/* IITECH SI v2 — minimal black, big white type. Scoped. */
.ai-x{--ai-amber:#F5B544;--ai-mono:ui-monospace,"SFMono-Regular","JetBrains Mono",Menlo,Consolas,monospace;position:relative;background:#000;color:#fff;padding:clamp(88px,12vw,168px) 0 clamp(72px,10vw,140px);overflow:hidden;isolation:isolate}
.ai-x *{box-sizing:border-box}
.ai-x .ai-wrap{width:min(1160px,100% - 40px);margin-inline:auto;position:relative;z-index:1}
.ai-eyebrow{font-family:var(--ai-mono);font-size:12.5px;letter-spacing:.18em;text-transform:uppercase;color:rgba(255,255,255,.6);margin:0 0 28px}
.ai-x h2,.ai-x h1{font-family:"Barlow",system-ui,sans-serif;font-weight:500;font-size:clamp(2.7rem,8vw,6.4rem);line-height:.98;letter-spacing:-.035em;margin:0 0 28px;color:#fff;max-width:14ch;overflow-wrap:break-word}
.ai-x h1{font-size:clamp(2.5rem,7vw,5.4rem)}
.ai-sub{font-size:clamp(1.1rem,2vw,1.45rem);line-height:1.45;color:rgba(255,255,255,.72);max-width:40ch;margin:0 0 44px;font-weight:400}
.ai-offer{font-family:"Barlow",system-ui,sans-serif;font-weight:500;font-size:clamp(1.6rem,3.6vw,2.6rem);letter-spacing:-.02em;margin:0 0 10px;color:var(--ai-amber);text-shadow:0 0 40px rgba(245,181,68,.35)}
.ai-priceline{font-size:clamp(1.05rem,1.8vw,1.25rem);color:#fff;margin:0 0 8px;display:flex;flex-wrap:wrap;align-items:center;gap:6px 14px}
.ai-priceline b{font-weight:600}
.ai-cur{appearance:none;-webkit-appearance:none;background:transparent url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") no-repeat right 10px center/14px;color:#fff;border:1px solid rgba(255,255,255,.25);border-radius:999px;padding:6px 32px 6px 14px;font:500 14px/1.2 var(--ai-mono);letter-spacing:.06em;cursor:pointer}
[dir=rtl] .ai-cur{background-position:left 10px center;padding:6px 14px 6px 32px}
.ai-cur option{background:#111;color:#fff}
.ai-note{font-size:.85rem;color:rgba(255,255,255,.5);margin:0 0 40px;max-width:60ch;line-height:1.5}
.ai-ctas{display:flex;flex-wrap:wrap;gap:14px}
.ai-pill{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:14px 28px;border-radius:999px;font-weight:600;font-size:1rem;text-decoration:none;transition:background .2s,box-shadow .2s,transform .2s;border:1px solid rgba(255,255,255,.25);color:#fff;background:transparent;cursor:pointer;font-family:inherit;text-align:center}
.ai-pill.solid{background:#fff;color:#000;border-color:#fff;box-shadow:0 0 0 rgba(255,255,255,0)}
.ai-pill.solid:hover,.ai-pill.solid:focus-visible{box-shadow:0 0 36px rgba(255,255,255,.28);transform:translateY(-1px)}
.ai-pill:not(.solid):hover{background:rgba(255,255,255,.08)}
.ai-visual{position:relative;margin:clamp(64px,9vw,120px) 0 0;width:100%;aspect-ratio:21/9;max-height:620px}
.ai-visual img{width:100%;height:100%;object-fit:cover;display:block;-webkit-mask-image:radial-gradient(ellipse 75% 80% at 50% 50%,#000 45%,transparent 100%);mask-image:radial-gradient(ellipse 75% 80% at 50% 50%,#000 45%,transparent 100%)}
.ai-visual::before{content:"";position:absolute;inset:10% 15%;background:radial-gradient(closest-side,rgba(245,181,68,.22),transparent);filter:blur(40px);z-index:-1}
.ai-three{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(28px,4vw,64px);margin-top:clamp(48px,7vw,96px)}
.ai-three h3{font-family:"Barlow",system-ui,sans-serif;font-weight:500;font-size:clamp(1.3rem,2.2vw,1.7rem);letter-spacing:-.015em;margin:0 0 10px;color:#fff}
.ai-three p{margin:0;color:rgba(255,255,255,.6);line-height:1.55}
.ai-fine{margin-top:clamp(48px,6vw,80px);color:rgba(255,255,255,.42);font-size:.85rem;line-height:1.6;max-width:80ch}
.ai-fine a{color:rgba(255,255,255,.75)}
.ai-glow{position:absolute;left:50%;top:-20%;width:900px;height:600px;transform:translateX(-50%);background:radial-gradient(closest-side,rgba(255,255,255,.07),transparent);pointer-events:none;z-index:0}
@media (max-width:860px){.ai-three{grid-template-columns:1fr}.ai-visual{aspect-ratio:4/3}}
@media (max-width:560px){.ai-ctas{flex-direction:column}.ai-pill{width:100%}}
/* signup + legal */
.ai-page{background:#000;padding-top:clamp(150px,14vw,190px)}
.ai-two{display:grid;grid-template-columns:1.35fr 1fr;gap:clamp(32px,6vw,88px);align-items:start;margin-top:56px}
.ai-form{display:grid;grid-template-columns:1fr 1fr;gap:22px 24px}
.ai-form .full{grid-column:1/-1}
.ai-form label,.ai-form legend{display:block;font-size:.9rem;margin-bottom:8px;color:rgba(255,255,255,.8);font-weight:500}
.ai-form input[type=text],.ai-form input[type=email],.ai-form input[type=tel],.ai-form select,.ai-form textarea{width:100%;min-height:50px;padding:12px 16px;border-radius:14px;border:1px solid rgba(255,255,255,.18);background:#0b0b0b;color:#fff;font:inherit;font-size:1rem}
.ai-form textarea{min-height:120px;resize:vertical}
.ai-form input:focus,.ai-form select:focus,.ai-form textarea:focus{outline:none;border-color:rgba(255,255,255,.6);box-shadow:0 0 0 4px rgba(255,255,255,.08)}
.ai-form .hint{color:rgba(255,255,255,.45);font-size:.8rem;margin-top:6px}
.ai-check{display:flex;gap:12px;align-items:flex-start;color:rgba(255,255,255,.75);font-size:.95rem;line-height:1.5}
.ai-check input{width:20px;height:20px;flex:0 0 20px;margin-top:2px;accent-color:#fff}
.ai-check a,.ai-legal a{color:#fff}
.ai-radio{display:flex;flex-wrap:wrap;gap:24px}
.ai-hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;overflow:hidden}
.ai-quiet{color:rgba(255,255,255,.6);line-height:1.6;margin:0}
.ai-side h3{font-weight:500;font-size:1.3rem;margin:0 0 18px}
.ai-side ul{list-style:none;margin:0 0 28px;padding:0;display:grid;gap:12px}
.ai-side li{color:rgba(255,255,255,.7);line-height:1.5;padding-inline-start:22px;position:relative}
.ai-side li::before{content:"";position:absolute;inset-inline-start:0;top:.6em;width:8px;height:8px;border-radius:50%;background:#fff;box-shadow:0 0 12px rgba(255,255,255,.6)}
.ai-legal{max-width:780px}
.ai-legal h2{font-size:1.4rem;font-weight:500;letter-spacing:-.01em;margin:40px 0 12px;color:#fff;max-width:none}
.ai-legal p,.ai-legal li{color:rgba(255,255,255,.7);line-height:1.7}
.ai-draft{border:1px solid #c98a00;color:#ffd58a;padding:12px 16px;border-radius:14px;font-weight:600;margin-bottom:28px}
.ai-err{border:1px solid rgba(255,90,90,.5);color:#ffcaca;padding:12px 16px;border-radius:14px}
@media (max-width:900px){.ai-two{grid-template-columns:1fr}.ai-form{grid-template-columns:1fr}}

/* IITECH SI: "Why SI?" explainer */
.ai-x .ai-why{max-width:760px;margin:56px auto 8px;padding:28px 0 0;border-top:1px solid rgba(255,255,255,.12);text-align:left}
.ai-x .ai-why h3{margin:0 0 10px;font-size:1.25rem;color:#fff}
.ai-x .ai-why p{color:rgba(255,255,255,.72);line-height:1.6;margin:0 0 14px}
.ai-x .ai-why .ai-reading-h{margin:18px 0 6px;text-transform:uppercase;letter-spacing:.08em}
.ai-x .ai-reading{list-style:none;margin:0 0 16px;padding:0;font-size:.8rem;line-height:1.55}
.ai-x .ai-reading li{margin:0 0 4px}
.ai-x .ai-reading a{color:rgba(255,255,255,.62);text-decoration:underline;text-underline-offset:2px;overflow-wrap:anywhere}
.ai-x .ai-reading a:hover{color:#fff}
.ai-x .ai-why .ai-disclaim{color:rgba(255,255,255,.55)}