-progress{position:fixed;left:0;top:0;height:3px;width:0;background:#e4b0a5;z-index:90;will-change:width;box-shadow:0 0 14px rgba(248,174,150,.35);transition:background-color .5s}.topbar{height:76px;z-index:85;position:fixed;left:0;right:0;top:0;display:flex;align-items:center;justify-content:space-between;padding:0 max(30px,4vw);gap:35px;background:rgba(248,246,243,.92);backdrop-filter:blur(22px);border-bottom:1px solid rgba(30,30,30,.08);transition:background .4s,color .4s,transform .45s;}.topbar.on-hero{background:rgba(30,13,25,.46);color:white;border-color:rgba(255,255,255,.15)}.brand{text-decoration:none;display:flex;gap:12px;align-items:center;min-width:270px}.brand-seal{height:47px;width:39px;display:block}.brand-seal img{width:100%;height:100%;object-fit:contain}.brand strong{font-size:.95rem;line-height:1;letter-spacing:.09em;display:block}.brand small{font-size:.55rem;letter-spacing:.11em;color:#8e8987;display:block;margin-top:5px;white-space:nowrap}.topbar.on-hero .brand small{color:#eedddb}.active-track{font-size:.66rem;letter-spacing:.17em;font-weight:790;display:flex;gap:12px;align-items:center;white-space:nowrap}.theme-swatch{width:9px;height:9px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px color-mix(in srgb,var(--accent),transparent 85%)}.menu-button{background:none;border:0;display:flex;width:41px;height:35px;flex-direction:column;justify-content:center;gap:6px;padding:6px}.menu-button span{height:2px;background:currentColor;width:24px;display:block;margin-left:auto;transition:width .25s}.menu-button:hover span:nth-child(2){width:15px}.nav-drawer{position:fixed;z-index:103;right:0;top:0;bottom:0;background:#211e22;color:#f7f3ee;width:min(430px,95vw);padding:40px 35px;transform:translateX(103%);transition:transform .45s var(--ease);overflow-y:auto;box-shadow:-30px 0 80px rgba(0,0,0,.15)}.nav-drawer.open{transform:none}.nav-drawer a{display:block;text-decoration:none;border-bottom:1px solid #4c454a;padding:13px 0;font-size:.93rem;transition:color .2s,padding .2s}.nav-drawer a:hover{padding-left:7px;color:#efc7b9}.drawer-head{display:flex;align-items:center;justify-content:space-between;color:#c4aeb8;font-size:.7rem;letter-spacing:.16em}.drawer-head button{border:1px solid #62545b;color:white;background:none;border-radius:50%;width:37px;height:37px;font-size:1.6rem;line-height:1}.drawer-bottom{font-size:.75rem;color:#91858d;margin-top:30px}.drawer-shade{z-index:102;position:fixed;inset:0;background:rgba(22,17,20,.45);opacity:0;visibility:hidden;transition:.4s}.drawer-shade.open{opacity:1;visibility:visible}.side-dots{position:fixed;right:26px;top:50%;display:flex;flex-direction:column;gap:17px;transform:translateY(-50%);z-index:40}.side-dots a{width:8px;height:8px;border:1px solid #928984;border-radius:50%;transition:.3s}.side-dots a.active{transform:scale(1.3);background:var(--accent);border-color:var(--accent)}.backtop{position:fixed;right:32px;bottom:30px;z-index:80;border:1px solid rgba(0,0,0,.15);box-shadow:0 8px 25px rgba(0,0,0,.1);background:#fbfaf6;color:var(--accent);width:46px;height:46px;border-radius:50%;font-size:1.35rem;opacity:0;pointer-events:none;transition:.4s}.backtop.visible{opacity:1;pointer-events:auto}
/* hero */
.hero{min-height:100svh;color:white;background:radial-gradient(ellipse at 80% 30%,#aa4561 0%,#631e37 43%,#270e1c 100%);padding:106px 0 57px;display:flex;align-items:center}.hero .container{z-index:5}.hero-inner{min-height:calc(100svh - 175px);display:flex;flex-direction:column;justify-content:space-between;gap:50px}.institution{display:flex;align-items:center;gap:21px}.institution img{width:59px;height:75px;object-fit:contain;filter:brightness(1.7)}.institution p{font-size:.68rem;line-height:1.55;letter-spacing:.075em;color:rgba(255,255,255,.86);margin:0;max-width:590px}.hero h1{font-size:clamp(4.1rem,8vw,8.9rem);line-height:.98;letter-spacing:-.065em;margin:0 0 25px;font-weight:720}.hero h1 em{color:#f3d2c4}.hero-title{max-width:1000px}.hero-subtitle{color:#f9e4df;font-size:clamp(1.22rem,2.3vw,2rem);line-height:1.4}.hero-bottom{display:flex;gap:40px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.33);padding-top:24px}.hero-bottom div{min-width:145px;max-width:350px}.hero-bottom span{font-size:.65rem;letter-spacing:.16em;color:#eac0bb;display:block;margin-bottom:8px}.hero-bottom strong{font-weight:500;font-size:.94rem;line-height:1.55}.hero-orbit{position:absolute;top:-70px;right:-160px;width:min(68vw,970px);height:min(68vw,970px);border:1px solid rgba(255,255,255,.12);border-radius:50%;box-shadow:0 0 0 120px rgba(255,255,255,.023),0 0 0 245px rgba(255,255,255,.017);animation:orbit 36s linear infinite;opacity:.65}.hero-orbit:after{content:"";position:absolute;inset:16%;border:1px dashed rgba(255,255,255,.14);border-radius:50%}.hero-orbit span{position:absolute;width:var(--w,28px);height:var(--w,28px);background:rgba(238,196,169,.4);border-radius:31% 60% 33% 50%;transform:rotate(27deg)}.hero-orbit span:nth-child(1){top:10%;left:20%;--w:40px}.hero-orbit span:nth-child(2){top:30%;left:61%;--w:65px}.hero-orbit span:nth-child(3){top:55%;left:10%;--w:20px}.hero-orbit span:nth-child(4){top:80%;left:31%;--w:57px}.hero-orbit span:nth-child(5){top:76%;left:74%;--w:32px}.hero-orbit span:nth-child(6){top:17%;left:88%;--w:16px}.hero-orbit span:nth-child(7){top:43%;left:43%;--w:40px}@keyframes orbit{from{transform:rotate(0)}to{transform:rotate(360deg)}}.scroll-cue{position:absolute;right:6%;bottom:40px;font-size:.6rem;letter-spacing:.21em;display:flex;align-items:center;gap:15px;color:rgba(255,255,255,.6)}.scroll-cue span{height:45px;width:1px;background:linear-gradient(#fff,transparent);animation:scrollcue 2.5s infinite}@keyframes scrollcue{0%,100%{opacity:.3;transform:translateY(-6px)}50%{opacity:1;transform:translateY(6px)}}.intro-scope{background:#f8f6f3}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:clamp(35px,6vw,100px);align-items:start}.two-col.vcenter{align-items:center}.research-wheel{width:min(100%,480px);aspect-ratio:1;margin:auto;position:relative}.research-wheel svg{position:absolute;inset:0;width:100%;height:100%;fill:none;stroke:#d7c6c3;stroke-dasharray:3 8}.wheel-core{position:absolute;inset:32%;border-radius:50%;background:#5c2540;color:#fff;display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center;font-size:.75rem;letter-spacing:.1em;line-height:1.5}.wheel-core b{font-size:1.2rem}.wheel-node{position:absolute;background:#fff;border:1px solid #e9dad3;border-radius:80px;padding:14px 22px;box-shadow:0 15px 40px rgba(87,34,52,.08);font-size:.83rem;font-weight:650;white-space:nowrap;z-index:2}.wheel-node b{color:#ac6d76;margin-right:5px}.n1{top:4%;left:36%}.n2{top:43%;right:-4%}.n3{bottom:1%;left:37%}.n4{top:43%;left:-8%}.intro-bridge{background:#f1efed}.center{text-align:center;margin-inline:auto}.max-title{max-width:1060px}.duo{display:grid;grid-template-columns:1fr 1fr;gap:22px}.duo-panel{position:relative;min-height:400px;overflow:hidden;border-radius:10px;color:white;text-decoration:none;display:flex;align-items:flex-end;padding:34px}.duo-panel img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:brightness(.55);transition:transform 1s var(--ease)}.duo-panel:hover img{transform:scale(1.1)}.duo-panel:after{content:"";inset:0;position:absolute;background:linear-gradient(0deg,rgba(0,0,0,.75),transparent 75%)}.duo-panel div{z-index:2;position:relative}.duo-panel h3{font-size:2.4rem;margin:8px 0}.duo-panel p{color:#e1dfdc;margin:0}.duo-panel small{letter-spacing:.15em}.duo-panel>span{position:absolute;z-index:2;top:25px;right:30px;font-size:2rem}.duo-panel.p{background:#8e6039}.duo-panel.a{background:#267271}
/* chapter covers */
.chapter-cover{min-height:97svh;display:flex;align-items:center;background:#2b241f;color:#fff;padding:120px 0 85px}.chapter-cover .chapter-photo{position:absolute;inset:0;background-size:cover;background-position:center;filter:saturate(.74);transform:scale(1.07);transition:transform 5s ease-out}.chapter-cover:has(.in-view) .chapter-photo{transform:scale(1)}.chapter-cover:after{content:"";position:absolute;inset:0;z-index:0;background:linear-gradient(90deg,rgba(26,22,20,.94) 0%,rgba(26,22,20,.68) 55%,rgba(26,22,20,.25))}.binder-cover:after{background:linear-gradient(90deg,rgba(10,47,49,.96),rgba(10,47,49,.75) 57%,rgba(10,47,49,.2))}.application-cover:after{background:linear-gradient(90deg,rgba(58,24,51,.96),rgba(58,24,51,.75) 57%,rgba(58,24,51,.25))}.chapter-cover-inner{z-index:2!important}.section-num{font-family:Georgia,serif;font-size:clamp(7rem,16vw,15rem);line-height:.9;color:rgba(255,255,255,.10);position:absolute;right:0;top:-60px}.chapter-cover h2{font-size:clamp(4rem,7.8vw,8.3rem);color:white;max-width:1050px;margin:0 0 35px}.chapter-cover h2 em{color:var(--accent2)}.chapter-cover .lead{color:#efefed;max-width:700px}.chapter-cover .eyebrow{color:var(--accent2)}.chapter-steps{display:flex;align-items:center;gap:15px;flex-wrap:wrap;margin-top:75px;color:#f3e7e1;font-size:.83rem;letter-spacing:.04em}.chapter-steps i{width:28px;height:1px;background:rgba(255,255,255,.6)}
/* imagery and grids */
.flowline{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:54px 0 42px}.flowline>div{padding:20px 19px;border-top:2px solid var(--accent);background:#fff;min-height:165px;position:relative}.flowline>div:after{content:'→';position:absolute;right:-12px;top:16px;font-size:1.4rem;color:var(--accent);z-index:2}.flowline>div:last-child:after{display:none}.flowline strong{color:var(--accent);font-size:.78rem;display:block;margin-bottom:13px}.flowline span{font-weight:720;display:block;font-size:1.12rem}.flowline small{display:block;font-size:.84rem;color:#716e6b;margin-top:8px;line-height:1.4}.photo-pair{display:grid;grid-template-columns:1fr 1fr;gap:20px}.photo-pair figure{margin:0}.photo-pair img{height:275px;object-fit:cover;border-radius:4px}.photo-pair figcaption,.story-img span,.wide-photo figcaption span{font-size:.72rem;letter-spacing:.11em;font-weight:790;color:var(--accent);margin-top:10px}.triple{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.photo-cards article{background:white;border-radius:8px;overflow:hidden;border:1px solid #e9e2da}.photo-cards .photo{height:260px;overflow:hidden}.photo-cards img{height:100%;object-fit:cover;transition:transform .7s}.photo-cards article:hover img{transform:scale(1.07)}.photo-cards .details{padding:24px}.photo-cards .details>span{font-size:.69rem;font-weight:790;letter-spacing:.13em;color:var(--accent)}.photo-cards h3{margin:10px 0}.photo-cards p{font-size:.96rem;margin:0}.measure{font-size:8rem;font-weight:760;letter-spacing:-.09em;line-height:1.1;color:var(--accent)}.measure span{font-size:2.8rem;letter-spacing:-.04em;font-weight:500}.contrast-scene{background:var(--pale)!important}.sieve-demo{padding:34px;background:white;border-radius:8px;min-height:440px;box-shadow:0 18px 55px rgba(0,0,0,.045);position:relative}.sieve-caption{display:flex;justify-content:space-between;font-size:.72rem;letter-spacing:.1em;font-weight:760;color:#777}.particle-field{position:relative;height:275px;margin:16px 0}.particle{position:absolute;border-radius:44% 31% 39% 51%;background:linear-gradient(130deg,#cfb69a,#8b6c59);box-shadow:inset -3px -4px 2px rgba(0,0,0,.13);animation:floatParticle 6s ease-in-out infinite alternate}.particle.coarse{background:linear-gradient(125deg,#af9376,#5f554e)}@keyframes floatParticle{to{transform:translateY(-10px) rotate(12deg)}}.sieve-line{height:2px;background:var(--accent);position:relative;box-shadow:0 0 0 6px color-mix(in srgb,var(--accent),transparent 93%)}.sieve-line span{position:absolute;right:0;bottom:10px;font-weight:740;color:var(--accent)}.sieve-hint{text-align:right;margin-top:18px;color:#999;font-size:.75rem}.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.feature{background:white;border:1px solid #e8e1d9;border-radius:8px;padding:26px 23px;min-height:345px;overflow:hidden}.feature>span{font-size:.8rem;color:var(--accent);font-weight:800}.feature h3{font-size:1.22rem;margin:18px 0 10px}.feature p{font-size:.9rem;line-height:1.5}.feature svg{width:100%;height:80px;margin-top:30px;stroke:var(--accent);stroke-width:3;fill:none;stroke-linecap:round}.feature svg .ghost-path{stroke:#d6c4b4;stroke-dasharray:5 7}.shapes{display:flex;align-items:center;gap:15px;margin-top:33px}.shapes i{width:35px;height:35px;background:#d2a583;border-radius:13% 35% 20% 49%;transform:rotate(15deg)}.shapes i:nth-child(2){border-radius:50%;background:#a77b62}.shapes i:nth-child(3){border-radius:20% 14% 39% 9%;transform:rotate(32deg)}.droplet{font-size:5rem;color:#b8d3d8;line-height:1;text-align:center}.pore-pattern{margin-top:25px;height:75px;background:radial-gradient(circle at 11% 33%,#aa7755 0 11px,transparent 12px),radial-gradient(circle at 33% 65%,#b98760 0 19px,transparent 20px),radial-gradient(circle at 69% 30%,#b48463 0 17px,transparent 18px),radial-gradient(circle at 87% 74%,#a27454 0 16px,transparent 17px)}.water-visual{min-height:410px;border-radius:9px;background:#e8efeb;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:45px}.water-select{max-width:420px;margin-top:34px}.water-select label{font-weight:680;font-size:.91rem;display:block;margin-bottom:13px}.water-select input{width:100%;accent-color:var(--accent)}.barlabels{display:flex;justify-content:space-between;font-size:.77rem;color:#847c75}.grain.big{position:relative;width:215px;height:215px;border-radius:37% 58% 42% 48%;background:linear-gradient(125deg,#bc9170,#896e56);box-shadow:inset -20px -25px 30px #654f40;transform:rotate(-19deg);transition:box-shadow .3s}.grain-abs{position:absolute;inset:22%;border:4px dashed rgba(230,242,249,.73);border-radius:35% 60% 36% 49%}.grain-surface{position:absolute;inset:-8px;border-radius:39% 60% 41% 53%;border:4px solid #67b3c6;opacity:.35;transition:opacity .25s,box-shadow .25s}.legend{display:flex;flex-wrap:wrap;gap:15px;margin-top:35px;font-size:.75rem;color:#5a5c5c}.legend span{display:flex;gap:6px;align-items:center}.legend i{display:inline-block;width:10px;height:10px;border-radius:50%;background:#927454}.legend .lg-abs{background:#d6e8ea}.legend .lg-wet{background:#56aebc}.water-visual p{font-size:.75rem;text-align:center;margin-top:25px}.panel-duo{display:grid;grid-template-columns:1fr 1fr;gap:20px}.panel-duo article{padding:22px;background:white;border:1px solid #e8e2dc;border-radius:8px}.visual-thumb{height:260px;overflow:hidden;border-radius:4px;background:var(--pale);display:grid;place-items:center}.visual-thumb img{width:100%;height:100%;object-fit:contain}.visual-thumb svg{height:90%;max-width:100%;width:auto;color:var(--accent)}.panel-duo h3{margin:23px 0 10px}.panel-duo p{max-width:570px;margin-bottom:8px}.lab-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;margin-top:34px}.lab-item{border:1px solid #e5ded5;background:#fff;border-radius:8px;overflow:hidden}.lab-item img{height:215px;object-fit:contain;padding:10px;background:#f2efeb}.lab-item>div{padding:18px}.lab-item b{display:block;margin-bottom:7px;font-size:.95rem}.lab-item p{font-size:.82rem;line-height:1.45;margin:0}.chart-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:25px;margin-top:32px}.chart-card{background:white;border-radius:8px;padding:22px;box-shadow:0 15px 45px rgba(0,0,0,.05)}.chart-card svg{width:100%;height:auto}.chart-grid{stroke:#dad7d3;stroke-width:1;fill:none}.chart-axis-labels{font-size:12px;fill:#827c76}.chart-axis-labels text:last-child{font-size:11px}.data-curve{stroke:var(--accent);stroke-width:5;fill:none;stroke-linecap:round;stroke-linejoin:round;transition:d 1s ease,stroke .3s}.chart-point{fill:#fff;stroke:var(--accent);stroke-width:3}.limit-line{stroke:#bcb5ad;stroke-width:1;stroke-dasharray:5 5}.limit-label{font-size:11px;fill:#79706b}.chart-foot{font-size:.69rem;letter-spacing:.11em;color:#999;padding:0 0 6px 35px}.chart-tabs{display:flex;gap:6px;flex-wrap:wrap}.chart-tabs button,.mix-tabs button,.choice-buttons button,.cement-tabs button{border:1px solid #dcd8d3;border-radius:30px;background:white;padding:10px 15px;color:#706e6d;font-size:.86rem;transition:.28s}.chart-tabs button.active,.mix-tabs button.active,.choice-buttons button.active,.cement-tabs button.active{background:var(--accent);color:white;border-color:var(--accent)}.chart-explanation{padding:20px 0}.chart-explanation b{font-size:1.2rem}.chart-explanation p{margin-top:10px}.video-scene{background:#eeeae4!important}.video-grid{display:grid;grid-template-columns:1fr 1fr;gap:25px}.video-grid figure{background:#fff;border-radius:8px;overflow:hidden;margin:0}.video-grid video{height:360px;object-fit:contain;background:#202023}.video-grid figcaption{padding:20px 25px;display:flex;flex-direction:column;gap:7px}.video-grid figcaption strong{font-size:1.03rem}.video-grid figcaption span{color:#746f6d;font-size:.89rem}
/* binders */
.mechanisms{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.mechanism{padding:30px 28px;min-height:360px;border:1px solid #dce8e5;background:#fff;border-radius:9px;position:relative}.mechanism-num{color:var(--accent);font-size:.8rem;font-weight:850}.mechanism-icon{font-size:6rem;color:#9bc6be;text-align:center;line-height:1.3}.mechanism h3{margin:5px 0 12px}.mechanism p{font-size:.96rem}.image-story{display:grid;grid-template-columns:1fr 1.05fr;gap:clamp(35px,6vw,90px);align-items:center}.image-story.reverse{grid-template-columns:1.02fr 1fr}.story-img{position:relative;height:min(70vh,680px);min-height:410px;border-radius:6px;overflow:hidden}.story-img img{height:100%;object-fit:cover}.story-img span{position:absolute;bottom:0;left:0;background:var(--accent);color:white;padding:13px 19px;margin:0;font-size:.68rem}.story-copy h2{font-size:clamp(2.5rem,4.2vw,4.2rem)}.story-copy p{font-size:1.01rem}.story-copy p.lead{font-size:1.2rem}.micro-location{border-left:3px solid var(--accent);background:var(--pale);margin:23px 0;padding:16px 19px;font-size:.86rem;line-height:1.55}.micro-location span{color:var(--accent);margin-right:5px}.formula-stack{margin:26px 0;display:flex;flex-direction:column;gap:7px;font-size:.9rem;font-weight:600}.formula-stack>div{padding:12px 16px;border-left:3px solid #8eb6b3;background:#eef3f0}.formula-stack b{color:var(--accent);font-size:1.4rem;margin:0 9px}.lime-cycle{display:grid;grid-template-columns:1fr .45fr 1fr .45fr 1fr .45fr 1fr;align-items:center;gap:7px;margin:65px 0 35px}.lime-step{min-height:190px;border:1px solid #bbd7d0;background:#fff;border-radius:7px;padding:23px 14px;display:flex;flex-direction:column;justify-content:center;gap:12px;text-align:center}.lime-step h3{font-size:1.28rem;margin:0}.lime-step>span{font-size:1.12rem;color:var(--accent);font-weight:710}.step-count{font-size:.63rem;letter-spacing:.08em;color:#79908a;font-weight:760}.lime-arrow{text-align:center;display:flex;flex-direction:column;gap:4px;align-items:center}.lime-arrow b{font-size:.63rem;white-space:nowrap;color:var(--accent)}.lime-arrow small{color:#818080;font-size:.68rem}.lime-arrow i{font-size:2.2rem;font-style:normal;line-height:1;color:var(--accent)}.two-notes{display:grid;grid-template-columns:1fr 1fr;gap:20px}.two-notes p{background:var(--pale);padding:22px 24px;font-size:.94rem;margin:0}.vertical-steps{list-style:none;padding:0;margin:30px 0}.vertical-steps li{display:flex;align-items:center;gap:19px;border-bottom:1px solid #d5e2dc;padding:13px 0}.vertical-steps b{font-size:.73rem;color:var(--accent)}.vertical-steps span{font-size:.92rem}.cement-picker{border:1px solid #c8dcd5;border-radius:9px;background:white;margin:45px 0 0;overflow:hidden}.cement-tabs{padding:25px;display:flex;gap:9px;align-items:center;flex-wrap:wrap;border-bottom:1px solid #e1ebe8}.cement-tabs button{min-width:50px;border-radius:6px;font-weight:700}.cement-separator{width:1px;height:35px;background:#d0d8d5;margin:0 10px}.cement-detail{display:grid;grid-template-columns:170px 1fr;gap:30px;align-items:center;padding:40px;min-height:230px}.cement-mark{display:grid;place-items:center;min-height:155px;background:var(--accent);color:white;font-weight:790;font-size:4.5rem;line-height:1;border-radius:5px;letter-spacing:-.07em}.cement-detail small{color:var(--accent);font-size:.75rem;letter-spacing:.11em;font-weight:760}.cement-detail h3{font-size:2rem;margin:12px 0}.cement-detail p{margin:0}.chemical-line{padding:19px 17px;color:#285b58;border:1px solid #b8d9d2;background:#eef6f1;font-size:.91rem;font-weight:650;margin:24px 0}.chemical-line span{color:var(--accent);font-size:1.5rem;margin:0 10px}.factors{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.factors>div{background:white;border:1px solid #d7e9e5;border-radius:8px;padding:27px;min-height:270px}.factors>div>span{font-size:.75rem;font-weight:750;color:var(--accent)}.factor-symbol{height:100px;display:grid;place-items:center;font-size:3.4rem;font-weight:680;color:#84aaa1}.factors h3{margin:5px 0 10px}.factors p{font-size:.9rem}.study-strip{display:grid;grid-template-columns:1.6fr repeat(3,.85fr);border-top:2px solid var(--accent);border-bottom:1px solid #d6e6df;gap:20px;padding:25px 10px;margin-top:30px}.study-strip>div{display:flex;flex-direction:column;gap:5px}.study-title b{font-size:.83rem;color:var(--accent)}.study-title small{color:#756f6b;font-size:.78rem;line-height:1.4}.study-strip strong{font-size:2.15rem;letter-spacing:-.05em;line-height:1.2;color:var(--accent)}.study-strip div>small{color:#817a78;font-size:.79rem}.matrix-wrapper{overflow:auto;border-radius:8px;border:1px solid #d6dfdc}.matrix{border-collapse:collapse;width:100%;text-align:left;background:#fff;font-size:.94rem}.matrix th,.matrix td{padding:25px 23px;border-bottom:1px solid #e1e8e6;vertical-align:top}.matrix thead th{background:#154547;color:white;font-size:.72rem;letter-spacing:.07em}.matrix tbody th{color:#356360;font-weight:760;white-space:nowrap}.matrix tbody tr:last-child th,.matrix tbody tr:last-child td{border-bottom:0}.binder-labs .lab-item img{height:240px}.test-accordion{border-top:1px solid #d6e5e0}.test-accordion details{border-bottom:1px solid #d6e5e0;background:white}.test-accordion summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:25px;padding:23px 25px;font-weight:690;font-size:1.15rem}.test-accordion summary::-webkit-details-marker{display:none}.test-accordion summary span{font-size:.77rem;color:var(--accent);font-weight:780}.test-accordion summary b{margin-left:auto;font-size:1.4rem;font-weight:400;color:var(--accent);transition:transform .3s}.test-accordion details[open] summary b{transform:rotate(45deg)}.test-accordion details>div{padding:0 28px 27px 72px}.test-accordion details p{max-width:930px;margin:0 0 12px}.test-accordion details small{color:#7c8080}.requirements{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:50px 0 28px}.req-big{background:white;border:1px solid #cbdfd9;padding:27px;border-radius:7px}.req-big span{display:block;color:#65877f;font-size:.74rem;letter-spacing:.11em;font-weight:750}.req-big strong{font-size:clamp(2.2rem,4.1vw,4rem);letter-spacing:-.06em;line-height:1.3;color:var(--accent);display:block;margin-top:17px}.req-big i{font-size:.38em;font-style:normal;letter-spacing:0}.small-lead{font-size:1.12rem!important}
/* applications */
.mix-selector{margin-top:35px}.mix-tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}.mix-card{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;min-height:300px;border-radius:9px;background:#fff;border:1px solid #e5dce1;padding:25px 40px;gap:38px}.mix-ingredients{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}.mix-ingredients div{border:1px solid #dac8ce;border-radius:6px;padding:16px;flex:1 1 130px;min-width:130px;text-align:center}.mix-ingredients div b{display:block;font-size:.82rem;color:var(--accent)}.mix-ingredients div span{font-size:.72rem;color:#8a7c82}.mix-arrow{font-size:3.7rem;color:var(--accent)}.mix-outcome{background:var(--pale);padding:27px;border-radius:8px}.mix-outcome h3{font-size:1.8rem}.mix-outcome p{font-size:.92rem;margin:0}.story-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.wide-photo{margin:0;min-height:600px;position:relative;border-radius:7px;overflow:hidden;background:#28262a}.wide-photo img{height:600px;object-fit:cover;filter:saturate(.8)}.wide-photo:after{content:"";position:absolute;inset:25% 0 0;background:linear-gradient(transparent,#18151ad9)}.wide-photo figcaption{position:absolute;z-index:2;bottom:0;left:0;padding:35px;color:white}.wide-photo figcaption span{color:#efc4b9}.wide-photo figcaption h3{font-size:2rem;margin:15px 0}.wide-photo figcaption p{color:#e8e4e3;margin:0;max-width:470px}.layers{display:flex;flex-direction:column;gap:5px;max-width:450px;margin:28px 0}.layers div{background:#b3a6a3;padding:18px 20px;font-weight:750;font-size:.8rem;letter-spacing:.07em;color:white;display:flex;align-items:center;justify-content:space-between;gap:10px}.layers div:nth-child(1){background:#995c70;max-width:90%}.layers div:nth-child(2){background:#b68c93;max-width:96%}.layers div:nth-child(3){background:#d6c6bb;color:#5d4e4f}.layers div span{font-size:.6rem;font-weight:500}.portrait-img{margin:0}.portrait-img img{height:560px;width:100%;object-fit:cover;object-position:center 35%;border-radius:6px}.portrait-img figcaption{color:#817777;font-size:.78rem;margin-top:10px}.heritage-trio{margin:27px 0;display:flex;flex-direction:column;gap:7px}.heritage-trio div{display:flex;align-items:center;gap:15px;font-weight:650;font-size:.94rem;border-bottom:1px solid #e2d7dd;padding:7px 0}.heritage-trio span{font-size:1.5rem;color:var(--accent);width:25px}.pavement{display:flex;flex-direction:column;gap:7px;transform:perspective(900px) rotateX(24deg) rotateZ(-8deg);filter:drop-shadow(0 30px 30px rgba(0,0,0,.12));padding:55px 10px}.pavement-layer{height:60px;border-radius:2px;background:var(--layer);position:relative;box-shadow:inset 0 -7px 0 rgba(0,0,0,.13)}.pavement-layer.pebble{background-image:radial-gradient(#706a67 1.5px,transparent 3px);background-size:16px 13px}.pavement-layer.land{background-image:linear-gradient(transparent,rgba(0,0,0,.08))}.pavement-labels{display:flex;flex-direction:column;gap:15px;margin-top:38px}.pavement-labels span{display:flex;align-items:center;gap:13px;font-size:.85rem;font-weight:680;letter-spacing:.04em}.pavement-labels i{height:15px;width:32px}.regional{display:grid;grid-template-columns:1.1fr .9fr;gap:35px;margin-top:45px}.region-list>div{padding:15px 10px;border-bottom:1px solid #e2d8dc;display:grid;grid-template-columns:145px 1fr;gap:8px 20px}.region-list b{color:var(--accent);font-size:.78rem;letter-spacing:.09em}.region-list span{font-size:.98rem;font-weight:660}.region-list small{grid-column:2;font-size:.75rem;color:#8f898a}.region-abstract{position:relative;background:linear-gradient(120deg,#e9dbdf,#eddacb);border-radius:8px;min-height:540px;overflow:hidden;padding:35px}.region-abstract>span{position:absolute;bottom:65px;font-size:.75rem;letter-spacing:.15em;font-weight:760;color:#795c67}.region-abstract p{position:absolute;bottom:25px;color:#8b7980;font-size:.86rem}.r-line{position:absolute;left:45%;top:10%;width:30%;height:75%;border:2px solid #b3929e;border-radius:38% 56% 45% 68%;transform:rotate(18deg)}.r-line.r2{left:29%;top:20%;width:58%;height:51%;transform:rotate(-31deg);border-style:dashed}.r-line.r3{left:17%;top:5%;width:30%;height:68%;transform:rotate(33deg)}.r-pin{position:absolute;background:var(--accent);color:#fff;font-size:.7rem;font-weight:780;letter-spacing:.07em;padding:8px 13px;border-radius:20px;box-shadow:0 3px 0 #ffffff80}.r-pin.p1{top:34%;left:30%}.r-pin.p2{top:55%;left:57%}.impact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.impact-grid>div{padding:30px;border:1px solid #e6dce1;background:#fff;border-radius:8px;min-height:310px}.impact-icon{font-size:5rem;color:#b88ca0;height:125px;line-height:1.4}.impact-grid h3{margin-bottom:10px}.impact-grid p{font-size:.94rem}.storing{background:var(--pale);margin-top:30px;padding:25px;display:flex;flex-wrap:wrap;gap:10px;align-items:center}.storing strong{font-size:.73rem;color:var(--accent);margin-right:10px;letter-spacing:.06em}.storing span{border-radius:25px;border:1px solid #ceb3be;padding:9px 13px;background:white;font-size:.81rem}.decision-scene{background:#f5f0f2!important}.decision-scene h2{font-size:clamp(2.2rem,4.7vw,4.3rem);white-space:nowrap}.decision-scene h2 span{color:#d2b4c0;font-weight:400}.decision-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:13px;margin-top:60px}.decision-grid>div{border-top:3px solid var(--accent);background:#fff;padding:28px 23px;min-height:240px}.decision-grid b{color:var(--accent);font-size:.77rem}.decision-grid h3{margin:25px 0 14px}.decision-grid p{font-size:.89rem}.choice-app{display:grid;grid-template-columns:.37fr .63fr;gap:25px;margin-top:40px}.choice-buttons{display:flex;flex-direction:column;align-items:stretch;gap:8px}.choice-buttons button{text-align:left;border-radius:6px;padding:18px 23px}.choice-output{padding:50px;min-height:360px;background:white;border:1px solid #eadce2;border-radius:8px;display:flex;flex-direction:column;justify-content:center}.choice-output>span{font-size:.73rem;letter-spacing:.15em;font-weight:730;color:var(--accent)}.choice-output h3{font-size:clamp(1.6rem,3.3vw,3rem);margin:23px 0}.choice-output p{font-size:1.04rem}.choice-output>div{border-top:1px solid #e9dee4;padding-top:17px;margin-top:18px;font-size:.86rem}.choice-output>div b{color:var(--accent);margin-right:8px}.close-scene{background:radial-gradient(ellipse at 100% 30%,#98506e,#3b1e34 60%,#22182b);color:white;min-height:100svh;display:flex;align-items:center}.close-scene h2{font-size:clamp(3rem,6.7vw,6.8rem);max-width:1050px;margin-bottom:60px;color:white}.close-scene h2 em{color:#f1c4a8}.takeaways{display:grid;grid-template-columns:1fr 1fr;gap:0 45px}.takeaways>div{border-top:1px solid rgba(255,255,255,.25);padding:25px 0;display:flex;gap:18px}.takeaways span{color:#dfb5c5;font-size:.83rem;font-weight:780}.takeaways p{color:#f4e8ed;margin:0;font-size:1rem}.closing-mark{font-size:.75rem;letter-spacing:.2em;color:#d7bbc8;margin-top:55px}.closing-mark span{color:#dfad9f;padding:0 10px}
/* bibliography */
.bibliography-section{padding:130px 0 100px;background:#f4f1f3}.bibliography-section h2{margin-bottom:20px}.references{display:grid;grid-template-columns:1fr 1fr;gap:16px 40px;margin-top:55px}.reference{border-top:1px solid #d7cfd5;padding:20px 5px 9px;word-break:normal;overflow-wrap:anywhere}.reference .ref-tag{display:inline-block;color:#a47590;font-size:.67rem;letter-spacing:.13em;font-weight:820;margin-bottom:9px}.reference p{font-size:.86rem;line-height:1.6;color:#40393d;margin:0;text-indent:-13px;padding-left:13px}.reference a{display:block;color:#85506d;font-size:.77rem;margin-top:8px;text-decoration:none;overflow-wrap:anywhere}.reference a:hover{text-decoration:underline}.bibliography-foot{border-top:1px solid #d9ced4;color:#8b7b85;text-align:center;font-size:.75rem;margin-top:80px;padding-top:24px}
.full-report{margin-top:80px;padding:30px 34px;background:#fff;border:1px solid #d7cfd5;display:flex;gap:25px;align-items:center;justify-content:space-between;border-radius:7px}.full-report strong{font-size:.75rem;letter-spacing:.12em;color:#916379}.full-report p{margin:7px 0 0;font-size:.9rem}.full-report a{white-space:nowrap;background:#76536b;text-decoration:none;color:#fff;padding:12px 19px;border-radius:5px;font-size:.85rem}.full-report a:hover{background:#5b3d50}