:root {
  color-scheme: light dark;
  --bg: #f4f8f5; --surface: #ffffff; --surface-2: #eaf2ed; --ink: #10231e; --muted: #52665f; --line: #cbd9d2;
  --accent: #087f5b; --accent-2: #066346; --accent-soft: #daf4e8; --code: #0b1715; --code-ink: #e9fff5;
  --ok: #087f5b; --warn: #9a6700; --bad: #bd2c2c; --shadow: 0 18px 50px rgba(18, 47, 38, .10);
  --wa: #25d366;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #08110f; --surface: #0d1b18; --surface-2: #12241f; --ink: #edf8f3; --muted: #a3b8af; --line: #294039; --accent: #55d9a3; --accent-2: #8ae9c0; --accent-soft: #12372b; --code: #030807; --code-ink: #e8fff5; --ok: #66dea9; --warn: #f4c95d; --bad: #ff8585; --shadow: 0 24px 60px rgba(0,0,0,.26); }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px),var(--bg); background-size: 44px 44px; background-attachment: fixed; color: var(--ink); font-family: "Aptos","Segoe UI Variable","Helvetica Neue",sans-serif; line-height: 1.55; }
button,input,textarea,select { font: inherit; } button { color: inherit; } a { color: inherit; }
.shell { max-width: 1200px; margin: 0 auto; padding: 28px 22px 72px; }

/* ---- top bar ---- */
.topbar { border-bottom: 1px solid var(--line); background: var(--surface); }
.topbar-inner { max-width: 1200px; margin: 0 auto; padding: 12px 22px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 800; font-size: 17px; letter-spacing: -.01em; }
.brand-mark { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: var(--accent); color: #fff; font: 800 15px/1 monospace; }
@media (prefers-color-scheme: dark) { .brand-mark { color: #062017; } }
.topnav { display: flex; gap: 4px; align-items: center; flex-wrap: wrap; }
.topnav a { text-decoration: none; font-size: 14px; font-weight: 700; color: var(--muted); padding: 8px 12px; border-radius: 8px; }
.topnav a:hover { color: var(--ink); background: var(--surface-2); }
.topnav a.cta { background: var(--accent); color: #fff; }
@media (prefers-color-scheme: dark) { .topnav a.cta { color: #062017; } }
.topnav a.cta:hover { background: var(--accent-2); color: #fff; }
@media (prefers-color-scheme: dark) { .topnav a.cta:hover { color: #062017; } }

.hero { position: relative; overflow: hidden; display: grid; grid-template-columns: minmax(0,1.45fr) minmax(260px,.7fr); gap: 36px; align-items: end; min-height: 310px; padding: clamp(30px,5vw,60px); border: 1px solid var(--line); background: var(--surface); box-shadow: var(--shadow); }
.hero::after { content:""; position:absolute; right:-110px; top:-120px; width:330px; height:330px; border:48px solid var(--accent-soft); border-radius:50%; opacity:.85; pointer-events:none; }
.hero-copy,.hero-note { position:relative; z-index:1; }
h1 { margin:0; max-width:760px; font-family:Georgia,"Times New Roman",serif; font-size:clamp(42px,6vw,75px); line-height:.98; letter-spacing:-.045em; font-weight:600; }
.lede { max-width:660px; margin:24px 0 0; color:var(--muted); font-size:clamp(17px,2vw,21px); }
.hero-cta { display:flex; flex-wrap:wrap; gap:10px; margin-top:26px; }
.hero-note { border-top:3px solid var(--accent); padding-top:18px; } .hero-note strong { display:block; font-size:15px; margin-bottom:6px; } .hero-note p { margin:0; color:var(--muted); font-size:14px; }
.workspace { display:grid; grid-template-columns:240px minmax(0,1fr); gap:22px; margin-top:22px; align-items:start; }
.tool-nav { position:sticky; top:18px; border:1px solid var(--line); background:var(--surface); padding:10px; }
.nav-label { margin:8px 10px 10px; color:var(--muted); font:700 11px/1.2 "SFMono-Regular",Consolas,monospace; letter-spacing:.11em; text-transform:uppercase; }
.nav-btn { width:100%; display:grid; grid-template-columns:32px 1fr; gap:10px; align-items:center; border:0; background:transparent; padding:11px 10px; border-radius:9px; text-align:left; cursor:pointer; font-weight:680; color:var(--muted); }
.nav-btn:hover { background:var(--surface-2); color:var(--ink); } .nav-btn[aria-selected="true"] { background:var(--accent-soft); color:var(--accent-2); }
.nav-icon { display:grid; place-items:center; width:30px; height:30px; border:1px solid currentColor; border-radius:50%; font:700 11px/1 monospace; }
.contact-card { margin-top:10px; padding:17px 12px 8px; border-top:1px solid var(--line); } .contact-card strong { display:block; margin-bottom:3px; font-size:14px; } .contact-card p { margin:0 0 12px; color:var(--muted); font-size:12px; }
.contact-links { display:flex; flex-wrap:wrap; gap:6px; } .contact-links a { font-size:12px; text-decoration:none; font-weight:700; color:var(--accent-2); padding:6px 8px; border:1px solid var(--line); border-radius:8px; }
.panel { display:none; border:1px solid var(--line); background:var(--surface); min-height:590px; } .panel.active { display:block; }
.panel-head { padding:30px 34px 24px; border-bottom:1px solid var(--line); } .panel-head h2 { margin:0; font-family:Georgia,"Times New Roman",serif; font-size:clamp(28px,4vw,42px); letter-spacing:-.025em; line-height:1.08; } .panel-head p { margin:10px 0 0; max-width:720px; color:var(--muted); }
.panel-body { padding:30px 34px 38px; } .field { margin-bottom:20px; } .field-row { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
label { display:block; margin-bottom:8px; font-weight:750; font-size:13px; } .hint { color:var(--muted); font-weight:500; }
input,textarea,select { width:100%; border:1px solid var(--line); background:var(--bg); color:var(--ink); border-radius:9px; padding:13px 14px; outline:none; }
textarea { resize:vertical; min-height:138px; font-family:"SFMono-Regular",Consolas,monospace; font-size:13px; line-height:1.65; }
input:focus,textarea:focus,select:focus { border-color:var(--accent); box-shadow:0 0 0 3px var(--accent-soft); }
.actions { display:flex; flex-wrap:wrap; gap:9px; align-items:center; } .btn { display:inline-block; border:1px solid var(--line); background:var(--surface); border-radius:10px; padding:11px 15px; font-weight:750; cursor:pointer; text-decoration:none; } .btn:hover { border-color:var(--accent); } .btn.primary { background:var(--accent); color:#fff; border-color:var(--accent); } @media (prefers-color-scheme:dark) { .btn.primary { color:#062017; } }
.text-btn { border:0; background:transparent; color:var(--muted); padding:8px; cursor:pointer; font-weight:700; } .text-btn:hover { color:var(--ink); }
.result { display:none; margin-top:24px; border-top:1px solid var(--line); padding-top:24px; } .result.visible { display:block; }
.scoreline { display:grid; grid-template-columns:auto 1fr; gap:15px; align-items:center; margin-bottom:18px; } .score { display:grid; place-items:center; width:62px; height:62px; border:5px solid var(--line); border-radius:50%; font:800 18px/1 monospace; } .score.ok { border-color:var(--ok); color:var(--ok); } .score.warn { border-color:var(--warn); color:var(--warn); } .score.bad { border-color:var(--bad); color:var(--bad); }
.score-copy h3 { margin:0 0 3px; font-size:19px; } .score-copy p { margin:0; color:var(--muted); font-size:13px; }
.findings { list-style:none; padding:0; margin:0; display:grid; gap:8px; } .finding { display:grid; grid-template-columns:24px 1fr; gap:9px; padding:12px 13px; border-radius:9px; background:var(--surface-2); font-size:14px; } .finding .mark { font:900 14px/1 monospace; padding-top:3px; } .finding.ok .mark { color:var(--ok); } .finding.warn .mark { color:var(--warn); } .finding.bad .mark { color:var(--bad); } .finding strong { display:block; } .finding span { color:var(--muted); }
.record-box { margin-top:22px; background:var(--code); color:var(--code-ink); padding:17px; border-radius:12px; position:relative; } .record-box code { display:block; padding-right:86px; word-break:break-all; font:13px/1.65 "SFMono-Regular",Consolas,monospace; } .copy-btn { position:absolute; top:11px; right:11px; border:1px solid #355047; background:#12241f; color:#dffcef; border-radius:8px; padding:7px 10px; cursor:pointer; font-size:12px; font-weight:800; } .copy-btn:hover { border-color:#75cbaa; }
.meter { height:9px; overflow:hidden; background:var(--surface-2); border-radius:10px; margin:8px 0 6px; } .meter>span { display:block; height:100%; width:0; background:var(--accent); transition:width .25s ease; } .meter-label { color:var(--muted); font-size:12px; }
.mini-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:10px; margin:18px 0 0; } .mini-stat { background:var(--surface-2); padding:14px; } .mini-stat strong { display:block; font:800 22px/1.1 "SFMono-Regular",Consolas,monospace; } .mini-stat span { color:var(--muted); font-size:12px; }
.service-note { margin:22px 0 0; padding:16px 18px; background:var(--accent-soft); border-radius:10px; font-size:14px; } .service-note strong { color:var(--accent-2); }

/* ---- content sections (services, about, guides) ---- */
.section { margin-top: 34px; }
.section-head { max-width: 720px; margin-bottom: 20px; }
.section-head h2 { margin: 0; font-family: Georgia,"Times New Roman",serif; font-size: clamp(28px,4vw,40px); letter-spacing: -.025em; line-height: 1.08; }
.section-head p { margin: 10px 0 0; color: var(--muted); font-size: 16px; }
.price-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 16px; }
.price-card { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 26px 24px; display: flex; flex-direction: column; box-shadow: var(--shadow); position: relative; }
.price-card.featured { border: 2px solid var(--accent); }
.price-flag { position: absolute; top: -13px; left: 24px; background: var(--accent); color: #fff; font-size: 12px; font-weight: 800; padding: 4px 12px; border-radius: 20px; }
@media (prefers-color-scheme: dark) { .price-flag { color: #062017; } }
.price-card h3 { margin: 0; font-size: 19px; }
.price { margin: 12px 0 4px; font: 800 34px/1 "SFMono-Regular",Consolas,monospace; }
.price span { font: 600 13px/1.4 "Aptos","Segoe UI Variable",sans-serif; color: var(--muted); }
.price-card ul { list-style: none; padding: 0; margin: 16px 0 22px; display: grid; gap: 9px; font-size: 14px; color: var(--muted); flex: 1; }
.price-card ul li { padding-left: 24px; position: relative; }
.price-card ul li::before { content: "✓"; position: absolute; left: 0; color: var(--ok); font-weight: 900; }
.price-card .btn { text-align: center; }
.about-card { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: clamp(24px,4vw,40px); display: grid; grid-template-columns: 84px 1fr; gap: 22px; align-items: start; box-shadow: var(--shadow); }
.avatar { width: 84px; height: 84px; border-radius: 50%; background: var(--accent-soft); color: var(--accent-2); display: grid; place-items: center; font: 800 30px/1 Georgia,serif; }
.about-card h3 { margin: 0 0 8px; font-size: 20px; }
.about-card p { margin: 0 0 12px; color: var(--muted); font-size: 15px; max-width: 760px; }
.about-card p strong { color: var(--ink); }
.guide-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 16px; }
.guide-card { display: block; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 24px; text-decoration: none; box-shadow: var(--shadow); }
.guide-card:hover { border-color: var(--accent); }
.guide-card .kicker { font: 700 11px/1.2 "SFMono-Regular",Consolas,monospace; letter-spacing: .11em; text-transform: uppercase; color: var(--accent-2); margin-bottom: 10px; }
.guide-card h3 { margin: 0 0 8px; font-size: 18px; line-height: 1.3; }
.guide-card p { margin: 0; color: var(--muted); font-size: 14px; }
.guide-card .go { display: inline-block; margin-top: 14px; font-weight: 800; font-size: 14px; color: var(--accent-2); }

/* ---- article pages ---- */
.article-wrap { max-width: 820px; margin: 0 auto; }
.article { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: clamp(26px,5vw,54px); box-shadow: var(--shadow); }
.article .kicker { font: 700 11px/1.2 "SFMono-Regular",Consolas,monospace; letter-spacing: .11em; text-transform: uppercase; color: var(--accent-2); margin-bottom: 12px; }
.article h1 { font-size: clamp(32px,5vw,48px); }
.article h2 { font-family: Georgia,"Times New Roman",serif; font-size: clamp(22px,3vw,28px); letter-spacing: -.02em; margin: 34px 0 10px; }
.article p, .article li { font-size: 16px; color: var(--ink); }
.article p { margin: 0 0 16px; }
.article ul, .article ol { margin: 0 0 16px; padding-left: 24px; display: grid; gap: 8px; }
.article .lede { font-size: 18px; color: var(--muted); }
.article code.inline { font: 13px/1.5 "SFMono-Regular",Consolas,monospace; background: var(--surface-2); padding: 2px 7px; border-radius: 6px; }
.cta-box { margin: 34px 0 0; padding: 26px; background: var(--accent-soft); border-radius: 12px; }
.cta-box h3 { margin: 0 0 8px; font-size: 19px; }
.cta-box p { margin: 0 0 16px; color: var(--muted); font-size: 14px; }
.crumb { display: inline-block; margin-bottom: 18px; font-size: 14px; font-weight: 700; color: var(--muted); text-decoration: none; }
.crumb:hover { color: var(--accent-2); }

/* ---- floating WhatsApp ---- */
.wa-float { position: fixed; right: 18px; bottom: calc(18px + env(safe-area-inset-bottom, 0px)); width: 58px; height: 58px; border-radius: 50%; background: var(--wa); display: grid; place-items: center; box-shadow: 0 10px 28px rgba(0,0,0,.28); z-index: 200; transition: transform .15s ease; }
.wa-float:hover { transform: scale(1.07); }
.wa-float svg { width: 30px; height: 30px; fill: #fff; }

.footer { padding: 26px 2px 0; display: flex; justify-content: space-between; gap: 20px; color: var(--muted); font-size: 12px; flex-wrap: wrap; } .footer p { margin: 0; }
.footer nav { display: flex; gap: 14px; flex-wrap: wrap; }
.footer nav a { color: var(--muted); text-decoration: none; } .footer nav a:hover { color: var(--accent-2); }

@media (max-width: 900px) { .price-grid, .guide-grid { grid-template-columns: 1fr; } }
@media (max-width:820px) {
  .shell { padding:14px 12px 44px; } .hero { grid-template-columns:1fr; gap:28px; min-height:0; padding:34px 24px; } .hero::after { width:230px; height:230px; right:-100px; top:-100px; border-width:34px; } h1 { font-size:clamp(40px,13vw,62px); }
  .workspace { display:block; } .tool-nav { position:sticky; top:0; z-index:10; margin-bottom:12px; padding:8px; overflow:hidden; } .nav-label,.contact-card { display:none; } .nav-scroll { display:grid; grid-template-columns:repeat(6,minmax(0,1fr)); gap:4px; } .nav-btn { display:flex; justify-content:center; padding:8px 3px; text-align:center; } .nav-btn span:last-child { font-size:11px; } .nav-icon { display:none; }
  .panel-head { padding:25px 21px 20px; } .panel-body { padding:23px 21px 30px; } .field-row { grid-template-columns:1fr; gap:0; } .mini-grid { grid-template-columns:1fr; } .footer { flex-direction:column; }
  .about-card { grid-template-columns: 1fr; }
  .topbar-inner { padding: 10px 14px; } .topnav a { padding: 8px 9px; font-size: 13px; }
}
@media (max-width:430px) { .nav-btn span:last-child { font-size:10px; letter-spacing:-.01em; } .panel { min-height:0; } .record-box code { padding-right:0; padding-top:34px; } .actions .btn { flex:1 1 auto; } }
@media (prefers-reduced-motion:reduce) { html { scroll-behavior:auto; } *,*::before,*::after { transition:none!important; animation:none!important; } }