:root{
  --bg:#FAFAF8; --paper:#F1EFE7; --ink:#1A2B23; --muted:#5C6B62;
  --green:#0F5C45; --green-d:#0A4534; --line:#DCD8CC; --gold:#9C7A24;
  --disp:"Noto Serif SC","Source Serif 4",Georgia,serif;
  --body:"Noto Sans SC",ui-sans-serif,system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--body);color:var(--ink);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.container{max-width:1080px;margin:0 auto;padding:0 32px}

/* header — text wordmark, no icon box */
.site-header{border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px}
.brand{font-family:var(--disp);font-weight:700;font-size:19px;letter-spacing:.5px}
.nav-links{display:flex;gap:32px;list-style:none;font-size:14px;color:var(--muted)}
.nav-links a:hover{color:var(--green-d)}
.btn{display:inline-flex;align-items:center;gap:6px;background:var(--ink);color:#fff;padding:11px 24px;font-weight:500;font-size:14px;border:none;cursor:pointer;font-family:inherit}
.btn:hover{background:var(--green-d)}
.btn.line{background:transparent;color:var(--ink);border:1px solid var(--ink)}
.btn.line:hover{background:var(--ink);color:#fff}
.btn.light{background:#fff;color:var(--ink)}
.btn.light:hover{background:var(--paper)}
.btn.line.light{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.5)}
.btn.line.light:hover{background:rgba(255,255,255,.12)}
.btn.full{width:100%;justify-content:center}
.text-link{font-size:14.5px;font-weight:500;color:var(--green-d);border-bottom:1px solid var(--green-d);padding-bottom:2px}
.text-link:hover{color:var(--ink);border-color:var(--ink)}

/* hero — typographic + line illustration */
.hero{padding:96px 0 64px;background-image: url(https://sayhellogpt.com/images/bg00.png);border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.hero-kicker{font-family:var(--mono);font-size:24.5px;letter-spacing:2px;text-transform:uppercase;color:#ffffff;margin-bottom:22px}
.hero h1{font-family:var(--disp);font-size:clamp(34px,5vw,54px);line-height:1.18;font-weight:700;letter-spacing:-1px}
.hero-lead{font-size:16.5px;color:var(--muted);max-width:480px;margin:24px 0 30px}
.hero-actions{display:flex;align-items:center;gap:28px;flex-wrap:wrap}
.hero-figures{display:flex;gap:48px;margin-top:56px;padding-top:26px;border-top:1px solid var(--line)}
.hf{display:flex;flex-direction:column}
.hf-num{font-family:var(--disp);font-size:28px;font-weight:700;color:var(--green-d)}
.hf-num small{font-size:15px;font-weight:500}
.hf-label{font-size:12px;color:var(--muted);margin-top:4px}

.hero-art{display:flex;justify-content:center;align-items:center;height:100%}
.hero-art-img{width:123%;height:348px;object-fit:cover;object-position:top left;border-radius:6px;box-shadow:0 28px 60px -30px rgba(26,43,35,.3)}
.line-svg{width:100%;max-width:300px}
.ls-coast{fill:none;stroke:var(--line);stroke-width:1.5}
.ls-path{fill:none;stroke:var(--gold);stroke-width:1.5;stroke-dasharray:4 5}
.ls-dot{fill:var(--green-d)}
.ls-dot-end{fill:var(--gold)}
.ls-label{font-family:var(--mono);font-size:11px;fill:var(--muted)}
.ls-label-end{fill:var(--gold);font-weight:700}

/* sections */
.section{padding:90px 0;border-bottom:1px solid var(--line)}
.section.alt{background:var(--paper)}
.section.dark{background:var(--ink);border-bottom:none}
.section.dark .sec-kicker{color:var(--gold)}
.section.dark h2{color:#fff}
.sec-head{margin-bottom:50px;display:flex;align-items:baseline;gap:24px;flex-wrap:wrap}
.sec-kicker{font-size:23px;letter-spacing:2px;text-transform:uppercase;color:var(--gold)}
.sec-kicker.center{text-align:center;display:block;margin-bottom:30px}
.sec-head h2{font-family:var(--disp);font-size:clamp(24px,2.8vw,30px);font-weight:700}

/* feature list — numbered rows, not cards */
.product-layout{display:block}
.feature-list{border-top:1px solid var(--line)}
.feature-row{position:relative;display:grid;grid-template-columns:48px 1fr;gap:20px;padding:36px 0 36px 8px;border-bottom:1px solid var(--line);overflow:hidden}
.feature-ghost-num{position:absolute;right:0;top:50%;transform:translateY(-50%);font-family:var(--disp);font-size:120px;font-weight:700;color:var(--paper);line-height:1;z-index:0;user-select:none}
.feature-icon{position:relative;z-index:1;width:40px;height:40px}
.fi-svg{width:100%;height:100%}
.fi-stroke{fill:none;stroke:var(--green-d);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.fi-ring{fill:none;stroke:var(--gold);stroke-width:1.6}
.fi-dot{fill:var(--gold)}
.feature-body{position:relative;z-index:1;max-width:480px}
.feature-tag{font-family:var(--mono);font-size:11.5px;letter-spacing:1.5px;color:var(--gold);text-transform:uppercase}
.feature-body h3{font-family:var(--disp);font-size:19px;font-weight:700;margin:8px 0 8px}
.feature-body p{font-size:14px;color:var(--muted)}
.ls-frame{fill:none;stroke:var(--line);stroke-width:1.5}
.ls-rule{stroke:var(--line);stroke-width:1}
.ls-bar{fill:var(--green-d)}
.ls-bar-dim{fill:var(--line)}

/* phase list — accordion, not dotted timeline */
.phase-list{border-top:1px solid rgba(255,255,255,.18)}
.process-layout{display:grid;grid-template-columns:1.4fr .6fr;gap:40px;align-items:start}
.process-art{display:flex;justify-content:center;padding-top:8px}
.process-art .line-svg{width:100%;max-width:200px}
.pa-ramp{fill:none;stroke:rgba(255,255,255,.45);stroke-width:1.5}
.pa-rail{stroke:rgba(255,255,255,.25);stroke-width:1.5}
.pa-stop{fill:var(--gold)}
.pa-stop-end{fill:#fff}
.pa-label{font-family:var(--mono);font-size:11px;fill:rgba(255,255,255,.6);text-anchor:middle}
.pa-label-end{fill:#fff;font-weight:700}
.phase{border-bottom:1px solid rgba(255,255,255,.18);color:#fff}
.phase summary{display:flex;align-items:baseline;gap:20px;padding:22px 0;cursor:pointer;list-style:none}
.phase summary::-webkit-details-marker{display:none}
.phase-no{font-family:var(--disp);font-size:20px;color:var(--gold);width:24px}
.phase-name{font-family:var(--disp);font-size:18px;font-weight:700;flex:1}
.phase-time{font-family:var(--mono);font-size:12.5px;color:rgba(255,255,255,.55)}
.phase p{font-size:14.5px;color:rgba(255,255,255,.7);padding:0 0 22px 44px;max-width:560px}

/* quotes — stacked, no card border */
.quote-stack{display:flex;flex-direction:column}
.quote-row{display:grid;grid-template-columns:56px 1fr;gap:24px;padding:30px 0;border-top:1px solid var(--line);align-items:start}
.quote-row:last-child{border-bottom:1px solid var(--line)}
.quote-avatar{width:48px;height:48px;border-radius:50%;border:1.5px solid var(--green-d);display:flex;align-items:center;justify-content:center;font-family:var(--disp);font-weight:700;font-size:16px;color:var(--green-d)}
.quote-main{display:grid;grid-template-columns:1fr 220px;gap:24px;align-items:start}
.quote-text{font-family:var(--disp);font-size:18px;line-height:1.55;color:var(--ink)}
.quote-who{display:flex;flex-direction:column;gap:3px;padding-top:4px}
.quote-who b{font-size:14px;font-weight:700}
.quote-who span{font-size:12.5px;color:var(--muted)}

/* pricing — comparison table, not cards */
.price-table{color:#fff}
.pt-row{display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr;align-items:center;border-bottom:1px solid rgba(255,255,255,.18)}
.pt-feature{font-size:13.5px;color:rgba(255,255,255,.6);padding:18px 16px 18px 0}
.pt-plan{padding:18px 16px;font-size:14px;text-align:center;border-left:1px solid rgba(255,255,255,.1)}
.pt-plan.pt-featured{background:rgba(255,255,255,.06)}
.pt-head{align-items:end;padding-top:8px}
.pt-head .pt-plan{display:flex;flex-direction:column;gap:6px;padding-bottom:24px;position:relative}
.pt-badge{font-family:var(--mono);font-size:10.5px;letter-spacing:.5px;color:var(--gold);text-transform:uppercase}
.pt-name{font-family:var(--disp);font-size:17px;font-weight:700}
.pt-price{font-family:var(--disp);font-size:24px;font-weight:700}
.pt-price small{font-size:13px;font-weight:400;color:rgba(255,255,255,.55)}
.pt-foot{border-bottom:none}
.pt-foot .pt-plan{padding-top:24px}

/* consulting */
.consulting-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
.lead-sm{font-size:15px;color:var(--muted);margin:16px 0 24px;max-width:440px}
.consult-art{margin-bottom:8px}
.consult-art .line-svg{max-width:240px}
.ls-person-head{fill:none;stroke:var(--green-d);stroke-width:1.5}
.ls-person-body{fill:none;stroke:var(--green-d);stroke-width:1.5}
.ls-person-dim{stroke:var(--gold)}
.ls-handshake{fill:none;stroke:var(--ink);stroke-width:2;stroke-linecap:round}
.consult-dl{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.consult-dl > div{display:grid;grid-template-columns:170px 1fr;gap:20px;padding:20px 0;border-bottom:1px solid var(--line)}
.consult-dl dt{font-family:var(--disp);font-weight:700;font-size:15px}
.consult-dl dd{font-size:14px;color:var(--muted)}

/* clients — inline running text, no boxes */
.client-row{display:flex;flex-wrap:wrap;justify-content:center;gap:14px 36px}
.client-item{display:flex;align-items:center;gap:10px}
.client-mark{width:30px;height:30px;border:1.3px solid var(--gold);transform:rotate(45deg);display:flex;align-items:center;justify-content:center;font-family:var(--disp);font-weight:700;font-size:13px;color:var(--green-d)}
.client-mark span{transform:rotate(-45deg)}
.client-name{font-family:var(--disp);font-size:15.5px;font-weight:700;color:var(--muted)}

/* final cta */
.showcase-scroll{display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:24px;margin-bottom:40px}
.showcase-img{scroll-snap-align:start;flex:0 0 auto;height:340px;width:auto;max-width:88vw;object-fit:cover;border-radius:8px;border:1px solid var(--line);box-shadow:0 20px 50px -28px rgba(26,43,35,.3)}
.cta-final{max-width:560px}
.cta-final h2{font-family:var(--disp);font-size:clamp(26px,3.2vw,34px);font-weight:700;margin-bottom:12px}
.cta-final p{color:var(--muted);font-size:15px;margin-bottom:30px}

/* footer */
.site-footer{padding:36px 0;color:var(--muted);font-size:13.5px}
.foot{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}
.foot-brand{font-family:var(--disp);font-weight:700;color:var(--ink)}
.foot-links{display:flex;gap:22px;flex-wrap:wrap}
.foot-links a:hover{color:var(--green-d)}

@media(max-width:760px){
  .nav-links{display:none}
  .hero-grid{grid-template-columns:1fr}
  .hero-art{order:-1;margin-bottom:8px}
  .product-layout{grid-template-columns:1fr}
  .product-art{display:none}
  .feature-row{grid-template-columns:1fr;gap:8px}
  .quote-row{grid-template-columns:40px 1fr;gap:14px}
  .quote-main{grid-template-columns:1fr;gap:10px}
  .pt-row{grid-template-columns:1fr 1fr 1fr 1fr;font-size:12.5px}
  .pt-feature{display:none}
  .pt-row{grid-template-columns:repeat(3,1fr)}
  .consulting-grid{grid-template-columns:1fr}
  .consult-dl > div{grid-template-columns:1fr;gap:6px}
  .hero-figures{flex-wrap:wrap;gap:32px}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto}}
@media (max-width: 760px) {
  html, body {
    width: 100%;
    max-width: 100%;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
  }
  .container {
    width: 100% !important;
    max-width: 100% !important;
    margin: 0 auto !important;
    padding: 0 16px !important;
    box-sizing: border-box;
  }
  .article-wrap {
    width: 100% !important;
    max-width: 100% !important;
    padding: 32px 16px 60px !important;
    box-sizing: border-box;
  }
}