:root{--deep:#06191d;--sea:#0b3434;--surface:#103e43;--line:#315f61;--mint:#82e7ba;--gold:#f4c866;--ink:#effcf8;--muted:#aac8c1}*{box-sizing:border-box}body{margin:0;min-height:100vh;color:var(--ink);font-family:Inter,"Noto Sans Thai",system-ui,sans-serif;background:radial-gradient(circle at 90% 0,#1a5b53 0,transparent 32rem),linear-gradient(145deg,var(--deep),#0b2d33)}.survey-hero{display:grid;width:min(1050px,calc(100% - 32px));margin:auto;padding:38px 0 25px;grid-template-columns:180px 1fr;align-items:center;gap:40px}.survey-hero img{width:170px}.survey-hero span{color:var(--gold);font-size:.72rem;font-weight:900;letter-spacing:.14em}.survey-hero h1{margin:8px 0;font-family:Georgia,"Noto Serif Thai",serif;font-size:clamp(2rem,5vw,3.5rem);line-height:1.05}.survey-hero p{margin:0;color:var(--muted)}main{width:min(920px,calc(100% - 32px));margin:0 auto 60px}.survey-progress{display:flex;align-items:center;gap:16px;margin-bottom:12px;color:var(--muted);font-size:.72rem}.survey-progress i{height:7px;flex:1;overflow:hidden;border-radius:99px;background:#244b4d}.survey-progress b{display:block;width:14.28%;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--mint),var(--gold));transition:width .25s}form,.survey-success{border:1px solid var(--line);border-radius:22px;padding:clamp(20px,4vw,40px);background:linear-gradient(160deg,rgba(18,62,67,.94),rgba(7,32,38,.96));box-shadow:0 26px 80px rgba(0,0,0,.28)}.survey-step{display:none}.survey-step.is-active{display:block}.step-heading{display:flex;align-items:center;gap:14px;margin-bottom:24px}.step-heading>span{display:grid;width:46px;height:46px;place-items:center;border:1px solid #b9934d;border-radius:50%;color:var(--gold);font-weight:900}.step-heading h2{margin:0;color:#f7e4b9}.step-heading p{margin:3px 0 0;color:var(--muted);font-size:.78rem}.field-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px;margin-bottom:18px}.wide{grid-column:1/-1}label>span,legend{display:block;margin-bottom:7px;color:#cee0db;font-size:.78rem;font-weight:700}small{color:#88aaa3;font-weight:500}input,select,textarea{width:100%;border:1px solid #497173;border-radius:11px;padding:11px 12px;background:#092c33;color:var(--ink);font:inherit}textarea{min-height:90px;resize:vertical}input:focus,select:focus,textarea:focus{outline:2px solid rgba(130,231,186,.35);border-color:var(--mint)}fieldset{margin:0 0 20px;border:0;padding:0}.choice-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.choice-grid label{display:flex;align-items:center;gap:9px;border:1px solid #3d6265;border-radius:11px;padding:10px;background:#0b3037;cursor:pointer}.choice-grid label:has(input:checked){border-color:#b89550;background:#173f40;box-shadow:inset 0 0 0 1px rgba(244,200,102,.15)}.choice-grid input,.consent-box input{width:17px;height:17px;flex:0 0 auto;accent-color:#62c89c}.choice-grid span{margin:0;font-size:.72rem}.range-field{display:block;margin-top:20px}.range-field span{display:flex;justify-content:space-between}.range-field strong{color:var(--gold)}.consent-box{display:grid;margin-top:18px;border:1px solid #41686a;border-radius:14px;padding:15px;gap:12px;background:#0a2d33}.consent-box label{display:flex;align-items:flex-start;gap:10px}.consent-box span{margin:0}.form-error{min-height:20px;color:#ffad92;font-size:.75rem}.form-actions{display:flex;align-items:center;justify-content:space-between;margin-top:18px;border-top:1px solid #31565a;padding-top:18px}.form-actions button,.survey-success a{border:1px solid #6da895;border-radius:99px;padding:10px 20px;background:transparent;color:var(--ink);cursor:pointer;font-weight:800;text-decoration:none}.form-actions #next,.form-actions #submit,.survey-success a{border-color:var(--mint);background:var(--mint);color:#06231f}.form-actions button:disabled{opacity:.45;cursor:wait}#step-dots{color:#769790;font-size:.65rem}.survey-success{text-align:center}.survey-success>span{display:grid;width:62px;height:62px;margin:auto;place-items:center;border-radius:50%;background:var(--mint);color:#063126;font-size:1.5rem}.survey-success h2{color:#f7e4b9}.survey-success p{margin-bottom:28px;color:var(--muted)}@media(max-width:650px){.survey-hero{grid-template-columns:1fr;gap:14px;padding-top:24px}.survey-hero img{width:130px}.field-grid,.choice-grid{grid-template-columns:1fr}.wide{grid-column:auto}form{padding:18px}.step-heading{align-items:flex-start}.form-actions{gap:8px}.form-actions button{padding:9px 14px}}