*{box-sizing:border-box}
:root{--bg:#fff;--text:#111;--muted:#6e6e73;--line:#e5e5e7;--soft:#f5f5f7;--radius:24px}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","Helvetica Neue",Arial,sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button{color:inherit}
.topbar{width:min(1180px,calc(100% - 40px));margin:0 auto;min-height:74px;display:flex;justify-content:space-between;align-items:center;gap:28px;border-bottom:1px solid var(--line);position:sticky;top:0;background:rgba(255,255,255,.9);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);z-index:20}
.brand{font-size:14px;font-weight:700;letter-spacing:.12em}
.header-right{display:flex;align-items:center;gap:30px}.main-nav{display:flex;gap:22px;align-items:center}
.main-nav a,.back-link{font-size:14px;color:var(--muted);transition:color .2s ease}.main-nav a:hover,.back-link:hover{color:var(--text)}
.lang-switch{display:flex;align-items:center;gap:7px;font-size:12px;color:#c5c5c8;white-space:nowrap}
.lang-switch button{border:0;background:transparent;padding:5px 0;cursor:pointer;font-size:12px;font-weight:650;letter-spacing:.04em;color:#aaa}
.lang-switch button.active{color:var(--text)}
main{width:min(1180px,calc(100% - 40px));margin:0 auto}.hero{padding:110px 0 90px;max-width:950px}.hero.compact{padding:70px 0 50px}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--muted);margin:0 0 18px}
h1{font-size:clamp(56px,9vw,112px);line-height:.92;letter-spacing:-.06em;margin:0;font-weight:700}.hero.compact h1{font-size:clamp(48px,7vw,82px)}
.hero-text{font-size:22px;line-height:1.45;color:var(--muted);max-width:760px;margin:30px 0 0}
.section{padding:80px 0;border-top:1px solid var(--line)}.section-head{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-bottom:38px}
.section-head h2,.admin-section h2{font-size:40px;letter-spacing:-.04em;margin:0}.section-head>p{margin:28px 0 0;color:var(--muted);line-height:1.55;max-width:520px}
.group-block{margin:0 0 64px}.group-title{font-size:18px;font-weight:700;margin:0 0 18px}.services-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.service-card{padding:28px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;transition:.2s ease}
.service-card:hover{transform:translateY(-2px);box-shadow:0 10px 40px rgba(0,0,0,.05)}
.service-top{display:flex;justify-content:space-between;gap:24px;align-items:flex-start}.service-card h3{font-size:26px;letter-spacing:-.03em;margin:0}.price{font-size:18px;font-weight:650;white-space:nowrap}
.service-desc{color:var(--muted);line-height:1.5;margin:15px 0 18px}.meta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:18px}.meta span{font-size:12px;background:var(--soft);padding:8px 10px;border-radius:999px}
.feature-list{margin:0;padding-left:18px;color:#333;line-height:1.55}.feature-list li+li{margin-top:5px}
.addons-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.addon{padding:20px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:20px}.addon strong{font-size:15px}.addon span{color:var(--muted);text-align:right;white-space:nowrap}
.rules-list{display:grid;gap:0}.rule{display:grid;grid-template-columns:70px 1fr;gap:20px;padding:24px 0;border-bottom:1px solid var(--line)}.rule-num{font-size:13px;color:var(--muted)}.rule h3{font-size:22px;margin:0 0 6px}.rule p{margin:0;color:var(--muted);line-height:1.5}
footer{width:min(1180px,calc(100% - 40px));margin:0 auto;padding:38px 0 50px;border-top:1px solid var(--line);display:flex;justify-content:space-between;color:var(--muted);font-size:13px}

/* Admin */
.admin-wrap{padding-bottom:80px}.admin-section{padding:34px 0;border-top:1px solid var(--line)}.admin-language-row{display:flex;justify-content:space-between;align-items:flex-end;gap:28px;flex-wrap:wrap}
.admin-label{display:block;font-size:12px;color:var(--muted);margin-bottom:10px}.admin-lang-switch{display:flex;gap:8px;flex-wrap:wrap}.admin-lang-switch button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:10px 14px;cursor:pointer}.admin-lang-switch button.active{background:#111;color:#fff;border-color:#111}
.admin-toolbar{display:flex;gap:10px;flex-wrap:wrap}.primary-btn,.secondary-btn{border:0;border-radius:999px;padding:12px 18px;cursor:pointer}.primary-btn{background:#111;color:#fff}.secondary-btn{background:var(--soft);color:#111}
.status{color:var(--muted);font-size:14px;min-height:20px}.editor-card{border:1px solid var(--line);border-radius:20px;padding:20px;margin:14px 0}.editor-card.nested{background:#fcfcfc}
.editor-card-header{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px}.editor-card h3{margin:0;font-size:20px}.editor-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.field{display:flex;flex-direction:column;gap:7px}.field.full{grid-column:1/-1}.field label{font-size:12px;color:var(--muted)}.field input,.field textarea{width:100%;border:1px solid var(--line);border-radius:12px;padding:11px 12px;background:#fff;color:#111}
.field input:focus,.field textarea:focus{outline:2px solid #111;outline-offset:1px}.field textarea{min-height:100px;resize:vertical}.small-btn{border:0;background:var(--soft);padding:8px 11px;border-radius:999px;cursor:pointer}.danger{color:#b42318}.file-label{display:inline-flex;align-items:center}
@media(max-width:820px){.topbar{width:min(100% - 28px,1180px)}.header-right{gap:14px}.main-nav{display:none}main,footer{width:min(100% - 28px,1180px)}.hero{padding:78px 0 64px}.section{padding:58px 0}.section-head{grid-template-columns:1fr}.services-grid,.addons-grid{grid-template-columns:1fr}.editor-grid{grid-template-columns:1fr}.field.full{grid-column:auto}h1{font-size:54px}.hero-text{font-size:19px}.service-top{flex-direction:column;gap:10px}.rule{grid-template-columns:42px 1fr}.admin-language-row{align-items:flex-start}}

/* Currency settings + internal project calculator */
.admin-section-head{display:flex;justify-content:space-between;gap:24px;margin-bottom:20px}
.calculator-intro{max-width:700px;color:var(--muted);line-height:1.55;margin:10px 0 0}
.currency-settings{display:grid;grid-template-columns:1fr 1fr;gap:14px;max-width:760px}
.calculator-heading{display:flex;justify-content:space-between;gap:24px;margin-bottom:22px}
.calculator-shell{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(320px,.75fr);gap:18px;align-items:start}
.calculator-controls,.calc-result{border:1px solid var(--line);border-radius:24px;padding:24px;background:#fff}
.calculator-controls{display:grid;gap:20px}
.calc-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.calc-field{display:flex;flex-direction:column;gap:8px}
.calc-field>label{font-size:13px;font-weight:650}
.calc-field select,.calc-field input{width:100%;border:1px solid var(--line);border-radius:13px;padding:12px 13px;background:#fff;color:#111}
.calc-field select:focus,.calc-field input:focus{outline:2px solid #111;outline-offset:1px}
.calc-field small{font-size:12px;color:var(--muted);line-height:1.4}
.calc-addons{border:1px solid var(--line);border-radius:16px;overflow:hidden}
.calc-addon-row{display:grid;grid-template-columns:minmax(0,1fr) 128px;gap:12px;align-items:center;padding:12px 14px;border-bottom:1px solid var(--line)}
.calc-addon-row:last-child{border-bottom:0}
.calc-addon-main{display:flex;align-items:flex-start;gap:10px;min-width:0}
.calc-addon-main input[type="checkbox"]{width:17px;height:17px;margin:2px 0 0;accent-color:#111}
.calc-addon-copy{min-width:0}
.calc-addon-name{display:block;font-size:14px;font-weight:600}
.calc-addon-hint{display:block;font-size:11px;color:var(--muted);margin-top:3px}
.calc-addon-value{display:flex;align-items:center;gap:6px}
.calc-addon-value input{width:100%;border:1px solid var(--line);border-radius:10px;padding:8px 9px;background:#fff;text-align:right}
.calc-addon-unit{font-size:12px;color:var(--muted);min-width:16px}
.calc-result{position:sticky;top:94px;background:#111;color:#fff}
.calc-kicker{font-size:11px;font-weight:700;letter-spacing:.14em;color:#9f9fa4}
.calc-total{font-size:clamp(46px,6vw,72px);font-weight:700;letter-spacing:-.055em;line-height:1;margin:16px 0 24px}
.calc-breakdown{display:grid;gap:10px;padding:18px 0;border-top:1px solid #303034;border-bottom:1px solid #303034}
.calc-breakdown-row{display:flex;justify-content:space-between;gap:18px;font-size:13px}
.calc-breakdown-row span:first-child{color:#b8b8bd}
.calc-breakdown-row strong{font-weight:600;text-align:right}
.calc-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}
.calc-result .primary-btn{background:#fff;color:#111}
.calc-result .secondary-btn{background:#242426;color:#fff}
.calc-copy-status{min-height:18px;font-size:12px;color:#aaa;margin:12px 0 0}
@media(max-width:900px){.calculator-shell,.currency-settings{grid-template-columns:1fr}.calc-result{position:static}}
@media(max-width:620px){.calc-row{grid-template-columns:1fr}.calc-addon-row{grid-template-columns:1fr}.calc-addon-value{max-width:160px}}

/* FAQ */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:24px;padding:24px 0;font-size:20px;font-weight:650;letter-spacing:-.02em}
.faq-item summary::-webkit-details-marker{display:none}
.faq-plus{font-size:24px;font-weight:300;color:var(--muted);transition:transform .2s ease}
.faq-item[open] .faq-plus{transform:rotate(45deg)}
.faq-answer{max-width:760px;padding:0 52px 24px 0;color:var(--muted);line-height:1.65;font-size:16px}

/* Final CTA */
.cta-section{padding-top:100px;padding-bottom:110px}
.cta-wrap{max-width:880px}
.cta-wrap h2{font-size:clamp(48px,7vw,88px);line-height:.98;letter-spacing:-.055em;margin:0}
.cta-wrap>p:not(.eyebrow){max-width:670px;margin:24px 0 30px;color:var(--muted);font-size:20px;line-height:1.5}
.cta-button{display:inline-flex;align-items:center;justify-content:center;background:#111;color:#fff;min-height:50px;padding:0 22px;border-radius:999px;font-size:15px;font-weight:650;transition:transform .2s ease,opacity .2s ease}
.cta-button:hover{transform:translateY(-1px);opacity:.88}

/* Proposal generator */
.calc-field textarea{width:100%;border:1px solid var(--line);border-radius:13px;padding:12px 13px;background:#fff;color:#111;resize:vertical;min-height:96px}
.calc-field textarea:focus{outline:2px solid #111;outline-offset:1px}

@media(max-width:820px){.faq-item summary{font-size:18px;padding:20px 0}.faq-answer{padding-right:0}.cta-section{padding-top:70px;padding-bottom:78px}}

/* Server admin login */
.login-page{min-height:100vh;background:#fff}
.login-shell{min-height:100vh;width:min(520px,calc(100% - 40px));margin:0 auto;display:grid;place-items:center;padding:40px 0}
.login-card{width:100%;border:1px solid var(--line);border-radius:28px;padding:34px}
.login-card h1{font-size:56px;line-height:1;letter-spacing:-.05em;margin:0}
.login-copy{color:var(--muted);line-height:1.55;margin:18px 0 28px}
.login-field{display:flex;flex-direction:column;gap:8px}
.login-field span{font-size:13px;font-weight:650}
.login-field input{width:100%;border:1px solid var(--line);border-radius:13px;padding:13px 14px;background:#fff;color:#111;font:inherit}
.login-field input:focus{outline:2px solid #111;outline-offset:1px}
.login-submit{width:100%;margin-top:14px;min-height:46px}
.login-submit:disabled{opacity:.55;cursor:not-allowed}
.login-status{min-height:20px;color:#b42318;font-size:13px;margin:12px 0 0}
.login-back{display:inline-block;margin-top:18px;color:var(--muted);font-size:13px}

/* Advanced add-on explanations */
.addon-with-details{flex-wrap:wrap;align-items:flex-start}
.addon-with-details>.addon-more{flex:0 0 100%}
.addon-more{margin-top:7px;color:var(--muted);font-size:12px;line-height:1.45}
.addon-more summary{display:inline-flex;align-items:center;gap:5px;cursor:pointer;list-style:none;color:#3a3a3c;font-weight:600;user-select:none}
.addon-more summary::-webkit-details-marker{display:none}
.addon-more summary::after{content:"+";font-size:14px;font-weight:400;color:var(--muted)}
.addon-more[open] summary::after{content:"−"}
.addon-more p{margin:7px 0 0;max-width:650px;color:var(--muted);font-size:12px;line-height:1.55}
.calc-addon-copy .addon-more{margin-top:5px}
.calc-addon-copy .addon-more summary{font-size:11px}
.calc-addon-copy .addon-more p{font-size:11px;max-width:560px}
@media(max-width:620px){.addon{flex-wrap:wrap}.addon>span{text-align:left}.addon-with-details>.addon-more{flex-basis:100%}}