:root{--black:#0a0b0b;--red:#a83132;--red2:#7f2426;--green:#1f5d36;--green2:#123a22;--paper:#f6f3ef;--gray:#656565;--line:#ddd6cf;--white:#fff}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Arial,sans-serif;background:var(--paper);color:#171717;line-height:1.55}.container{width:min(1180px,92%);margin:auto}.site-header{position:sticky;top:0;z-index:20;background:rgba(10,11,11,.96);backdrop-filter:blur(8px);border-bottom:1px solid #333}.nav{display:flex;align-items:center;gap:28px;padding:12px 0}.brand{display:flex;align-items:center;gap:12px;color:white;text-decoration:none;font-weight:800}.brand img{width:110px;height:52px;object-fit:contain;background:#000}.brand span{font-size:.92rem}.nav nav{margin-left:auto;display:flex;gap:18px;align-items:center}.nav nav a{color:#eee;text-decoration:none;font-size:.92rem}.btn{display:inline-block;border:0;border-radius:7px;padding:12px 18px;font-weight:800;text-decoration:none;cursor:pointer}.btn-red{background:var(--red);color:white}.btn-green{background:var(--green);color:white}.btn-outline{border:1px solid #bbb;color:#222;background:transparent}.hero{background:linear-gradient(120deg,rgba(0,0,0,.93),rgba(0,0,0,.78)),radial-gradient(circle at 80% 20%,#285b36 0,#111 38%,#050505 75%);color:white;padding:95px 0 80px;position:relative;overflow:hidden}.hero:after{content:"";position:absolute;left:0;right:0;bottom:35px;height:2px;background:linear-gradient(90deg,transparent,var(--red),var(--green),transparent)}.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:45px;align-items:center}.eyebrow{text-transform:uppercase;letter-spacing:.16em;color:#d8d1cb;font-weight:800}.hero h1{font-size:clamp(2.8rem,6vw,5.8rem);line-height:.94;margin:18px 0;max-width:880px}.hero h1 span{color:#d94b4b}.hero p{font-size:1.18rem;color:#dedede;max-width:760px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.hero-card{border:1px solid #444;background:#0e0f0f;padding:24px;border-radius:14px}.hero-card img{width:100%;max-height:220px;object-fit:contain}.hero-card .quake{font-size:2rem;color:#62a373;letter-spacing:.25em;text-align:center}.section{padding:75px 0}.section.dark{background:#0e0f0f;color:#eee}.section.red-tint{background:#f2e5e3}.section.green-tint{background:#e8efe9}.section-head{max-width:800px;margin-bottom:34px}.section-head .kicker{color:var(--red);font-weight:800;text-transform:uppercase;letter-spacing:.12em}.section.dark .kicker{color:#7dc08d}.section h2{font-size:clamp(2rem,4vw,3.5rem);margin:5px 0 12px;line-height:1.05}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:38px;align-items:center}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:25px}.stat{padding:22px;background:white;border-left:5px solid var(--green);box-shadow:0 8px 25px #0000000b}.stat strong{display:block;font-size:2.2rem;color:var(--red)}.stat span{font-size:.9rem;color:#444}.feature-card{background:white;padding:30px;border-radius:12px;box-shadow:0 12px 35px #0000000f}.feature-card.dark-card{background:#161818;color:#eee;border:1px solid #323737}.team-logo-placeholder{min-height:260px;border:2px dashed #667;display:flex;align-items:center;justify-content:center;text-align:center;border-radius:12px;padding:30px;color:#bbb;background:#111}.roles{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0}.role-chip{background:#161616;color:white;border-left:4px solid var(--red);padding:9px 13px;border-radius:4px}.recruit-box{display:grid;grid-template-columns:1fr 230px;gap:28px;align-items:center}.qr-box{background:white;padding:16px;border-radius:12px;text-align:center;color:#111}.qr-box img{width:100%;display:block}.calendar-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.month-card{background:white;border:1px solid var(--line);border-radius:10px;padding:16px;min-height:150px}.month-card h3{margin:0 0 10px;color:var(--red2)}.mini-event{display:flex;gap:9px;border-top:1px solid #eee;padding:8px 0}.mini-event b{color:var(--green)}.event-list{display:grid;gap:13px}.event{display:grid;grid-template-columns:160px 1fr;background:white;border:1px solid #ddd;border-radius:10px;padding:18px}.event-date{font-weight:800;color:var(--red)}.event h3{margin:3px 0}.event p{margin:0;color:#555}.event-type{font-size:.75rem;background:#e6eee8;color:#245235;padding:4px 8px;border-radius:99px}.sponsor-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.sponsor-card{display:flex;align-items:center;justify-content:center;min-height:90px;text-align:center;background:white;border:1px solid #e1ddd9;padding:18px;font-weight:750}.support-panel{background:linear-gradient(135deg,#1c4d2d,#0d2f1a);color:white;padding:35px;border-radius:16px}.social-row{display:flex;gap:10px;flex-wrap:wrap}.social-btn{width:46px;height:46px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:#1a1a1a;color:white;text-decoration:none}.social-btn.disabled{opacity:.35;pointer-events:none}.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.gallery figure{margin:0;background:white;padding:9px}.gallery img{width:100%;height:240px;object-fit:cover}.gallery figcaption{padding:8px;font-size:.9rem}.muted{color:#888}.footer{background:#090a0a;color:#ccc;padding:35px 0}.footer-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:25px}.footer a{color:white}.admin-link{font-size:.78rem;opacity:.5}.menu-btn{display:none}
@media(max-width:850px){.nav nav{display:none}.menu-btn{display:block;margin-left:auto}.hero-grid,.grid-2,.recruit-box{grid-template-columns:1fr}.calendar-grid{grid-template-columns:1fr 1fr}.sponsor-grid{grid-template-columns:1fr 1fr}.stats{grid-template-columns:1fr}.gallery{grid-template-columns:1fr}.event{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}}
@media(max-width:520px){.calendar-grid,.sponsor-grid{grid-template-columns:1fr}.hero{padding-top:70px}.brand span{display:none}}

.team-logo-card{background:#fff;border-radius:14px;padding:18px;text-align:center;color:#222}.team-logo-card img{width:100%;aspect-ratio:4/3;object-fit:contain;display:block}.team-logo-card p{font-weight:800;margin:10px 0 0}.history-note{margin-top:18px;padding:14px 18px;background:#f0ebe6;border-left:4px solid var(--red);border-radius:6px}.sponsor-card{justify-content:flex-start;gap:12px;text-align:left}.sponsor-card img{width:54px;height:54px;object-fit:contain;border-radius:7px;background:#fff}.sponsor-logo-empty{width:54px;height:54px;display:flex;align-items:center;justify-content:center;background:#f1efec;color:#999;border-radius:7px;flex:0 0 auto}.hero-card img{aspect-ratio:4/3}.brand img{aspect-ratio:4/3}
/* 2026-08 logo/display refinements */
.hero{background:#000;}
.hero-card{background:#000;}
.hero-card .quake{display:none!important;}
.team-logo-card{background:#fff;overflow:hidden;}
.team-logo-card img{background:#fff;object-fit:contain;padding:12px;}

/* Sponsor contacts + UPRM institutional mark */
.brand-cluster{display:flex;align-items:center;gap:14px}.institution-mark{display:flex;align-items:center;justify-content:center;width:48px;height:48px;background:#fff;border-radius:50%;padding:3px;border:1px solid #d7d7d7}.institution-mark img{width:100%;height:100%;object-fit:contain;border-radius:50%}.sponsor-card{min-height:116px;align-items:center}.sponsor-card.permanent-sponsor{grid-column:span 2;border:2px solid var(--green);background:#f7fbf8}.sponsor-info{display:flex;flex-direction:column;align-items:flex-start;min-width:0}.sponsor-info strong{line-height:1.25}.permanent-badge{font-size:.68rem;text-transform:uppercase;letter-spacing:.08em;background:var(--green);color:#fff;padding:3px 7px;border-radius:999px;margin-bottom:5px}.sponsor-contact{display:flex;flex-direction:column;gap:2px;margin-top:6px;font-size:.78rem}.sponsor-contact a{color:#444;text-decoration:none;word-break:break-word}.sponsor-contact a:hover{color:var(--green)}.footer-brand{display:flex;align-items:center;gap:12px}.footer-brand>img{width:58px;height:58px;object-fit:contain;background:#fff;border-radius:50%;padding:3px}@media(max-width:850px){.institution-mark{width:42px;height:42px}.sponsor-card.permanent-sponsor{grid-column:span 2}}@media(max-width:520px){.institution-mark{width:38px;height:38px}.sponsor-card.permanent-sponsor{grid-column:span 1}}

.permanent-sponsor img{width:105px;height:85px}.photo-admin>div:last-child{display:flex;flex-direction:column;gap:5px}.photo-admin>div:last-child button{margin-left:0}

/* V4 corrected: recruitment admin + sponsor categories/tiers */
.hero-card p{width:100%;text-align:center;margin:18px auto 0;}
.sponsor-card{min-height:118px;align-items:center;justify-content:flex-start;text-align:left;gap:12px;}
.sponsor-card img{width:72px;height:64px;object-fit:contain;background:#fff;border-radius:7px;flex:0 0 auto;}
.sponsor-info{display:flex;flex-direction:column;align-items:flex-start;gap:4px;min-width:0;}
.sponsor-info strong{line-height:1.2;}
.sponsor-audience{font-size:.72rem;font-weight:800;color:#376047;text-transform:uppercase;letter-spacing:.045em;}
.sponsor-contact{display:flex;flex-direction:column;gap:2px;margin-top:3px;font-size:.78rem;}
.sponsor-contact a{color:#444;text-decoration:none;word-break:break-word;}
.sponsor-tier-legend{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 22px;}
.tier-badge{display:inline-flex;align-items:center;width:max-content;padding:4px 9px;border-radius:999px;font-size:.7rem;font-weight:900;letter-spacing:.04em;border:1px solid transparent;}
.tier-badge.bronze{background:#f3e4d8;color:#7a4528;border-color:#c99a78;}
.tier-badge.silver{background:#eceff1;color:#4f5960;border-color:#b9c0c5;}
.tier-badge.gold{background:#fff4cf;color:#775c00;border-color:#dec46d;}
.tier-badge.platinum{background:#e9f0ef;color:#294b49;border-color:#8eadab;}
/* Permanent is an internal lock only; no public permanent badge or enlarged card. */
.sponsor-card.permanent-sponsor{grid-column:auto;border:1px solid #e1ddd9;background:#fff;}
.permanent-badge{display:none!important;}
.permanent-sponsor img{width:72px;height:64px;}
@media(max-width:850px){.sponsor-card.permanent-sponsor{grid-column:auto}}
@media(max-width:520px){.sponsor-card.permanent-sponsor{grid-column:auto}}

/* Publicación: lista limpia de próximas actividades */
#actividades .section-head{margin-bottom:28px}
#actividades .event-list{max-width:980px}
#actividades .event{grid-template-columns:185px 1fr;align-items:start;padding:22px 24px;border-left:5px solid var(--green);box-shadow:0 8px 24px #0000000a}
#actividades .event-date{font-size:.96rem;line-height:1.35}
#actividades .event h3{font-size:1.3rem;margin:7px 0 5px}
#actividades .event p{line-height:1.6}
#actividades .empty-event{display:block}
.footer-access{display:flex;align-items:flex-end;justify-content:flex-end}
.admin-link{font-size:.72rem;opacity:.28;text-decoration:none}
.admin-link:hover{opacity:.7}
@media(max-width:850px){#actividades .event{grid-template-columns:1fr}.footer-access{justify-content:flex-start}}

/* Final publication polish — header alignment and sponsor readability */
@media (min-width: 1100px){
  .site-header .nav{
    width:100%;
    max-width:none;
    margin:0;
    padding:10px 34px;
    justify-content:space-between;
  }
  .brand-cluster{margin-right:auto;gap:12px}
  .nav nav{margin-left:auto;justify-content:flex-end;gap:20px}
}

/* Keep identity anchored neatly at the far left and menu at the far right */
.site-header .brand img{width:106px;height:50px}
.site-header .brand span{white-space:nowrap}
.site-header .institution-mark{flex:0 0 auto}

/* Sponsor cards: give contact information room to breathe */
.sponsor-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.sponsor-card{min-width:0;padding:15px 16px;gap:11px;min-height:124px}
.sponsor-card img{width:62px;height:58px}
.sponsor-logo-empty{width:62px;height:58px;flex:0 0 62px}
.sponsor-info{min-width:0;flex:1;gap:3px}
.sponsor-info strong{font-size:.92rem;line-height:1.12;overflow-wrap:anywhere}
.sponsor-audience{font-size:.64rem;line-height:1.2;letter-spacing:.035em}
.sponsor-card .tier-badge{font-size:.64rem;padding:3px 8px}
.sponsor-contact{width:100%;font-size:.68rem;line-height:1.25;gap:3px;margin-top:4px}
.sponsor-contact a{display:block;width:100%;white-space:normal;overflow-wrap:anywhere;word-break:normal}

@media(max-width:980px){.sponsor-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:560px){
  .sponsor-grid{grid-template-columns:1fr}
  .site-header .nav{padding-left:16px;padding-right:16px}
}

/* --- Interactive Seismic Tower Simulator --- */
.simulator-section{background:linear-gradient(180deg,#f7f5f1 0%,#eef4ef 100%)}
.simulator-shell{display:grid;grid-template-columns:340px minmax(0,1fr);gap:28px;align-items:stretch;margin-top:28px}
.simulator-controls{background:#111715;color:#fff;border-radius:20px;padding:24px;box-shadow:0 18px 45px rgba(0,0,0,.12)}
.sim-control-group{margin-bottom:22px}.sim-control-group label,.sim-label{display:block;font-weight:800;margin-bottom:9px;letter-spacing:.01em}
.sim-control-group select{width:100%;padding:12px 14px;border-radius:10px;border:1px solid #45504b;background:#fff;color:#111;font:inherit}
.tool-buttons{display:grid;grid-template-columns:1fr 1fr;gap:8px}.sim-tool{border:1px solid #46534c;background:#1b2420;color:#fff;padding:10px 8px;border-radius:10px;cursor:pointer;font-weight:700}.sim-tool.active{background:#1f6b3b;border-color:#71c78d}.sim-tool.danger.active{background:#9b2e2e;border-color:#ef8888}
#magnitude{width:100%;accent-color:#b93333}.mag-scale{display:flex;justify-content:space-between;font-size:.74rem;color:#b8c2bd;margin-top:4px}
.sim-actions{display:grid;gap:9px;margin:22px 0}.sim-actions .btn{width:100%;justify-content:center}
.sim-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:18px}.sim-metrics div{background:#1c2521;border:1px solid #303d37;border-radius:10px;padding:10px 7px;text-align:center}.sim-metrics span{display:block;color:#aeb8b3;font-size:.72rem}.sim-metrics strong{font-size:.93rem}
.sim-tip{display:flex;gap:10px;background:#173e28;border-radius:12px;padding:13px;margin-top:16px;font-size:.82rem;line-height:1.45}.sim-tip i{margin-top:3px;color:#f4cf59}.sim-tip p{margin:0}
.simulator-stage{position:relative;background:#fff;border:1px solid #d8d9d6;border-radius:20px;min-height:620px;overflow:hidden;box-shadow:0 18px 45px rgba(0,0,0,.08)}
.shake-table{position:relative;padding:15px 18px 0;height:100%}.shake-table canvas{display:block;width:100%;height:auto;max-height:600px;touch-action:none;cursor:crosshair}.ground-line{height:8px;background:linear-gradient(90deg,#194e2c,#2e7848,#194e2c);margin:0 6%}
.sim-instructions{display:flex;justify-content:center;gap:22px;flex-wrap:wrap;padding:12px 16px 18px;color:#555;font-size:.82rem}.sim-instructions b{color:#9c2626}
.sim-overlay{position:absolute;inset:0;background:rgba(5,12,8,.72);display:grid;place-items:center;backdrop-filter:blur(2px);z-index:5}.sim-overlay.hidden{display:none}.sim-result-card{width:min(440px,88%);background:#fff;border-radius:20px;padding:32px;text-align:center;box-shadow:0 25px 70px rgba(0,0,0,.35)}.result-icon{width:72px;height:72px;border-radius:50%;display:grid;place-items:center;margin:0 auto 14px;font-size:2.2rem;font-weight:900}.result-icon.pass{background:#dff4e6;color:#19713d}.result-icon.fail{background:#fde2e2;color:#b32222}.sim-result-card h3{font-size:1.8rem;margin:8px 0}.sim-result-card p{color:#555;line-height:1.55;margin-bottom:20px}
.sim-disclaimer{font-size:.82rem;color:#68706b;margin:15px 3px 0}.sim-disclaimer i{margin-right:5px}
@media(max-width:980px){.simulator-shell{grid-template-columns:1fr}.simulator-controls{order:1}.simulator-stage{order:2}.tool-buttons{grid-template-columns:repeat(4,1fr)} }
@media(max-width:620px){.tool-buttons{grid-template-columns:1fr 1fr}.sim-metrics{grid-template-columns:1fr 1fr 1fr}.simulator-stage{min-height:auto}.sim-instructions{display:grid;gap:6px}.simulator-controls{padding:18px}.simulator-shell{gap:16px}}

/* --- Wide-screen layout refinement: use more horizontal space across the site --- */
.container{
  width:min(1640px,calc(100% - 64px));
  margin-left:auto;
  margin-right:auto;
}

@media (min-width:1500px){
  .hero-grid{grid-template-columns:minmax(0,1.15fr) minmax(430px,.85fr);gap:72px}
  .grid-2{gap:58px}
  .section-head{max-width:980px}
  #actividades .event-list{max-width:none}
  .simulator-shell{grid-template-columns:380px minmax(0,1fr);gap:34px}
  .sponsor-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
}

@media (min-width:1100px) and (max-width:1499px){
  .container{width:min(1380px,calc(100% - 48px))}
  .sponsor-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}

@media (max-width:1099px){
  .container{width:calc(100% - 36px)}
}

@media (max-width:560px){
  .container{width:calc(100% - 24px)}
}

/* Let sponsor contact details use the additional card width without awkward wrapping. */
.sponsor-info strong{font-size:.9rem}
.sponsor-contact{font-size:.7rem}
.sponsor-contact a{overflow-wrap:normal;word-break:normal}
@media (min-width:1500px){
  .sponsor-card{padding:16px 18px;gap:13px}
  .sponsor-card img,.sponsor-logo-empty{width:66px;height:62px;flex-basis:66px}
  .sponsor-contact{font-size:.72rem}
}

/* =========================================================
   Mobile / tablet polish — publication responsive pass
   Keeps the desktop identity while giving phones real spacing.
   ========================================================= */
@media (max-width: 900px){
  body{overflow-x:hidden;font-size:16px}
  .container{width:calc(100% - 36px);max-width:none}
  .section{padding:58px 0}
  .section-head{max-width:none;margin-bottom:28px}
  .section h2{font-size:clamp(2rem,9vw,3rem);line-height:1.02}
  .section p{line-height:1.65}

  /* Header becomes a clean app-like top bar with a roomy dropdown. */
  .site-header .nav{position:relative;width:100%;padding:10px 18px;gap:12px}
  .brand-cluster{gap:9px;min-width:0}
  .site-header .brand img{width:82px;height:46px}
  .site-header .brand span{display:block;font-size:.82rem;white-space:nowrap}
  .institution-mark{width:40px;height:40px}
  .menu-btn{display:inline-flex;align-items:center;justify-content:center;margin-left:auto;background:#151717;color:#fff;border-color:#414141;padding:10px 14px;min-height:42px}
  .nav nav{display:none;position:absolute;top:calc(100% + 1px);left:14px;right:14px;margin:0!important;padding:14px;background:#101212;border:1px solid #353838;border-radius:0 0 14px 14px;box-shadow:0 18px 38px rgba(0,0,0,.3);flex-direction:column;align-items:stretch;gap:4px;max-height:calc(100vh - 86px);overflow:auto}
  .nav nav.mobile-open{display:flex!important}
  .nav nav a{display:block;padding:12px 13px;border-radius:8px;font-size:.98rem}
  .nav nav a:not(.btn):hover{background:#1b1e1c}
  .nav nav .btn{margin-top:5px;text-align:center}

  /* Hero: same visual language, but no cramped two-column layout. */
  .hero{padding:62px 0 64px}
  .hero:after{bottom:20px}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .eyebrow{font-size:.78rem;letter-spacing:.14em}
  .hero h1{font-size:clamp(3rem,14vw,5rem);line-height:.91;margin:16px 0 22px;max-width:9ch}
  .hero p{font-size:1.04rem;line-height:1.65;max-width:none}
  .hero-actions{gap:10px;margin-top:24px}
  .hero-actions .btn{flex:1 1 190px;text-align:center;padding:13px 15px}
  .hero-card{width:100%;max-width:620px;margin:0 auto;padding:18px;border-radius:16px}
  .hero-card img{max-height:none;width:100%;aspect-ratio:4/3;object-fit:contain}
  .hero-card p{font-size:.96rem;margin-top:12px}

  /* Content cards keep generous white space. */
  .grid-2{grid-template-columns:1fr;gap:28px}
  .feature-card{padding:24px;border-radius:14px}
  .stats{grid-template-columns:1fr;gap:12px}
  .stat{padding:20px}
  .roles{gap:8px}.role-chip{padding:9px 12px}
  .recruit-box{grid-template-columns:1fr;gap:24px}
  .qr-box{max-width:330px;width:100%;margin:auto}

  /* Simulator: controls first, large touch targets, canvas gets its own breathing room. */
  .simulator-shell{grid-template-columns:1fr;gap:22px}
  .simulator-controls{padding:22px;border-radius:16px}
  .tool-buttons{grid-template-columns:1fr 1fr;gap:10px}
  .sim-tool{min-height:48px;font-size:.95rem}
  .sim-control-group select{min-height:48px}
  .sim-actions .btn{min-height:48px}
  .simulator-stage{min-height:440px;border-radius:16px}
  .shake-table{padding:12px 10px 0}
  .shake-table canvas{width:100%;max-height:none}
  .sim-instructions{padding:14px 16px 18px;gap:8px 16px;justify-content:flex-start}

  /* Upcoming activities become clean stacked editorial cards. */
  #actividades .event-list{max-width:none}
  #actividades .event{grid-template-columns:1fr;padding:20px;border-radius:13px;gap:9px}
  #actividades .event h3{font-size:1.22rem}

  /* Sponsors retain readable contact info instead of squeezing cards. */
  .sponsor-tier-legend{gap:7px;margin-bottom:18px}
  .sponsor-grid{grid-template-columns:1fr 1fr;gap:12px}
  .sponsor-card{min-height:128px;padding:15px;gap:12px;border-radius:10px}
  .sponsor-card img,.sponsor-logo-empty{width:58px;height:58px;flex:0 0 58px}
  .sponsor-info strong{font-size:.88rem;line-height:1.2}
  .sponsor-audience{font-size:.61rem}
  .sponsor-contact{font-size:.68rem;line-height:1.35}
  .sponsor-contact a{overflow-wrap:anywhere;word-break:normal}

  /* Contact/footer is intentionally spacious rather than squeezed. */
  .support-panel{padding:26px;border-radius:14px}
  .footer{padding:34px 0}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-access{justify-content:flex-start}
  .social-btn{width:48px;height:48px}
}

@media (max-width: 560px){
  .container{width:calc(100% - 28px)}
  .section{padding:50px 0}
  .site-header .nav{padding:9px 12px}
  .site-header .brand img{width:70px;height:42px}
  .site-header .brand span{font-size:.75rem}
  .institution-mark{width:36px;height:36px}
  .menu-btn{padding:9px 12px;font-size:.86rem}
  .nav nav{left:8px;right:8px}

  .hero{padding:52px 0 58px}
  .hero h1{font-size:clamp(2.7rem,15vw,4.3rem);max-width:8.5ch}
  .hero-actions{display:grid;grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .hero-card{padding:14px}

  .feature-card{padding:20px}
  .tool-buttons{grid-template-columns:1fr 1fr}
  .sim-metrics{grid-template-columns:1fr 1fr 1fr;gap:6px}
  .sim-metrics div{padding:9px 4px}
  .sim-metrics strong{font-size:.82rem}
  .simulator-stage{min-height:360px}

  .sponsor-grid{grid-template-columns:1fr}
  .sponsor-card{min-height:112px;padding:15px 16px}
  .sponsor-card img,.sponsor-logo-empty{width:64px;height:60px;flex-basis:64px}
  .sponsor-info strong{font-size:.94rem}
  .sponsor-contact{font-size:.73rem}

  .gallery{grid-template-columns:1fr;gap:16px}
  .gallery img{height:auto;aspect-ratio:4/3}
  .support-panel{padding:22px}
}

@media (max-width: 380px){
  .container{width:calc(100% - 22px)}
  .site-header .brand span{display:none}
  .hero h1{font-size:2.75rem}
  .tool-buttons{grid-template-columns:1fr}
  .sim-metrics{grid-template-columns:1fr}
}