:root {
  --cream:#f8f4e8;--paper:#fffdf7;--navy:#172d3d;--green:#58764e;--lime:#d7ed6e;
  --yellow:#f4d453;--terracotta:#d7774c;--pink:#f5c8c4;--muted:#627079;
  --line:rgba(23,45,61,.14);--shadow:0 24px 70px rgba(48,61,45,.12);
  color:var(--navy);background:var(--cream);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,Helvetica,sans-serif;font-synthesis:none
}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{min-width:320px;min-height:100vh;margin:0;background:radial-gradient(circle at 7% 10%,rgba(215,237,110,.3),transparent 23rem),radial-gradient(circle at 94% 75%,rgba(245,200,196,.38),transparent 26rem),var(--cream)}
button,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent}
button:focus-visible,a:focus-visible,textarea:focus-visible{outline:3px solid var(--terracotta);outline-offset:3px}
[hidden]{display:none!important}.survey-shell{width:min(1080px,calc(100% - 32px));margin:auto}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:82px}
.wordmark{display:inline-flex;align-items:center;gap:7px;color:inherit;text-decoration:none;font-weight:950;letter-spacing:-.06em}
.wordmark span{font-size:clamp(1.28rem,3vw,1.8rem)}.wordmark em{padding:4px 10px 5px;border-radius:999px;background:var(--lime);color:#315236;font-size:clamp(1.08rem,2.6vw,1.55rem);font-style:normal;transform:rotate(-2deg)}
.progress{display:flex;align-items:center;gap:6px;color:var(--muted);font-size:.72rem}.progress-dot{width:22px;height:5px;border-radius:9px;background:rgba(23,45,61,.13);transition:background 180ms ease}.progress-dot.is-active{background:var(--green)}.progress b{min-width:25px;margin-left:3px;font-weight:800}
.step{min-height:calc(100svh - 82px);padding:clamp(34px,5vw,66px) clamp(4px,3vw,30px) 52px;animation:appear 260ms ease both}@keyframes appear{from{opacity:0;transform:translateY(8px)}}
.kicker{display:flex;align-items:center;gap:8px;color:var(--green);font-size:.72rem;font-weight:900;letter-spacing:.1em}.kicker span{color:var(--terracotta);font-size:1rem}
h1,h2{margin:0;font-weight:850;letter-spacing:-.045em;text-wrap:balance}
h1 mark{display:inline;padding:0 .08em .04em;border-radius:.12em;background:var(--lime);color:inherit;box-decoration-break:clone;-webkit-box-decoration-break:clone}
.intro-card{display:grid;grid-template-columns:1.12fr .88fr;min-height:520px;overflow:hidden;border:1px solid rgba(23,45,61,.09);border-radius:28px;background:var(--paper);box-shadow:var(--shadow)}
.intro-copy{display:flex;flex-direction:column;justify-content:center;padding:clamp(38px,6vw,72px)}
.lat-intro{margin-top:14px;font-size:clamp(3.1rem,6vw,5.8rem);line-height:.98}
.founder-role{margin:12px 0 0;color:var(--green);font-size:1rem;font-weight:750;line-height:1.5}
.project-story{max-width:560px;margin-top:25px;color:#4d5b63;font-size:1rem;line-height:1.58}.project-story p{margin:0}.project-story p+p{margin-top:10px}.project-story strong{color:var(--green)}
.intro-art{position:relative;display:flex;align-items:flex-end;justify-content:center;overflow:hidden;background:#dce78e}
.intro-art:after{position:absolute;right:-60px;top:40px;width:260px;aspect-ratio:1;border-radius:50%;background:var(--yellow);content:""}
.intro-art img{z-index:2;width:min(94%,470px);height:auto;margin-bottom:-20px;filter:drop-shadow(0 18px 18px rgba(40,59,31,.16))}
.intro-art .speech-bubble{top:8%;left:7%}
.question-block{max-width:760px;margin-top:74px}.question-block h2{margin-top:14px;font-size:clamp(1.75rem,3vw,2.65rem);font-weight:700;line-height:1.18;letter-spacing:-.025em}
.question-note{margin:16px 0 0;color:var(--muted);font-size:1rem;line-height:1.5}
.choice-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:28px}
.choice-card{display:grid;grid-template-columns:22px 1fr;gap:13px;align-items:center;width:100%;min-height:68px;padding:14px 16px;border:1px solid var(--line);border-radius:14px;background:var(--paper);color:var(--navy);cursor:pointer;text-align:left;transition:border-color 140ms ease,background 140ms ease}
.choice-card:hover{border-color:rgba(23,45,61,.34);background:#fff}.choice-card.is-selected{border-color:var(--green);background:rgba(215,237,110,.12)}
.choice-radio{width:18px;height:18px;border:1.5px solid rgba(23,45,61,.35);border-radius:50%;box-shadow:inset 0 0 0 4px var(--paper)}
.choice-card.is-selected .choice-radio{border-color:var(--green);background:var(--green)}
.choice-card strong{display:block;font-size:.96rem;font-weight:650;line-height:1.35}.choice-card strong span{color:var(--muted);font-weight:450}.choice-card--other{grid-column:1/-1}
.anonymous-note{display:flex;align-items:center;justify-content:center;gap:8px;margin:22px 0 0;color:var(--muted);font-size:.78rem;text-align:center}.anonymous-note span{color:var(--green);font-weight:900}
.back-button{margin-bottom:22px;padding:8px 0;border:0;background:transparent;color:var(--muted);cursor:pointer;font-size:.82rem}
.story-layout{display:grid;grid-template-columns:.78fr 1.22fr;width:min(920px,100%);min-height:610px;margin:0 auto;overflow:hidden;border:1px solid rgba(23,45,61,.09);border-radius:30px;background:var(--paper);box-shadow:var(--shadow)}
.lat-panel{position:relative;display:flex;align-items:flex-end;justify-content:center;overflow:hidden;background:var(--lime)}.lat-panel:after{position:absolute;right:-80px;bottom:-70px;width:260px;aspect-ratio:1;border-radius:50%;background:var(--yellow);content:""}
.lat-panel img{z-index:2;width:min(110%,410px);height:auto;margin-bottom:-34px;filter:drop-shadow(0 17px 17px rgba(40,59,31,.16))}
.speech-bubble{position:absolute;z-index:3;top:9%;left:7%;padding:14px 17px;border:2px solid var(--navy);border-radius:17px 17px 17px 4px;background:var(--paper);font-size:1rem;line-height:1.3;transform:rotate(-3deg)}
.story-form{align-self:center;padding:clamp(34px,6vw,72px)}.story-form h2{margin-top:14px;font-size:clamp(2.6rem,5vw,4.7rem);line-height:1}.story-form>p{margin:18px 0 0;color:var(--muted);line-height:1.55}
.textarea-wrap{position:relative;margin-top:25px}textarea{display:block;width:100%;min-height:180px;max-height:360px;resize:none;padding:17px 18px 38px;border:1.5px solid var(--line);border-radius:18px;outline:none;background:#fff;color:var(--navy);font-size:.98rem;line-height:1.55}textarea::placeholder{color:rgba(23,45,61,.42)}textarea:focus{border-color:var(--green);box-shadow:0 0 0 5px rgba(215,237,110,.38)}
.count{position:absolute;right:14px;bottom:11px;color:var(--muted);font-size:.7rem}
.privacy-assurance{display:grid;grid-template-columns:auto 1fr;gap:11px;align-items:center;margin-top:12px;padding:11px 13px;border-radius:13px;background:rgba(215,237,110,.2)}.privacy-assurance span{color:var(--green);font-size:.65rem;font-weight:950;letter-spacing:.09em}.privacy-assurance p{margin:0;color:#526069;font-size:.75rem;line-height:1.4}
.primary-button,.zalo-button{display:flex;align-items:center;justify-content:space-between;width:100%;min-height:56px;margin-top:16px;padding:0 18px;border:0;border-radius:15px;background:var(--navy);color:#fff;cursor:pointer;font-weight:850;text-decoration:none;box-shadow:0 10px 24px rgba(23,45,61,.16)}.primary-button:disabled{cursor:wait;opacity:.65}
.skip-button,.anonymous-button{display:block;margin:15px auto 0;padding:5px;border:0;background:transparent;color:var(--muted);cursor:pointer;font-size:.82rem;text-decoration:underline;text-underline-offset:4px}
.step-three{padding-top:24px}.thanks-card{position:relative;display:grid;grid-template-columns:.82fr 1.18fr;width:min(920px,100%);min-height:610px;margin:0 auto;overflow:hidden;border:1px solid rgba(23,45,61,.09);border-radius:31px;background:var(--paper);box-shadow:var(--shadow)}
.thanks-brand{position:absolute;z-index:4;top:22px;left:24px;font-weight:950;letter-spacing:-.05em}.thanks-brand span{padding:3px 8px 4px;border-radius:99px;background:var(--lime);color:#315236}
.thanks-art{position:relative;display:flex;align-items:flex-end;justify-content:center;overflow:hidden;background:var(--yellow)}.thanks-art:after{position:absolute;right:-70px;bottom:-80px;width:240px;aspect-ratio:1;border-radius:50%;background:var(--pink);content:""}.thanks-art img{z-index:2;width:min(110%,390px);height:auto;margin-bottom:-42px;filter:drop-shadow(0 15px 16px rgba(63,52,25,.16))}
.spark{position:absolute;z-index:3;color:var(--terracotta);font-size:2rem}.spark--one{top:18%;right:12%}.spark--two{bottom:26%;left:8%;font-size:1rem}
.thanks-copy{display:flex;flex-direction:column;justify-content:center;padding:58px clamp(34px,6vw,70px) 42px}.thanks-copy h2{margin-top:14px;font-size:clamp(2.7rem,5vw,4.7rem);line-height:.98}
blockquote{margin:21px 0 0;padding:14px 16px;border-left:4px solid var(--terracotta);border-radius:0 12px 12px 0;background:rgba(215,119,76,.08);font-size:1rem;font-style:italic;font-weight:650;line-height:1.48}
.contact-invite{margin:21px 0 0;color:#526069;font-size:.86rem;line-height:1.55}.final-actions{margin-top:2px}.zalo-button{background:#1769e0}.anonymous-button{color:var(--navy)}
.submit-status{min-height:1.4em;margin:10px 0 0;color:#a3452e;font-size:.83rem;line-height:1.45;text-align:center}
.anonymous-confirmation{margin:14px 0 0;padding:11px;border-radius:12px;background:rgba(215,237,110,.25);color:var(--green);font-size:.83rem;font-weight:800;text-align:center}.success-domain{margin-top:20px;color:var(--green);font-size:.74rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}
@media(max-width:760px){
 .survey-shell{width:min(100% - 20px,650px)}.topbar{min-height:68px;padding:0 3px}.progress-dot{width:16px}.step{min-height:calc(100svh - 68px);padding:26px 3px 38px}
 .intro-card{grid-template-columns:1fr;min-height:auto;border-radius:23px}.intro-copy{padding:36px 23px 29px}.lat-intro{font-size:clamp(3rem,15vw,4.8rem)}.project-story{margin-top:21px;font-size:.94rem}.intro-art{min-height:310px}.intro-art img{width:min(74%,330px);margin-bottom:-35px}.intro-art .speech-bubble{top:7%;font-size:.88rem}
 .question-block{margin-top:61px}.question-block h2{font-size:clamp(1.65rem,7.5vw,2.2rem);line-height:1.2}.question-note{margin-top:12px}.choice-grid{grid-template-columns:1fr;gap:8px;margin-top:21px}.choice-card{min-height:60px;padding:12px 13px;border-radius:12px}.choice-card--other{grid-column:auto}.anonymous-note{margin-top:17px;padding-inline:12px}
 .back-button{margin:-3px 0 12px 4px}.story-layout,.thanks-card{grid-template-columns:1fr;min-height:auto;border-radius:24px}.lat-panel{min-height:235px}.lat-panel img{width:min(55%,250px);margin-bottom:-38px}.speech-bubble{top:10%;left:7%;font-size:.86rem}
 .story-form{padding:29px 21px 27px}.story-form h2{font-size:clamp(2.5rem,12vw,3.8rem)}.story-form>p{margin-top:13px;font-size:.9rem}.textarea-wrap{margin-top:18px}textarea{min-height:145px}
 .thanks-art{min-height:245px}.thanks-art img{width:min(56%,230px);margin-bottom:-48px}.thanks-brand{top:17px;left:18px;font-size:.85rem}.thanks-copy{padding:30px 22px 28px;text-align:center}.thanks-copy .kicker{justify-content:center}.thanks-copy h2{font-size:clamp(2.55rem,12vw,3.8rem)}blockquote{margin-top:19px;text-align:left}.contact-invite{font-size:.82rem}
}
@media(max-width:380px){.choice-card{grid-template-columns:20px 1fr;gap:10px}.choice-card strong{font-size:.92rem}.choice-card small{font-size:.7rem}.intro-art{min-height:275px}.lat-panel,.thanks-art{min-height:215px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}