.bt-landing{--bt-paper:#f8faff;--bt-white:#ffffff;--bt-ink:#101827;--bt-muted:#5f6d83;--bt-rule:rgba(20,35,61,0.12);--bt-blue:#3268e8;--bt-blue-deep:#173b91;--bt-orange:#f36b3f;--bt-night:#0c111c;background:radial-gradient(52rem 42rem at 100% 0,rgba(50,104,232,.08),transparent 68%),radial-gradient(38rem 32rem at 0 38%,rgba(243,107,63,.045),transparent 70%),linear-gradient(180deg,#fcfdff 0,var(--bt-paper) 100%);color:var(--bt-ink);font-family:var(--font-inter),system-ui,sans-serif}.bt-mono{font-family:var(--font-mono),ui-monospace,monospace;font-size:.75rem;letter-spacing:.08em;text-transform:uppercase}.bt-display{font-weight:300;letter-spacing:-.035em;line-height:1.04}.bt-muted{color:var(--bt-muted)}.bt-rule{border-color:var(--bt-rule)}.bt-hero-section{isolation:isolate}.bt-hero-section:after,.bt-hero-section:before{content:"";position:absolute;z-index:-1;pointer-events:none;border-radius:48% 52% 56% 44%/45% 42% 58% 55%}.bt-hero-section:before{inset:9% 2% 8%;background:radial-gradient(46% 54% at 26% 35%,rgba(56,113,255,.2),transparent 74%),radial-gradient(38% 42% at 72% 45%,rgba(243,107,63,.17),transparent 74%),linear-gradient(135deg,rgba(255,255,255,.9),rgba(234,242,255,.7));filter:blur(10px)}.bt-hero-section:after{width:min(42vw,24rem);aspect-ratio:1;right:2%;top:18%;background:radial-gradient(circle,rgba(50,104,232,.11),rgba(243,107,63,.08) 48%,transparent 72%);filter:blur(24px)}.bt-hero-headline{padding-bottom:.08em;background:linear-gradient(105deg,#101827 8%,#2858c8 58%,#d9572f);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent;font-weight:600;letter-spacing:-.055em;line-height:.98}.bt-hero-section p.bt-mono{color:var(--bt-blue-deep)}.bt-btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 1.5rem;border:1px solid transparent;border-radius:999px;background:var(--bt-blue);color:#fff;text-decoration:none;box-shadow:0 8px 20px -12px rgba(50,104,232,.75);transition:background-color .2s ease,box-shadow .2s ease,transform .2s ease}.bt-btn:hover{background:var(--bt-blue-deep);box-shadow:0 10px 24px -12px rgba(23,59,145,.65);transform:translateY(-1px)}.bt-link{display:inline-flex;align-items:center;min-height:44px;color:var(--bt-ink);text-decoration:none;border-bottom:1px solid transparent;transition:border-color .2s ease,color .2s ease}.bt-link:hover{color:var(--bt-blue-deep);border-bottom-color:var(--bt-orange)}.bt-mode-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;margin-bottom:0;padding:0;list-style:none}.bt-mode-card{position:relative;isolation:isolate;display:flex;min-height:264px;flex-direction:column;justify-content:space-between;gap:2rem;overflow:hidden;padding:1.45rem;border:1px solid rgba(28,52,91,.1);border-radius:1.4rem;box-shadow:0 16px 40px -32px rgba(20,35,61,.45),inset 0 1px 0 rgba(255,255,255,.7);transition:transform .25s ease,box-shadow .25s ease}.bt-mode-card:before{content:"";position:absolute;z-index:0;width:70%;aspect-ratio:1;right:-22%;top:-32%;border-radius:44% 56% 62% 38%/43% 36% 64% 57%;filter:blur(18px);opacity:.9;transition:transform .45s ease,border-radius .45s ease}.bt-mode-card:hover{transform:translateY(-4px);box-shadow:0 24px 48px -34px rgba(20,35,61,.55),inset 0 1px 0 rgba(255,255,255,.7)}.bt-mode-card:hover:before{transform:translate(-8%,10%) rotate(9deg) scale(1.1);border-radius:61% 39% 44% 56%/55% 62% 38% 45%}.bt-mode-card--blue{background:radial-gradient(70% 90% at 100% 100%,rgba(66,128,255,.15),transparent 74%),linear-gradient(145deg,var(--bt-white) 0,#f4f8ff 54%,#e8f0ff 100%);color:var(--bt-ink)}.bt-mode-card--blue:before{background:radial-gradient(circle,rgba(63,123,255,.36),transparent 70%)}.bt-mode-card--orange{border-color:rgba(255,255,255,.11);background:radial-gradient(90% 85% at 100% 100%,rgba(26,72,160,.24),transparent 72%),linear-gradient(145deg,#171b25 0,var(--bt-night) 70%);color:#f8faff;box-shadow:0 18px 42px -30px rgba(7,11,19,.8),inset 0 1px 0 rgba(255,255,255,.07)}.bt-mode-card--orange:before{background:radial-gradient(circle,rgba(243,107,63,.56),transparent 70%)}.bt-mode-card--ink{border-color:rgba(255,255,255,.1);background:radial-gradient(85% 90% at 100% 0,rgba(50,104,232,.28),transparent 70%),linear-gradient(145deg,#111827 0,var(--bt-night) 72%);color:#f8faff;box-shadow:0 18px 42px -30px rgba(7,11,19,.8),inset 0 1px 0 rgba(255,255,255,.07)}.bt-mode-card--ink:before{background:radial-gradient(circle,rgba(243,107,63,.4),transparent 70%)}.bt-mode-card__arrow,.bt-mode-card__copy,.bt-mode-card__meta{position:relative;z-index:1}.bt-mode-card__meta{display:flex;align-items:center;justify-content:space-between;gap:1rem}.bt-mode-card__index{color:var(--bt-blue);font-size:.7rem}.bt-mode-card__badge{max-width:70%;overflow:hidden;border:1px solid rgba(50,104,232,.16);border-radius:999px;padding:.35rem .6rem;color:var(--bt-blue-deep);font-size:.62rem;text-overflow:ellipsis;white-space:nowrap}.bt-mode-card__copy h3{margin:0 0 .65rem;font-family:var(--font-inter),system-ui,sans-serif;font-size:clamp(1.55rem,2vw,1.9rem);font-weight:600;letter-spacing:-.055em;line-height:1}.bt-mode-card__copy p{max-width:34ch;margin:0;color:var(--bt-muted);font-size:.9rem;line-height:1.55}.bt-mode-card--ink .bt-mode-card__index,.bt-mode-card--orange .bt-mode-card__index{color:#ff9a75}.bt-mode-card--ink .bt-mode-card__badge,.bt-mode-card--orange .bt-mode-card__badge{border-color:rgba(255,255,255,.17);color:rgba(255,255,255,.74)}.bt-mode-card--ink .bt-mode-card__copy p,.bt-mode-card--orange .bt-mode-card__copy p{color:rgba(242,246,255,.72)}.bt-mode-card__arrow{align-self:flex-end;color:var(--bt-blue);font-size:1.2rem;line-height:1}.bt-mode-card--ink .bt-mode-card__arrow,.bt-mode-card--orange .bt-mode-card__arrow{color:#ff9a75}.bt-cta-card{position:relative;isolation:isolate;overflow:hidden;padding:clamp(2.5rem,7vw,5.5rem) 1.5rem;border:1px solid rgba(255,255,255,.12);border-radius:2rem;background:radial-gradient(42rem 24rem at 100% 0,rgba(50,104,232,.32),transparent 72%),linear-gradient(135deg,#151b28 0,var(--bt-night) 65%,#111827 100%);color:#f8faff;box-shadow:0 24px 60px -42px rgba(14,22,39,.65)}.bt-cta-card:before{content:"";position:absolute;z-index:0;width:18rem;aspect-ratio:1;left:-7rem;bottom:-12rem;border-radius:42% 58% 60% 40%/47% 38% 62% 53%;background:radial-gradient(circle,rgba(243,107,63,.65),rgba(243,107,63,.08) 60%,transparent 72%);filter:blur(16px)}.bt-cta-card>*{position:relative;z-index:1}.bt-cta-card .bt-mono{color:#a9c3ff}.bt-cta-card .bt-muted{color:rgba(242,246,255,.75)}.bt-cta-card .bt-btn{background:#ffffff;color:var(--bt-ink);box-shadow:none}.bt-cta-card .bt-btn:hover{background:#dce8ff;color:var(--bt-blue-deep)}.bt-cta-card .bt-link{color:#ffffff}.bt-cta-card .bt-link:hover{color:#ff9a75;border-bottom-color:#ff9a75}.bt-landing :focus-visible{outline:2px solid var(--bt-blue);outline-offset:3px}@media (max-width:767px){.bt-hero-section{min-height:auto;padding-top:7rem;padding-bottom:4.5rem}.bt-hero-section:before{inset:8% -8% 5%}.bt-hero-section:after{width:15rem;right:-18%;top:22%}.bt-mode-grid{grid-template-columns:1fr}.bt-mode-card{min-height:220px;padding:1.35rem}.bt-cta-card{border-radius:1.5rem}}@media (prefers-reduced-motion:reduce){.bt-btn,.bt-link,.bt-mode-card,.bt-mode-card:before{transition:none}}.bt-enterprise-feature{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);align-items:center;gap:clamp(2rem,6vw,5rem);width:min(100%,72rem);margin:0 auto;padding:clamp(3.5rem,7vw,5.5rem) 1.5rem;border-top:1px solid var(--bt-rule)}.bt-enterprise-feature__copy{max-width:38rem}.bt-enterprise-feature__eyebrow{display:flex;align-items:center;gap:.65rem;color:var(--bt-blue)}.bt-enterprise-feature__eyebrow:before{width:2rem;height:1px;background:currentColor;content:""}.bt-enterprise-feature__title{max-width:13ch;margin:1rem 0 0;color:var(--bt-ink);font-family:Georgia,Times New Roman,serif;font-size:clamp(2.5rem,5vw,4.35rem);font-style:italic;font-weight:400;letter-spacing:-.065em;line-height:.9}.bt-enterprise-feature__copy>p:not(.bt-enterprise-feature__eyebrow){max-width:43ch;margin:1.1rem 0 0;color:var(--bt-muted);font-size:.96rem;line-height:1.65}.bt-enterprise-feature__link{display:inline-flex;min-height:44px;align-items:center;gap:.5rem;margin-top:1.25rem;border-bottom:1px solid var(--bt-orange);color:var(--bt-blue-deep);text-decoration:none;transition:color .2s ease,gap .2s ease}.bt-enterprise-feature__link:hover{gap:.75rem;color:var(--bt-orange)}.bt-enterprise-figure{position:relative;min-height:18rem;margin:0;overflow:hidden;border:1px solid rgba(20,35,61,.12);border-radius:.35rem;background:#ededeb;box-shadow:0 18px 46px -34px rgba(20,35,61,.34)}.bt-enterprise-figure__caption,.bt-enterprise-figure__top{position:absolute;z-index:4;right:1rem;left:1rem;display:flex;align-items:center;justify-content:space-between;gap:.75rem;color:var(--bt-ink);font-size:.5rem}.bt-enterprise-figure__top{top:.85rem}.bt-enterprise-figure__caption{bottom:.85rem;color:var(--bt-muted)}.bt-enterprise-figure__stamp{display:grid;min-width:2.6rem;min-height:2.6rem;place-items:center;padding:.3rem;background:var(--bt-orange);color:#fff;font-size:.42rem;line-height:1.1;text-align:center}.bt-enterprise-figure__frame{position:absolute;inset:3rem 1rem 2.55rem;display:grid;grid-template-columns:1.5rem minmax(0,1fr) 1.5rem;align-items:center;gap:.65rem}.bt-enterprise-figure__side{z-index:4;color:var(--bt-blue-deep);font-size:.48rem;line-height:1;writing-mode:vertical-rl;transform:rotate(180deg)}.bt-enterprise-figure__scene{position:relative;isolation:isolate;height:100%;min-height:10rem;overflow:hidden;border:1px solid rgba(224,235,242,.18);border-radius:.1rem;background:#0b1420 url(/ai-ocean-horizon.png) center 53%/cover no-repeat}.bt-enterprise-figure__scene:before{position:absolute;z-index:1;inset:0;background:linear-gradient(180deg,rgba(5,10,17,.18),rgba(5,10,17,.08) 46%,rgba(5,10,17,.38));content:""}.bt-enterprise-figure__signal-field{position:absolute;z-index:2;inset:48% -12% -12%;overflow:hidden;opacity:.82;-webkit-mask-image:linear-gradient(180deg,transparent,#000 18%,#000 72%,transparent);mask-image:linear-gradient(180deg,transparent,#000 18%,#000 72%,transparent)}.bt-enterprise-figure__signal-field:before{position:absolute;inset:-20% -12%;background:repeating-linear-gradient(172deg,transparent 0 11px,rgba(112,224,224,.3) 12px 13px,transparent 14px 21px);filter:blur(.7px);animation:bt-enterprise-signal-flow 13s linear infinite;content:""}.bt-enterprise-figure__signal-field:after{position:absolute;inset:0;background-image:radial-gradient(rgba(175,230,237,.8) .8px,transparent 1px);background-size:11px 11px;-webkit-mask-image:radial-gradient(ellipse at 58% 55%,#000,transparent 73%);mask-image:radial-gradient(ellipse at 58% 55%,#000,transparent 73%);animation:bt-enterprise-dots 8s ease-in-out infinite alternate;content:""}.bt-enterprise-figure__vessel{position:absolute;z-index:3;bottom:17%;left:51%;width:7.8rem;height:8.1rem;transform:translateX(-50%);animation:bt-enterprise-boat-bob 5.8s ease-in-out infinite}.bt-enterprise-figure__mast{position:absolute;bottom:20%;left:50%;width:2px;height:79%;background:linear-gradient(90deg,#e6e8e5,#fff 48%,#aab4b8);transform:translateX(-50%)}.bt-enterprise-figure__sail{position:absolute;bottom:25%;display:block;transform-origin:left bottom;animation:bt-enterprise-sail-sway 6.5s ease-in-out infinite}.bt-enterprise-figure__sail--main{left:50%;width:4.2rem;height:5.9rem;clip-path:polygon(0 0,100% 100%,0 80%);background:repeating-linear-gradient(158deg,rgba(255,243,222,.48) 0 .48rem,transparent .5rem 1rem),linear-gradient(145deg,#ff9b55,#ed562c 82%);filter:drop-shadow(0 9px 10px rgba(0,0,0,.18))}.bt-enterprise-figure__sail--main>span{position:absolute;right:.42rem;bottom:.72rem;color:#fff8ee;font-family:Arial,sans-serif;font-size:.43rem;font-weight:700;letter-spacing:.05em;line-height:1.05;transform:rotate(-14deg)}.bt-enterprise-figure__sail--main small{display:block;margin-top:.13rem;font-size:.3rem;font-weight:600;letter-spacing:.11em}.bt-enterprise-figure__sail--jib{right:50%;width:2.75rem;height:4.2rem;clip-path:polygon(0 0,100% 90%,0 100%);background:repeating-linear-gradient(160deg,rgba(20,35,61,.86) 0 .48rem,rgba(249,241,224,.95) .5rem .95rem);animation-delay:-1.3s}.bt-enterprise-figure__hull{position:absolute;right:.4rem;bottom:14%;left:.5rem;height:.8rem;clip-path:polygon(0 0,100% 0,88% 100%,12% 100%);background:linear-gradient(180deg,#f4eee2,#69747b);box-shadow:0 8px 12px rgba(0,0,0,.3)}.bt-enterprise-figure__wake{position:absolute;right:-.8rem;bottom:1%;left:-.8rem;height:1.6rem;border-radius:50%;background:radial-gradient(ellipse,rgba(173,229,232,.72),rgba(77,170,190,.15) 50%,transparent 72%);filter:blur(5px);animation:bt-enterprise-wake 5.8s ease-in-out infinite}.bt-enterprise-feature__link:focus-visible{outline:2px solid var(--bt-blue);outline-offset:4px}@keyframes bt-enterprise-signal-flow{0%{transform:translateX(0)}to{transform:translateX(7%)}}@keyframes bt-enterprise-dots{0%{opacity:.35;transform:translate3d(0,2px,0)}to{opacity:.8;transform:translate3d(-8px,-2px,0)}}@keyframes bt-enterprise-boat-bob{0%,to{transform:translate(-50%) rotate(-.5deg)}50%{transform:translate(-50%,-4px) rotate(.7deg)}}@keyframes bt-enterprise-sail-sway{0%,to{transform:skewY(0)}50%{transform:skewY(-1.5deg)}}@keyframes bt-enterprise-wake{0%,to{opacity:.55;transform:scaleX(.94)}50%{opacity:.9;transform:scaleX(1.04)}}@media (max-width:767px){.bt-enterprise-feature{grid-template-columns:1fr;gap:1.75rem;padding:3.5rem 1.5rem}.bt-enterprise-figure{min-height:15.5rem}.bt-enterprise-figure__frame{inset:2.5rem .75rem 2.25rem;grid-template-columns:1.25rem minmax(0,1fr) 1.25rem;gap:.45rem}.bt-enterprise-figure__scene{min-height:9rem}.bt-enterprise-figure__caption,.bt-enterprise-figure__top{right:.75rem;left:.75rem;font-size:.45rem}.bt-enterprise-figure__vessel{transform:translateX(-50%) scale(.88);transform-origin:center bottom}}@media (prefers-reduced-motion:reduce){.bt-enterprise-feature__link{transition:none}.bt-enterprise-figure__sail,.bt-enterprise-figure__signal-field:after,.bt-enterprise-figure__signal-field:before,.bt-enterprise-figure__vessel,.bt-enterprise-figure__wake{animation:none}}.landing-chatbot{display:flex;flex-direction:column;gap:1.25rem}.landing-chatbot__intro,.landing-chatbot__intro-copy{display:flex;flex-direction:column;gap:1rem}.landing-chatbot__intro-copy{max-width:34rem}.landing-chatbot__intro-copy h2{margin:0;max-width:24ch}.landing-chatbot__intro-copy p{margin:0;max-width:44ch}@media (min-width:768px){.landing-chatbot__intro{flex-direction:row;justify-content:space-between;align-items:flex-start;gap:2.5rem}}.landing-chatbot__panel{overflow:hidden;border:1px solid var(--bt-rule);border-radius:14px;background:var(--bt-paper);box-shadow:0 14px 42px -38px rgba(41,41,41,.34)}.landing-chatbot__header{display:flex;justify-content:space-between;align-items:center;gap:1rem;min-height:52px;padding:.7rem 1.1rem;border-bottom:1px solid var(--bt-rule);color:var(--bt-ink);background:linear-gradient(180deg,#fff,#fdfdfd)}.landing-chatbot__identity{display:flex;gap:.65rem;align-items:center;min-width:0}.landing-chatbot__header .bt-mono{font-size:.7rem}.landing-chatbot__header-divider{width:1px;height:14px;background:var(--bt-rule)}.landing-chatbot__demo-meta{text-align:right}.landing-chatbot__status{width:7px;height:7px;flex:0 0 auto;border-radius:50%;background:var(--bt-ink);animation:lc-breathe 2.4s ease-in-out infinite}@keyframes lc-breathe{0%,to{opacity:1}50%{opacity:.3}}.landing-chatbot__reset{flex:0 0 auto;border:0;border-bottom:1px solid transparent;background:transparent;color:var(--bt-muted);cursor:pointer;padding:.25rem 0;transition:color .2s ease,border-color .2s ease}.landing-chatbot__reset:hover{color:var(--bt-ink);border-bottom-color:var(--bt-ink)}.landing-chatbot__reset:disabled{opacity:.4;cursor:not-allowed}.landing-chatbot__stage{display:grid;grid-template-columns:minmax(0,1fr)}.landing-chatbot__messages{min-width:0;min-height:220px;max-height:400px;overflow:auto;scroll-behavior:smooth;padding:1.25rem 1.1rem;display:flex;flex-direction:column;gap:1.25rem}.landing-chatbot__stage--empty .landing-chatbot__messages{min-height:250px;max-height:none;justify-content:center;background:#fcfcfc}.landing-chatbot__welcome{display:flex;flex-direction:column;gap:.75rem;width:min(100%,27rem);margin:auto;padding:1rem .25rem}.landing-chatbot__welcome p{margin:0}.landing-chatbot__welcome-eyebrow{font-size:.72rem}.landing-chatbot__welcome-title{max-width:13ch}.landing-chatbot__welcome-hint{max-width:34ch;font-size:.9rem;line-height:1.6}.landing-chatbot__prompt-panel{display:flex;flex-direction:column;gap:.5rem;min-width:0;padding:.8rem;border-top:1px solid var(--bt-rule)}.landing-chatbot__prompt-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem}.landing-chatbot__prompt-heading p{margin:0 0 .35rem;font-size:.72rem}.landing-chatbot__prompt-heading h3{margin:0;font-size:1rem;font-weight:500;letter-spacing:-.025em}.landing-chatbot__prompt-count{padding-top:.2rem;font-size:.7rem}.landing-chatbot__prompts{display:grid;grid-template-columns:minmax(0,1fr);gap:.45rem;margin:0;padding:0;list-style:none}.landing-chatbot__prompts li{min-width:0}.landing-chatbot__prompts button{display:flex;flex-direction:column;align-items:stretch;gap:.4rem;width:100%;min-height:100px;height:100%;padding:.65rem;border:1px solid var(--bt-rule);border-radius:8px;background:#fff;color:var(--bt-ink);cursor:pointer;text-align:left;font:inherit;transition:border-color .2s ease,background-color .2s ease,box-shadow .2s ease,transform .2s ease}.landing-chatbot__prompt-topline{display:flex;align-items:center;gap:.55rem}.landing-chatbot__prompt-index{color:var(--bt-ink);font-size:.68rem}.landing-chatbot__prompt-tag{min-width:0;font-size:.68rem}.landing-chatbot__prompt-arrow{width:15px;height:15px;flex:0 0 auto;margin-left:auto;color:var(--bt-muted);transition:transform .2s ease,color .2s ease}.landing-chatbot__prompt-text{font-size:.9rem;font-weight:500;line-height:1.32;text-wrap:pretty}.landing-chatbot__prompt-description{color:var(--bt-muted);font-size:.8rem;line-height:1.35;text-wrap:pretty}.landing-chatbot__prompts button:hover:not(:disabled){transform:translateY(-2px);border-color:#c9c9c9;background:#fdfdfd;box-shadow:0 8px 22px -18px rgba(41,41,41,.7)}.landing-chatbot__prompts button:hover:not(:disabled) .landing-chatbot__prompt-arrow{color:var(--bt-ink);transform:translate(2px,-2px)}.landing-chatbot__prompts button:disabled{opacity:.45;cursor:not-allowed}.landing-chatbot__message{display:flex;flex-direction:column;gap:.4rem;max-width:44rem;animation:lc-in .35s cubic-bezier(.22,1,.36,1)}@keyframes lc-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}.landing-chatbot__author{font-size:.62rem}.landing-chatbot__body{color:var(--bt-ink);font-size:.95rem;line-height:1.65}.landing-chatbot__message--user{align-self:flex-end;width:min(88%,38rem);align-items:flex-end}.landing-chatbot__message--user .landing-chatbot__body{white-space:pre-wrap;padding:.8rem 1rem;border-radius:14px 14px 4px 14px;background:#f4f4f4}.landing-chatbot__message--assistant .landing-chatbot__body p{margin:0}.landing-chatbot__message--assistant .landing-chatbot__body p+p,.landing-chatbot__message--assistant .landing-chatbot__body p+ul,.landing-chatbot__message--assistant .landing-chatbot__body ul+p{margin-top:.6rem}.landing-chatbot__message--assistant .landing-chatbot__body ul{margin:.3rem 0 0;padding-left:1.1rem;list-style:square}.landing-chatbot__message--assistant .landing-chatbot__body li+li{margin-top:.25rem}.landing-chatbot__message--assistant .landing-chatbot__body strong{font-weight:600}.landing-chatbot__message--error .landing-chatbot__body{color:var(--bt-muted)}.landing-chatbot__thinking{display:flex;align-items:center;gap:.6rem;color:var(--bt-muted);font-size:.85rem}.landing-chatbot__dots{display:inline-flex;gap:3px}.landing-chatbot__dots i{width:4px;height:4px;border-radius:50%;background:var(--bt-ink);animation:lc-pulse 1s ease-in-out infinite}.landing-chatbot__dots i:nth-child(2){animation-delay:.15s}.landing-chatbot__dots i:nth-child(3){animation-delay:.3s}@keyframes lc-pulse{0%,80%,to{opacity:.2}40%{opacity:1}}.landing-chatbot__cta{align-self:flex-start;color:var(--bt-ink);text-decoration:none;border-bottom:1px solid var(--bt-ink);padding-bottom:2px;transition:opacity .2s ease}.landing-chatbot__cta:hover{opacity:.65}.landing-chatbot__form{display:flex;gap:.75rem;align-items:center;padding:.9rem 1.25rem;border-top:1px solid var(--bt-rule);background:#fff}.landing-chatbot__form input{min-width:0;flex:1;min-height:48px;padding:0 1rem;border:1px solid var(--bt-rule);border-radius:999px;outline:none;background:#fafafa;color:var(--bt-ink);font:inherit;font-size:.9rem;transition:border-color .2s ease,background-color .2s ease,box-shadow .2s ease}.landing-chatbot__form input::-moz-placeholder{color:var(--bt-muted)}.landing-chatbot__form input::placeholder{color:var(--bt-muted)}.landing-chatbot__form input:focus{border-color:#aaa;box-shadow:0 0 0 3px rgba(41,41,41,.06)}.landing-chatbot__form input:disabled{cursor:not-allowed;opacity:.6}.landing-chatbot__send{display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;flex:0 0 auto;border:0;border-radius:50%;background:var(--bt-ink);color:var(--bt-paper);cursor:pointer;transition:opacity .2s ease,transform .2s ease}.landing-chatbot__send svg{width:18px;height:18px}.landing-chatbot__send:hover:not(:disabled){transform:translateY(-1px)}.landing-chatbot__send:disabled{opacity:.3;cursor:not-allowed}.landing-chatbot__footer{display:flex;justify-content:space-between;gap:1rem 2rem;padding:0 1.25rem 1.1rem}.landing-chatbot__note,.landing-chatbot__privacy{margin:0;font-size:.75rem;line-height:1.5}.landing-chatbot__note{max-width:58ch}.landing-chatbot__privacy{max-width:38ch;text-align:right}@media (min-width:380px){.landing-chatbot__prompts{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (min-width:960px){.landing-chatbot__stage--empty{grid-template-columns:minmax(0,1.05fr) minmax(0,1fr)}.landing-chatbot__stage--empty .landing-chatbot__messages{min-height:300px;border-right:1px solid var(--bt-rule)}.landing-chatbot__prompt-panel{border-top:0}}@media (max-width:640px){.landing-chatbot__header{align-items:center;padding:.7rem 1rem}.landing-chatbot__identity{flex-wrap:wrap;gap:.45rem}.landing-chatbot__header-divider,.landing-chatbot__identity>span:last-child{display:none}.landing-chatbot__demo-meta{max-width:11rem;font-size:.68rem!important}.landing-chatbot__stage--empty .landing-chatbot__messages{display:none}.landing-chatbot__prompt-panel{padding:.75rem 1rem;border-top:0}.landing-chatbot__form{gap:.5rem;padding:.7rem 1rem}.landing-chatbot__form input{min-height:46px;padding:0 .85rem;font-size:.875rem}.landing-chatbot__send{width:46px;height:46px}.landing-chatbot__footer{flex-direction:column;gap:.35rem;padding:0 1rem .85rem}.landing-chatbot__privacy{text-align:left}}@media (prefers-reduced-motion:reduce){.landing-chatbot__dots i,.landing-chatbot__message,.landing-chatbot__status{animation:none}.landing-chatbot__messages{scroll-behavior:auto}.landing-chatbot__prompt-arrow,.landing-chatbot__prompts button,.landing-chatbot__send{transition:none}}.landing-chatbot__panel{border-color:rgba(32,59,104,.12);border-radius:1.35rem;background:#fff;box-shadow:0 22px 60px -44px rgba(23,59,145,.36),0 10px 26px -24px rgba(243,107,63,.28)}.landing-chatbot__header{background:linear-gradient(120deg,#ffffff,#f7faff)}.landing-chatbot__status{background:var(--bt-blue);box-shadow:0 0 0 4px rgba(50,104,232,.11)}.landing-chatbot__stage--empty .landing-chatbot__messages{background:radial-gradient(18rem 14rem at 15% 10%,rgba(50,104,232,.1),transparent 75%),linear-gradient(145deg,#fbfdff,#f0f5ff)}.landing-chatbot__prompt-panel{background:linear-gradient(180deg,#fbfcff,#f7f9fd)}.landing-chatbot__prompts button{position:relative;overflow:hidden;border-color:rgba(50,104,232,.16);border-radius:.95rem;background:radial-gradient(75% 120% at 100% 0,rgba(69,128,255,.22),transparent 72%),linear-gradient(140deg,#ffffff,#f3f7ff);box-shadow:inset 0 1px 0 rgba(255,255,255,.85),0 8px 20px -18px rgba(23,59,145,.3);transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease,filter .2s ease}.landing-chatbot__prompts li:nth-child(2n) button{border-color:rgba(255,255,255,.12);background:radial-gradient(80% 120% at 100% 0,rgba(243,107,63,.42),transparent 72%),linear-gradient(145deg,#171c27,#0c111c 82%);color:#f8faff;box-shadow:inset 0 1px 0 rgba(255,255,255,.08),0 8px 22px -18px rgba(7,11,19,.8)}.landing-chatbot__prompts li:nth-child(2n) .landing-chatbot__prompt-arrow,.landing-chatbot__prompts li:nth-child(2n) .landing-chatbot__prompt-index{color:#ff9a75}.landing-chatbot__prompts li:nth-child(2n) .landing-chatbot__prompt-tag{color:rgba(242,246,255,.66)}.landing-chatbot__prompts li:nth-child(2n) .landing-chatbot__prompt-description{color:rgba(242,246,255,.72)}.landing-chatbot__prompts li:nth-child(odd) .landing-chatbot__prompt-arrow,.landing-chatbot__prompts li:nth-child(odd) .landing-chatbot__prompt-index{color:var(--bt-blue)}.landing-chatbot__prompts button:hover:not(:disabled){border-color:rgba(50,104,232,.38);background-color:transparent;filter:brightness(1.035);box-shadow:0 13px 25px -19px rgba(23,59,145,.55)}.landing-chatbot__prompts li:nth-child(2n) button:hover:not(:disabled){border-color:rgba(255,154,117,.48);box-shadow:0 13px 25px -19px rgba(7,11,19,.85)}.landing-chatbot__prompts button:focus-visible{outline:2px solid var(--bt-blue);outline-offset:3px}.landing-chatbot__form input:focus{border-color:var(--bt-blue);background:#fff;box-shadow:0 0 0 3px rgba(50,104,232,.12)}.landing-chatbot__send{background:var(--bt-blue)}.landing-chatbot__send:hover:not(:disabled){background:var(--bt-blue-deep)}.intel-layer{color:var(--bt-ink)}.intel-section{max-width:64rem;margin:0 auto;padding:5.5rem 1.5rem;border-top:1px solid var(--bt-rule)}.intel-section-head{max-width:45rem;margin-bottom:2.25rem}.intel-section-head h2{margin:.65rem 0 .9rem;font-size:clamp(2rem,4vw,3.35rem);line-height:1.04;letter-spacing:-.055em;font-weight:600}.intel-section-head p{max-width:58ch;color:var(--bt-muted);line-height:1.65}.intel-kicker,.intel-stack{display:block;color:var(--bt-blue-deep);font-family:var(--font-mono),monospace;font-size:.68rem;letter-spacing:.1em;text-transform:uppercase}.intel-method-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:.75rem}.intel-engine-card,.intel-method-card{min-width:0;border:1px solid rgba(28,52,91,.12);border-radius:1rem;background:rgba(255,255,255,.66);box-shadow:0 16px 36px -32px rgba(20,35,61,.55)}.intel-method-card{padding:1.2rem;min-height:12rem}.intel-number{color:var(--bt-blue);font:.7rem var(--font-mono),monospace}.intel-method-card h3{margin:2rem 0 .7rem;font-size:1rem;letter-spacing:-.03em}.intel-engine-card p,.intel-method-card p{color:var(--bt-muted);line-height:1.55;font-size:.86rem}.intel-engine-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.8rem}.intel-engine-card{padding:1.25rem;min-height:10rem}.intel-engine-card svg{color:var(--bt-blue)}.intel-engine-card h3{margin:1.25rem 0 .55rem;font-size:.98rem;letter-spacing:-.03em}.intel-compliance{display:flex;align-items:center;gap:.55rem;margin-top:1.4rem;color:var(--bt-muted);font-size:.75rem}.intel-compliance svg{flex:none;color:var(--bt-blue)}@media (max-width:850px){.intel-engine-grid,.intel-method-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:640px){.intel-section{padding:4rem 1rem}.intel-engine-grid,.intel-method-grid{grid-template-columns:1fr}.intel-method-card{min-height:auto}}@media (prefers-reduced-motion:reduce){.intel-layer *{transition-duration:.01ms!important;animation-duration:.01ms!important}}