@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Space+Grotesk:wght@500;600;700&display=swap');
:root{--navy:#071b4f;--blue:#0b5bd3;--blue2:#1789ff;--green:#11853d;--lime:#78c93d;--teal:#10a7a2;--ink:#12203a;--muted:#5d6c84;--line:#dce7f4;--paper:#fff;--soft:#f4f9ff;--shadow:0 18px 55px rgba(7,27,79,.12);--radius:24px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Arial,sans-serif;color:var(--ink);background:radial-gradient(circle at 5% 10%,rgba(23,137,255,.10),transparent 24%),radial-gradient(circle at 95% 25%,rgba(120,201,61,.12),transparent 25%),#f7fbff;line-height:1.55}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.container{width:min(1180px,92%);margin:auto}.topline{background:linear-gradient(90deg,#06275f,#0b5bd3 55%,#14843c);color:#fff;text-align:center;padding:8px 12px;font-size:12px;font-weight:700;letter-spacing:.02em}header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.93);backdrop-filter:blur(18px);border-bottom:1px solid rgba(220,231,244,.85);box-shadow:0 8px 30px rgba(7,27,79,.06)}.nav{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:22px}.brand{display:flex;align-items:center;gap:14px;min-width:0}.brand img{width:175px;height:auto}.brand-divider{height:44px;width:1px;background:#b9c8dd}.brand-text{font-family:'Space Grotesk',sans-serif;font-size:13px;font-weight:700;line-height:1.2;color:var(--navy)}.brand-text span{display:block;color:var(--green);font-size:11px;margin-top:4px}.nav-links{display:flex;align-items:center;gap:4px}.nav-links>a,.events-menu>button{padding:11px 13px;border-radius:12px;font-size:13px;font-weight:800;color:#273a5c;border:0;background:transparent;cursor:pointer}.nav-links>a:hover,.nav-links>a.active,.events-menu>button:hover{background:#edf5ff;color:var(--blue)}.nav-cta{background:linear-gradient(135deg,var(--blue),var(--green))!important;color:#fff!important;box-shadow:0 10px 24px rgba(11,91,211,.22)}.menu-btn{display:none;border:0;background:#edf5ff;color:var(--navy);font-size:24px;border-radius:12px;padding:8px 12px}.events-menu{position:relative}.events-menu:hover .dropdown,.events-menu:focus-within .dropdown{display:block}.dropdown{display:none;position:absolute;right:0;top:48px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:8px;min-width:220px;box-shadow:var(--shadow)}.dropdown a{display:block;padding:11px 13px;border-radius:11px;font-size:13px;font-weight:800}.dropdown a:hover{background:#eef7ff;color:var(--blue)}
.hero{position:relative;overflow:hidden;padding:30px 0 40px;background:linear-gradient(135deg,rgba(246,252,255,.96),rgba(255,255,255,.92)),url('assets/bg.png') center/cover}.hero:before{content:'';position:absolute;width:650px;height:650px;border-radius:50%;border:100px solid rgba(11,91,211,.05);right:-300px;top:-260px}.hero:after{content:'';position:absolute;width:500px;height:500px;border-radius:50%;border:80px solid rgba(17,133,61,.06);left:-290px;bottom:-270px}.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.03fr .97fr;gap:46px;align-items:center}.hero-brand-logo{width:min(620px,100%);margin-bottom:20px}.hero h1{font-family:'Space Grotesk',sans-serif;font-size:clamp(48px,6vw,78px);line-height:.98;letter-spacing:-.055em;margin:0 0 18px;color:var(--navy)}.hero h1 em{font-style:normal;color:var(--blue)}.hero-sub{font-size:18px;max-width:700px;color:#50617b;margin:0 0 25px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 18px;border-radius:13px;font-size:13px;font-weight:900;border:1px solid transparent;transition:.2s}.btn:hover{transform:translateY(-2px)}.btn-primary{background:linear-gradient(135deg,var(--blue),var(--green));color:#fff;box-shadow:0 13px 28px rgba(11,91,211,.2)}.btn-secondary{background:#fff;border-color:#cbd9ec;color:var(--navy)}.hero-visual{background:rgba(255,255,255,.78);border:1px solid rgba(255,255,255,.9);padding:15px;border-radius:30px;box-shadow:var(--shadow);backdrop-filter:blur(14px)}.hero-visual img{border-radius:21px;width:100%;height:auto}.hero-badges{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:11px}.hero-badge{background:#fff;border:1px solid var(--line);border-radius:16px;padding:13px 9px;text-align:center}.hero-badge strong{display:block;font-size:16px;color:var(--navy)}.hero-badge span{display:block;font-size:10px;color:#6b7890;font-weight:800;text-transform:uppercase}.hero-badge.date strong{color:var(--green)}.hero-badge.venue strong{color:var(--blue)}.hero-badge.theme strong{color:#9a6b00}.event-highlight-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:25px}.event-highlight{padding:15px;border-radius:17px;color:#fff;min-height:108px;box-shadow:0 12px 28px rgba(7,27,79,.11)}.event-highlight.conclave{background:linear-gradient(135deg,#062b7a,#1475df)}.event-highlight.ideathon{background:linear-gradient(135deg,#08763a,#56b83b)}.event-highlight.hackathon{background:linear-gradient(135deg,#123b92,#10a7a2)}.event-highlight small{display:block;font-size:10px;text-transform:uppercase;font-weight:900;opacity:.82}.event-highlight strong{display:block;font-size:17px;margin:4px 0}.event-highlight span{font-size:11px;line-height:1.3;display:block}.countdown{display:grid;grid-template-columns:repeat(4,1fr);gap:9px;margin-top:20px;max-width:570px}.countbox{background:#fff;border:1px solid var(--line);border-radius:15px;text-align:center;padding:10px}.countbox strong{display:block;font-family:'Space Grotesk';font-size:24px;color:var(--navy)}.countbox span{font-size:9px;text-transform:uppercase;font-weight:900;color:#6c7890}
.section{padding:82px 0}.section-alt{background:linear-gradient(180deg,#eff8ff,#f6fff2)}.section-head{max-width:800px;margin-bottom:34px}.eyebrow,.kicker{display:inline-flex;align-items:center;gap:8px;color:var(--green);font-size:11px;font-weight:900;text-transform:uppercase;letter-spacing:.12em;margin-bottom:9px}.eyebrow:before{content:'';width:22px;height:3px;border-radius:10px;background:linear-gradient(90deg,var(--blue),var(--green))}.section-head h2{font-family:'Space Grotesk';font-size:clamp(34px,4vw,54px);line-height:1.05;letter-spacing:-.045em;margin:0 0 11px;color:var(--navy)}.section-lead{color:var(--muted);font-size:16px;max-width:760px;margin:0}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:17px}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:23px;box-shadow:0 10px 30px rgba(7,27,79,.06);transition:.25s}.card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.card h3{font-family:'Space Grotesk';font-size:19px;margin:0 0 8px;color:var(--navy)}.card p{margin:0;color:#637188;font-size:13px;line-height:1.6}.icon{width:45px;height:45px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,#eaf4ff,#e8f7e9);color:var(--blue);font-weight:900;margin-bottom:14px;font-size:20px}.focus-card{overflow:hidden;padding:0}.focus-top{padding:23px}.focus-top h3{font-size:19px}.focus-bottom{padding:11px 23px;background:linear-gradient(90deg,#0a438e,#11853d);color:#fff;font-size:11px;font-weight:900}.event-card img{width:100%;height:220px;object-fit:cover;border-radius:17px;margin-bottom:15px}.pill{display:inline-block;background:#eaf3ff;color:#0a4b9d;padding:6px 10px;border-radius:999px;font-size:10px;font-weight:900;margin:2px 0 9px}.cta{padding:48px;border-radius:30px;background:linear-gradient(120deg,#062b7a,#0757b8 55%,#11853d);color:#fff;box-shadow:0 24px 55px rgba(6,43,122,.18);position:relative;overflow:hidden}.cta h2{font-family:'Space Grotesk';font-size:38px;line-height:1.05;margin:0 0 10px}.cta p{color:#dbe9ff;max-width:760px;margin:0 0 20px}
.page-hero{padding:55px 0;background:linear-gradient(135deg,#eff8ff,#f7fff2);border-bottom:1px solid var(--line)}.page-hero-grid{display:grid;grid-template-columns:1fr .75fr;gap:40px;align-items:center}.page-hero h1{font-family:'Space Grotesk';font-size:clamp(42px,5vw,66px);line-height:1;letter-spacing:-.05em;color:var(--navy);margin:0 0 15px}.page-hero p{font-size:17px;color:var(--muted);max-width:700px}.page-hero-art{  display: inline-block;
  width: fit-content;
  max-width: 100%;
  justify-self: end;
  background: #fff;
  border: 7px solid #fff;
  border-radius: 26px;
  overflow: hidden;
  box-shadow: var(--shadow);
}.page-hero-art img{  display: block;
  width: auto;
  height: auto;
  max-width: 100%;}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.prose p{font-size:15px;line-height:1.75}.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:20px}.stat{background:#f4f9ff;border:1px solid var(--line);border-radius:16px;padding:15px}.stat strong{display:block;color:var(--blue);font-family:'Space Grotesk';font-size:24px}.stat span{font-size:10px;color:#6a778c;font-weight:800}.timeline{display:grid;gap:13px}.timeline-item{display:grid;grid-template-columns:48px 1fr;gap:14px;align-items:start;padding:4px 0}.timeline-icon{width:48px;height:48px;border-radius:15px;background:linear-gradient(135deg,#eaf4ff,#e9f8e9);display:grid;place-items:center;color:var(--navy);font-weight:900;border:1px solid var(--line)}.timeline-item h4{margin:0 0 3px;font-family:'Space Grotesk';font-size:15px}.timeline-item p{margin:0;color:#68768d;font-size:13px}.speaker-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.speaker{background:#fff;border:1px solid var(--line);border-radius:24px;overflow:hidden;box-shadow:0 10px 30px rgba(7,27,79,.07);transition:.25s}.speaker:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.speaker-photo{background:linear-gradient(145deg,#edf6ff,#effbea);padding:22px 22px 0}.speaker-photo img{width:150px;height:150px;border-radius:50%;object-fit:cover;margin:auto;border:7px solid #fff;box-shadow:0 12px 24px rgba(0,0,0,.08)}.speaker-info{padding:18px}.speaker-info h3{font-family:'Space Grotesk';font-size:16px;line-height:1.2;margin:0 0 7px;color:var(--navy)}.speaker-role{font-size:11px;line-height:1.5;color:#617087}.event-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:start}.poster{border-radius:26px;overflow:hidden;border:7px solid #fff;box-shadow:var(--shadow);position:sticky;top:105px}.poster img{width:100%}.feature-list{display:grid;gap:11px}.feature{display:flex;gap:12px;align-items:flex-start;padding:15px;border:1px solid var(--line);background:#fff;border-radius:16px}.check{width:30px;height:30px;flex:0 0 30px;border-radius:10px;background:#e9f7eb;color:#13743a;display:grid;place-items:center;font-weight:900}.feature strong{display:block;font-size:13px;margin-bottom:3px}.feature span{font-size:12px;color:#68768c;line-height:1.45}.table{width:100%;border-collapse:separate;border-spacing:0;background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden}.table th,.table td{text-align:left;padding:13px 14px;border-bottom:1px solid #e7eef7;font-size:12px}.table th{background:#eff6ff;color:var(--navy);font-size:10px;text-transform:uppercase;letter-spacing:.07em}.table tr:last-child td{border-bottom:0}.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.contact-card{display:flex;gap:14px;padding:20px;border:1px solid var(--line);border-radius:20px;background:#fff;box-shadow:0 8px 25px rgba(7,27,79,.05)}.contact-icon{width:45px;height:45px;flex:0 0 45px;border-radius:14px;background:linear-gradient(135deg,#eaf4ff,#e8f7e8);display:grid;place-items:center;color:var(--blue);font-weight:900}.contact-card h3{font-family:'Space Grotesk';font-size:16px;margin:0 0 5px;color:var(--navy)}.contact-card p{margin:0;color:#637188;font-size:12px;line-height:1.55}.contact-card a{color:#0757b8;font-weight:800}.committee-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.committee-card h3{font-size:20px}.committee-card ul{padding:0;margin:10px 0 0;list-style:none}.committee-card li{padding:8px 0;border-bottom:1px dashed #dbe5f1;font-size:13px}.committee-card li:last-child{border-bottom:0}.committee-card li strong{color:var(--navy)}.support-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.support-logo{min-height:170px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}.support-logo img{width:min(330px,90%);max-height:75px;object-fit:contain;margin-bottom:14px}.support-mark{font-family:'Space Grotesk';font-size:25px;color:var(--navy)}.support-note{font-size:12px;color:#68768d}.register-card{display:grid;grid-template-columns:1fr auto;gap:25px;align-items:center}.qr{width:155px;border:8px solid #fff;border-radius:18px;box-shadow:var(--shadow)}
footer{background:#041d56;color:#dbe7fb;padding:48px 0 20px;margin-top:0}.footer-grid{display:grid;grid-template-columns:1.25fr .8fr .9fr;gap:40px}.footer-grid h3{font-family:'Space Grotesk';color:#fff;margin:0 0 10px}.footer-grid p,.footer-grid li{font-size:12px;line-height:1.7;color:#b2c4df}.footer-grid ul{list-style:none;padding:0;margin:0}.footer-grid a:hover{color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:25px;padding-top:16px;font-size:10px;color:#9eb1ce;display:flex;justify-content:space-between;gap:15px}.reveal{opacity:0;transform:translateY(18px);transition:.65s ease}.reveal.show{opacity:1;transform:none}
@media(max-width:1050px){.nav-links{display:none;position:absolute;left:4%;right:4%;top:78px;background:#fff;padding:10px;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links>a,.events-menu>button{padding:12px}.dropdown{position:static;display:block;box-shadow:none;border:0;padding:0 8px 8px}.menu-btn{display:block}.hero-grid,.page-hero-grid,.event-layout,.about-grid{grid-template-columns:1fr}.hero-visual{max-width:760px;margin:auto}.poster{position:relative;top:auto;max-width:720px;margin:auto}.grid-4,.speaker-grid{grid-template-columns:repeat(2,1fr)}.support-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:700px){.brand img{width:125px}.brand-divider,.brand-text{display:none}.hero{padding:52px 0 62px}.hero h1{font-size:50px}.hero-sub{font-size:16px}.event-highlight-grid,.hero-badges,.countdown,.grid-4,.grid-3,.grid-2,.speaker-grid,.contact-grid,.committee-grid,.support-grid,.stat-grid,.register-card{grid-template-columns:1fr}.section{padding:60px 0}.section-head h2{font-size:36px}.page-hero{padding:45px 0}.page-hero h1{font-size:45px}.footer-grid{grid-template-columns:1fr;gap:25px}.footer-bottom{flex-direction:column}.speaker-photo img{width:135px;height:135px}}

/* SustainAI 2026 visual and accessibility enhancements */
.skip-link{position:fixed;left:14px;top:14px;z-index:9999;padding:10px 14px;background:#071b4f;color:#fff;border-radius:10px;transform:translateY(-150%);transition:.2s}.skip-link:focus{transform:none}.event-highlight-grid-six{grid-template-columns:repeat(3,1fr)}.event-highlight-grid-six .event-highlight{min-height:150px;display:flex;flex-direction:column;align-items:flex-start}.event-highlight-grid-six .btn{margin-top:auto;padding:8px 11px;font-size:10px}.event-highlight.codethon{background:linear-gradient(135deg,#087b63,#1556a8)}.event-highlight.mapathon{background:linear-gradient(135deg,#126c3c,#0d5eac)}.event-highlight.workshop{background:linear-gradient(135deg,#123d91,#087d5b)}.footer-logo{width:105px;height:105px;object-fit:contain;margin-bottom:8px;border-radius:50%}.footer-grid>div:first-child h3{margin-top:0}.event-hero .page-hero-art{max-width:520px}.event-hero .page-hero-art img{max-height:520px;object-fit:contain}.compact-title{font-family:'Space Grotesk';color:var(--navy);font-size:30px;line-height:1.05;margin:0 0 18px}.agenda-section{background:radial-gradient(circle at 95% 5%,rgba(11,91,211,.08),transparent 30%),linear-gradient(180deg,#fff,#f6fbff)}.agenda-day{background:#fff;border:1px solid var(--line);border-radius:26px;box-shadow:var(--shadow);overflow:hidden;margin-bottom:28px}.agenda-day-head{display:flex;gap:18px;align-items:center;padding:22px 24px;background:linear-gradient(120deg,#071b4f,#0b5bd3 65%,#11853d);color:#fff}.agenda-day-head>span{display:grid;place-items:center;width:70px;height:70px;border-radius:18px;background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.2);font-family:'Space Grotesk';font-weight:800;font-size:13px}.agenda-day-head h3{font-family:'Space Grotesk';font-size:24px;margin:0 0 4px}.agenda-day-head p{margin:0;color:#dce9ff;font-size:12px}.agenda-scroll{overflow-x:auto}.agenda-table{border:0;border-radius:0;min-width:850px}.agenda-table th{background:#eef6ff;position:sticky;top:0;z-index:1}.agenda-table td{vertical-align:top}.agenda-table td:first-child{width:105px}.agenda-table td:nth-child(2){min-width:470px}.agenda-table td:nth-child(3){min-width:200px}.agenda-table td strong{display:block;color:var(--navy);font-size:13px;line-height:1.45}.agenda-table td span{display:block;color:#68768c;font-size:11px;line-height:1.5;margin-top:4px}.agenda-time{font-family:'Space Grotesk';font-weight:800;color:var(--blue)}.agent-flow{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}.agent-node{min-height:110px;border:1px solid var(--line);border-radius:20px;background:linear-gradient(145deg,#eff7ff,#f1faef);display:grid;place-items:center;text-align:center;font-family:'Space Grotesk';font-weight:800;color:var(--navy);position:relative}.agent-node:not(:last-child)::after{content:'→';position:absolute;right:-15px;color:var(--green);font-size:22px;font-weight:900}.section-head .eyebrow{margin-bottom:11px}
@media(max-width:1050px){.event-highlight-grid-six{grid-template-columns:repeat(2,1fr)}.agent-flow{grid-template-columns:repeat(3,1fr)}.agent-node:nth-child(3)::after{display:none}}
@media(max-width:700px){.event-highlight-grid-six{grid-template-columns:1fr}.event-highlight-grid-six .event-highlight{min-height:125px}.footer-logo{width:85px;height:85px}.agenda-day-head{align-items:flex-start}.agenda-day-head>span{width:58px;height:58px;flex:0 0 58px}.agenda-day-head h3{font-size:20px}.agent-flow{grid-template-columns:1fr}.agent-node:not(:last-child)::after{content:'↓';right:auto;bottom:-18px;top:auto;font-size:20px}.agent-node:nth-child(3)::after{display:block}}