@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');*{box-sizing:border-box}body{margin:0;background:#f7fafc;color:#07162e;font-family:Inter,system-ui,sans-serif}header{height:66px;display:flex;align-items:center;gap:42px;padding:0 max(28px,calc((100vw - 1240px)/2));border-bottom:1px solid #dfe8f1;background:#fff;position:sticky;top:0;z-index:20}.brand{display:flex;align-items:center;gap:9px;color:#07162e;text-decoration:none;font-size:17px}.brand span{width:32px;height:32px;background:#08dfac;border-radius:7px;display:grid;place-items:center;font-weight:800}.brand b{font-weight:800}header nav{display:flex;gap:28px;margin:auto}header nav a,footer nav a{color:#183352;text-decoration:none;font-size:10px;font-weight:600}header>div{display:flex;gap:8px}.button,.watch,.login{border:0;border-radius:7px;padding:11px 19px;text-decoration:none;font-size:10px;font-weight:800}.button{background:#00daa2;color:#043027;box-shadow:0 8px 20px #00c79422}.watch,.login{border:1px solid #cfdbe7;color:#07162e;background:#fff}.hamb{display:none}.hero{min-height:560px;padding:70px max(28px,calc((100vw - 1240px)/2)) 35px;display:grid;grid-template-columns:.8fr 1.2fr;gap:35px;position:relative;background:linear-gradient(110deg,#fff 0 42%,#effbfa)}.hero-copy small,.companion small{font-size:9px;color:#00a67e;font-weight:800;letter-spacing:.11em}.hero-copy h1{font-size:54px;line-height:.98;letter-spacing:-.055em;margin:16px 0}.hero-copy h1 em{font-style:normal;color:#00c791}.hero-copy p{font-size:13px;color:#56708d;line-height:1.65}.hero-actions{display:flex;gap:9px;margin-top:24px}.hero-device{position:relative;display:grid;place-items:center}.hero-device>article{width:92%;height:360px;background:#041929;border:8px solid #162b39;border-radius:13px;box-shadow:0 28px 50px #123b5940;overflow:hidden;transform:perspective(1000px) rotateY(-3deg)}.device-bar{height:44px;display:flex;align-items:center;justify-content:space-between;padding:0 14px;color:white;background:#072235;font-size:10px}.device-bar i{background:#00dfa5;color:#052a23;padding:6px;border-radius:5px;font-style:normal}.device-bar span{background:#0c3044;color:#83a0b5;padding:8px 18px;border-radius:6px}.device-body{display:grid;grid-template-columns:50px 1fr;height:calc(100% - 44px)}.device-body aside{border-right:1px solid #17394b;color:#6f9bae;line-height:48px;text-align:center}.device-body section{padding:30px;color:white}.device-body section b{display:block}.device-body section em{color:#00dda4;font-style:normal}.device-body section strong{font-size:25px}.device-body svg{width:100%;height:220px}.float{position:absolute;background:white;border:1px solid #dbe6ef;border-radius:9px;padding:10px 14px;box-shadow:0 15px 35px #0c355422;display:grid;grid-template-columns:auto 1fr;gap:2px 8px;font-size:10px;z-index:3}.float i{grid-row:1/3;background:#00dfa5;border-radius:6px;padding:8px;font-style:normal}.float small{color:#6d8198;font-size:8px}.float.calc{left:0;top:100px}.float.streak{right:10px;top:0}.float.progress{right:0;bottom:45px}.trust{grid-column:1/-1;display:flex;justify-content:space-around;border-top:1px solid #dce7ef;padding-top:25px;color:#1a755f;font-size:10px}.feature-strip{max-width:1240px;margin:26px auto;display:grid;grid-template-columns:repeat(6,1fr);gap:8px;padding:0 28px}.feature-strip article,.benefits article{background:#fff;border:1px solid #dfe8f1;border-radius:9px;padding:14px;display:grid;gap:6px}.feature-strip i,.benefits i{font-style:normal;font-size:23px;color:#00ba8c}.feature-strip b{font-size:10px}.feature-strip small{font-size:8px;color:#60748d}.companion{max-width:1184px;margin:50px auto;display:grid;grid-template-columns:.7fr 1.3fr;gap:35px;padding:0 28px}.companion h2,.apps h2{font-size:31px;line-height:1.05;margin:10px 0}.companion p,.benefits p{color:#60748d;line-height:1.5;font-size:11px}.benefits{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.benefits strong{display:block;background:#f3f8fb;padding:11px;border-radius:6px;font-size:11px}.apps{max-width:1184px;margin:40px auto;padding:28px;display:grid;grid-template-columns:.7fr 1fr 1fr;gap:35px;align-items:center}.phone{width:220px;height:340px;background:#062033;color:#fff;border:8px solid #102c3c;border-radius:30px;padding:22px;display:grid;align-content:start;gap:8px}.phone em{color:#00dda4;font-style:normal}.phone svg{width:100%;margin-top:25px}.apps ul{padding:0;list-style:none;color:#4f6680;font-size:12px;line-height:2}.apps li:before{content:'✓';color:#00bc8b;margin-right:8px}.apps blockquote{background:#fff;border:1px solid #dfe8f1;border-radius:9px;padding:25px;font-size:13px;line-height:1.55;font-style:italic}.apps blockquote small{display:block;margin-top:15px;color:#60748d}.cta{background:#051b2a;color:white;padding:30px;display:flex;align-items:center;justify-content:center;gap:40px}.cta h2{font-size:25px}footer{background:#031725;color:#dce9f4;min-height:90px;padding:22px max(28px,calc((100vw - 1240px)/2));display:flex;align-items:center;gap:28px;flex-wrap:wrap}footer .brand{color:white}footer p,footer small{font-size:9px;color:#8da5b9}footer nav{display:flex;gap:18px;margin-left:auto}footer nav a{color:#b5c7d5}
@media(prefers-color-scheme:dark){body{background:#031725;color:#effbff}header{background:#031725;border-color:#15374a}.brand,header nav a{color:white}.hero{background:radial-gradient(circle at 75% 35%,#074a4a77,transparent 30%),#031725}.hero-copy p{color:#9db2c4}.watch,.login{background:#061f31;color:white;border-color:#1a4255}.feature-strip article,.benefits article,.apps blockquote{background:#072438;border-color:#183e52}.feature-strip small,.companion p,.benefits p,.apps ul{color:#9db2c4}.benefits strong{background:#092b40}.trust{border-color:#1a4053}.companion small{color:#00dda4}}
@media(max-width:720px){header{height:58px;padding:0 18px}.brand{font-size:15px}.brand span{width:28px;height:28px}header nav,header>div{display:none}.hamb{display:block;margin-left:auto;border:0;background:transparent;color:inherit;font-size:18px}.hero{display:block;padding:52px 20px 25px;min-height:0}.hero-copy h1{font-size:42px}.hero-copy p br{display:none}.hero-actions{display:grid}.hero-actions a{text-align:center}.hero-device{height:390px;margin-top:35px}.hero-device>article{width:100%;height:330px;transform:none}.float.calc{display:none}.float.streak{right:0;top:-10px}.float.progress{right:-4px;bottom:5px}.device-bar span{display:none}.trust{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;text-align:center;padding-top:18px}.feature-strip{grid-template-columns:1fr;margin:12px auto}.feature-strip article{grid-template-columns:auto 1fr auto;align-items:center}.feature-strip i{grid-row:1/3}.feature-strip small{grid-column:2}.companion{grid-template-columns:1fr;margin:30px auto}.benefits{grid-template-columns:1fr}.apps{grid-template-columns:1fr;padding:20px}.phone{margin:auto}.cta{display:grid;text-align:center;gap:5px}.cta h2{font-size:21px}footer{display:grid;text-align:center}footer .brand{justify-content:center}footer nav{margin:0;justify-content:center}}

/* Product device presentation from the approved visual direction */
.device-desktop{width:94%;position:relative;filter:drop-shadow(0 28px 28px rgba(6,39,60,.24));transform:perspective(1100px) rotateY(-3deg)}.laptop-screen{padding:9px;background:linear-gradient(135deg,#182c39,#050e15);border-radius:14px 14px 7px 7px;aspect-ratio:16/10;overflow:hidden}.laptop-screen img{display:block;width:100%;height:100%;object-fit:cover;object-position:top;border-radius:6px}.laptop-base{height:16px;width:108%;margin-left:-4%;background:linear-gradient(#c9d3db,#8898a4);border-radius:2px 2px 18px 18px;position:relative}.laptop-base:after{content:"";position:absolute;width:14%;height:5px;background:#81909a;left:43%;top:0;border-radius:0 0 5px 5px}.device-phone{display:none}.float svg,.trust svg,.feature-strip svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.float .fire{font-style:normal;background:#fff1e7}.float.streak{grid-template-columns:auto 1fr;align-items:center}.trust span{display:flex;align-items:center;justify-content:center;gap:8px}.trust svg{width:22px;height:22px;color:#00b987}.feature-strip article{position:relative;grid-template-columns:auto 1fr auto;align-items:center;column-gap:10px;padding:13px 11px}.feature-strip article i{grid-row:1/3;width:38px;height:38px;border-radius:9px;display:grid;place-items:center}.feature-strip article b,.feature-strip article small{grid-column:2}.feature-strip article>span{grid-column:3;grid-row:1/3;color:#7d91a7}.feature-strip .mint{color:#00ae82;background:#dff9ef}.feature-strip .blue{color:#1f78ff;background:#e4efff}.feature-strip .orange{color:#ff8b21;background:#fff0df}.feature-strip .purple{color:#7c50e9;background:#eee7ff}.feature-strip .violet{color:#a34dea;background:#f4e8ff}.feature-strip .coral{color:#ff673d;background:#ffebe5}
@media(max-width:720px){.hero-device{height:470px;place-items:center}.device-desktop{display:none}.device-phone{display:block;position:relative;width:245px;height:458px;border:9px solid #101922;border-radius:36px;background:#071723;overflow:hidden;box-shadow:0 28px 50px rgba(5,37,55,.28)}.device-phone:before{content:"";position:absolute;inset:0;border:2px solid #39454d;border-radius:27px;pointer-events:none;z-index:2}.phone-notch{position:absolute;z-index:3;width:95px;height:22px;border-radius:0 0 13px 13px;background:#101922;left:50%;transform:translateX(-50%)}.device-phone img{width:100%;height:100%;object-fit:cover;object-position:top}.float.streak{right:-2px;top:24px}.float.progress{display:none}.trust span{display:grid;place-items:center;align-content:start}.trust svg{width:25px;height:25px}.feature-strip article{padding:11px}.feature-strip article i{width:40px;height:40px}.feature-strip article b{font-size:11px}.feature-strip article small{font-size:9px}}

/* Reference-board fidelity: illustrated benefit cards and real device presentation. */
.companion-copy{padding-top:12px}.benefits article{align-content:start;min-height:225px}.benefits i{width:38px;height:38px;border-radius:9px;display:grid;place-items:center}.benefits i svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.benefits .coral{background:#fff0e8}.benefits .mint{background:#dff9ef}.benefits .violet{background:#f2e8ff}.streak-mini,.risk-mini,.progress-mini{margin-top:auto;background:#061c2c;color:#effaff;border-radius:7px;padding:10px}.streak-mini strong{display:block;background:none;padding:0;font-size:10px}.streak-mini span{display:block;color:#00daa2;letter-spacing:.18em;margin-top:9px;font-size:9px}.risk-mini small{display:block;color:#9eb0bf;font-size:7px}.risk-mini strong{display:block;background:transparent;border:1px solid #234254;border-radius:4px;padding:6px;margin:5px 0;font-size:11px}.risk-mini span{display:block;color:#9eb0bf;font-size:7px}.progress-mini{display:grid;grid-template-columns:1fr 1fr;gap:8px}.progress-mini span{display:grid}.progress-mini small{font-size:7px;color:#9eb0bf}.progress-mini strong{background:none;padding:0;font-size:14px;color:#00daa2}.progress-mini svg{grid-column:1/-1;width:100%;height:34px}.progress-mini path{fill:none;stroke:#00daa2;stroke-width:3}.app-device{position:relative;width:220px;height:340px;background:#071723;border:8px solid #10202c;border-radius:30px;overflow:hidden;box-shadow:0 18px 36px #07233a22}.app-device:before{content:"";position:absolute;inset:0;border:2px solid #3b4750;border-radius:21px;z-index:2;pointer-events:none}.app-device .phone-notch{width:82px;height:18px}.app-device img{width:100%;height:100%;object-fit:cover;object-position:top}.store-row{display:flex;gap:7px;margin-top:13px}.store-row span{background:#07131d;color:#fff;border-radius:5px;padding:5px 10px;font-size:6px;line-height:1.05}.store-row b{font-size:10px}
@media(max-width:720px){.companion-copy{text-align:left}.benefits article{min-height:190px}.app-device{margin:auto}.store-row{justify-content:flex-start}}

@media(max-width:720px){.hero-copy p br{display:block}}
@media(max-width:720px){
  .brand{font-size:17px}.brand span{width:32px;height:32px;font-size:16px}.hamb{font-size:22px}
  .hero-copy small,.companion small{font-size:10px}.hero-copy h1{font-size:44px}.hero-copy p{font-size:14px;line-height:1.6}
  .button,.watch,.login{font-size:12px;padding:12px 18px}
  .float{font-size:11px;padding:11px 15px}.float small{font-size:9px}.float i{padding:9px}.float svg{width:23px;height:23px}
  .trust{font-size:10px;line-height:1.35}.trust svg{width:29px;height:29px}
  .feature-strip article{padding:14px}.feature-strip article i{width:46px;height:46px}.feature-strip svg{width:24px;height:24px}.feature-strip article b{font-size:13px}.feature-strip article small{font-size:10px}.feature-strip article>span{font-size:23px}
  .companion h2,.apps h2{font-size:32px}.companion p,.benefits p{font-size:13px}.benefits article>b{font-size:15px}.benefits i{width:44px;height:44px}.benefits i svg{width:25px;height:25px}
  .apps ul{font-size:13px}.apps blockquote{font-size:14px}.cta h2{font-size:23px}
}

/* Approved chart-led product imagery from the supplied TradeDesk boards. */
.laptop-screen img{content:url('assets/workspace-calculator.png');object-position:top}
.app-device img{content:url('assets/workspace-chart-mobile.png');object-position:top}
@media(max-width:720px){.device-phone img{content:url('assets/workspace-calculator-mobile.png');object-position:top}}

/* Keep the six primary reasons to use TradeDesk prominent above the fold. */
.feature-strip{max-width:1280px;margin-top:14px;gap:10px}
.feature-strip article{min-height:90px;padding:15px 13px}.feature-strip article i{width:48px;height:48px}.feature-strip article b{font-size:12px;line-height:1.15}.feature-strip article small{font-size:9px;line-height:1.25}.feature-strip svg{width:25px;height:25px}
@media(min-width:721px){.hero{min-height:505px;padding-top:48px;padding-bottom:24px}.trust{padding-top:18px}.feature-strip{margin-bottom:34px}}
@media(min-width:721px) and (max-width:1000px){header{padding-inline:28px}.hero{grid-template-columns:.76fr 1.24fr;gap:24px;padding-inline:28px}.hero-copy h1{font-size:46px}.device-desktop{width:100%}.feature-strip{padding-inline:28px;gap:7px}.feature-strip article{min-height:96px;padding:12px 9px;column-gap:8px}.feature-strip article i{width:43px;height:43px}.feature-strip article b{font-size:11px}.feature-strip article small{font-size:8px}}
@media(min-width:721px){.feature-strip{grid-template-columns:repeat(6,minmax(0,1fr))}}
.feature-strip article{min-width:0}
@media(max-width:720px){.feature-strip{grid-template-columns:1fr}.feature-strip article{width:100%;min-height:76px;grid-template-columns:auto minmax(0,1fr) auto}.feature-strip article b,.feature-strip article small{white-space:normal;overflow:visible}}
.cta-stores{display:none}
@media(max-width:720px){
  .companion,.apps{display:none}
  .cta{padding:28px 20px 24px;gap:12px}
  .cta-stores{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:7px;margin-top:2px}
  .cta-stores small{flex-basis:100%;color:#9fb5c6;font-size:9px}
  .cta-stores span{background:#020a10;border:1px solid #31414d;border-radius:5px;padding:6px 10px;font-size:9px}
}

/* 2026 visual audit consolidation */
header nav a,footer nav a{font-size:12px}.button,.watch,.login{font-size:12px}.hero-copy small,.companion small{font-size:11px}.hero-copy p{font-size:15px;max-width:560px}.trust{font-size:12px;font-weight:650;color:#137a62}.feature-strip article{min-height:98px}.feature-strip article b{font-size:13px}.feature-strip article small{font-size:11px}.companion p,.benefits p{font-size:14px}.benefits article>b{font-size:15px}.apps ul{font-size:14px}.apps blockquote{font-size:15px;margin:0}.scene-icons small,.store-row span{font-size:10px}.store-row b{font-size:13px}footer{min-height:112px}footer p,footer small{font-size:12px;line-height:1.5}
@media(min-width:721px){.companion{align-items:center}.apps{grid-template-columns:.75fr 1.05fr .9fr;gap:26px}.cta{padding-block:38px}.cta h2{font-size:28px}}
@media(max-width:720px){header{position:sticky}.hero{padding-top:42px}.hero-copy small{font-size:11px}.hero-copy h1{font-size:42px;line-height:1.02}.hero-copy p{font-size:15px}.hero-device{height:430px;margin-top:25px}.device-phone{width:224px;height:414px}.float.streak{right:2px;top:18px}.trust{font-size:11px;gap:12px}.feature-strip{padding-inline:18px}.feature-strip article{min-height:82px}.cta{padding-block:34px}.cta-stores small{font-size:11px}.cta-stores span{font-size:11px;padding:8px 12px}footer{padding:28px 20px}footer p,footer small,footer nav a{font-size:12px}}
/* Match the workspace's unboxed feature icons. */
.feature-strip article>i,.benefits article>i{background:transparent!important;box-shadow:none!important}