:root{--ink:#17231e;--green:#174f3c;--mint:#d9efe5;--cream:#f6f1e7;--paper:#fffdf8;--line:#c9c5b9;--orange:#ef7b45}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--cream);color:var(--ink);font-family:Arial,Helvetica,sans-serif}
.topbar{height:76px;padding:0 clamp(20px,5vw,78px);display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:rgba(255,253,248,.92);position:sticky;top:0;z-index:20;backdrop-filter:blur(10px)}
a{color:inherit;text-decoration:none}
.brand{display:flex;align-items:center;gap:12px;font-size:10px;letter-spacing:.12em;line-height:1.25}
.brand b{font-size:12px}
.brand-mark{width:38px;height:38px;border:1px solid var(--ink);display:grid;place-items:center;background:var(--green);color:white;font-weight:800}
.back{font-size:11px;font-weight:800;letter-spacing:.08em;border-bottom:1px solid;padding-bottom:4px}
.hero{min-height:310px;padding:64px clamp(20px,7vw,110px);display:grid;grid-template-columns:auto minmax(0,780px) 1fr;gap:28px;align-items:start;background:var(--green);color:white;position:relative;overflow:hidden}
.hero:after{content:"⌁";position:absolute;right:5%;bottom:-75px;font-size:260px;color:rgba(255,255,255,.06)}
.hero-number{font-family:Georgia,serif;font-size:18px;border-top:1px solid white;padding-top:12px}
.eyebrow,.section-heading p{font-size:10px;font-weight:800;letter-spacing:.18em;margin:0 0 12px}
.hero h1{font-family:Georgia,serif;font-size:clamp(42px,6vw,78px);font-weight:400;line-height:.95;margin:0 0 24px;max-width:780px}
.hero p:not(.eyebrow){font-size:16px;line-height:1.6;max-width:650px;margin:0;color:#dbe8e1}
.hero-stat{justify-self:end;display:flex;align-items:flex-start;gap:10px;border-top:1px solid rgba(255,255,255,.5);padding-top:10px}
.hero-stat strong{font:54px Georgia,serif}
.hero-stat span{font-size:10px;line-height:1.4;text-transform:uppercase}
.library,.builder{padding:64px clamp(20px,6vw,92px)}
.section-heading{display:flex;gap:18px;align-items:flex-start;margin-bottom:28px}
.section-heading>span{font:16px Georgia,serif;border-top:1px solid var(--ink);padding-top:8px}
.section-heading h2{font:40px Georgia,serif;font-weight:400;margin:0}
.template-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid var(--ink);border-left:1px solid var(--ink)}
.template-card{min-height:230px;padding:24px;border:0;border-right:1px solid var(--ink);border-bottom:1px solid var(--ink);background:transparent;text-align:left;color:inherit;cursor:pointer;display:flex;flex-direction:column;transition:.2s}
.template-card:hover,.template-card.active{background:var(--green);color:white}
.template-card:focus-visible,.generate:focus-visible,.copy:focus-visible,.reset:focus-visible,.back:focus-visible{outline:3px solid var(--orange);outline-offset:3px}
.template-card .num{font:14px Georgia,serif}
.template-card .icon{font-size:28px;margin:28px 0 16px}
.template-card h3{font:21px Georgia,serif;margin:0 0 10px}
.template-card p{font-size:12px;line-height:1.5;margin:0;opacity:.8}
.template-card b{margin-top:auto;font-size:18px;align-self:flex-end}
.builder{background:var(--paper);border-top:1px solid var(--line)}
.builder-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(360px,.9fr);gap:28px;max-width:1450px}
.form-panel,.result-panel{border:1px solid var(--ink);padding:28px}
.selected-template{background:var(--mint);border-left:4px solid var(--green);padding:18px;margin-bottom:24px}
.selected-template small,.result-head small{font-size:9px;font-weight:800;letter-spacing:.16em}
.selected-template strong{display:block;font:24px Georgia,serif;margin:6px 0}
.selected-template p{font-size:12px;line-height:1.5;margin:0}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
label{display:block;margin-bottom:16px}
label>span{display:block;font-size:10px;font-weight:800;letter-spacing:.07em;margin:0 0 7px}
label b{color:#b63a22}
textarea,select{width:100%;border:1px solid #908f87;background:white;padding:12px;font:14px Arial;color:var(--ink);border-radius:0}
textarea{resize:vertical;line-height:1.5}
textarea:focus,select:focus{outline:2px solid var(--green);outline-offset:1px}
.invalid{border-color:#b63a22;background:#fff8f5}
.error{display:none;color:#a32d19;margin-top:5px}
.invalid+.error{display:block}
.check{display:flex;align-items:center;gap:9px}
.check input{width:18px;height:18px;accent-color:var(--green)}
.check span{margin:0}
.form-actions{display:flex;gap:10px;margin-top:24px}
.generate,.copy{border:1px solid var(--green);background:var(--green);color:white;min-height:52px;padding:0 20px;font-weight:800;letter-spacing:.06em;cursor:pointer}
.generate{flex:1;display:flex;align-items:center;justify-content:space-between}
.generate span{font-size:20px}
.reset{min-height:52px;padding:0 18px;background:transparent;border:1px solid var(--ink);font-weight:800;cursor:pointer}
.result-panel{background:#f0eadf;position:sticky;top:96px;align-self:start}
.result-head{display:flex;align-items:flex-start;justify-content:space-between;border-bottom:1px solid var(--ink);padding-bottom:16px}
.result-head h2{font:25px Georgia,serif;margin:5px 0}
.result-head>span{font-size:10px;background:white;border:1px solid var(--ink);padding:6px}
.empty-result{min-height:340px;display:grid;place-content:center;text-align:center;color:#797970}
.empty-result span{font-size:60px;color:var(--green)}
.empty-result p{font:18px Georgia,serif;line-height:1.5}
.prompt-output{white-space:pre-wrap;word-break:break-word;max-height:540px;overflow:auto;background:white;border:1px solid var(--line);padding:20px;font:12px/1.65 ui-monospace,SFMono-Regular,Menlo,monospace;margin:18px 0}
.hidden{display:none}
.integrity{border-top:1px solid var(--line);padding-top:15px}
.integrity b{font-size:10px;letter-spacing:.12em}
.integrity p{font-size:11px;line-height:1.5;margin:5px 0 14px}
.copy{width:100%}
.copy:disabled{opacity:.4;cursor:not-allowed}
.status{min-height:18px;text-align:center;font-size:11px;color:var(--green)}
footer{padding:28px clamp(20px,6vw,92px);display:flex;justify-content:space-between;border-top:1px solid var(--line);font-size:10px;letter-spacing:.08em}
@media(max-width:1050px){.template-grid{grid-template-columns:repeat(2,1fr)}
.builder-grid{grid-template-columns:1fr}
.result-panel{position:static}
.hero{grid-template-columns:auto 1fr}
.hero-stat{display:none}
}
@media(max-width:650px){.topbar{height:auto;min-height:70px;padding:12px 18px}
.brand>span:last-child{display:none}
.back{font-size:9px}
.hero{padding:45px 20px;grid-template-columns:1fr}
.hero-number{display:none}
.hero h1{font-size:44px}
.library,.builder{padding:42px 16px}
.template-grid{grid-template-columns:1fr}
.template-card{min-height:185px}
.section-heading h2{font-size:31px}
.form-panel,.result-panel{padding:18px}
.form-row{grid-template-columns:1fr}
.form-actions{flex-direction:column}
.generate,.reset{width:100%}
footer{gap:15px;flex-direction:column}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}
}
.header-tools{display:flex;align-items:center;gap:18px}
.language-switch{display:flex;border:1px solid var(--ink)}
.language-switch button{min-width:42px;height:34px;border:0;border-right:1px solid var(--ink);background:transparent;color:var(--ink);font-size:10px;font-weight:800;cursor:pointer}
.language-switch button:last-child{border-right:0}
.language-switch button.active{background:var(--ink);color:white}
.language-switch button:focus-visible,.chatgpt:focus-visible{outline:3px solid var(--orange);outline-offset:2px}
.result-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.result-actions .copy,.chatgpt{width:100%;min-height:52px;padding:0 14px;font-weight:800;letter-spacing:.05em;cursor:pointer}
.chatgpt{border:1px solid var(--ink);background:var(--ink);color:white}
.copy:disabled,.chatgpt:disabled{opacity:.4;cursor:not-allowed}
@media(max-width:650px){.header-tools{gap:9px}.topbar .back{display:none}.language-switch button{min-width:39px}.result-actions{grid-template-columns:1fr}}

/* Homepage-aligned visual system */
:root{--ink:#101614;--green:#10a37f;--mint:#eaf7f3;--cream:#fff;--paper:#fff;--line:#dfe7e3;--orange:#10a37f}
body{background:#fff;font-family:"Noto Sans",system-ui,sans-serif}
.topbar{height:78px;max-width:1280px;margin:auto;padding:0 30px;border:0;background:rgba(255,255,255,.92)}
.brand{font-family:"Noto Sans",sans-serif;font-size:16px;font-weight:700;text-transform:none;letter-spacing:0}.brand-mark{border:0;border-radius:10px;background:var(--ink);position:relative}.brand-mark i{position:absolute;width:13px;height:4px;border:1.5px solid #fff;border-radius:8px;transform:rotate(60deg)}.brand-mark i:nth-child(2){transform:rotate(-60deg)}.brand-mark i:nth-child(3){transform:none}
.language-switch{border-color:var(--line);border-radius:12px;overflow:hidden}.language-switch button{border-color:var(--line)}
main{max-width:1280px;margin:auto;padding:0 30px 50px}
.hero{min-height:470px;margin:0;border-radius:34px;padding:68px 70px;background:linear-gradient(135deg,#eefaf6,#f8fbfa 52%,#f0f5f3);color:var(--ink);grid-template-columns:auto minmax(0,780px) 1fr;align-items:center}
.hero:after{content:"✦";right:5%;bottom:-38px;font-size:260px;color:rgba(16,163,127,.08)}
.hero-number{border-color:var(--green);color:var(--green-dark);font-family:"Noto Sans",sans-serif;font-weight:800}
.eyebrow,.section-heading p{color:var(--green-dark)}
.hero h1{font-family:"Noto Sans",sans-serif;font-size:clamp(48px,5.2vw,76px);font-weight:800;letter-spacing:-.055em;line-height:1.02}
.hero p:not(.eyebrow){color:#64706c;font-size:18px}.hero-stat{border-color:var(--green);position:relative;z-index:2}.hero-stat strong{font-family:"Noto Sans",sans-serif;color:var(--green-dark)}
.library,.builder{padding:82px 4px}.builder{border:0;background:#fff}
.section-heading h2{font-family:"Noto Sans",sans-serif;font-weight:800;letter-spacing:-.04em}.section-heading>span{font-family:"Noto Sans",sans-serif;color:var(--green-dark);border-color:var(--green)}
.template-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;border:0}.template-card{min-height:240px;padding:23px;border:1px solid var(--line);border-radius:22px;background:#fff}.template-card:hover,.template-card.active{background:linear-gradient(145deg,#0d1714,#123b31);border-color:#123b31;color:#fff;transform:translateY(-5px);box-shadow:0 20px 55px rgba(14,38,31,.14)}.template-card .num{font-family:"Noto Sans",sans-serif;color:var(--green)}.template-card h3{font-family:"Noto Sans",sans-serif;font-weight:750;letter-spacing:-.025em}
.builder-grid{gap:18px}.form-panel,.result-panel{border:1px solid var(--line);border-radius:26px;padding:28px;background:#fff}.selected-template{border:0;border-radius:17px;background:var(--mint);padding:20px}.selected-template strong,.result-head h2{font-family:"Noto Sans",sans-serif;font-weight:800;letter-spacing:-.03em}
textarea,select{border-color:var(--line);border-radius:11px;font-family:"Noto Sans",sans-serif}.check{margin-bottom:9px;padding:10px 12px;border:1px solid var(--line);border-radius:12px;background:#f8faf9}.check:has(input:checked){border-color:rgba(16,163,127,.45);background:var(--mint)}
.generate,.copy{border-radius:13px;background:var(--ink);border-color:var(--ink)}.reset,.chatgpt{border-radius:13px}.result-panel{background:#f5f7f6}.prompt-output{border-radius:14px;border-color:var(--line)}
footer{max-width:1280px;margin:auto;border-color:var(--line);padding-inline:30px}
@media(max-width:1050px){.hero{grid-template-columns:auto 1fr}.template-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:650px){.topbar{padding:10px 18px}main{padding:0 12px 30px}.hero{border-radius:24px;padding:48px 25px}.hero h1{font-size:42px}.library,.builder{padding:62px 2px}.template-grid{grid-template-columns:1fr}.form-panel,.result-panel{border-radius:20px;padding:18px}}

/* Mobile touch targets and compact 320px layout */
@media(max-width:650px){.language-switch button{min-width:44px;height:44px}.template-card{content-visibility:auto;contain-intrinsic-size:185px}textarea,select,.generate,.reset{min-height:48px;font-size:16px}}
@media(max-width:360px){.topbar{padding-inline:12px}.hero{padding:42px 18px}.hero h1{font-size:38px}.form-panel,.result-panel{padding:15px}.section-heading{gap:12px}.section-heading h2{font-size:28px}}

/* Compact 320–430px header and builder */
@media(max-width:650px){html,body{max-width:100%;overflow-x:hidden}.topbar{min-height:66px;padding:10px 12px;gap:10px}.topbar .brand{min-width:0;gap:9px}.topbar .brand-mark{width:34px;height:34px;flex:0 0 34px}.topbar .brand>span:last-child{display:block;min-width:0;max-width:155px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px}.header-tools{flex:0 0 auto}.language-switch button{min-width:42px;height:44px}.hero{min-height:0;padding:42px 20px}.hero h1{font-size:clamp(36px,11vw,44px);overflow-wrap:anywhere}.hero p:not(.eyebrow){font-size:15px;line-height:1.55}.library,.builder{padding-block:48px}.section-heading h2{font-size:clamp(28px,8.5vw,34px)}.template-card{min-height:170px;padding:19px}.template-card .icon{margin:20px 0 13px}.form-panel,.result-panel{padding:17px}.selected-template{padding:16px}.selected-template strong{font-size:21px}.result-head{gap:9px}.result-head h2{font-size:22px}.prompt-output{padding:15px;font-size:11px}.result-actions{gap:8px}.result-actions .copy,.chatgpt{min-height:50px}.check{align-items:flex-start}.check input{flex:0 0 18px;margin-top:1px}}
@media(max-width:390px){.topbar .brand>span:last-child{display:none}.language-switch button{min-width:41px}.hero{padding-inline:17px}.template-card{min-height:160px}.form-panel,.result-panel{padding:14px}.form-actions{gap:8px}.generate,.reset{min-height:50px}.course-offer-bar+header{top:0}}