:root{--black:#090909;--black2:#151515;--paper:#f3f1eb;--white:#fff;--yellow:#f5d500;--orange:#e87914;--red:#8e2e31;--muted:#bcb8ae;--line:rgba(255,255,255,.16);--max:1180px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--black);color:var(--white);font:17px/1.6 Inter,system-ui,sans-serif;overflow-x:hidden}a{color:inherit}img{display:block;max-width:100%}.shell{width:min(calc(100% - 40px),var(--max));margin-inline:auto}
.topbar{position:sticky;top:0;z-index:50;background:rgba(9,9,9,.92);border-bottom:1px solid rgba(255,255,255,.12);backdrop-filter:blur(14px)}.nav{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none}.brand img{width:52px;height:52px;object-fit:contain}.brand span{font:600 1rem/1 "Barlow Condensed",sans-serif;letter-spacing:.05em;text-transform:uppercase}.nav-links{display:flex;align-items:center;gap:25px}.nav-links a{color:#ddd9d0;text-decoration:none;font:500 .85rem "Barlow Condensed",sans-serif;letter-spacing:.11em;text-transform:uppercase}.nav-links a:hover,.nav-links a:focus-visible,.nav-links a[aria-current=page]{color:var(--yellow)}.nav-cta{border-bottom:2px solid var(--yellow);padding:8px 0}.menu{display:none;width:42px;height:42px;color:white;background:transparent;border:1px solid var(--line);border-radius:50%;font-size:1.2rem}
.eyebrow{margin:0 0 16px;color:var(--yellow);font:600 .8rem "Barlow Condensed",sans-serif;letter-spacing:.2em;text-transform:uppercase}h1,h2,h3{margin:0;font-family:"Barlow Condensed",sans-serif;line-height:.98;text-transform:uppercase}h1{font-size:clamp(4rem,8vw,7.2rem);font-weight:500;letter-spacing:-.025em}h2{font-size:clamp(2.8rem,5vw,5rem);font-weight:500;letter-spacing:-.025em}h3{font-weight:500}.lede{font-size:1.08rem;color:#ddd8cf;max-width:650px}.btn{display:inline-flex;min-height:50px;align-items:center;justify-content:center;padding:13px 22px;border:1px solid transparent;text-decoration:none;font:600 .9rem "Barlow Condensed",sans-serif;letter-spacing:.1em;text-transform:uppercase;transition:.2s ease}.btn-primary{background:var(--yellow);color:var(--black)}.btn-primary:hover{background:#ffe715;transform:translateY(-2px)}.btn-secondary{border-color:rgba(255,255,255,.42)}.btn-secondary:hover{border-color:var(--yellow);color:var(--yellow)}.actions{display:flex;flex-wrap:wrap;gap:12px}
.home-hero{min-height:720px;padding:125px 0 78px;display:grid;align-items:center;position:relative;isolation:isolate}.home-hero:before{content:"";position:absolute;inset:0;z-index:-2;background:url("assets/summit-headphones-hero.png") center/cover no-repeat}.home-hero:after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(0,0,0,.97),rgba(0,0,0,.86) 38%,rgba(0,0,0,.08) 76%)}.home-copy{max-width:660px}.home-copy h1 span{display:block;color:var(--yellow)}.home-copy .lede{margin:28px 0 30px}.status{margin-top:34px;color:#bcb8ae;font:500 .76rem "Barlow Condensed",sans-serif;letter-spacing:.15em;text-transform:uppercase}
.band{background:linear-gradient(90deg,var(--red),var(--orange) 52%,#f2b52a)}.band-grid{min-height:90px;display:grid;grid-template-columns:1.2fr repeat(3,.55fr)}.band-item{padding:20px 26px;border-right:1px solid rgba(255,255,255,.28);display:flex;flex-direction:column;justify-content:center}.band-item:first-child{padding-left:0;font:500 1.45rem "Barlow Condensed",sans-serif;text-transform:uppercase}.band-item strong{font:600 1.8rem "Barlow Condensed",sans-serif;line-height:1}.band-item small{text-transform:uppercase;letter-spacing:.12em;font-size:.7rem}
section{padding:100px 0}.section-head{display:grid;grid-template-columns:.9fr 1.2fr;gap:70px;margin-bottom:54px}.section-head p{margin:0;color:#c6c2ba;max-width:630px}.light{background:var(--paper);color:var(--black)}.light .section-head p,.light .body-copy{color:#55534d}.gradient-rule{height:7px;background:linear-gradient(90deg,var(--red),var(--orange),var(--yellow))}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.feature-card{min-height:310px;padding:28px;border:1px solid var(--line);background:rgba(255,255,255,.03);display:flex;flex-direction:column;justify-content:space-between;text-decoration:none}.feature-card .num{color:var(--yellow);font:600 .76rem "Barlow Condensed",sans-serif;letter-spacing:.16em}.feature-card h3{font-size:2rem}.feature-card p{color:#bdb8ae;margin:14px 0 0;font-size:.94rem}.feature-card:hover{border-color:var(--yellow)}
.photo-strip{display:grid;grid-template-columns:repeat(3,1fr)}.photo-strip img{width:100%;height:330px;object-fit:cover}.partner-preview{display:grid;grid-template-columns:1.3fr .7fr;gap:18px}.partner-panel{background:#fff;color:#111;border-top:7px solid var(--orange);padding:34px}.partner-panel.secondary{border-color:var(--yellow)}.partner-panel img{height:75px;max-width:210px;object-fit:contain;object-position:left;margin-bottom:26px}.partner-panel h3{font-size:2.5rem}.partner-panel p{color:#53504a}.cta{background:linear-gradient(90deg,var(--red),var(--orange) 55%,#f2b52a)}.cta-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:65px;align-items:end}.cta p{margin:0 0 24px}
.page-hero{min-height:430px;padding:95px 0 70px;display:flex;align-items:end;position:relative;isolation:isolate;background:#111}.page-hero:after{content:"";position:absolute;inset:auto 0 0;height:7px;background:linear-gradient(90deg,var(--red),var(--orange),var(--yellow))}.page-hero .lede{margin:24px 0 0}.page-hero.photo:before{content:"";position:absolute;inset:0;z-index:-2;background:var(--hero-image) center/cover no-repeat}.page-hero.photo:after{inset:0;z-index:-1;height:auto;background:linear-gradient(90deg,rgba(0,0,0,.96),rgba(0,0,0,.52) 65%,rgba(0,0,0,.2))}
.timeline{display:grid;gap:1px;background:#c8c2b5}.timeline article{display:grid;grid-template-columns:150px 1fr;gap:34px;background:var(--paper);padding:36px}.timeline .year{font:600 3rem "Barlow Condensed",sans-serif;color:var(--orange)}.timeline h3{font-size:2rem}.timeline p{margin:12px 0 0;color:#55534d}.fact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line)}.fact{background:var(--black2);padding:30px}.fact strong{display:block;color:var(--yellow);font:600 2.5rem "Barlow Condensed",sans-serif}.fact span{color:#bdb8ae}
.speaker-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.speaker-card{background:#fff;color:#111}.speaker-card img{width:100%;aspect-ratio:4/3;object-fit:cover}.speaker-copy{padding:24px}.speaker-copy h3{font-size:1.8rem}.speaker-copy .role{color:#6a655c;font-size:.9rem;margin:8px 0}.speaker-copy .session{padding-top:12px;border-top:1px solid #ddd7cb;color:#333;font-size:.88rem}.speaker-years{border-top:1px solid var(--line)}.speaker-year{display:grid;grid-template-columns:minmax(220px,.55fr) minmax(0,1.45fr);gap:42px;padding:38px 0;border-bottom:1px solid var(--line)}.speaker-year-head{display:grid;grid-template-columns:auto 1fr;gap:22px;align-items:start}.speaker-year-head>span{color:var(--yellow);font:600 3rem/1 "Barlow Condensed",sans-serif}.speaker-year-head h3{font-size:1.8rem}.speaker-year-head p{margin:9px 0 0;color:#99948b;font-size:.82rem}.speaker-list{list-style:none;margin:0;padding:1px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--line)}.speaker-list li{padding:18px 20px;background:var(--black2)}.speaker-list strong,.speaker-list span{display:block}.speaker-list strong{font:600 1.2rem/1.1 "Barlow Condensed",sans-serif;text-transform:uppercase}.speaker-list span{margin-top:7px;color:#aaa69d;font-size:.82rem;line-height:1.4}
.naming-grid{display:grid;grid-template-columns:1.35fr .85fr;gap:18px}.sponsor-card{background:#fff;color:#111;border-top:7px solid var(--yellow);padding:36px;min-height:370px}.sponsor-card.primary{border-color:var(--orange)}.sponsor-card img{height:90px;max-width:230px;object-fit:contain;object-position:left;margin-bottom:28px}.sponsor-card h3{font-size:clamp(2.3rem,4vw,4rem)}.sponsor-card p{color:#504d46}.sponsor-role{color:#6b675e;font:600 .75rem "Barlow Condensed",sans-serif;letter-spacing:.15em;text-transform:uppercase}.support-card{display:grid;grid-template-columns:.6fr 1.4fr;gap:26px;align-items:center;padding:30px;border:1px solid var(--line);margin-top:18px}.support-card img{width:100%;height:150px;object-fit:contain;background:#fff}.support-card h3{font-size:2.6rem}.support-card p{color:#c6c2ba}.tier-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.tier{border:1px solid var(--line);padding:25px;min-height:220px}.tier h3{font-size:1.6rem}.tier p{color:#bdb8ae;font-size:.92rem}
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.gallery-grid figure{margin:0;position:relative;overflow:hidden;background:#222}.gallery-grid img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .4s}.gallery-grid figure:hover img{transform:scale(1.03)}.gallery-grid figcaption{position:absolute;inset:auto 12px 10px;color:white;font:600 .72rem "Barlow Condensed",sans-serif;letter-spacing:.13em;text-transform:uppercase;text-shadow:0 2px 10px #000}.gallery-grid .wide{grid-column:span 2}.gallery-grid .wide img{aspect-ratio:2/1}
.video-section{background:var(--black2)}.video-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(280px,.65fr);gap:42px;align-items:center}.video-grid.reverse{grid-template-columns:minmax(280px,.65fr) minmax(0,1.35fr)}.video-grid.reverse .video-copy{order:1}.video-grid.reverse .video-frame{order:2}.video-frame{position:relative;aspect-ratio:16/9;overflow:hidden;background:#000;border:1px solid rgba(255,255,255,.18);box-shadow:0 24px 60px rgba(0,0,0,.34)}.video-frame:after{content:"";position:absolute;inset:auto 0 0;height:5px;background:linear-gradient(90deg,var(--red),var(--orange),var(--yellow));pointer-events:none}.video-frame iframe{display:block;width:100%;height:100%;border:0}.video-copy h2,.video-card h3{color:#fff}.video-copy h2{font-size:clamp(2.8rem,5vw,4.8rem)}.video-copy p{color:#c6c2ba}.video-meta{display:inline-block;margin-bottom:14px;color:var(--yellow);font:600 .76rem "Barlow Condensed",sans-serif;letter-spacing:.16em;text-transform:uppercase}.video-note{margin-top:22px;color:#99948b!important;font-size:.82rem}.video-archive{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.video-card{padding:18px;background:#111;border:1px solid var(--line)}.video-card h3{margin-top:22px;font-size:2rem}.video-card p{margin-bottom:4px;color:#bdb8ae;font-size:.92rem}
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.contact-card{padding:34px;border:1px solid var(--line);background:var(--black2);min-height:300px;display:flex;flex-direction:column;justify-content:space-between}.contact-card h2{font-size:3rem}.contact-card p{color:#c6c2ba}.contact-note{margin-top:24px;color:#9e998f;font-size:.88rem}.socials{display:flex;gap:22px;flex-wrap:wrap}.socials a{color:var(--yellow)}
footer{padding:34px 0;background:#050505;color:#8f8b82;font-size:.8rem}.footer-grid{display:flex;justify-content:space-between;gap:20px}.footer-grid a{color:white;text-decoration:none}:focus-visible{outline:3px solid var(--yellow);outline-offset:4px}
@media(max-width:900px){.menu{display:grid;place-items:center}.nav-links{position:fixed;top:76px;left:16px;right:16px;display:none;flex-direction:column;align-items:stretch;gap:10px;padding:18px;background:#111;border:1px solid var(--line)}.nav-links.open{display:flex}.nav-links a{padding:7px}.section-head,.cta-grid,.video-grid,.video-grid.reverse,.speaker-year{grid-template-columns:1fr;gap:28px}.video-grid.reverse .video-copy,.video-grid.reverse .video-frame{order:initial}.feature-grid,.speaker-grid,.video-archive{grid-template-columns:repeat(2,1fr)}.partner-preview,.naming-grid,.contact-grid{grid-template-columns:1fr}.tier-grid{grid-template-columns:repeat(2,1fr)}.band-grid{grid-template-columns:1fr 1fr}.band-item:first-child{grid-column:1/-1;padding-left:22px;border-bottom:1px solid rgba(255,255,255,.25)}.support-card{grid-template-columns:1fr}.fact-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.shell{width:min(calc(100% - 28px),var(--max))}.brand span{display:none}.home-hero{min-height:760px;padding-top:100px;align-items:start}.home-hero:before{background-position:63% center;opacity:.72}.home-hero:after{background:linear-gradient(180deg,rgba(0,0,0,.97),rgba(0,0,0,.77) 58%,rgba(0,0,0,.25))}h1{font-size:clamp(3.7rem,17vw,5.2rem)}section{padding:75px 0}.feature-grid,.speaker-grid,.speaker-list,.tier-grid,.photo-strip,.video-archive{grid-template-columns:1fr}.photo-strip img{height:270px}.timeline article{grid-template-columns:1fr;gap:8px}.gallery-grid{grid-template-columns:1fr}.gallery-grid .wide{grid-column:auto}.gallery-grid .wide img,.gallery-grid img{aspect-ratio:4/3}.footer-grid{flex-direction:column}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition-duration:.01ms!important}}