:root{
  --bg:#f6fbf8;
  --card:#ffffff;
  --ink:#10221a;
  --muted:#5c7468;
  --line:#d8e7dd;
  --soft:#eaf6ee;
  --accent:#1f7a4d;
  --accent-dark:#145c39;
  --blue:#2f6fed;
  --orange:#e66a2c;
  --red:#d92d20;
  --yellow:#c69214;
  --shadow:0 18px 60px rgba(18,44,30,.10);
  --radius:22px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
  background:
    radial-gradient(circle at top left, rgba(31,122,77,.14), transparent 34rem),
    linear-gradient(180deg,#fbfffc 0%,var(--bg) 42%,#fff 100%);
  color:var(--ink);
  line-height:1.6;
}
a{color:var(--accent-dark);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto}
.wrap{width:min(1160px,calc(100% - 34px));margin-inline:auto}
.skip-link{position:absolute;left:-999px;top:auto}
.skip-link:focus{left:16px;top:16px;background:#fff;padding:10px 14px;border-radius:10px;z-index:99}
.site-header{
  position:sticky;
  top:0;
  z-index:20;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(216,231,221,.86);
}
.nav{
  min-height:74px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  font-weight:900;
  color:var(--ink);
  letter-spacing:-.02em;
  font-size:1.05rem;
}
.brand-mark{
  width:38px;
  height:38px;
  border-radius:50%;
  display:grid;
  place-items:center;
  background:var(--soft);
  box-shadow:inset 0 0 0 2px var(--line);
}
.brand-dot{
  width:16px;
  height:16px;
  border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 0 8px rgba(31,122,77,.12);
}
.nav-links{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:flex-end;
  gap:14px;
  font-weight:700;
  font-size:.94rem;
}
.nav-links a{color:#234032}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink);
  border-radius:999px;
  padding:11px 16px;
  font-weight:800;
  box-shadow:0 8px 24px rgba(18,44,30,.06);
}
.btn.primary{
  background:var(--accent);
  color:#fff;
  border-color:var(--accent);
}
.hero{
  padding:70px 0 38px;
}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.08fr) minmax(300px,.72fr);
  gap:28px;
  align-items:center;
}
.kicker{
  color:var(--accent-dark);
  font-weight:900;
  text-transform:uppercase;
  letter-spacing:.08em;
  font-size:.78rem;
}
h1,h2,h3{
  line-height:1.12;
  letter-spacing:-.035em;
}
h1{
  font-size:clamp(2.25rem,6vw,5.1rem);
  margin:10px 0 18px;
}
h2{
  font-size:clamp(1.65rem,3vw,2.5rem);
  margin:0 0 14px;
}
h3{
  font-size:1.2rem;
  margin:0 0 8px;
}
.lede{
  font-size:clamp(1.05rem,2vw,1.28rem);
  color:var(--muted);
  max-width:760px;
}
.search-box{
  display:flex;
  gap:10px;
  align-items:center;
  background:#fff;
  border:1px solid var(--line);
  border-radius:20px;
  box-shadow:var(--shadow);
  padding:10px;
  margin:26px 0 12px;
}
.search-box input{
  width:100%;
  border:0;
  outline:0;
  font-size:1rem;
  padding:14px 12px;
  color:var(--ink);
}
.search-results{
  display:grid;
  gap:10px;
  margin-top:18px;
}
.search-result{
  border:1px solid var(--line);
  background:#fff;
  border-radius:18px;
  padding:15px;
}
.search-result strong{display:block;font-size:1.05rem}
.search-result p{margin:5px 0 0;color:var(--muted)}
.panel{
  background:rgba(255,255,255,.9);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:24px;
}
.light-stack{
  display:grid;
  gap:14px;
}
.light-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  border:1px solid var(--line);
  background:#fff;
  border-radius:18px;
  padding:14px;
}
.light-row span:last-child{color:var(--muted);font-weight:700}
.dot{
  width:18px;
  height:18px;
  border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 0 8px rgba(31,122,77,.10);
}
.dot.red{background:var(--red);box-shadow:0 0 0 8px rgba(217,45,32,.10)}
.dot.orange{background:var(--orange);box-shadow:0 0 0 8px rgba(230,106,44,.10)}
.dot.blue{background:var(--blue);box-shadow:0 0 0 8px rgba(47,111,237,.10)}
.dot.white{background:#fff;border:1px solid #b6c7bf;box-shadow:0 0 0 8px rgba(180,200,190,.16)}
.section{
  padding:44px 0;
}
.grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:18px;
}
.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}
.card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px;
  box-shadow:0 10px 34px rgba(18,44,30,.06);
}
.card p{color:var(--muted);margin:8px 0 0}
.card h3 a{color:var(--ink)}
.badges{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin:14px 0 0;
}
.badge{
  display:inline-flex;
  align-items:center;
  border:1px solid var(--line);
  background:var(--soft);
  color:#244a35;
  border-radius:999px;
  padding:5px 10px;
  font-size:.82rem;
  font-weight:800;
}
.badge.red{background:#fff1ef;color:#8f1e16;border-color:#ffd0cb}
.badge.orange{background:#fff4ea;color:#8a3c09;border-color:#ffd8b7}
.badge.blue{background:#edf4ff;color:#1b4a9b;border-color:#cfe0ff}
.badge.green{background:#ecf8f0;color:#17633b;border-color:#cce9d6}
.badge.white{background:#fff;color:#4a5b54}
.table-wrap{
  overflow-x:auto;
  border:1px solid var(--line);
  border-radius:18px;
  background:#fff;
}
table{
  width:100%;
  border-collapse:collapse;
  min-width:720px;
}
th,td{
  text-align:left;
  padding:14px;
  border-bottom:1px solid var(--line);
  vertical-align:top;
}
th{
  font-size:.82rem;
  text-transform:uppercase;
  letter-spacing:.06em;
  color:#426052;
  background:#f3faf6;
}
tr:last-child td{border-bottom:0}
.breadcrumbs{
  color:var(--muted);
  font-size:.92rem;
  padding:18px 0 0;
}
.breadcrumbs a{color:var(--muted)}
.article{
  max-width:880px;
}
.article h1{
  font-size:clamp(2rem,5vw,3.7rem);
}
.callout{
  border:1px solid #cfe8d8;
  background:#f2fbf5;
  border-radius:20px;
  padding:18px;
  margin:20px 0;
}
.warning{
  border-color:#ffd0cb;
  background:#fff5f3;
}
.source-note{
  border:1px solid var(--line);
  background:#fff;
  border-radius:18px;
  padding:18px;
  margin-top:22px;
  color:#405b4d;
}
.steps{
  counter-reset:step;
  display:grid;
  gap:10px;
  padding:0;
  margin:16px 0;
}
.steps li{
  list-style:none;
  counter-increment:step;
  display:grid;
  grid-template-columns:38px 1fr;
  gap:10px;
  align-items:start;
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  padding:12px;
}
.steps li::before{
  content:counter(step);
  width:28px;
  height:28px;
  border-radius:50%;
  display:grid;
  place-items:center;
  background:var(--accent);
  color:#fff;
  font-weight:900;
}
.faq-item{
  border:1px solid var(--line);
  background:#fff;
  border-radius:16px;
  padding:16px;
  margin:10px 0;
}
.site-footer{
  margin-top:54px;
  border-top:1px solid var(--line);
  background:#fff;
  padding:34px 0;
  color:var(--muted);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.3fr .7fr .7fr;
  gap:22px;
}
.footer-grid a{display:block;margin:4px 0;color:#315544}
.notice{
  font-size:.92rem;
  color:#63786d;
}
@media (max-width:850px){
  .hero-grid,.grid,.grid.two,.footer-grid{grid-template-columns:1fr}
  .nav{align-items:flex-start;flex-direction:column;padding:14px 0}
  .nav-links{justify-content:flex-start}
  .search-box{flex-direction:column;align-items:stretch}
  .btn{width:100%}
}







































































/* ===== ButtonLightGuide Phase 3 asset + mobile drawer polish START ===== */

.logo-brand{
  border:0;
  background:transparent;
  box-shadow:none;
  padding:0;
  border-radius:0;
  min-width:0;
}
.site-logo{
  display:block;
  height:54px;
  width:auto;
  max-width:310px;
  object-fit:contain;
}
.footer-logo{
  display:block;
  width:min(290px,100%);
  height:auto;
  margin:0 0 14px;
}
.mobile-menu-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  width:46px;
  height:46px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink);
  border-radius:14px;
  box-shadow:0 10px 26px rgba(18,44,30,.08);
  cursor:pointer;
}
.mobile-menu-toggle span{
  display:block;
  width:20px;
  height:2px;
  background:currentColor;
  border-radius:999px;
  position:relative;
}
.mobile-menu-toggle span::before,
.mobile-menu-toggle span::after{
  content:"";
  position:absolute;
  left:0;
  width:20px;
  height:2px;
  background:currentColor;
  border-radius:999px;
}
.mobile-menu-toggle span::before{top:-7px}
.mobile-menu-toggle span::after{top:7px}

.drawer-backdrop{
  position:fixed;
  inset:0;
  background:rgba(10,24,17,.44);
  backdrop-filter:blur(4px);
  opacity:0;
  pointer-events:none;
  transition:opacity .22s ease;
  z-index:80;
}
.mobile-drawer{
  position:fixed;
  top:0;
  right:0;
  width:min(390px,88vw);
  height:100vh;
  background:#fff;
  border-left:1px solid var(--line);
  box-shadow:-24px 0 80px rgba(18,44,30,.18);
  transform:translateX(105%);
  transition:transform .24s ease;
  z-index:90;
  overflow-y:auto;
  -webkit-overflow-scrolling:touch;
}
body.drawer-open{
  overflow:hidden;
}
body.drawer-open .drawer-backdrop{
  opacity:1;
  pointer-events:auto;
}
body.drawer-open .mobile-drawer{
  transform:translateX(0);
}
.mobile-drawer-inner{
  padding:20px;
}
.mobile-drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding-bottom:16px;
  border-bottom:1px solid var(--line);
}
.drawer-logo{
  width:220px;
  max-width:calc(100% - 56px);
  height:auto;
}
.drawer-close{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:42px;
  height:42px;
  border:1px solid var(--line);
  background:#f8fcf9;
  color:var(--ink);
  border-radius:14px;
  font-size:1.55rem;
  line-height:1;
  cursor:pointer;
}
.mobile-drawer-links{
  display:grid;
  gap:10px;
  padding:18px 0;
}
.mobile-drawer-links a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 14px;
  border:1px solid var(--line);
  border-radius:16px;
  color:var(--ink);
  background:linear-gradient(180deg,#fff,#f8fcf9);
  font-weight:850;
}
.mobile-drawer-links a::after{
  content:"›";
  color:var(--accent);
  font-size:1.25rem;
}
.mobile-drawer-note{
  margin-top:6px;
  padding:14px;
  border-radius:16px;
  background:var(--soft);
  color:#315544;
  font-size:.95rem;
}

.hero-art-card{
  background:rgba(255,255,255,.92);
  border:1px solid var(--line);
  border-radius:28px;
  box-shadow:var(--shadow);
  padding:12px;
  overflow:hidden;
}
.hero-art-card img{
  display:block;
  width:100%;
  height:auto;
  border-radius:20px;
}
.page-visual{
  margin:24px 0 28px;
  border:1px solid var(--line);
  background:#fff;
  border-radius:26px;
  box-shadow:0 16px 48px rgba(18,44,30,.08);
  overflow:hidden;
}
.page-visual img{
  display:block;
  width:100%;
  height:auto;
}
.page-visual.compact{
  max-width:520px;
  margin-inline:auto;
  padding:18px;
}
.page-visual.compact img{
  border-radius:18px;
}
.page-visual.dashboard img,
.page-visual.devices img{
  object-fit:cover;
}
.utility-logo-panel{
  display:grid;
  place-items:center;
  padding:22px;
}
.utility-logo-panel img{
  max-width:420px;
  width:100%;
  height:auto;
}
.article .page-visual{
  margin-top:20px;
}
.model-guide-card-note{
  display:flex;
  align-items:center;
  gap:12px;
  padding:14px;
  border:1px solid var(--line);
  border-radius:18px;
  background:#fff;
}
.model-guide-card-note img{
  width:54px;
  height:54px;
  object-fit:contain;
  flex:0 0 auto;
}

@media (min-width:851px){
  .mobile-drawer,
  .drawer-backdrop{
    display:none;
  }
}

@media (max-width:850px){
  .nav{
    min-height:66px;
    flex-direction:row;
    align-items:center;
    justify-content:space-between;
    padding:10px 0;
  }
  .desktop-nav{
    display:none;
  }
  .mobile-menu-toggle{
    display:inline-flex;
    flex:0 0 auto;
  }
  .site-logo{
    height:42px;
    max-width:235px;
  }
  .hero{
    padding:42px 0 24px;
  }
  .hero-grid{
    gap:20px;
  }
  .hero-art-card{
    border-radius:22px;
    padding:8px;
  }
  .hero-art-card img{
    border-radius:16px;
  }
  .page-visual{
    border-radius:22px;
    margin:18px 0 22px;
  }
  .utility-logo-panel{
    padding:16px;
  }
  .footer-logo{
    max-width:250px;
  }
}

@media (max-width:460px){
  .site-logo{
    height:38px;
    max-width:210px;
  }
  .mobile-drawer{
    width:92vw;
  }
  .mobile-drawer-inner{
    padding:16px;
  }
  .drawer-logo{
    width:190px;
  }
  .mobile-drawer-links a{
    padding:13px 12px;
  }
  h1{
    font-size:clamp(2rem,12vw,3.1rem);
  }
}

/* ===== ButtonLightGuide Phase 3 asset + mobile drawer polish END ===== */


/* ===== ButtonLightGuide BenTreder network footer START ===== */

.network-credit{
  margin-top:24px;
  padding:20px 0 4px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
}
.network-credit p{
  margin:0 0 4px;
}
.network-credit a{
  font-weight:850;
  color:var(--accent-dark);
}
.network-credit-links{
  display:flex;
  flex-wrap:wrap;
  justify-content:flex-end;
  gap:10px;
}
.network-credit-links a{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:8px 12px;
  border:1px solid var(--line);
  border-radius:999px;
  background:#f8fcf9;
  color:#315544;
  font-size:.9rem;
  font-weight:850;
}
@media (max-width:760px){
  .network-credit{
    align-items:flex-start;
    flex-direction:column;
  }
  .network-credit-links{
    justify-content:flex-start;
  }
}

/* ===== ButtonLightGuide BenTreder network footer END ===== */


/* ===== ButtonLightGuide Phase 9 internal linking polish START ===== */

.phase9-section{
  margin:44px auto 28px;
  padding:28px;
  border:1px solid var(--line);
  border-radius:28px;
  background:
    radial-gradient(520px 220px at 8% 0%, rgba(83,184,127,.10), transparent 65%),
    linear-gradient(180deg, rgba(255,255,255,.96), rgba(248,252,249,.96));
  box-shadow:0 16px 54px rgba(18,44,30,.08);
}
.phase9-head{
  max-width:780px;
  margin-bottom:18px;
}
.phase9-head h2{
  margin:4px 0 8px;
  font-size:clamp(1.45rem,3vw,2.15rem);
  letter-spacing:-.03em;
}
.phase9-head p{
  margin:0;
  color:var(--muted);
}
.phase9-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:14px;
}
.phase9-card{
  display:flex;
  flex-direction:column;
  gap:8px;
  min-height:132px;
  padding:16px;
  border:1px solid var(--line);
  border-radius:20px;
  background:#fff;
  color:var(--ink);
  box-shadow:0 10px 28px rgba(18,44,30,.06);
  transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.phase9-card:hover,
.phase9-card:focus-visible{
  transform:translateY(-2px);
  border-color:rgba(31,122,77,.35);
  box-shadow:0 16px 38px rgba(18,44,30,.10);
}
.phase9-card strong{
  font-size:1rem;
  line-height:1.25;
}
.phase9-card small{
  color:var(--muted);
  line-height:1.45;
}
.phase9-tag{
  display:inline-flex;
  align-self:flex-start;
  padding:5px 9px;
  border-radius:999px;
  background:var(--soft);
  color:var(--accent-dark);
  font-size:.72rem;
  font-weight:900;
  letter-spacing:.02em;
  text-transform:uppercase;
}
.phase9-home{
  margin-top:54px;
}

@media (max-width:900px){
  .phase9-grid{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
}

@media (max-width:620px){
  .phase9-section{
    margin:30px auto 22px;
    padding:18px;
    border-radius:22px;
  }
  .phase9-grid{
    grid-template-columns:1fr;
  }
  .phase9-card{
    min-height:auto;
  }
}

/* ===== ButtonLightGuide Phase 9 internal linking polish END ===== */


/* ===== ButtonLightGuide Phase 10B watch polish START ===== */

.phase10b-polish{
  margin:34px auto 24px;
  padding:24px;
  border:1px solid var(--line);
  border-radius:24px;
  background:
    radial-gradient(420px 180px at 5% 0%, rgba(83,184,127,.09), transparent 65%),
    linear-gradient(180deg, rgba(255,255,255,.98), rgba(248,252,249,.98));
  box-shadow:0 12px 36px rgba(18,44,30,.07);
}
.phase10b-polish h2{
  margin:.2rem 0 .7rem;
  letter-spacing:-.025em;
}
.phase10b-polish p,
.phase10b-polish li{
  color:var(--muted);
  line-height:1.72;
}
.phase10b-polish ul{
  margin:.9rem 0 0;
  padding-left:1.2rem;
}
@media (max-width:620px){
  .phase10b-polish{
    padding:18px;
    border-radius:20px;
  }
}

/* ===== ButtonLightGuide Phase 10B watch polish END ===== */


/* ===== ButtonLightGuide Phase 10 AdSense readiness START ===== */

.legal-page{
  padding-top:42px;
  padding-bottom:42px;
}
.legal-hero{
  max-width:880px;
  margin:0 auto 26px;
  padding:28px;
  border:1px solid var(--line);
  border-radius:28px;
  background:
    radial-gradient(520px 220px at 8% 0%, rgba(83,184,127,.10), transparent 65%),
    linear-gradient(180deg, rgba(255,255,255,.96), rgba(248,252,249,.96));
  box-shadow:0 16px 54px rgba(18,44,30,.08);
}
.legal-hero h1{
  margin:.2rem 0 .75rem;
  font-size:clamp(2rem,4vw,3.4rem);
  letter-spacing:-.05em;
}
.legal-card,
.adsense-readiness-card{
  max-width:880px;
  margin:18px auto;
  padding:22px;
  border:1px solid var(--line);
  border-radius:22px;
  background:#fff;
  box-shadow:0 10px 30px rgba(18,44,30,.06);
}
.legal-card h2,
.adsense-readiness-card h2{
  margin:.2rem 0 .7rem;
  letter-spacing:-.025em;
}
.legal-card p,
.adsense-readiness-card p,
.adsense-readiness-card li{
  color:var(--muted);
  line-height:1.72;
}
.adsense-readiness-card ul{
  margin:.8rem 0 0;
  padding-left:1.2rem;
}
.footer-policy-links{
  margin-top:24px;
  padding-top:18px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  align-items:center;
}
.footer-policy-links a{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:8px 12px;
  border:1px solid var(--line);
  border-radius:999px;
  background:#fff;
  color:var(--accent-dark);
  font-size:.9rem;
  font-weight:850;
}
@media (max-width:620px){
  .legal-hero,
  .legal-card,
  .adsense-readiness-card{
    padding:18px;
    border-radius:20px;
  }
  .footer-policy-links{
    align-items:flex-start;
  }
}

/* ===== ButtonLightGuide Phase 10 AdSense readiness END ===== */