.mastery-login{min-height:calc(100vh - 90px);display:grid;place-items:center;padding:clamp(32px,6vw,88px) 24px;background:radial-gradient(circle at 14% 18%,rgba(99,221,200,.14),transparent 27%),radial-gradient(circle at 88% 76%,rgba(166,121,78,.10),transparent 28%),#f6f1e7;color:#0b2c3d}.mastery-login__shell{width:min(1120px,100%);display:grid;grid-template-columns:1.08fr .92fr;background:rgba(255,255,255,.72);border:1px solid rgba(11,44,61,.12);border-radius:28px;overflow:hidden;box-shadow:0 28px 80px rgba(11,44,61,.12)}.mastery-login__intro{padding:clamp(42px,6vw,76px);background:linear-gradient(145deg,#0a3041,#0c4050);color:#f9f5ed;position:relative}.mastery-login__intro:after{content:"";position:absolute;width:240px;height:240px;border:1px solid rgba(102,224,201,.18);border-radius:50%;right:-90px;bottom:-110px}.mastery-login__brand{width:52px;height:52px;display:grid;place-items:center;border-radius:14px;background:#67ddc9;color:#0b3443;font:italic 700 27px Georgia,serif;transform:rotate(-4deg);box-shadow:0 10px 28px rgba(0,0,0,.18)}.mastery-login__eyebrow,.mastery-login__card-kicker{font-size:11px;font-weight:800;letter-spacing:.18em;margin:26px 0 12px}.mastery-login__intro h1{font:500 clamp(42px,5vw,68px)/.98 Georgia,serif;max-width:520px;margin:0 0 24px}.mastery-login__lead{font-size:18px;line-height:1.65;max-width:530px;color:rgba(255,255,255,.82)}.mastery-login__promise{display:grid;grid-template-columns:42px 1fr;gap:18px 14px;margin-top:42px;max-width:520px}.mastery-login__promise span{font:600 13px Georgia,serif;color:#67ddc9;border-top:1px solid rgba(103,221,201,.5);padding-top:8px}.mastery-login__promise p{margin:0;line-height:1.5;color:rgba(255,255,255,.7)}.mastery-login__promise strong{color:#fff;font-size:15px}.mastery-login__card{padding:clamp(42px,6vw,72px);display:flex;flex-direction:column;justify-content:center}.mastery-login__card-kicker{color:#9b6a45;margin-top:0}.mastery-login__card h2{font:500 clamp(30px,3vw,42px)/1.08 Georgia,serif;margin:0 0 12px}.mastery-login__hint{color:#62727a;line-height:1.55;margin:0 0 30px}.mastery-login__form{display:grid;gap:10px}.mastery-login__form label{font-size:13px;font-weight:800;margin-top:8px}.mastery-login__form input{width:100%;box-sizing:border-box;border:1px solid #c9d0d0;background:#fff;border-radius:12px;padding:15px 16px;font-size:16px;color:#0b2c3d;outline:none}.mastery-login__form input:focus{border-color:#188b82;box-shadow:0 0 0 4px rgba(24,139,130,.10)}.mastery-login__form button{border:0;border-radius:12px;background:#0b3046;color:#fff;padding:16px 20px;font-weight:800;margin-top:16px;cursor:pointer;box-shadow:0 10px 24px rgba(11,48,70,.16)}.mastery-login__form button:hover{transform:translateY(-1px)}.mastery-login__links{display:flex;justify-content:space-between;gap:18px;margin-top:22px;font-size:13px}.mastery-login__links a{color:#176c72;text-decoration:none;border-bottom:1px solid rgba(23,108,114,.3)}.mastery-login__support{margin:30px 0 0;padding-top:22px;border-top:1px solid #e2ddd3;color:#758087;font-size:12px;line-height:1.55}@media(max-width:820px){.mastery-login{padding:18px}.mastery-login__shell{grid-template-columns:1fr;border-radius:20px}.mastery-login__intro{padding:36px 28px}.mastery-login__intro h1{font-size:42px}.mastery-login__promise{display:none}.mastery-login__card{padding:36px 28px}.mastery-login__links{flex-direction:column}}