:root{--bg:#f5f7f6;--ink:#20362e;--muted:#75817b;--green:#145a46;--line:#e3e9e5;--light:#eaf3ed;--red:#a3443a;font-family:Inter,"Segoe UI",system-ui,sans-serif;color:var(--ink);background:var(--bg)}*{box-sizing:border-box}body{margin:0;background:linear-gradient(120deg,#eaf3ed 0 44%,#fff 44%);font-size:16px;line-height:1.55}a{color:inherit}header{height:76px;display:flex;align-items:center;justify-content:space-between;padding:0 max(30px,calc((100vw - 1160px)/2));border-bottom:1px solid var(--line);background:#ffffffeb}header img{width:142px;display:block}header span{color:var(--muted);font-size:.86rem;font-weight:600}main{width:min(1080px,calc(100% - 40px));min-height:calc(100vh - 76px);margin:auto;display:grid;grid-template-columns:.84fr 1.16fr;gap:85px;align-items:center;padding:55px 0}.back{display:block;margin-bottom:70px;color:var(--muted);font-size:.9rem;text-decoration:none}.eyebrow{color:var(--green);font-size:.76rem;font-weight:700;letter-spacing:.13em;text-transform:uppercase}.checkout-copy h1{margin:18px 0;font-size:clamp(2.8rem,5vw,4.6rem);font-weight:600;line-height:1.05;letter-spacing:-.055em}.checkout-copy>p{max-width:440px;color:var(--muted);font-size:1.05rem}.secure-note{display:grid;margin-top:45px;padding-left:18px;border-left:3px solid var(--green)}.secure-note span{color:var(--muted);font-size:.86rem}.checkout-card{padding:36px;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:0 24px 70px #20362e14}.plan-summary{display:flex;align-items:center;justify-content:space-between;padding-bottom:22px;border-bottom:1px solid var(--line)}.plan-summary small{color:var(--muted)}.plan-summary h2{margin:2px 0 0;font-size:1.5rem;font-weight:600}.plan-summary button{color:var(--green);background:var(--light);border:0;border-radius:9px;padding:8px 13px;font-weight:600;cursor:pointer}.plan-picker{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin:15px 0}.plan-picker a{display:flex;justify-content:space-between;gap:8px;padding:10px;border:1px solid var(--line);border-radius:9px;text-decoration:none;font-size:.8rem}.plan-picker a.active{border-color:var(--green);background:var(--light)}.plan-picker span{color:var(--muted)}form{margin-top:24px}.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}label{display:grid;gap:7px;margin-bottom:16px;font-size:.82rem;font-weight:600}input{width:100%;padding:12px 13px;border:1px solid #d9e2dc;border-radius:9px;outline:none;font:inherit;color:var(--ink)}input:focus{border-color:#55957b;box-shadow:0 0 0 3px #145a4610}label small{color:var(--muted);font-weight:400}fieldset{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:4px 0 20px;padding:0;border:0}legend{grid-column:1/3;margin-bottom:8px;font-size:.82rem;font-weight:600}.radio{display:block;position:relative;margin:0}.radio input{position:absolute;opacity:0}.radio span{display:grid;padding:12px 14px;border:1px solid var(--line);border-radius:9px}.radio small{color:var(--muted)}.radio input:checked+span{border-color:var(--green);background:var(--light);box-shadow:inset 0 0 0 1px var(--green)}.terms{display:flex;grid-template-columns:18px 1fr;align-items:start;gap:9px;color:var(--muted);font-weight:400}.terms input{width:18px;height:18px;margin-top:2px}.terms a,.login-link a{color:var(--green)}.submit{width:100%;display:flex;align-items:center;justify-content:space-between;padding:14px 17px;color:#fff;background:var(--green);border:0;border-radius:9px;font:600 1rem Inter;cursor:pointer}.submit:hover{background:#104a39}.login-link{text-align:center;color:var(--muted);font-size:.84rem}.notice{margin-bottom:18px;padding:12px 14px;background:#fbf5e8;border:1px solid #eadbb9;border-radius:9px;font-size:.88rem}.notice.error{color:var(--red);background:#faeeeb;border-color:#e7c3bd}@media(max-width:820px){body{background:var(--bg)}main{grid-template-columns:1fr;gap:35px}.back{margin-bottom:35px}.checkout-card{padding:28px}.secure-note{margin-top:28px}}@media(max-width:540px){header{height:68px;padding:0 18px}header span{display:none}main{width:calc(100% - 28px);padding:35px 0}.field-grid,fieldset{grid-template-columns:1fr}legend{grid-column:auto}.checkout-copy h1{font-size:2.7rem}.checkout-card{padding:22px}.plan-picker{grid-template-columns:1fr}}