@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;html.btb-signature-root 450;500;550;600;650;700&family=Manrope:wght@400;500;550;600;650;700;800&display=swap');
:root{--paper:#f7f8f7;--surface:#fff;--ink:#15171a;--muted:#555b62;--line:#cfd4d8;--gold:#ffbd16;--accent:#9a6100;--blue:#3654b9;--glass:rgba(255,255,255,.18);--glass-edge:rgba(255,255,255,.95);--header:rgba(247,248,247,.88);--soft:#edf0f2;--shadow:0 24px 55px #1c29371c;color-scheme:light}
:root.btb-signature-root[data-theme=dark]{--paper:#111316;--surface:#191d22;--ink:#f1f2ed;--muted:#b4bbc3;--line:#3a4048;--accent:#ffcc4c;--blue:#a9bdff;--glass:rgba(240,246,255,.07);--glass-edge:rgba(239,246,255,.46);--header:rgba(17,19,22,.88);--soft:#1d2229;--shadow:0 24px 55px #0005;color-scheme:dark}
html.btb-signature-root *{box-sizing:border-box}
html.btb-signature-root{scroll-behavior:smooth;scroll-padding-top:132px}
html.btb-signature-root body{margin:0;background:var(--paper);color:var(--ink);font-family:'DM Sans',Arial,sans-serif;font-size:16px;line-height:1.65}
html.btb-signature-root body:has(dialog[open]){overflow:hidden}
html.btb-signature-root a{color:inherit;text-decoration:none}
html.btb-signature-root button,html.btb-signature-root input{font:inherit}
html.btb-signature-root button{cursor:pointer}
html.btb-signature-root img{max-width:100%;display:block}
html.btb-signature-root svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.5;flex-shrink:0}
html.btb-signature-root h1,html.btb-signature-root h2,html.btb-signature-root h3,html.btb-signature-root p,html.btb-signature-root figure{margin:0}
html.btb-signature-root h1,html.btb-signature-root h2,html.btb-signature-root h3{font-family:Manrope,Arial,sans-serif;font-weight:500;letter-spacing:-.055em;line-height:1.13}
html.btb-signature-root h1{font-size:clamp(56px,5.8vw,88px)}
html.btb-signature-root h2{font-size:clamp(38px,4vw,58px)}
html.btb-signature-root h3{font-size:30px}
html.btb-signature-root em{font-family:Georgia,'Times New Roman',serif;font-weight:400;letter-spacing:-.055em}
html.btb-signature-root p{color:var(--muted)}
html.btb-signature-root a:focus-visible,html.btb-signature-root button:focus-visible,html.btb-signature-root summary:focus-visible{outline:3px solid var(--blue);outline-offset:5px}
html.btb-signature-root ::selection{color:#15171a;background:#ffcc4c}
html.btb-signature-root .wrap{max-width:1360px;margin:auto;padding:0 54px}
html.btb-signature-root .section{padding:112px 0}
html.btb-signature-root .eyebrow,html.btb-signature-root .small-label{font-size:10px;font-weight:650;letter-spacing:.16em;line-height:1.6;text-transform:uppercase}
html.btb-signature-root .eyebrow{display:block;color:var(--accent);margin-bottom:26px}
html.btb-signature-root .small-label{color:var(--muted)}
html.btb-signature-root .button{display:inline-flex;align-items:center;justify-content:space-between;gap:26px;background:var(--ink);color:var(--paper);padding:17px 23px;border:1px solid var(--ink);border-radius:9px;font-size:12px;font-weight:600;line-height:1.35;min-height:52px;transition:transform .2s,box-shadow .2s}
html.btb-signature-root .button:hover{transform:translateY(-3px);box-shadow:0 12px 25px #0002}
html.btb-signature-root .button svg{width:18px;height:18px}
html.btb-signature-root .button.gold{background:var(--gold);border-color:var(--gold);color:#15171a}
html.btb-signature-root .text-button{display:inline-flex;align-items:center;justify-content:space-between;gap:24px;border:0;border-bottom:1px solid var(--line);background:none;color:var(--ink);padding:15px 0;font-size:12px;font-weight:600;line-height:1.45}
html.btb-signature-root .text-button svg{width:17px;height:17px;transition:transform .2s}
html.btb-signature-root .text-button:hover svg{transform:translate(3px,-3px)}
html.btb-signature-root .skip{position:fixed;z-index:200;top:-100px;left:20px;background:var(--surface);padding:14px}
html.btb-signature-root .skip:focus{top:10px}
html.btb-signature-root .status-dot{display:inline-block;width:6px;height:6px;background:var(--gold);border-radius:50%;box-shadow:0 0 0 4px #ffbd1620;flex-shrink:0}
html.btb-signature-root .site-header{position:sticky;top:0;z-index:30;background:var(--header);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--line)}
html.btb-signature-root .contact-rail{padding:7px 42px;max-width:1500px;margin:auto;display:flex;justify-content:space-between;font-size:10px;line-height:1.6}
html.btb-signature-root .contact-rail>span{letter-spacing:.1em;text-transform:uppercase;font-size:9px;color:var(--muted)}
html.btb-signature-root .contact-rail>div{display:flex;gap:24px}
html.btb-signature-root .contact-rail a:hover{text-decoration:underline}
html.btb-signature-root .nav-wrap{padding:18px 42px;display:flex;align-items:center;justify-content:space-between;gap:28px;max-width:1500px;margin:auto;border-top:1px solid var(--line)}
html.btb-signature-root .brand-logo{width:183px;display:flex;flex-direction:column;gap:3px;flex-shrink:0}
html.btb-signature-root .brand-logo img{width:100%;height:auto}
html.btb-signature-root .academy-label{text-align:right;font-size:8px;letter-spacing:.36em;padding-right:6px}
html.btb-signature-root .desktop-nav{display:flex;gap:28px;align-items:center;font-size:12px}
html.btb-signature-root .desktop-nav a{border-bottom:1px solid transparent}
html.btb-signature-root .desktop-nav a:hover{border-color:var(--accent)}
html.btb-signature-root .nav-actions{display:flex;align-items:center;gap:22px}
html.btb-signature-root .nav-consult{min-height:42px;padding:11px 17px;font-size:11px}
html.btb-signature-root .theme-switch{display:flex;align-items:center;gap:7px;background:transparent;border:0;color:var(--ink);padding:8px;font-size:10px}
html.btb-signature-root .theme-switch svg{width:19px;height:19px}
html.btb-signature-root .menu-trigger{display:none}
html.btb-signature-root .menu-drawer{margin:0 0 0 auto;height:100dvh;max-height:100dvh;width:min(430px,100%);max-width:100%;border:0;border-left:1px solid var(--line);padding:30px;background:var(--paper);color:var(--ink)}
html.btb-signature-root .menu-drawer[open]{display:flex;flex-direction:column}
html.btb-signature-root .menu-drawer::backdrop{background:#10172266;backdrop-filter:blur(10px)}
html.btb-signature-root .drawer-top{display:flex;align-items:center;justify-content:space-between;gap:15px;font-size:9px;letter-spacing:.1em}
html.btb-signature-root .drawer-close,html.btb-signature-root .dialog-close{border:0;background:none;color:var(--ink);font-size:12px;padding:12px 0}
html.btb-signature-root .drawer-close span,html.btb-signature-root .dialog-close span{font-size:24px;vertical-align:middle;margin-left:12px}
html.btb-signature-root .menu-drawer nav{display:flex;flex-direction:column;align-items:flex-end;gap:0;margin:36px 0;text-align:right}
html.btb-signature-root .menu-drawer nav a{font-family:Manrope,Arial,sans-serif;font-size:26px;letter-spacing:-.04em;padding:10px 0;line-height:1.3}
html.btb-signature-root .drawer-bottom{margin-top:auto;text-align:right;display:flex;flex-direction:column;gap:12px;font-size:12px}
html.btb-signature-root .drawer-bottom .button{margin-top:20px;width:100%;font-size:13px;padding:20px;min-height:65px}
html.btb-signature-root .hero{position:relative;overflow:hidden;background:radial-gradient(ellipse at 95% 70%,#a3b8cb1a,transparent 52%),var(--paper)}
html.btb-signature-root .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:22px;align-items:center;min-height:660px;padding-top:54px;padding-bottom:45px}
html.btb-signature-root .hero-copy{position:relative;z-index:3}
html.btb-signature-root .hero-copy .eyebrow{font-size:9px;letter-spacing:.15em;margin-bottom:26px}
html.btb-signature-root .hero-copy h1 em{color:var(--accent)}
html.btb-signature-root .hero-copy>p{font-size:16px;line-height:1.8;max-width:475px;margin:28px 0}
html.btb-signature-root .hero-actions{display:flex;gap:25px;align-items:center;flex-wrap:wrap}
html.btb-signature-root .programme-link{display:flex;align-items:center;gap:12px;width:fit-content;font-size:10px;margin-top:32px;color:var(--muted)}
html.btb-signature-root .programme-link svg{width:13px;height:13px}
html.btb-signature-root .hero-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding-top:22px;padding-bottom:22px;font-size:9px;font-weight:600;letter-spacing:.1em;color:var(--muted)}
html.btb-signature-root .hero-bottom a{color:var(--ink);display:flex;align-items:center;gap:25px}
html.btb-signature-root .hero-bottom a span{font-size:20px}
html.btb-signature-root .hero-art{height:550px;position:relative;isolation:isolate;min-width:0}
html.btb-signature-root .art-grid{position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:82px 82px;opacity:.23;mask-image:radial-gradient(ellipse,black,transparent 70%)}
html.btb-signature-root .colour-field{position:absolute;z-index:-1}
html.btb-signature-root .field-one{left:17%;top:9%;width:68%;height:75%;background:linear-gradient(145deg,#ffe680,#ffbc03 53%,#cf8c04);border-radius:48% 52% 37% 63% / 37% 45% 55% 63%;transform:rotate(24deg)}
html.btb-signature-root .field-two{bottom:16%;right:-3%;width:45%;height:45%;border-radius:50%;background:radial-gradient(circle at 30% 40%,#d8ecff,#7a9cdf 50%,#2654ae);filter:blur(27px);opacity:.57}
html.btb-signature-root .orbit-line{position:absolute;inset:0 -2% 5% 1%;border:1px solid #a19b7a66;border-radius:50%;transform:rotate(-30deg)}
html.btb-signature-root .unicorn-shadow{position:absolute;top:9%;left:9%;width:84%;height:83%;object-fit:contain;filter:brightness(.09) drop-shadow(14px 26px 15px #10212c26);animation:unicorn-drift 8s ease-in-out infinite alternate;z-index:1}
html.btb-signature-root .glass{background:linear-gradient(135deg,#ffffff42 0%,#ffffff06 35%,#ffffff1c 67%,#ffffff5c 100%);border:1px solid var(--glass-edge);box-shadow:inset 1px 1px 1px #ffffffc9,inset -1px -1px 2px #ffffff70,0 15px 32px #2832431a;backdrop-filter:blur(8px) saturate(130%);-webkit-backdrop-filter:blur(8px) saturate(130%);border-radius:24px}
html.btb-signature-root .slab{position:absolute;z-index:2;overflow:hidden;transform-origin:center}
html.btb-signature-root .slab-back{inset:7% 10% 15% 12%;transform:rotate(12deg);border-radius:38px;backdrop-filter:blur(2px);-webkit-backdrop-filter:blur(2px);animation:back-drift 10s ease-in-out infinite alternate}
html.btb-signature-root .slab-front{left:1%;right:13%;bottom:9%;padding:26px 30px 28px;min-height:220px;transform:rotate(-9deg);animation:front-drift 8s ease-in-out infinite alternate;background:linear-gradient(120deg,#ffffff6b,#ffffff06 65%,#ffffff34);backdrop-filter:blur(7px) saturate(140%);-webkit-backdrop-filter:blur(7px) saturate(140%);color:#15171a}
html.btb-signature-root .glass-index{display:block;font-size:8px;font-weight:600;letter-spacing:.17em;position:relative;z-index:2}
html.btb-signature-root .slab-front strong{font-family:Manrope,Arial,sans-serif;font-size:32px;letter-spacing:-.045em;line-height:1.12;display:block;margin-top:16px;position:relative;z-index:2;font-weight:500}
html.btb-signature-root .glass-marker{position:absolute;right:25px;bottom:27px;border:1px solid #1115;border-radius:50%;width:43px;height:43px;display:grid;place-content:center}
html.btb-signature-root .slab-reflection{position:absolute;inset:-100%;background:linear-gradient(116deg,transparent 44%,#fff0 46%,#ffffffb3 49%,#ffffff10 52%,transparent 56%);transform:translateX(-35%);animation:reflect 9s linear infinite;pointer-events:none;opacity:.7}
html.btb-signature-root .art-coordinate{position:absolute;bottom:0;left:7%;font-size:8px;letter-spacing:.15em}
html.btb-signature-root .art-brand-label{position:absolute;right:2%;top:3%;font-size:10px;letter-spacing:.15em}
html.btb-signature-root .academy-art .field-one{background:linear-gradient(145deg,#dcf5ff,#8aaceb 53%,#4058b7)}
html.btb-signature-root .academy-art .field-two{background:radial-gradient(circle,#ffe6a2,#e4bd40 65%,transparent)}
html.btb-signature-root .academy-art .slab-front{min-height:180px;bottom:12%}
html.btb-signature-root .academy .hero-copy h1 em{color:var(--blue)}
html.btb-signature-root .guide-line{font-size:10px;color:var(--muted);display:flex;gap:12px;align-items:center;margin-top:32px}
@keyframes unicorn-drift{from{transform:translate(0,-10px) rotate(-3deg)}to{transform:translate(9px,12px) rotate(2deg)}}
@keyframes back-drift{from{transform:translate(4px,8px) rotate(12deg)}to{transform:translate(-9px,-12px) rotate(7deg)}}
@keyframes front-drift{from{transform:translate(0,10px) rotate(-9deg)}to{transform:translate(8px,-12px) rotate(-5deg)}}
@keyframes reflect{from{transform:translateX(-40%)}to{transform:translateX(40%)}}
@keyframes ring-drift{from{transform:rotate(-25deg)}to{transform:rotate(-10deg)}}
html.btb-signature-root .section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:60px;margin-bottom:55px}
html.btb-signature-root .section-heading>p,html.btb-signature-root .section-heading>div:last-child:not(:first-child){max-width:370px}
html.btb-signature-root .section-heading p{font-size:15px;line-height:1.85}
html.btb-signature-root .section-heading .eyebrow{margin-bottom:20px}
html.btb-signature-root .services{display:grid;grid-template-columns:repeat(3,1fr);gap:42px}
html.btb-signature-root .services article{border-top:1px solid var(--line);padding-top:24px;display:flex;align-items:flex-start;flex-direction:column;min-width:0}
html.btb-signature-root .service-index{font-size:9px;letter-spacing:.12em;color:var(--accent);margin-bottom:34px}
html.btb-signature-root .services h3{font-size:30px;margin-bottom:22px}
html.btb-signature-root .services p{font-size:14px;line-height:1.85;margin-bottom:20px}
html.btb-signature-root .services .text-button{margin-top:auto;width:100%}
html.btb-signature-root .programme{background:#171a1e;color:#f2f3ee;padding:100px 0;position:relative;overflow:hidden}
html.btb-signature-root .programme-grid{display:grid;grid-template-columns:1fr 1fr;gap:100px;align-items:center}
html.btb-signature-root .programme .eyebrow{color:#e7bc59}
html.btb-signature-root .programme p{color:#b9bfc7;font-size:15px;margin:28px 0;max-width:460px}
html.btb-signature-root .programme h2 em{color:#f1cf7b}
html.btb-signature-root .programme-art{position:relative;min-height:460px;display:flex;flex-direction:column;justify-content:center;isolation:isolate}
html.btb-signature-root .programme-art:before{content:'';position:absolute;width:320px;height:320px;left:9%;top:10%;border-radius:50%;background:radial-gradient(circle,#b99b5133,transparent 70%);z-index:-1}
html.btb-signature-root .programme-art>.small-label{color:#c1c4cb;font-size:8px;position:absolute;top:0;left:0}
html.btb-signature-root .ninety{font-size:clamp(160px,19vw,275px);font-family:Manrope,Arial,sans-serif;font-weight:400;line-height:1;letter-spacing:-.09em;color:#d8dde1}
html.btb-signature-root .ninety>span{font-size:12px;letter-spacing:.28em;margin-left:22px;vertical-align:middle;color:#d9bb75}
html.btb-signature-root .programme-glass{padding:28px 32px;transform:rotate(-6deg);position:relative;z-index:2;margin-top:-14px;width:92%;border-color:#dce6f365;background:linear-gradient(120deg,#ffffff1f,#ffffff04);color:#f6f4ed}
html.btb-signature-root .programme-glass>span{font-size:8px;letter-spacing:.18em;display:block;margin-bottom:8px}
html.btb-signature-root .programme-glass strong{font-weight:500;font-size:19px;letter-spacing:-.03em}
html.btb-signature-root .programme-ring{position:absolute;inset:8% 12% 0 -10%;border:1px solid #d8c8964f;border-radius:50%;transform:rotate(-20deg);z-index:-1;animation:ring-drift 12s ease-in-out infinite alternate}
html.btb-signature-root .programme-steps{display:flex;gap:19px;font-size:10px;margin:25px 0 32px;flex-wrap:wrap}
html.btb-signature-root .programme-steps b{font-weight:500;color:#efc361;margin-right:7px}
html.btb-signature-root .programme .fine-print{font-size:10px;margin:16px 0 0}
html.btb-signature-root .creative-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:85px;align-items:center}
html.btb-signature-root .creative-canvas{position:relative;min-height:490px;border-radius:8px;background:linear-gradient(125deg,#e9eef0,#cbd6dd);isolation:isolate;overflow:hidden}
html.btb-signature-root .story-type{font:600 90px/.87 Manrope,Arial,sans-serif;letter-spacing:-.07em;color:#282d33;position:absolute;top:48px;left:38px}
html.btb-signature-root .story-type em{color:#725b2d;font-size:1.1em}
html.btb-signature-root .story-frame{position:absolute;left:22%;right:5%;bottom:17%;padding:32px;transform:rotate(9deg);border-radius:10px;background:#ffffff14;backdrop-filter:blur(5px);-webkit-backdrop-filter:blur(5px)}
html.btb-signature-root .story-frame>span:first-child{font-size:8px;letter-spacing:.17em;color:#242a32}
html.btb-signature-root .story-frame strong{display:block;font-size:22px;line-height:1.35;font-weight:500;color:#15171a;margin-top:35px}
html.btb-signature-root .frame-corners{position:absolute;inset:16px;border:1px solid #28324255}
html.btb-signature-root .canvas-caption{position:absolute;bottom:24px;left:38px;letter-spacing:.15em;font-size:8px;color:#303a45}
html.btb-signature-root .creative-options article,html.btb-signature-root .method-list article{display:flex;gap:28px;padding:25px 0;border-top:1px solid var(--line)}
html.btb-signature-root .creative-options article>span,html.btb-signature-root .method-list article>span{font-size:10px;color:var(--accent);padding-top:4px}
html.btb-signature-root .creative-options h3,html.btb-signature-root .method-list h3{font-size:23px;letter-spacing:-.035em}
html.btb-signature-root .creative-options p,html.btb-signature-root .method-list p{font-size:14px;margin-top:12px;line-height:1.85}
html.btb-signature-root .creative-options .text-button{margin-top:14px}
html.btb-signature-root .quick-section{background:var(--soft)}
html.btb-signature-root .quick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
html.btb-signature-root .quick-card{background:var(--surface);border:1px solid var(--line);border-radius:14px;overflow:hidden;display:flex;flex-direction:column}
html.btb-signature-root .quick-art{height:230px;position:relative;overflow:hidden;background:#e7e2d3}
html.btb-signature-root .quick-symbol{font:500 145px/1 Manrope,Arial,sans-serif;letter-spacing:-.09em;color:#24282f;position:absolute;left:25px;top:20px}
html.btb-signature-root .mini-lens{position:absolute;bottom:30px;left:12%;right:7%;padding:20px 24px;transform:rotate(-8deg);display:flex;justify-content:space-between;font-size:14px;color:#161a20;backdrop-filter:blur(5px);-webkit-backdrop-filter:blur(5px);border-radius:14px}
html.btb-signature-root .art-review{background:#cbd9e8}
html.btb-signature-root .art-workflow{background:#d7dfd8}
html.btb-signature-root .quick-content{padding:28px;display:flex;flex-direction:column;flex:1}
html.btb-signature-root .quick-content h3{font-size:25px;line-height:1.2;margin:17px 0}
html.btb-signature-root .quick-content p{font-size:13px;line-height:1.8;margin-bottom:24px}
html.btb-signature-root .quick-content .text-button{width:100%;margin-top:auto}
html.btb-signature-root .quick-content .small-label{font-size:8px}
html.btb-signature-root .collection-note{font-size:11px;margin-top:23px;color:var(--muted)}
html.btb-signature-root .about-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:100px;align-items:center}
html.btb-signature-root .portrait{position:relative;min-width:0}
html.btb-signature-root .portrait>img{border-radius:8px;width:100%;height:auto;object-fit:cover}
html.btb-signature-root .portrait figcaption{position:absolute;bottom:24px;left:24px;right:24px;padding:20px 24px;border-radius:14px;background:linear-gradient(130deg,#ffffff85,#ffffff26);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);color:#161a20}
html.btb-signature-root .portrait figcaption span{display:block;font-size:8px;letter-spacing:.14em;margin-bottom:4px}
html.btb-signature-root .portrait figcaption strong{font-weight:500;font-size:17px}
html.btb-signature-root .about h2{font-size:clamp(35px,3.5vw,48px);line-height:1.18}
html.btb-signature-root .about-copy>p{font-size:14px;line-height:1.9;margin-top:24px}
html.btb-signature-root .credentials{display:flex;flex-direction:column;gap:7px;border-left:2px solid var(--gold);padding-left:18px;margin:28px 0 16px;font-size:10px;line-height:1.7;color:var(--muted)}
html.btb-signature-root .academy-invitation{padding:70px 0;background:#e1e7ee;color:#182129;border-top:1px solid #fff;border-bottom:1px solid #b4c0cc}
html.btb-signature-root .academy-invitation .eyebrow{color:#40506d}
html.btb-signature-root .academy-invitation .wrap>div{display:flex;align-items:center;justify-content:space-between;gap:50px}
html.btb-signature-root .academy-invitation h2{font-size:clamp(33px,3.4vw,48px)}
html.btb-signature-root .academy-invitation .button{background:#182129;color:#fff;flex-shrink:0}
html.btb-signature-root .editorial-grid{display:grid;grid-template-columns:1fr 1fr;gap:100px;align-items:center}
html.btb-signature-root .editorial-title h2{font-size:64px}
html.btb-signature-root .editorial-rule{display:block;width:80px;height:2px;background:var(--gold);margin-top:35px}
html.btb-signature-root .editorial-grid>div:last-child>p{font-family:Georgia,serif;font-size:28px;line-height:1.5;color:var(--ink);margin-top:20px}
html.btb-signature-root .editorial-grid .editorial-description{font-family:inherit!important;font-size:14px!important;color:var(--muted)!important;line-height:1.85!important}
html.btb-signature-root .editorial .text-button{margin-top:18px}
html.btb-signature-root .closing{text-align:center;background:radial-gradient(ellipse at 0% 100%,#ffcc4c25,transparent 60%),radial-gradient(ellipse at 100% 0%,#91b4e62e,transparent 60%),var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
html.btb-signature-root .closing .wrap{max-width:900px}
html.btb-signature-root .closing h2{font-size:clamp(40px,4.4vw,64px)}
html.btb-signature-root .closing p{max-width:520px;margin:25px auto 32px;font-size:15px}
html.btb-signature-root footer{padding:70px 0 0}
html.btb-signature-root .footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr;gap:70px}
html.btb-signature-root .footer-brand img{width:180px;height:auto;margin-bottom:30px}
html.btb-signature-root .footer-brand p{font-size:22px;line-height:1.4;letter-spacing:-.035em;color:var(--ink);margin-bottom:25px}
html.btb-signature-root .footer-brand .small-label{font-size:8px}
html.btb-signature-root .footer-grid h3{font-family:inherit;font-size:11px;font-weight:600;letter-spacing:0;margin-bottom:22px}
html.btb-signature-root .footer-grid>div:not(:first-child)>a{display:flex;align-items:center;gap:8px;width:fit-content;font-size:12px;margin-bottom:13px;color:var(--muted)}
html.btb-signature-root .footer-grid>div:not(:first-child)>a:hover{color:var(--ink)}
html.btb-signature-root .footer-grid svg{width:13px;height:13px}
html.btb-signature-root .footer-bottom{border-top:1px solid var(--line);margin-top:50px;padding-top:23px;padding-bottom:25px;display:flex;justify-content:space-between;font-size:9px;color:var(--muted);gap:20px}
html.btb-signature-root .footer-bottom>div{display:flex;gap:25px;flex-wrap:wrap}
html.btb-signature-root .preview-disclosure{font-size:9px;text-align:center;padding:13px 20px;border-top:1px solid var(--line);background:var(--soft)}
html.btb-signature-root .motion-control{position:fixed;z-index:25;bottom:20px;left:22px;display:flex;gap:10px;align-items:center;padding:10px 15px;border:1px solid var(--line);background:var(--header);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);color:var(--ink);border-radius:25px;font-size:10px;box-shadow:0 6px 15px #0001}
html.btb-signature-root .motion-icon{font-size:13px;width:12px;text-align:center}
html.btb-signature-root.motion-paused *,html.btb-signature-root.motion-paused *:before,html.btb-signature-root.motion-paused *:after{animation-play-state:paused!important}
html.btb-signature-root .detail-dialog{margin:auto;border:1px solid var(--line);background:var(--paper);color:var(--ink);border-radius:22px;max-width:620px;width:calc(100% - 32px);max-height:90dvh;padding:25px 38px 38px;box-shadow:0 30px 120px #0005}
html.btb-signature-root .detail-dialog::backdrop{background:#0c111a66;backdrop-filter:blur(10px)}
html.btb-signature-root .dialog-close{display:block;margin-left:auto}
html.btb-signature-root .dialog-content .eyebrow{margin-top:10px;margin-bottom:17px}
html.btb-signature-root .detail-dialog h2{font-size:39px;margin-bottom:22px}
html.btb-signature-root .detail-dialog p,html.btb-signature-root .detail-dialog li{font-size:14px;line-height:1.8;color:var(--muted)}
html.btb-signature-root .detail-dialog ul{padding-left:20px;margin:20px 0}
html.btb-signature-root .detail-dialog li{margin:8px 0}
html.btb-signature-root .dialog-meta{font-size:11px;background:var(--soft);border-radius:8px;padding:14px 18px;margin:22px 0}
html.btb-signature-root .detail-dialog .dialog-note{font-size:10px;margin-top:16px}
html.btb-signature-root .filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:35px}
html.btb-signature-root .filters button{font-size:12px;padding:11px 18px;border:1px solid var(--line);border-radius:50px;background:none;color:var(--ink)}
html.btb-signature-root .filters button[aria-pressed=true]{color:var(--paper);background:var(--ink);border-color:var(--ink)}
html.btb-signature-root .learning-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
html.btb-signature-root .learning-card{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--surface);display:flex;flex-direction:column}
html.btb-signature-root .learning-card[hidden]{display:none}
html.btb-signature-root .learning-art{height:250px;position:relative;background:#cbdbea;overflow:hidden}
html.btb-signature-root .learning-art>span{position:absolute;left:28px;top:4px;font:italic 135px/1.3 Georgia,serif;letter-spacing:-.08em;color:#1c2b3d}
html.btb-signature-root .learning-lens{position:absolute;left:8%;right:9%;bottom:24px;transform:rotate(-9deg);padding:22px 17px;font-size:8px;letter-spacing:.1em;color:#18232b;backdrop-filter:blur(5px);-webkit-backdrop-filter:blur(5px);border-radius:15px}
html.btb-signature-root .art-brand{background:#e7dbb7}
html.btb-signature-root .art-content{background:#c9dacf}
html.btb-signature-root .learning-card>div:last-child{padding:28px;display:flex;flex-direction:column;flex:1}
html.btb-signature-root .learning-card h3{font-size:27px;margin:15px 0 20px}
html.btb-signature-root .learning-card p{font-size:14px;margin-bottom:20px}
html.btb-signature-root .learning-card .small-label{font-size:8px}
html.btb-signature-root .learning-card .text-button{width:100%;margin-top:auto}
html.btb-signature-root .method-list article{border-color:#4b5058;padding:25px 0}
html.btb-signature-root .method-list article>span{color:#edc97d}
html.btb-signature-root .method-list p{margin:12px 0 0}
html.btb-signature-root .academy-method h2{font-size:60px}
html.btb-signature-root .team-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:100px;align-items:center}
html.btb-signature-root .team-grid>div>p{max-width:470px;margin:26px 0;font-size:15px}
html.btb-signature-root .team-topics>span{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:25px 0;border-bottom:1px solid var(--line);font-size:17px;letter-spacing:-.025em}
html.btb-signature-root .team-topics p{font-size:11px!important}
html.btb-signature-root .faq-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:100px}
html.btb-signature-root details{border-bottom:1px solid var(--line);padding:22px 0}
html.btb-signature-root details:first-child{border-top:1px solid var(--line)}
html.btb-signature-root summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:25px;font-size:14px;font-weight:500}
html.btb-signature-root summary::-webkit-details-marker{display:none}
html.btb-signature-root summary svg{width:18px;height:18px}
html.btb-signature-root details[open] summary svg{transform:rotate(45deg)}
html.btb-signature-root details p{padding:18px 25px 5px 0;font-size:13px;line-height:1.9}
html.btb-signature-root details p a{text-decoration:underline}
html.btb-signature-root .inner-hero{padding:100px 0 80px;position:relative;overflow:hidden;border-bottom:1px solid var(--line);background:radial-gradient(ellipse at 95% 0%,#d6e5f666,transparent 60%),var(--paper)}
html.btb-signature-root .inner-hero h1{max-width:950px;font-size:clamp(52px,6.6vw,95px)}
html.btb-signature-root .inner-hero h1 em{color:var(--accent)}
html.btb-signature-root .inner-hero .wrap{position:relative;z-index:2}
html.btb-signature-root .inner-hero-bottom{display:flex;justify-content:space-between;align-items:center;gap:40px;margin-top:40px}
html.btb-signature-root .inner-hero-bottom p{max-width:540px;font-size:17px}
html.btb-signature-root .inner-outline{position:absolute;font:400 350px/.9 Manrope,Arial,sans-serif;letter-spacing:-.12em;right:40px;bottom:-15px;color:transparent;-webkit-text-stroke:1px var(--line);opacity:.6}
html.btb-signature-root .quick-how{background:var(--soft)}
html.btb-signature-root .referral-banner{display:flex;align-items:center;justify-content:space-between;gap:60px}
html.btb-signature-root .referral-notice{margin-top:65px;padding:35px;background:var(--soft);border:1px solid var(--line);max-width:770px}
html.btb-signature-root .referral-notice strong{font-size:17px;font-weight:500}
html.btb-signature-root .referral-notice p{font-size:14px;margin-top:12px;max-width:600px}
html.btb-signature-root .referral-notice .text-button{margin-top:12px}
html.btb-signature-root .dashboard-link{text-align:center}
html.btb-signature-root .dashboard-link p{margin:24px 0}
html.btb-signature-root .referrals .inner-hero{background:radial-gradient(ellipse at 95% 0%,#f0d89655,transparent 65%),var(--paper)}
html.btb-signature-root[data-theme=dark] .brand-logo img,html.btb-signature-root[data-theme=dark] .footer-brand img{filter:grayscale(1) brightness(0) invert(1)}
html.btb-signature-root[data-theme=dark] .hero{background:radial-gradient(ellipse at 95% 70%,#8fa8c811,transparent 55%),var(--paper)}
html.btb-signature-root[data-theme=dark] .field-one{opacity:.82}
html.btb-signature-root[data-theme=dark] .slab-front{background:linear-gradient(120deg,#ffffff6b,#ffffff12 65%,#ffffff4d);color:#10141b}
html.btb-signature-root[data-theme=dark] .slab-back{background:linear-gradient(135deg,#ffffff15,#ffffff05)}
html.btb-signature-root[data-theme=dark] .programme{background:#1d2025}
html.btb-signature-root[data-theme=dark] .academy-invitation{background:#252f3d;color:#f1f3f9;border-color:#47505e}
html.btb-signature-root[data-theme=dark] .academy-invitation .eyebrow{color:#bed1f2}
html.btb-signature-root[data-theme=dark] .academy-invitation .button{background:#e5ecf5;color:#11151b}
html.btb-signature-root[data-theme=dark] .inner-hero{background:radial-gradient(ellipse at 95% 0%,#29384999,transparent 60%),var(--paper)}
html.btb-signature-root[data-theme=dark] .referrals .inner-hero{background:radial-gradient(ellipse at 95% 0%,#59472955,transparent 60%),var(--paper)}
@media(min-width:1550px){html.btb-signature-root .hero-grid{min-height:740px}
html.btb-signature-root .hero-art{height:600px}
html.btb-signature-root .wrap{max-width:1450px}
}
@media(max-width:1150px){html.btb-signature-root .wrap{padding-left:36px;padding-right:36px}
html.btb-signature-root .nav-wrap{padding:17px 28px;gap:18px}
html.btb-signature-root .contact-rail{padding-left:28px;padding-right:28px}
html.btb-signature-root .desktop-nav{gap:19px}
html.btb-signature-root .brand-logo{width:165px}
html.btb-signature-root .nav-actions{gap:12px}
html.btb-signature-root .hero-grid{min-height:650px}
html.btb-signature-root .hero-art{height:500px}
html.btb-signature-root .hero-copy h1{font-size:66px}
html.btb-signature-root .hero-copy .eyebrow{max-width:330px}
html.btb-signature-root .hero-actions{gap:15px}
html.btb-signature-root .hero-actions .button{padding:16px 18px}
html.btb-signature-root .hero-actions .text-button{font-size:11px}
html.btb-signature-root .programme-grid,html.btb-signature-root .about-grid,html.btb-signature-root .creative-grid,html.btb-signature-root .team-grid,html.btb-signature-root .editorial-grid{gap:55px}
html.btb-signature-root .services{gap:28px}
html.btb-signature-root .hero-bottom{font-size:8px}
html.btb-signature-root .slab-front strong{font-size:28px}
html.btb-signature-root .slab-front{padding:25px;min-height:205px}
html.btb-signature-root .programme-steps{gap:12px}
html.btb-signature-root .story-type{font-size:80px}
html.btb-signature-root .footer-grid{gap:45px}
}
@media(max-width:950px){html.btb-signature-root .desktop-nav,html.btb-signature-root .nav-consult{display:none}
html.btb-signature-root .menu-trigger{display:flex;align-items:center;gap:12px;border:0;background:none;color:var(--ink);font-size:12px;padding:10px 0 10px 12px}
html.btb-signature-root .menu-lines{width:20px;height:9px;border-top:1px solid currentColor;border-bottom:1px solid currentColor}
html.btb-signature-root .hero-copy h1{font-size:55px}
html.btb-signature-root .hero-art{height:445px}
html.btb-signature-root .hero-grid{gap:10px;min-height:570px}
html.btb-signature-root .hero-copy>p{font-size:14px;max-width:380px}
html.btb-signature-root .hero-actions .text-button{padding:8px 0}
html.btb-signature-root .slab-front{min-height:180px;padding:22px;left:-3%;right:4%}
html.btb-signature-root .slab-front strong{font-size:26px}
html.btb-signature-root .hero-bottom>span:nth-child(2){display:none}
html.btb-signature-root .section{padding:85px 0}
html.btb-signature-root .section-heading{gap:40px}
html.btb-signature-root .section-heading>p,html.btb-signature-root .section-heading>div:last-child:not(:first-child){max-width:290px}
html.btb-signature-root .services h3{font-size:26px}
html.btb-signature-root .programme-grid{gap:40px}
html.btb-signature-root .programme-art{min-height:380px}
html.btb-signature-root .programme-copy h2{font-size:42px}
html.btb-signature-root .programme-steps{font-size:9px}
html.btb-signature-root .programme-glass{padding:24px}
html.btb-signature-root .programme-glass strong{font-size:16px}
html.btb-signature-root .quick-content,html.btb-signature-root .learning-card>div:last-child{padding:22px}
html.btb-signature-root .quick-content h3,html.btb-signature-root .learning-card h3{font-size:23px}
html.btb-signature-root .quick-grid,html.btb-signature-root .learning-grid{gap:16px}
html.btb-signature-root .creative-grid,html.btb-signature-root .about-grid{gap:40px}
html.btb-signature-root .creative-canvas{min-height:440px}
html.btb-signature-root .story-type{font-size:68px;left:25px}
html.btb-signature-root .story-frame{left:14%;padding:25px}
html.btb-signature-root .story-frame strong{font-size:21px}
html.btb-signature-root .about h2{font-size:35px}
html.btb-signature-root .about-copy>p{font-size:13px}
html.btb-signature-root .editorial-grid{gap:50px}
html.btb-signature-root .editorial-title h2{font-size:55px}
html.btb-signature-root .editorial-grid>div:last-child>p{font-size:24px}
html.btb-signature-root .footer-grid{gap:30px}
html.btb-signature-root .footer-grid>div:not(:first-child)>a{font-size:11px}
html.btb-signature-root .footer-bottom>div{gap:16px}
html.btb-signature-root .team-grid{gap:45px}
html.btb-signature-root .academy-method h2{font-size:50px}
html.btb-signature-root .faq-grid{gap:50px}
}
@media(max-width:700px){html.btb-signature-root{scroll-padding-top:106px}
html.btb-signature-root .wrap{padding-left:24px;padding-right:24px}
html.btb-signature-root .contact-rail{padding:7px 20px;font-size:9px;justify-content:center}
html.btb-signature-root .contact-rail>span{display:none}
html.btb-signature-root .contact-rail>div{justify-content:space-between;width:100%;gap:10px}
html.btb-signature-root .nav-wrap{padding:16px 22px;gap:12px}
html.btb-signature-root .brand-logo{width:150px}
html.btb-signature-root .academy .brand-logo{width:139px}
html.btb-signature-root .academy-label{font-size:7px}
html.btb-signature-root .nav-actions{gap:8px}
html.btb-signature-root .theme-switch{padding:6px}
html.btb-signature-root .theme-word{display:none}
html.btb-signature-root .menu-trigger{font-size:11px;padding-left:8px;gap:10px}
html.btb-signature-root .hero-grid{grid-template-columns:minmax(0,1fr);padding-top:43px;padding-bottom:24px;gap:20px;min-height:0}
html.btb-signature-root .hero-copy h1{font-size:clamp(49px,10.5vw,72px);line-height:1.08;letter-spacing:-.055em}
html.btb-signature-root .hero-copy .eyebrow{font-size:8px;letter-spacing:.12em;max-width:none;margin-bottom:23px}
html.btb-signature-root .hero-copy>p{font-size:14px;line-height:1.8;margin:22px 0;max-width:470px}
html.btb-signature-root .hero-actions{gap:17px;align-items:flex-start}
html.btb-signature-root .hero-actions .button{font-size:11px;min-height:50px;padding:15px 18px;gap:18px}
html.btb-signature-root .hero-actions .text-button{padding:16px 0;font-size:11px}
html.btb-signature-root .programme-link{font-size:9px;margin-top:25px;gap:10px}
html.btb-signature-root .hero-art{height:400px;max-width:460px;width:100%;margin:6px auto 0}
html.btb-signature-root .slab-front{left:3%;right:10%;min-height:180px;padding:22px;bottom:10%}
html.btb-signature-root .slab-front strong{font-size:28px}
html.btb-signature-root .glass-index{font-size:7px}
html.btb-signature-root .art-coordinate{font-size:7px}
html.btb-signature-root .art-brand-label{font-size:8px}
html.btb-signature-root .hero-bottom{font-size:7px;padding-top:16px;padding-bottom:16px;gap:24px}
html.btb-signature-root .hero-bottom>span{max-width:170px}
html.btb-signature-root .hero-bottom a{gap:12px;white-space:nowrap}
html.btb-signature-root .section{padding:65px 0}
html.btb-signature-root h2{font-size:37px}
html.btb-signature-root .section-heading{display:block;margin-bottom:35px}
html.btb-signature-root .section-heading>p,html.btb-signature-root .section-heading>div:last-child:not(:first-child){max-width:100%;margin-top:22px}
html.btb-signature-root .section-heading p{font-size:14px}
html.btb-signature-root .eyebrow{font-size:8px;margin-bottom:20px}
html.btb-signature-root .services{grid-template-columns:1fr;gap:32px}
html.btb-signature-root .services article{padding-top:19px}
html.btb-signature-root .service-index{margin-bottom:20px;font-size:9px}
html.btb-signature-root .services h3{font-size:29px;margin-bottom:17px}
html.btb-signature-root .services h3 br{display:none}
html.btb-signature-root .services p{font-size:14px;margin-bottom:15px;max-width:500px}
html.btb-signature-root .services .text-button{max-width:500px}
html.btb-signature-root .programme{padding:60px 0}
html.btb-signature-root .programme-grid{grid-template-columns:1fr;gap:35px}
html.btb-signature-root .programme-art{min-height:320px;max-width:430px;width:100%;margin:auto}
html.btb-signature-root .ninety{font-size:200px}
html.btb-signature-root .programme-art>.small-label{font-size:7px}
html.btb-signature-root .programme-glass{margin-top:-12px;margin-left:10px;width:92%;padding:22px}
html.btb-signature-root .programme-glass strong{font-size:17px}
html.btb-signature-root .programme-copy h2{font-size:40px}
html.btb-signature-root .programme p{font-size:14px;margin:22px 0}
html.btb-signature-root .programme-steps{font-size:10px;gap:15px}
html.btb-signature-root .programme .fine-print{font-size:10px}
html.btb-signature-root .creative-grid{grid-template-columns:1fr;gap:30px}
html.btb-signature-root .creative-canvas{min-height:400px;max-width:520px;width:100%}
html.btb-signature-root .story-type{font-size:78px;left:25px;top:35px}
html.btb-signature-root .story-frame{left:22%;right:5%;bottom:16%;padding:25px}
html.btb-signature-root .story-frame strong{font-size:21px}
html.btb-signature-root .canvas-caption{left:25px;font-size:7px}
html.btb-signature-root .creative-options h3{font-size:22px}
html.btb-signature-root .creative-options article{gap:20px;padding:23px 0}
html.btb-signature-root .quick-grid,html.btb-signature-root .learning-grid{grid-template-columns:1fr;gap:25px}
html.btb-signature-root .quick-art{height:240px}
html.btb-signature-root .quick-content,html.btb-signature-root .learning-card>div:last-child{padding:25px}
html.btb-signature-root .quick-content h3{font-size:28px}
html.btb-signature-root .quick-content h3 br{display:none}
html.btb-signature-root .quick-content p{font-size:14px}
html.btb-signature-root .quick-content .text-button{font-size:12px}
html.btb-signature-root .quick-symbol{font-size:155px}
html.btb-signature-root .collection-note{font-size:10px}
html.btb-signature-root .about-grid{grid-template-columns:1fr;gap:36px}
html.btb-signature-root .portrait{max-width:520px}
html.btb-signature-root .portrait figcaption{left:18px;right:18px;bottom:18px;padding:18px}
html.btb-signature-root .portrait figcaption strong{font-size:16px}
html.btb-signature-root .portrait figcaption span{font-size:7px}
html.btb-signature-root .about h2{font-size:36px}
html.btb-signature-root .about-copy>p{font-size:14px;margin-top:22px}
html.btb-signature-root .credentials{font-size:10px}
html.btb-signature-root .academy-invitation{padding:55px 0}
html.btb-signature-root .academy-invitation .wrap>div{display:block}
html.btb-signature-root .academy-invitation h2{font-size:33px}
html.btb-signature-root .academy-invitation .button{margin-top:26px}
html.btb-signature-root .editorial-grid{grid-template-columns:1fr;gap:32px}
html.btb-signature-root .editorial-title h2{font-size:57px}
html.btb-signature-root .editorial-rule{margin-top:25px}
html.btb-signature-root .editorial-grid>div:last-child>p{font-size:27px}
html.btb-signature-root .editorial .small-label{font-size:8px}
html.btb-signature-root .closing h2{font-size:39px}
html.btb-signature-root .closing p{font-size:14px;margin:22px auto 26px}
html.btb-signature-root .footer-grid{grid-template-columns:1fr 1fr;gap:34px 22px}
html.btb-signature-root .footer-brand{grid-column:1/-1}
html.btb-signature-root .footer-brand img{width:160px;margin-bottom:22px}
html.btb-signature-root .footer-brand p{font-size:24px;margin-bottom:18px}
html.btb-signature-root .footer-grid>div:not(:first-child)>a{font-size:10px;overflow-wrap:anywhere}
html.btb-signature-root .footer-grid h3{font-size:10px;margin-bottom:18px}
html.btb-signature-root .footer-bottom{flex-direction:column;gap:15px;margin-top:35px;font-size:8px}
html.btb-signature-root .footer-bottom>div{gap:19px}
html.btb-signature-root .preview-disclosure{font-size:8px;padding-bottom:70px}
html.btb-signature-root .motion-control{bottom:15px;left:16px;padding:9px 12px;font-size:9px}
html.btb-signature-root .guide-line{font-size:9px;line-height:1.8;align-items:flex-start}
html.btb-signature-root .guide-line .status-dot{margin-top:5px}
html.btb-signature-root .filters{gap:7px;margin-bottom:27px}
html.btb-signature-root .filters button{padding:10px 13px;font-size:11px}
html.btb-signature-root .learning-art{height:240px}
html.btb-signature-root .learning-card h3{font-size:28px}
html.btb-signature-root .learning-card h3 br{display:none}
html.btb-signature-root .learning-card p{font-size:14px}
html.btb-signature-root .academy-method h2{font-size:45px}
html.btb-signature-root .method-list h3{font-size:23px}
html.btb-signature-root .method-list article{gap:22px}
html.btb-signature-root .method-list p{font-size:14px;margin:12px 0 0}
html.btb-signature-root .team-grid{grid-template-columns:1fr;gap:30px}
html.btb-signature-root .team-grid>div>p{font-size:14px;margin:22px 0}
html.btb-signature-root .team-topics>span{font-size:16px;padding:21px 0}
html.btb-signature-root .faq-grid{grid-template-columns:1fr;gap:30px}
html.btb-signature-root summary{font-size:13px;gap:15px}
html.btb-signature-root .inner-hero{padding:55px 0 50px}
html.btb-signature-root .inner-hero h1{font-size:clamp(46px,11vw,66px)}
html.btb-signature-root .inner-hero-bottom{display:block;margin-top:25px}
html.btb-signature-root .inner-hero-bottom p{font-size:15px}
html.btb-signature-root .inner-hero-bottom .button,html.btb-signature-root .inner-hero-bottom .text-button{margin-top:25px}
html.btb-signature-root .inner-outline{font-size:250px;right:0;opacity:.4}
html.btb-signature-root .referral-banner{display:block}
html.btb-signature-root .referral-banner .button{margin-top:28px}
html.btb-signature-root .referral-notice{padding:25px;margin-top:45px;border-radius:14px}
html.btb-signature-root .referral-notice p{font-size:13px}
html.btb-signature-root .referral-notice strong{font-size:16px}
html.btb-signature-root .dashboard-link p{font-size:14px}
html.btb-signature-root .detail-dialog{padding:18px 25px 30px;max-height:88dvh}
html.btb-signature-root .detail-dialog h2{font-size:33px}
html.btb-signature-root .detail-dialog p,html.btb-signature-root .detail-dialog li{font-size:13px}
html.btb-signature-root .dialog-meta{font-size:10px}
html.btb-signature-root .detail-dialog .dialog-note{font-size:9px}
}
@media(max-width:370px){html.btb-signature-root .wrap{padding-left:20px;padding-right:20px}
html.btb-signature-root .contact-rail{font-size:8px;padding-left:17px;padding-right:17px}
html.btb-signature-root .nav-wrap{padding-left:18px;padding-right:18px}
html.btb-signature-root .brand-logo{width:138px}
html.btb-signature-root .hero-copy h1{font-size:48px}
html.btb-signature-root .hero-actions{gap:10px}
html.btb-signature-root .hero-actions .button{font-size:10px;gap:12px;padding:15px}
html.btb-signature-root .hero-actions .text-button{font-size:10px;gap:10px}
html.btb-signature-root .hero-art{height:360px}
html.btb-signature-root .programme-link{font-size:8px}
html.btb-signature-root .hero-bottom{font-size:6px}
html.btb-signature-root .menu-drawer{padding:25px}
html.btb-signature-root .menu-drawer nav a{font-size:24px}
html.btb-signature-root .slab-front strong{font-size:25px}
html.btb-signature-root .slab-front{min-height:165px}
html.btb-signature-root .glass-marker{width:35px;height:35px;right:20px}
html.btb-signature-root .programme-steps{font-size:9px;gap:13px}
}
@media(prefers-reduced-motion:reduce){html.btb-signature-root{scroll-behavior:auto}
html.btb-signature-root *,html.btb-signature-root *:before,html.btb-signature-root *:after{animation:none!important;transition:none!important}
}
@supports not ((backdrop-filter:blur(8px)) or (-webkit-backdrop-filter:blur(8px))){html.btb-signature-root .slab-front{background:#e8e7dfa6}
html.btb-signature-root .site-header{background:var(--paper)}
html.btb-signature-root .portrait figcaption,html.btb-signature-root .mini-lens,html.btb-signature-root .learning-lens{background:#ffffffd9}
}
html.btb-signature-root .contact-rail{font-size:11px}
html.btb-signature-root .slab-front{background:linear-gradient(105deg,#ffffffc2 0%,#ffffff7a 42%,#ffffff14 78%,#ffffff40 100%)}
html.btb-signature-root .motion-icon svg{display:block;width:12px;height:12px;stroke-width:2}
html.btb-signature-root .motion-control:disabled{cursor:default}
html.btb-signature-root .art-brand-label{background:none}
@media(max-width:700px){html.btb-signature-root .contact-rail{font-size:10px}
}
@media(max-width:370px){html.btb-signature-root .contact-rail{font-size:9px}
}
html.btb-signature-root[data-theme=dark] .slab-front{background:linear-gradient(105deg,#ffffffd4 0%,#ffffff9e 43%,#ffffff16 80%,#ffffff40 100%);color:#10141b}
html.btb-signature-root .portfolio-link{display:flex;width:fit-content;margin-top:20px!important;font-size:11px}
:root.btb-signature-root{--accent:#977119;--eyebrow:#806010;--accent-lifted:#f2d151;--button-navy:#162a40;--button-navy-hover:#243d58}
:root.btb-signature-root[data-theme=dark]{--accent:#f9b302;--eyebrow:#f9b302}
html.btb-signature-root .signature .eyebrow,html.btb-signature-root .signature .service-index,html.btb-signature-root .signature .academy-invitation .eyebrow{color:var(--eyebrow)}
html.btb-signature-root .signature h1 em,html.btb-signature-root .signature h2 em,html.btb-signature-root .signature .hero-copy h1 em,html.btb-signature-root .signature .inner-hero h1 em{color:var(--accent)}
html.btb-signature-root .signature .programme h1 em,html.btb-signature-root .signature .programme h2 em{color:var(--accent-lifted)}
:root.btb-signature-root:not([data-theme=dark]) .signature .programme .eyebrow{color:var(--accent-lifted)}
:root.btb-signature-root[data-theme=dark] .signature .programme .eyebrow{color:var(--eyebrow)}
:root.btb-signature-root[data-theme=dark] .signature .quick-section h2 em,:root.btb-signature-root[data-theme=dark] .signature .closing h2 em,:root.btb-signature-root[data-theme=dark] .signature .academy-invitation h2 em{color:var(--accent-lifted)}
html.btb-signature-root .signature .programme-steps b{color:#f9b302}
html.btb-signature-root .signature .desktop-nav{gap:22px}
html.btb-signature-root .breadcrumbs{display:flex;gap:12px;flex-wrap:wrap;font-size:11px;color:var(--muted);margin-bottom:35px;align-items:center}
html.btb-signature-root .breadcrumbs a{text-decoration:underline;text-underline-offset:4px}
html.btb-signature-root .all-services-link{padding-bottom:65px;margin-top:-55px}
html.btb-signature-root .all-services-link .text-button{min-width:230px}
html.btb-signature-root .service-directory{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
html.btb-signature-root .service-tile{padding:36px;border:1px solid var(--line);border-radius:16px;background:var(--surface);display:flex;flex-direction:column;min-height:320px;transition:transform .2s,box-shadow .2s}
html.btb-signature-root .service-tile:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
html.btb-signature-root .service-tile .service-index{margin-bottom:26px}
html.btb-signature-root .service-tile h3{font-size:43px;margin-bottom:18px}
html.btb-signature-root .service-tile p{font-size:14px;max-width:440px;margin-bottom:24px}
html.btb-signature-root .service-tile .text-button{margin-top:auto;width:100%}
html.btb-signature-root .service-tile-dark{background:#1d2025;color:#f2f3ee}
html.btb-signature-root .service-tile-dark p{color:#b9bfc7}
html.btb-signature-root .service-tile-dark .text-button{color:#f2f3ee;border-color:#4b5058}
html.btb-signature-root .service-hero{padding:42px 0 0;overflow:hidden}
html.btb-signature-root .service-hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:70px;align-items:center}
html.btb-signature-root .service-hero h1{font-size:clamp(54px,5.1vw,77px)}
html.btb-signature-root .service-hero-grid>div>p{font-size:16px;max-width:580px;margin:25px 0 30px}
html.btb-signature-root .service-graphic{height:390px;position:relative;isolation:isolate;min-width:0}
html.btb-signature-root .graphic-number{position:absolute;left:10%;top:0;font-family:Manrope,Arial,sans-serif;font-size:270px;line-height:1.2;letter-spacing:-.1em;color:var(--ink);opacity:.85}
html.btb-signature-root .graphic-orbit{position:absolute;inset:0 6% 5%;border:1px solid var(--accent);border-radius:50%;opacity:.3;transform:rotate(30deg)}
html.btb-signature-root .graphic-glass{position:absolute;left:0;right:0;bottom:18%;transform:rotate(-8deg);padding:25px 28px;background:linear-gradient(120deg,#ffffffa8,#ffffff15);color:#15171a;overflow:hidden}
html.btb-signature-root .graphic-glass>span{display:block;font-size:8px;letter-spacing:.15em}
html.btb-signature-root .graphic-glass strong{display:block;font:italic 48px/1.2 Georgia,serif;letter-spacing:-.05em;padding:10px 0 15px}
html.btb-signature-root .graphic-glass:after{content:'';position:absolute;inset:-100%;background:linear-gradient(115deg,transparent 45%,#ffffff9c 49%,transparent 54%);animation:reflect 9s linear infinite;pointer-events:none}
html.btb-signature-root .service-graphic:before{content:'';position:absolute;inset:10% 10% 12%;border-radius:50%;z-index:-1;background:radial-gradient(circle,#f9b3029c,#f9b30208 67%,transparent 70%)}
html.btb-signature-root .graphic-digital-marketing:before{background:radial-gradient(circle,#9db5da,#9db5da22 67%,transparent 70%)}
html.btb-signature-root .graphic-content-creation:before{background:radial-gradient(circle,#c8d9ce,#c8d9ce22 67%,transparent 70%)}
html.btb-signature-root .graphic-research-insights:before{background:radial-gradient(circle,#a7bbdb,#a7bbd922 67%,transparent 70%)}
html.btb-signature-root .service-facts{display:grid;grid-template-columns:1fr 1fr;gap:60px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:28px 0;margin-top:48px}
html.btb-signature-root .service-facts p{font-size:13px;margin-top:10px;max-width:500px}
html.btb-signature-root .scope-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:95px}
html.btb-signature-root .scope-intro>p{font-size:14px;margin-top:25px;max-width:360px}
html.btb-signature-root .scope-jumps{display:flex;flex-direction:column;gap:11px;margin-top:30px;font-size:11px}
html.btb-signature-root .scope-jumps a{text-decoration:underline;text-underline-offset:4px;width:fit-content}
html.btb-signature-root .scope-row{display:grid;grid-template-columns:32px 1fr;gap:22px;padding:28px 0;border-top:1px solid var(--line);scroll-margin-top:150px}
html.btb-signature-root .scope-row>span{font-size:11px;color:var(--accent);padding-top:5px}
html.btb-signature-root .scope-row h3{font-size:27px;line-height:1.25}
html.btb-signature-root .scope-row p{font-size:14px;margin-top:16px;line-height:1.9}
html.btb-signature-root .choice-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:45px;margin-top:48px}
html.btb-signature-root .choice-grid article{border-top:1px solid #51565e;padding-top:24px}
html.btb-signature-root .choice-grid article>span{font-size:10px;color:#f9b302;letter-spacing:.12em}
html.btb-signature-root .choice-grid h3{font-size:28px;margin-top:20px}
html.btb-signature-root .choice-grid p{font-size:14px;margin:18px 0 20px}
html.btb-signature-root .choice-grid .text-button{color:#f1f2ed;border-color:#51565e}
html.btb-signature-root .service-outcome>.wrap>p{max-width:760px;font-size:19px;line-height:1.7}
html.btb-signature-root .next-route{display:grid;grid-template-columns:1.1fr .9fr;gap:100px;align-items:center}
html.btb-signature-root .next-route>div>p{margin:25px 0 15px;font-size:15px;max-width:540px}
html.btb-signature-root .route-card{padding:40px;background:var(--soft);border-color:var(--line)}
html.btb-signature-root .route-card h3{font-size:31px;margin-top:24px}
html.btb-signature-root .route-card .text-button{margin-top:22px;width:100%}
html.btb-signature-root .service-faq{background:var(--soft)}
html.btb-signature-root .fit-list p{font-size:18px;border-top:1px solid var(--line);padding:24px 0}
html.btb-signature-root .connected-links{display:flex;flex-direction:column;gap:18px}
html.btb-signature-root .connected-links a{font-size:15px}
html.btb-signature-root .featured-work{border-top:1px solid var(--line)}
html.btb-signature-root .case-feature{display:grid;grid-template-columns:1.15fr .85fr;gap:65px;align-items:center}
html.btb-signature-root .case-cover{background:#dfe2db;min-height:370px;border-radius:14px;position:relative;overflow:hidden;padding:30px;color:#1d2829}
html.btb-signature-root .case-cover>span{font-size:9px;letter-spacing:.17em}
html.btb-signature-root .case-cover>strong{font-family:Manrope,Arial,sans-serif;display:block;font-size:clamp(40px,5vw,69px);letter-spacing:-.065em;line-height:1.05;padding-top:30px;font-weight:500}
html.btb-signature-root .case-cover>strong em{font-family:Georgia,serif}
html.btb-signature-root .case-lens{position:absolute;left:15%;right:4%;bottom:18%;padding:27px 22px;display:flex;align-items:center;justify-content:space-between;gap:15px;font-size:8px;letter-spacing:.1em;transform:rotate(-8deg);border-radius:14px;background:#ffffff30}
html.btb-signature-root .case-lens svg{width:18px;height:18px}
html.btb-signature-root .case-summary h3{font-size:38px;margin-top:22px}
html.btb-signature-root .case-summary p{font-size:14px;line-height:1.9;margin:24px 0}
html.btb-signature-root .case-summary .text-button{width:100%}
html.btb-signature-root .work-tabs{display:flex;gap:25px;font-size:12px}
html.btb-signature-root .work-tabs a{border-bottom:1px solid var(--line);padding:12px 0}
html.btb-signature-root .portfolio-section{background:var(--soft)}
html.btb-signature-root .portfolio-plan{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
html.btb-signature-root .portfolio-plan article{padding:30px;border:1px dashed var(--line);border-radius:12px;background:var(--surface)}
html.btb-signature-root .portfolio-plan article>span{font-size:9px;letter-spacing:.12em;color:var(--muted)}
html.btb-signature-root .portfolio-plan h3{font-size:31px;margin:30px 0 20px}
html.btb-signature-root .portfolio-plan p{font-size:13px;margin-bottom:30px}
html.btb-signature-root .portfolio-plan small{display:block;font-size:10px;color:var(--muted);border-top:1px solid var(--line);padding-top:18px}
html.btb-signature-root .case-hero{padding:45px 0 0}
html.btb-signature-root .case-hero h1{font-size:clamp(50px,5.7vw,83px)}
html.btb-signature-root .case-hero>.wrap>p{font-size:16px;max-width:740px;margin:30px 0 45px}
html.btb-signature-root .case-title-art{background:#dfe2db;position:relative;min-height:450px;border-radius:14px;padding:50px;color:#1d2829;overflow:hidden}
html.btb-signature-root .case-title-art>span{display:block;letter-spacing:-.06em;font-size:clamp(45px,8vw,112px);line-height:1.1;font-weight:500}
html.btb-signature-root .case-title-art>em{font-size:clamp(60px,9vw,130px);line-height:1.2}
html.btb-signature-root .case-title-art>.glass{position:absolute;right:6%;bottom:15%;min-width:45%;transform:rotate(-7deg);padding:35px;font-size:9px;letter-spacing:.13em;background:#ffffff38}
html.btb-signature-root .case-title-art>.glass strong{display:block;font-size:25px;letter-spacing:-.03em;font-weight:500;margin-top:25px}
html.btb-signature-root .case-facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px;padding:32px 0;border-bottom:1px solid var(--line)}
html.btb-signature-root .case-facts span{display:block;font-size:8px;letter-spacing:.13em;color:var(--muted);margin-bottom:9px}
html.btb-signature-root .case-facts strong{font-size:13px;font-weight:500}
html.btb-signature-root .case-story{display:grid;grid-template-columns:.8fr 1.2fr;gap:100px}
html.btb-signature-root .case-story article+article{margin-top:42px}
html.btb-signature-root .case-story h3{font-size:29px;margin:15px 0 20px}
html.btb-signature-root .case-story p{font-size:15px;line-height:1.9}
html.btb-signature-root .source-note{margin-top:40px;padding:25px;border:1px solid var(--line);border-radius:10px;background:var(--soft)}
html.btb-signature-root .source-note p{font-size:11px}
html.btb-signature-root .source-note a{text-decoration:underline}
html.btb-signature-root .nav-blueprint{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
html.btb-signature-root .nav-blueprint>*{padding:16px 23px;border:1px solid var(--line);border-radius:7px;font-size:13px}
html.btb-signature-root .nav-blueprint strong{background:var(--ink);color:var(--paper);font-weight:500}
html.btb-signature-root .architecture-intro{max-width:900px;font-size:15px;margin:30px 0}
html.btb-signature-root .structure-table{overflow:auto;margin-top:45px}
html.btb-signature-root .structure-table table{border-collapse:collapse;width:100%;font-size:13px}
html.btb-signature-root .structure-table th,html.btb-signature-root .structure-table td{text-align:left;vertical-align:top;padding:22px 18px;border-bottom:1px solid var(--line)}
html.btb-signature-root .structure-table th{font-weight:600}
html.btb-signature-root .structure-table thead{background:var(--soft)}
html.btb-signature-root .structure-table tbody th{min-width:160px}
html.btb-signature-root .structure-table td:last-child{min-width:155px;color:var(--muted)}
html.btb-signature-root .structure-link{margin-top:13px;font-size:11px}
html.btb-signature-root .structure-link a{display:inline-flex;align-items:center;gap:10px;border-bottom:1px solid var(--line)}
html.btb-signature-root .structure-link svg{width:13px;height:13px}
html.btb-signature-root .page-structure .programme p{max-width:none}
@media(max-width:1150px){html.btb-signature-root .signature .desktop-nav{gap:17px;font-size:11px}
html.btb-signature-root .signature .nav-actions{gap:10px}
html.btb-signature-root .signature .brand-logo{width:160px}
html.btb-signature-root .service-hero-grid{gap:40px;grid-template-columns:1.15fr .85fr}
html.btb-signature-root .service-hero h1{font-size:60px}
html.btb-signature-root .service-graphic{height:350px}
html.btb-signature-root .graphic-number{font-size:235px}
html.btb-signature-root .scope-grid,html.btb-signature-root .next-route,html.btb-signature-root .case-story{gap:55px}
html.btb-signature-root .case-feature{gap:45px}
html.btb-signature-root .case-summary h3{font-size:32px}
}
@media(max-width:950px){html.btb-signature-root .service-hero h1{font-size:49px}
html.btb-signature-root .service-hero-grid{gap:25px}
html.btb-signature-root .service-hero-grid>div>p{font-size:14px}
html.btb-signature-root .service-graphic{height:320px}
html.btb-signature-root .graphic-number{font-size:215px}
html.btb-signature-root .graphic-glass strong{font-size:39px}
html.btb-signature-root .service-facts{gap:35px}
html.btb-signature-root .scope-grid{gap:40px}
html.btb-signature-root .choice-grid{gap:28px}
html.btb-signature-root .choice-grid h3{font-size:24px}
html.btb-signature-root .service-tile{padding:28px}
html.btb-signature-root .service-tile h3{font-size:37px}
html.btb-signature-root .case-cover{min-height:320px;padding:25px}
html.btb-signature-root .case-lens{font-size:7px;padding:22px 16px;bottom:14%}
html.btb-signature-root .case-summary h3{font-size:30px}
html.btb-signature-root .portfolio-plan{gap:15px}
html.btb-signature-root .portfolio-plan article{padding:22px}
html.btb-signature-root .portfolio-plan h3{font-size:26px}
html.btb-signature-root .next-route{gap:40px}
html.btb-signature-root .route-card{padding:28px}
}
@media(max-width:700px){html.btb-signature-root .signature .brand-logo{width:150px}
html.btb-signature-root .signature .academy .brand-logo{width:139px}
html.btb-signature-root .service-hero{padding-top:26px}
html.btb-signature-root .breadcrumbs{font-size:10px;margin-bottom:30px}
html.btb-signature-root .service-hero-grid{grid-template-columns:1fr;gap:20px}
html.btb-signature-root .service-hero h1{font-size:49px}
html.btb-signature-root .service-hero-grid>div>p{font-size:15px;margin:24px 0}
html.btb-signature-root .service-graphic{height:300px;max-width:400px;width:100%;margin:auto}
html.btb-signature-root .graphic-number{font-size:225px;left:19%}
html.btb-signature-root .graphic-glass{left:4%;right:4%;padding:24px}
html.btb-signature-root .service-facts{grid-template-columns:1fr;gap:23px;margin-top:15px;padding:25px 0}
html.btb-signature-root .service-facts p{font-size:13px}
html.btb-signature-root .service-directory{grid-template-columns:1fr;gap:20px}
html.btb-signature-root .service-tile{padding:27px;min-height:0}
html.btb-signature-root .service-tile h3{font-size:38px}
html.btb-signature-root .service-tile p{font-size:14px}
html.btb-signature-root .service-tile .service-index{font-size:9px}
html.btb-signature-root .scope-grid,html.btb-signature-root .next-route,html.btb-signature-root .case-story{grid-template-columns:1fr;gap:35px}
html.btb-signature-root .scope-intro>p{max-width:none}
html.btb-signature-root .scope-jumps{display:none}
html.btb-signature-root .scope-row{grid-template-columns:22px 1fr;gap:16px;padding:24px 0;scroll-margin-top:115px}
html.btb-signature-root .scope-row h3{font-size:25px}
html.btb-signature-root .scope-row p{font-size:14px}
html.btb-signature-root .choice-grid{grid-template-columns:1fr;gap:30px;margin-top:35px}
html.btb-signature-root .choice-grid h3{font-size:28px}
html.btb-signature-root .choice-grid p{margin:15px 0;font-size:14px}
html.btb-signature-root .programme .choice-grid p{max-width:none}
html.btb-signature-root .service-outcome>.wrap>p{font-size:17px}
html.btb-signature-root .next-route>div>p{font-size:14px}
html.btb-signature-root .route-card{padding:27px}
html.btb-signature-root .fit-list p{font-size:16px}
html.btb-signature-root .all-services-link{margin-top:-35px;padding-bottom:45px}
html.btb-signature-root .case-feature{grid-template-columns:1fr;gap:30px}
html.btb-signature-root .case-cover{min-height:320px}
html.btb-signature-root .case-cover>strong{font-size:48px}
html.btb-signature-root .case-summary h3{font-size:33px}
html.btb-signature-root .work-tabs{margin-top:20px;gap:28px}
html.btb-signature-root .portfolio-plan{grid-template-columns:1fr;gap:20px}
html.btb-signature-root .portfolio-plan article{padding:27px}
html.btb-signature-root .portfolio-plan h3{font-size:30px}
html.btb-signature-root .case-hero{padding-top:28px}
html.btb-signature-root .case-hero h1{font-size:46px}
html.btb-signature-root .case-hero>.wrap>p{font-size:14px;margin:25px 0 30px}
html.btb-signature-root .case-title-art{min-height:320px;padding:25px}
html.btb-signature-root .case-title-art>span{font-size:39px;letter-spacing:-.07em}
html.btb-signature-root .case-title-art>em{font-size:75px}
html.btb-signature-root .case-title-art>.glass{left:12%;right:7%;bottom:14%;padding:22px;min-width:0;font-size:7px}
html.btb-signature-root .case-title-art>.glass strong{font-size:20px;margin-top:18px}
html.btb-signature-root .case-facts{grid-template-columns:1fr;gap:22px;padding:25px 0}
html.btb-signature-root .case-story h3{font-size:26px}
html.btb-signature-root .case-story p{font-size:14px}
html.btb-signature-root .source-note p{font-size:11px}
html.btb-signature-root .nav-blueprint{gap:8px}
html.btb-signature-root .nav-blueprint>*{font-size:11px;padding:12px 16px}
html.btb-signature-root .architecture-intro{font-size:14px}
html.btb-signature-root .structure-table table,html.btb-signature-root .structure-table tbody,html.btb-signature-root .structure-table tr,html.btb-signature-root .structure-table th,html.btb-signature-root .structure-table td{display:block;width:100%;min-width:0!important}
html.btb-signature-root .structure-table thead{display:none}
html.btb-signature-root .structure-table tr{border:1px solid var(--line);border-radius:10px;margin-bottom:16px;padding:20px}
html.btb-signature-root .structure-table th,html.btb-signature-root .structure-table td{padding:0;border:0}
html.btb-signature-root .structure-table th{font-size:17px;margin-bottom:16px}
html.btb-signature-root .structure-table td{font-size:13px}
html.btb-signature-root .structure-table td:last-child{border-top:1px solid var(--line);padding-top:14px;margin-top:14px;font-size:11px}
html.btb-signature-root .structure-table td:last-child:before{content:'PREVIEW STATUS: ';font-size:9px;letter-spacing:.04em}
html.btb-signature-root .menu-drawer nav{margin:24px 0}
html.btb-signature-root .menu-drawer nav a{font-size:24px;padding:8px 0}
}
@media(max-width:370px){html.btb-signature-root .signature .brand-logo{width:138px}
html.btb-signature-root .service-hero h1{font-size:45px}
html.btb-signature-root .service-tile{padding:24px}
html.btb-signature-root .case-title-art>span{font-size:35px}
}
@media(prefers-reduced-motion:reduce){html.btb-signature-root .graphic-glass:after{animation:none!important}
}
:root.btb-signature-root[data-theme=dark] .signature .service-faq h2 em,:root.btb-signature-root[data-theme=dark] .signature .portfolio-section h2 em{color:var(--accent-lifted)}
:root.btb-signature-root:not([data-theme=dark]) .signature.academy{--accent:#466b80}
:root.btb-signature-root:not([data-theme=dark]) .signature .button:not(.gold),:root.btb-signature-root:not([data-theme=dark]) .signature .filters button[aria-pressed=true]{background:var(--button-navy);border-color:var(--button-navy);color:#fff}
:root.btb-signature-root:not([data-theme=dark]) .signature .button:not(.gold):hover{background:var(--button-navy-hover);border-color:var(--button-navy-hover)}
html.btb-signature-root .signature .hero,html.btb-signature-root .signature .prism-hero{position:relative;overflow:hidden;isolation:isolate;background:radial-gradient(ellipse at 91% 43%,#49badb32 0%,transparent 43%),radial-gradient(ellipse at 9% 94%,#f9b30222 0%,transparent 40%),linear-gradient(120deg,#fafbf8,#f7f8f7 65%,#e8f2f5)}
html.btb-signature-root .signature .hero::before,html.btb-signature-root .signature .prism-hero::before{content:'';position:absolute;pointer-events:none;z-index:-1;inset:0;background:linear-gradient(135deg,transparent 48%,#ffffffa8 48.15%,#ffffff00 49.3%),linear-gradient(114deg,transparent 65%,#f9b30213 65.1%,transparent 68%),linear-gradient(158deg,transparent 61%,#64b9df17 61.2%,transparent 64%)}
:root.btb-signature-root[data-theme=dark] .signature .hero,:root.btb-signature-root[data-theme=dark] .signature .prism-hero{background:radial-gradient(ellipse at 88% 40%,#9365e82b,transparent 46%),radial-gradient(ellipse at 58% 100%,#397fa61a,transparent 45%),#111316}
:root.btb-signature-root[data-theme=dark] .signature .hero::before,:root.btb-signature-root[data-theme=dark] .signature .prism-hero::before{background:linear-gradient(135deg,transparent 48%,#b6afff0b 48.15%,transparent 50%),linear-gradient(158deg,transparent 61%,#64b9df08 61.2%,transparent 65%)}
html.btb-signature-root .signature .hero-art .field-one{left:14%;top:9%;width:74%;height:auto;aspect-ratio:1;border-radius:50%;transform:none;background:#f9b302;opacity:1}
:root.btb-signature-root[data-theme=dark] .signature .hero-art .field-one{background:#f9b302;opacity:1}
html.btb-signature-root .signature .hero-art .field-two{width:42%;height:auto;aspect-ratio:1;bottom:15%;right:0;background:radial-gradient(circle,#4bbada88,#5695d94d 52%,transparent 72%);filter:blur(24px);opacity:.65}
:root.btb-signature-root[data-theme=dark] .signature .hero-art .field-two{background:radial-gradient(circle,#8e87ed9c,#41b6d94d 52%,transparent 72%)}
html.btb-signature-root .signature .hero-art .slab-back{box-shadow:inset 1px 1px 2px #fff,inset -1px -1px 4px #ffffff85,0 20px 48px #23495b14}
:root.btb-signature-root[data-theme=dark] .signature .hero-art .slab-back{box-shadow:inset 1px 1px 2px #ffffffb3,inset -1px -1px 4px #c3aeff52,0 20px 48px #0003}
html.btb-signature-root .signature .creative-options article>span,html.btb-signature-root .signature .scope-row>span{color:var(--eyebrow)}
html.btb-signature-root .signature .programme .method-list article>span{color:#f9b302}
html.btb-signature-root .prism-band{position:relative;z-index:2;background:#15273c;color:#f7fbfc;border-top:1px solid #ffffff12;border-bottom:1px solid #ffffff12}
html.btb-signature-root .prism-band-inner{display:grid;grid-template-columns:1.4fr 1.2fr 1fr 1.25fr;align-items:center;gap:30px;padding-top:25px;padding-bottom:25px;font-size:12px;line-height:1.6}
html.btb-signature-root .prism-band-inner>span{color:#c8d6df;padding-right:28px;border-right:1px solid #72849665}
html.btb-signature-root .prism-band-inner>strong{font-weight:550;text-align:center}
@media(max-width:1000px){html.btb-signature-root .prism-band-inner{gap:20px;font-size:10px}
html.btb-signature-root .prism-band-inner>span{padding-right:15px}
}
@media(max-width:700px){html.btb-signature-root .prism-band-inner{grid-template-columns:1fr;gap:12px;text-align:left;padding-top:24px;padding-bottom:24px;font-size:12px}
html.btb-signature-root .prism-band-inner>span{border-right:0;border-bottom:1px solid #72849665;padding:0 0 14px;margin-bottom:2px;font-size:11px}
html.btb-signature-root .prism-band-inner>strong{text-align:left;font-weight:500}
}