/* Decorative backdrops are separate from the unmodified scientific figures. */
body{background:#030b13}
main>section{position:relative;isolation:isolate}
.section-backdrop{position:absolute;inset:0;z-index:-1;overflow:hidden;pointer-events:none;background:var(--section-base,#071820)}
.section-backdrop:before{content:'';position:absolute;inset:0;background-image:var(--section-image);background-position:var(--section-position,center);background-size:cover;opacity:var(--image-opacity,.2);filter:saturate(.65);transform:scale(1.03)}
.section-backdrop:after{content:'';position:absolute;inset:0;background:var(--section-shade,linear-gradient(90deg,#031018ad,#031018eb));box-shadow:inset 0 90px 100px -60px #030b13,inset 0 -90px 100px -60px #030b13}
.hero.wrap,#simulation.wrap,#results.wrap,#sources.wrap,#researcher.wrap{width:100%;margin-inline:0;padding-inline:max(6%,calc((100% - 1380px)/2))}
.hero{--section-base:#061323;--section-image:url('assets/chabahar.png');--section-position:center 44%;--image-opacity:.62;--section-shade:linear-gradient(90deg,#040e2540 0%,#061c33a6 45%,#030d1bf5 100%);min-height:calc(100svh - 88px);padding-top:105px;padding-bottom:135px}
.hero:before{inset:0;background:radial-gradient(ellipse at 18% 42%,#2f92cc33,transparent 62%);z-index:0}
.hero:after{z-index:0;left:4%;bottom:22px;color:#cff3ff09;letter-spacing:-.06em;font-size:15vw}
.hero-copy,.hero-visual,.scroll-cue{z-index:1}
.hero .section-backdrop:before{background-size:cover;filter:saturate(.6);opacity:.52}
.hero .section-backdrop:after{background:linear-gradient(90deg,#06162d44,#0413209c 47%,#030c18f5 100%),linear-gradient(0deg,#030b13 0%,transparent 30%,transparent 75%,#030b13a6 100%)}
.hero-visual{background:#050b2b;box-shadow:18px 28px 0 -1px #0a1e2a,18px 28px 0 0 #86bcd23d,0 40px 90px #0009,0 0 95px #60acdb25}
.scroll-cue{right:6%;bottom:40px}
.research-strip{background:linear-gradient(110deg,#102940,#08202a 55%,#0d3036);box-shadow:0 18px 60px #0005;border-color:#9de0ec35;margin-top:-1px;z-index:3;position:relative}
#simulation{--section-base:#081a2b;--section-image:url('assets/west.png');--image-opacity:.3;--section-position:left center;--section-shade:linear-gradient(115deg,#092a4680,#051120d9 55%,#04101cef);padding-top:125px;padding-bottom:110px}
#simulation .section-backdrop:before{background-size:110% auto;background-repeat:no-repeat;filter:saturate(.4)}
#simulation .section-backdrop:after{background:linear-gradient(90deg,#04142bab,#071b30c9 55%,#030e1be8),radial-gradient(ellipse at 5% 25%,#1e80b955,transparent 60%)}
.section-heading{position:relative}.section-heading h2{text-shadow:0 4px 30px #0006}
.scenario-controls{background:#061423eb;border-color:#80bdd740;backdrop-filter:blur(12px)}
.scenario-controls button.active{background:#204250c9}
.simulation-layout{background:linear-gradient(125deg,#092234e8,#071521ed);border-color:#80bdd740;box-shadow:0 35px 95px #0006;backdrop-filter:blur(18px)}
.story{padding:25px 20px;background:linear-gradient(90deg,#13334b70,#092035c9);border:1px solid #9ac7dd20}
.story article:before{box-shadow:0 0 0 5px #0a2233}
#method{--section-base:#062c32;--section-image:url('assets/bathymetry.png');--image-opacity:.44;--section-position:center;--section-shade:linear-gradient(90deg,#05212cc4,#073233bb 45%,#031e25f5);background:transparent;border-color:#9de2d928}
#method .section-backdrop:before{filter:saturate(.25);background-size:cover}
#method .section-backdrop:after{background:linear-gradient(90deg,#092738d1,#073332c4 50%,#041f28ef),radial-gradient(ellipse at 60% 40%,#21bb9b40,transparent 65%)}
.method-grid{padding-block:125px;gap:75px}.method-grid>div{background:#031b229c;padding:30px;border-right:2px solid #8ce1d46b;backdrop-filter:blur(8px)}
.map-figure{background:#09242ddd;border:1px solid #97e3d73b;box-shadow:0 30px 80px #0007;transform:rotate(-1deg)}
#results{--section-base:#101c30;--section-image:url('assets/chart.png');--image-opacity:.22;--section-position:center;--section-shade:linear-gradient(115deg,#101f39c9,#061525e0 70%);padding-block:125px}
#results .section-backdrop:before{filter:saturate(.3);background-size:auto 110%;background-position:40% 50%}
#results .section-backdrop:after{background:linear-gradient(90deg,#101a33cc,#071727e3),radial-gradient(ellipse at 90% 35%,#265b8166,transparent 65%)}
.result-numbers{background:linear-gradient(125deg,#122e4680,#091a2ed9);padding:10px 28px 22px;border-right:2px solid #9aead970;box-shadow:0 25px 65px #0003}
.result-numbers article:last-child{border-bottom:0}.chart-figure{background:#0a1b2de8;border-color:#adccef38;box-shadow:0 25px 80px #0007}
.result-context{background:#071525b5;padding:18px 22px;border-color:#92d7e1}
#sources{--section-base:#14242d;--section-image:url('assets/tectonics.png');--image-opacity:.35;--section-position:center top;--section-shade:linear-gradient(90deg,#101c29dd,#0c2027ef);border-top:1px solid #c4dce627}
#sources .section-backdrop:before{background-size:auto 100%;background-position:left center;background-repeat:no-repeat;filter:saturate(.2)}
#sources .section-backdrop:after{background:linear-gradient(90deg,#122732d6,#0a1c24ed 65%,#06141ff2),radial-gradient(ellipse at 8% 35%,#b38f5240,transparent 65%)}
.publication{margin-top:0;padding:35px 30px;background:linear-gradient(110deg,#1b303951,#081923b5);border-right:2px solid #a5d7d15c;border-bottom:1px solid #aec9d51c;gap:45px}
.related-publication{margin-top:25px;border-top:0}.publication h2{font-size:25px}.publication-type{color:#abe6d8}.document-list{background:#07151dcc;padding:0 20px;border:1px solid #abcbd725}.differences{background:#081921b8;padding:18px 22px}.differences p{margin-bottom:0}
#researcher{--section-base:#09232e;--section-image:url('assets/chabahar.png');--image-opacity:.6;--section-position:center 55%;--section-shade:linear-gradient(90deg,#071934bd,#063338d9 45%,#041923f5);min-height:340px;padding-block:80px;background:transparent;border-inline:0}
#researcher .section-backdrop:before{filter:saturate(.45);background-size:cover}
#researcher .section-backdrop:after{background:linear-gradient(90deg,#092340a1,#0a3b3acf 50%,#041b28ee)}
.researcher-symbol{background:#0a2c35ba;box-shadow:0 0 60px #94e2d51a;border-color:#a9edda66}.researcher-english{color:#c1f4e5;text-shadow:0 4px 30px #0009}footer.wrap{width:100%;padding-inline:6%;background:linear-gradient(100deg,#08192a,#071d23);border-top:1px solid #89b2be20}
@media(min-width:1100px){.hero-visual{width:100%;margin-right:0}}
@media(max-width:1000px){.hero{gap:30px}.method-grid{gap:30px}.method-grid>div{padding:20px}.publication{gap:25px;padding:25px}.publication h2{font-size:23px}}
@media(max-width:650px){.hero.wrap,#simulation.wrap,#results.wrap,#sources.wrap,#researcher.wrap{padding-inline:5.5%}.hero{padding-top:45px;padding-bottom:90px}.hero .section-backdrop:before{background-position:40% bottom;background-size:auto 80%;background-repeat:no-repeat}.hero .section-backdrop:after{background:linear-gradient(180deg,#030d1bf2,#06172ccb 50%,#031220b0 80%,#030b13)}.hero-visual{margin:0}.scroll-cue{right:5.5%;bottom:25px}.hero:after{bottom:15px;font-size:23vw}.research-strip{padding:20px 12px}#simulation,#results,#sources{padding-block:70px}#simulation .section-backdrop:before{background-size:auto 90%;background-position:center}.story{padding:23px 12px}.method-grid{padding-block:70px}.method-grid>div{padding:22px 17px}.map-figure{transform:none}.result-numbers{padding:5px 16px 20px}.result-context{padding:15px 17px}.publication{padding:23px 18px}.publication h2{font-size:21px}.document-list{padding-inline:10px}#researcher{padding-block:50px;min-height:240px}.section-backdrop:before{transform:none}#sources .section-backdrop:before{background-size:auto 80%}.differences{padding:16px}.researcher-symbol{flex-shrink:0}}

.study-problem{margin-block:75px;padding:45px;display:grid;grid-template-columns:1fr 1fr;gap:55px;position:relative;isolation:isolate;border:1px solid #85cabe45;border-radius:12px;background:linear-gradient(120deg,#113844e8,#081d2cf5),url('assets/tectonics.png') center/cover;box-shadow:0 25px 65px #0005,inset 0 1px 0 #cef9ee15}.study-problem:before{content:'';position:absolute;top:35px;right:0;width:3px;height:85px;background:#94ebd3;box-shadow:0 0 25px #94ebd355}.study-problem h2{font-size:clamp(25px,2.5vw,37px);line-height:1.8;margin:18px 0 22px;color:#effbf6}.study-problem p{font-size:16px;line-height:2.25;color:#bcd0d8;margin:12px 0}.problem-application{padding-right:30px;border-right:1px solid #8bb9c333}.problem-application h3{font-size:19px;color:#a8eed9;font-weight:500;margin:0 0 8px}.problem-application h3:not(:first-child){margin-top:25px}.problem-source{display:block;color:#8eacb8;font-size:12px;line-height:1.9;margin-top:22px}@media(max-width:800px){.study-problem{grid-template-columns:1fr;gap:25px;padding:30px;margin-block:50px}.problem-application{padding:25px 0 0;border-right:0;border-top:1px solid #8bb9c333}.study-problem h2 br{display:none}}@media(max-width:480px){.study-problem{padding:25px 20px}.study-problem p{font-size:15px}}

/* Problem-statement navigation and complementary heading accents. */
.study-problem .eyebrow{color:#e9c78f}.study-problem h2{color:#f2d4a2}.problem-application h3{color:#9cebd7}.problem-application h3:not(:first-child){color:#a9d4f2}
@media(max-width:650px){.nav{height:auto;min-height:76px;flex-wrap:wrap;padding-top:10px;padding-bottom:10px;gap:8px}.nav nav{width:100%;gap:22px;overflow-x:auto;white-space:nowrap;padding-bottom:8px;scrollbar-width:thin}.nav nav a:nth-child(2){display:inline}.nav nav a{flex-shrink:0}.nav nav a:after{bottom:-4px}html{scroll-padding-top:145px}}