/* Local visual refresh for the SIMUTEC landing and project pages. */
:root{--paper:#f6f7f2;--ink:#163d39;--text:#465c56;--line:#d9e0d7;--accent:#dbea9d;--white:#fff;--teal:#205a50}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--text);font:16px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
h1,h2,h3,p,figure{margin:0}
h1,h2,h3{color:var(--ink);line-height:1.13;letter-spacing:-.035em}
h1{font-size:clamp(38px,4.5vw,66px);font-weight:500}
h2{font-size:clamp(28px,3vw,40px);font-weight:500}
h3{font-size:27px;font-weight:500}
a,summary{touch-action:manipulation}
a:focus-visible,summary:focus-visible{outline:3px solid #9a5c12;outline-offset:5px}
a:hover{color:var(--teal)}
.site-header{max-width:1440px;margin:auto;padding:27px 5%;display:flex;align-items:center;justify-content:space-between;gap:30px;border-bottom:1px solid var(--line)}
.brand{font-size:26px;line-height:1.2;font-weight:750;letter-spacing:.06em;color:var(--ink)}
.brand span{display:block;font-size:10px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;margin-top:7px}
.site-header nav{display:flex;gap:25px;align-items:center;font-size:13px;font-weight:600}
.site-header nav>a{padding:10px 0}
.site-header nav>a:hover{box-shadow:0 1px var(--teal)}
.nav-models{position:relative}
.nav-models summary{cursor:pointer;padding:10px 0}
.nav-models>div{position:absolute;z-index:5;top:100%;left:-20px;width:200px;padding:12px;background:white;border:1px solid var(--line);box-shadow:0 12px 30px #163d3915}
.nav-models a{display:block;padding:8px}
.nav-models a:hover{background:var(--paper)}
.skip-link{position:absolute;top:-100px;left:12px;background:white;padding:12px;z-index:10}
.skip-link:focus{top:12px}
.landing-hero{max-width:1440px;margin:auto;padding:76px 5% 60px;display:grid;grid-template-columns:1.12fr 1fr;gap:5%;align-items:center}
.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:11px;font-weight:650;color:var(--teal);margin-bottom:26px}
.hero-copy h1 em{font-style:normal;color:#537563}
.lead{font-size:18px;line-height:1.7;max-width:450px;margin-top:26px}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:24px;margin-top:32px}
.button{display:inline-flex;justify-content:center;align-items:center;gap:25px;padding:13px 22px;border:1px solid var(--teal);border-radius:4px;font-size:14px;font-weight:600;line-height:1.5;transition:background .2s}
.button.primary{background:var(--ink);color:white}
.button.primary:hover{background:#2b6559}
.text-link{font-size:13px;font-weight:600;border-bottom:1px solid #8a9d8e;padding:6px 0}
.hero-note{font-size:12px;max-width:350px;margin-top:35px;color:#66776b}
.hero-visual{background:#242722;border-radius:8px;overflow:hidden;min-width:0;box-shadow:0 22px 45px #163d3912}
.hero-visual img{width:100%;height:440px;object-fit:cover;object-position:55% center}
.hero-visual figcaption{display:flex;justify-content:space-between;gap:16px;padding:17px 22px;color:#e5ecd9;font-size:10px;letter-spacing:.04em;border-top:1px solid #ffffff26}
.hero-visual figcaption span:last-child{color:#b7c0b0}
.partners{max-width:1296px;margin:0 auto;padding:30px 5% 42px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.partners h2{text-align:center;text-transform:uppercase;letter-spacing:.14em;font-size:10px;font-weight:600;color:#637267}
.partner-logos{display:grid;grid-template-columns:repeat(5,1fr);align-items:center;justify-items:center;gap:35px;margin-top:28px}
.partner-logos img{width:auto;max-width:115px;height:55px;object-fit:contain}
.models-section{max-width:1440px;margin:auto;padding:70px 5% 85px}
.section-heading{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:32px}
.section-heading .eyebrow{margin-bottom:14px}
.section-heading h2{font-size:34px}
.section-heading>a{flex-shrink:0}
.model-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.model-card{display:flex;flex-direction:column;background:#fff;padding:30px;border:1px solid var(--line);border-radius:6px;transition:background .2s,border-color .2s}
.model-card:hover{background:#edf2e4;border-color:#71917d}
.model-number{font-size:10px;letter-spacing:.13em;color:#637866;margin-bottom:25px}
.model-card h3{margin-bottom:14px}
.model-card p{font-size:14px;line-height:1.8;margin-bottom:25px}
.card-link{font-size:12px;font-weight:600;margin-top:auto;color:var(--ink)}
.site-footer{border-top:1px solid var(--line);padding:35px 5%;display:flex;align-items:center;gap:30px;font-size:12px}
.site-footer .brand{font-size:20px}
.site-footer p{flex:1}
.language-link{display:block;text-align:right;padding:0 5% 24px;font-size:12px}
.project-main{max-width:1120px;margin:auto;padding:50px 35px 80px}
.hero-intro{background:var(--ink);padding:60px;border-radius:8px;margin-bottom:45px}
.hero-intro h1{color:#fff;max-width:700px;font-size:clamp(36px,4.5vw,58px)}
.hero-intro .eyebrow{color:var(--accent)}
.hero-intro>p:not(.eyebrow){color:#d4e0d7;margin-top:22px;font-size:18px}
.hero-intro .button{color:white;border-color:#8fa79a}
.hero-intro .primary{background:var(--accent);color:var(--ink);border-color:var(--accent)}
.hero-intro .primary:hover{background:#eaf4c6}
.intro-content{max-width:800px;margin:0 auto;background:white;border:1px solid var(--line);border-radius:8px;padding:48px}
.intro-content h2{font-size:30px;margin-bottom:26px}
.intro-content h3{font-size:25px;margin:38px 0 18px}
.intro-content p{margin-bottom:20px}
.intro-content strong{color:var(--teal);font-weight:650}
.intro-content ul{padding-left:22px;margin-bottom:24px}
.intro-content li{padding:3px 0}
.intro-content .image{display:block;margin-top:32px}
.context-section{text-align:center;max-width:650px;margin:65px auto 30px}
.context-section p{margin-top:18px}
.project-main>.row:has(.context-card){display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.context-card{background:white;border:1px solid var(--line);border-radius:8px;padding:30px;height:100%}
.context-card h3{font-size:24px;margin-bottom:16px}
.context-card p{font-size:15px;margin-bottom:24px}
.context-image img{width:100%;height:260px;object-fit:contain}

@media(min-width:1600px){.partners{max-width:1296px}
.site-footer{padding-left:max(5%,calc((100vw - 1296px)/2));padding-right:max(5%,calc((100vw - 1296px)/2))}
}

@media(max-width:1000px){.site-header{align-items:flex-start;flex-direction:column;gap:16px}
.site-header nav{gap:22px;flex-wrap:wrap}
.landing-hero{gap:30px;padding-top:45px}
.hero-visual img{height:410px}
.hero-visual figcaption{flex-direction:column;gap:3px}
.hero-actions{gap:16px}
.model-card{padding:22px}
.partner-logos{gap:20px}
.partner-logos img{max-width:90px}
.section-heading{align-items:start;flex-direction:column;gap:16px}
}

@media(max-width:680px){.site-header{padding:22px 6%}
.site-header nav{gap:4px 20px;font-size:12px}
.landing-hero{grid-template-columns:1fr;padding:40px 6%;gap:32px}
.eyebrow{font-size:10px;letter-spacing:.1em;margin-bottom:22px}
.lead{font-size:17px}
.hero-note{margin-top:24px}
.hero-visual img{height:290px}
.hero-visual figcaption{flex-direction:row;font-size:9px;padding:14px}
.partner-logos{grid-template-columns:repeat(3,1fr);gap:26px}
.partners{margin:0 6%;padding:28px 0}
.partner-logos img{max-width:80px;height:45px}
.models-section{padding:42px 6% 48px}
.section-heading h2{font-size:30px}
.model-grid{grid-template-columns:1fr;gap:15px}
.model-card{padding:25px}
.model-number{margin-bottom:16px}
.site-footer{flex-wrap:wrap;padding:28px 6%;gap:16px 24px}
.site-footer p{flex-basis:100%;order:3}
.project-main{padding:28px 6% 45px}
.hero-intro{padding:30px 24px}
.hero-intro .hero-actions{align-items:stretch;flex-direction:column}
.intro-content{padding:25px 22px}
.intro-content h2{font-size:26px}
.project-main>.row:has(.context-card){grid-template-columns:1fr}
.context-card{padding:24px}
.context-image img{height:auto;max-height:300px}
}

@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}
*{transition:none!important}
}

/* Policy questions introduce the models through practical applications. */
.policy-section {
  max-width: 1440px;
  margin: auto;
  padding: 70px 5% 0;
}
.policy-heading { max-width: 760px; }
.policy-heading .eyebrow { margin-bottom: 16px; }
.policy-heading > p:last-child { margin-top: 22px; max-width: 700px; }
.policy-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
  margin-top: 38px;
}
.policy-question { border-top: 2px solid #9aaf8c; padding-top: 22px; }
.policy-question .eyebrow { margin-bottom: 16px; }
.policy-question h3 { font-size: 25px; line-height: 1.25; margin-bottom: 16px; }
.policy-question > p:last-child { font-size: 15px; }
.scenario-note {
  margin-top: 30px;
  padding: 18px 22px;
  background: #eaf0e3;
  border-left: 3px solid #71917d;
  font-size: 14px;
}
.explore-paths {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 30px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.explore-paths > a { padding: 24px 20px; }
.explore-paths > a + a { border-left: 1px solid var(--line); }
.explore-paths > a:hover { background: #eaf0e3; }
.explore-paths > a > span { display: block; font-size: 15px; font-weight: 650; color: var(--ink); }
.explore-paths small { display: block; margin-top: 7px; font-size: 12px; }
@media (max-width: 1000px) {
  .policy-grid { gap: 22px; }
  .policy-question h3 { font-size: 22px; }
}
@media (max-width: 680px) {
  .policy-section { padding: 42px 6% 0; }
  .policy-grid, .explore-paths { grid-template-columns: 1fr; }
  .policy-grid { gap: 26px; margin-top: 28px; }
  .explore-paths > a { padding: 20px 12px; }
  .explore-paths > a + a { border-left: 0; border-top: 1px solid var(--line); }
}

/* Blend the original logos into the page while retaining clickable areas. */
.partner-logos > a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-width: 0;
  min-height: 88px;
  padding: 12px 4px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 6px;
}
.partner-logos > a:hover { border-color: #71917d; }
.partner-logos img { max-width: min(115px, 100%); height: 60px; mix-blend-mode: multiply; }
@media (max-width: 1000px) {
  .partner-logos { gap: 16px; }
  .partner-logos img { max-width: min(100px, 100%); }
}
@media (max-width: 680px) {
  .partner-logos { gap: 12px; }
  .partner-logos > a { min-height: 80px; }
  .partner-logos img { max-width: min(90px, 100%); height: 54px; }
}

/* Scale the headline to its column so the opening phrase stays on one line. */
.hero-copy { container-type: inline-size; min-width: 0; }
.hero-copy h1 { font-size: clamp(20px, 7.2cqi, 66px); }
.hero-copy .headline-line { display: block; white-space: nowrap; }

.models-intro { max-width: 700px; margin-top: 20px; }

.policy-study-link { display: inline-block; margin-top: 20px; font-size: 13px; font-weight: 600; text-decoration: underline; text-underline-offset: 4px; }

/* Landing page research partners */
.landing .partner-logos{grid-template-columns:repeat(4,1fr)}
@media(max-width:600px){.landing .partner-logos{grid-template-columns:repeat(2,1fr)}}

/* Consistent, self-contained context figures. */
.context-visuals{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-top:40px}
.context-visuals figure{margin:0;overflow:hidden;border:1px solid var(--line);border-radius:8px;background:#faf9f5}
.context-visuals img{display:block;width:100%;height:auto}
@media(max-width:850px){.context-visuals{grid-template-columns:1fr}}

.consequences-section,.outlook-section{margin-top:48px}
.consequences-map{margin:36px auto 0;max-width:620px;padding-top:28px;border-top:1px solid var(--line)}
.consequences-map img{display:block;width:100%;height:auto}