:root{
  --ink:#16323b;
  --muted:#5d7278;
  --paper:#f7fbfb;
  --card:#ffffff;
  --line:#d8e8ea;
  --heat:#e76e38;
  --sun:#ffb64f;
  --cool:#087a95;
  --cool2:#25a8c4;
  --clean:#2f8d70;
  --violet:#725bb6;
  --shadow:0 20px 56px rgba(22,50,59,.11);
  --radius:24px;
  --max:1160px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  color:var(--ink);
  background:
    radial-gradient(circle at 8% 0%,rgba(255,182,79,.17),transparent 28%),
    radial-gradient(circle at 94% 8%,rgba(37,168,196,.14),transparent 30%),
    var(--paper);
  line-height:1.65;
}
a{color:var(--cool);text-underline-offset:.18em}
a:hover{color:#04576c}
img{max-width:100%;display:block}
.wrap{width:min(var(--max),calc(100% - 32px));margin-inline:auto}
.site-header{
  position:sticky;top:0;z-index:20;
  background:rgba(247,251,251,.93);
  backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(216,232,234,.95);
}
.nav{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink);text-decoration:none;font-weight:900;letter-spacing:-.02em}
.brand-mark{
  width:44px;height:44px;border-radius:15px;display:grid;place-items:center;color:white;
  background:linear-gradient(135deg,var(--heat),var(--sun) 48%,var(--cool2) 52%,var(--cool));
  box-shadow:0 9px 24px rgba(8,122,149,.2)
}
.nav-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.nav-links a{text-decoration:none;color:var(--ink);font-weight:750;font-size:.94rem}
.nav-links a:hover{color:var(--cool)}
.hero{padding:74px 0 48px}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;
  background:white;border:1px solid var(--line);font-weight:850;color:var(--cool);font-size:.88rem
}
h1,h2,h3{line-height:1.12;letter-spacing:-.035em;margin-top:0}
h1{font-size:clamp(2.55rem,6vw,5rem);margin:18px 0 20px}
h2{font-size:clamp(1.9rem,3.4vw,3.05rem)}
h3{font-size:1.28rem}
.lede{font-size:clamp(1.04rem,2vw,1.27rem);color:var(--muted);max-width:780px}
.hero-actions,.button-row,.profile-links{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;
  padding:11px 18px;border-radius:14px;border:1px solid transparent;text-decoration:none;
  font-weight:850;transition:.2s transform,.2s box-shadow,.2s background
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:linear-gradient(135deg,var(--cool),var(--cool2));color:white;box-shadow:0 12px 28px rgba(8,122,149,.23)}
.btn-primary:hover{color:white}
.btn-secondary{background:white;color:var(--ink);border-color:var(--line)}
.hero-art{background:linear-gradient(155deg,#fff 0 55%,#edf9fb);border:1px solid var(--line);border-radius:30px;padding:24px;box-shadow:var(--shadow)}
.trust-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:26px}
.trust{background:rgba(255,255,255,.8);border:1px solid var(--line);padding:12px 14px;border-radius:14px;font-weight:760;font-size:.9rem}
.section{padding:56px 0}
.section-head{max-width:790px;margin-bottom:30px}
.section-head p{color:var(--muted);font-size:1.05rem}
.kicker{color:var(--heat);font-weight:900;letter-spacing:.08em;font-size:.82rem}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.tool-card{
  display:flex;flex-direction:column;min-height:100%;padding:24px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:0 10px 30px rgba(16,52,61,.06);transition:.2s transform,.2s box-shadow
}
.tool-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.tool-icon{width:54px;height:54px;display:grid;place-items:center;border-radius:17px;background:linear-gradient(145deg,#fff1e7,#eafaff);font-size:1.65rem;margin-bottom:18px}
.tool-card p{color:var(--muted);flex:1}
.tool-card a{font-weight:850;text-decoration:none}
.badge{display:inline-flex;width:max-content;padding:5px 9px;border-radius:999px;background:#e9f7f3;color:var(--clean);font-size:.78rem;font-weight:900;margin-bottom:12px}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.panel{background:white;border:1px solid var(--line);border-radius:var(--radius);padding:27px;box-shadow:0 10px 30px rgba(16,52,61,.05)}
.callout{background:linear-gradient(135deg,#17323b,#075f75);color:white;border-radius:28px;padding:35px;display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center}
.callout p{color:#dbedf1;margin-bottom:0}
.callout .btn-secondary{border-color:rgba(255,255,255,.24)}
.author-section{padding:60px 0}
.author-card{
  display:grid;grid-template-columns:280px 1fr;gap:38px;align-items:start;
  background:white;border:1px solid var(--line);border-radius:30px;padding:34px;box-shadow:var(--shadow)
}
.author-photo-wrap{position:relative}
.author-photo{
  width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:24px;border:1px solid var(--line);
  box-shadow:0 16px 38px rgba(22,50,59,.16)
}
.author-badge{
  margin-top:14px;padding:12px 14px;border-radius:15px;background:linear-gradient(135deg,#fff4e9,#effbfc);
  border:1px solid var(--line);font-weight:850;text-align:center
}
.author-copy p{color:#405b63}
.profile-links{margin-top:20px}
.profile-link{
  display:inline-flex;align-items:center;gap:7px;padding:9px 12px;border-radius:12px;
  background:#f3f9fa;border:1px solid var(--line);text-decoration:none;font-weight:800;color:var(--ink)
}
.profile-link:hover{background:white;color:var(--cool)}
.profile-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:20px}
.profile-list a{display:flex;align-items:center;min-height:46px;padding:10px 12px;border:1px solid var(--line);border-radius:13px;background:#fbfefe;text-decoration:none;font-weight:760;overflow-wrap:anywhere}
.page-hero{padding:52px 0 28px}
.breadcrumb{font-size:.9rem;margin-bottom:18px}
.content-card{background:white;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:0 10px 30px rgba(16,52,61,.05)}
.site-footer{padding:48px 0 72px;color:var(--muted)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:28px}
.footer-grid a{display:block;margin:.45rem 0}
.small{font-size:.88rem;color:var(--muted)}
.notice{background:#fff8e7;border:1px solid #e9d6a0;border-radius:16px;padding:14px 16px;color:#66531c}
@media(max-width:900px){
  .hero-grid,.two-col,.callout,.author-card{grid-template-columns:1fr}
  .grid{grid-template-columns:repeat(2,1fr)}
  .author-photo-wrap{max-width:320px}
  .nav-links{display:none}
}
@media(max-width:620px){
  .grid,.trust-strip,.footer-grid,.profile-list{grid-template-columns:1fr}
  .hero-actions .btn,.button-row .btn{width:100%}
  h1{font-size:2.45rem}
  .wrap{width:min(100% - 22px,var(--max))}
  .section,.author-section{padding:40px 0}
  .author-card{padding:20px}
}

/* HEATSAFE_AUTHOR_IDENTITY_V1 */
.author-photo-portrait{
  aspect-ratio: 3 / 4;
  object-position: center 18%;
}
.author-card-expanded{
  grid-template-columns:minmax(250px,330px) minmax(0,1fr);
}
.author-lede{
  font-size:1.06rem;
  line-height:1.82;
}
.author-links-heading{
  font-size:1.1rem;
  margin:26px 0 0;
}
.author-signature{
  padding:34px 0;
}
.author-signature-inner{
  display:grid;
  grid-template-columns:92px minmax(0,1fr);
  gap:22px;
  align-items:center;
  background:linear-gradient(135deg,#ffffff,#f0fafb);
  border:1px solid var(--line);
  border-radius:22px;
  padding:22px;
  box-shadow:0 10px 30px rgba(16,52,61,.06);
}
.author-signature-photo{
  width:92px;
  height:112px;
  object-fit:cover;
  object-position:center 18%;
  border-radius:16px;
  border:1px solid var(--line);
  box-shadow:0 10px 24px rgba(22,50,59,.14);
}
.author-signature-photo-link{
  display:block;
  text-decoration:none;
}
.author-signature-copy h2{
  font-size:1.45rem;
  margin:4px 0 4px;
}
.author-signature-copy h2 a{
  color:var(--ink);
  text-decoration:none;
}
.author-signature-copy p{
  margin:0;
  color:var(--muted);
}
.author-signature-links{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:10px;
}
.author-signature-links a{
  font-weight:800;
  text-decoration:none;
}
@media(max-width:900px){
  .author-card-expanded{grid-template-columns:1fr}
}
@media(max-width:620px){
  .author-signature-inner{
    grid-template-columns:1fr;
    text-align:center;
  }
  .author-signature-photo{
    margin-inline:auto;
  }
  .author-signature-links{
    justify-content:center;
  }
}

/* HEATSAFE_SECONDARY_AUTHOR_PROFILE_V2 */
.secondary-author-profile{
  padding:42px 0;
}
.secondary-author-profile-inner{
  display:grid;
  grid-template-columns:minmax(180px,230px) minmax(0,1fr);
  gap:30px;
  align-items:start;
  padding:30px;
  border:1px solid var(--line);
  border-radius:24px;
  background:linear-gradient(135deg,#ffffff 0%,#f1fafb 100%);
  box-shadow:0 14px 36px rgba(16,52,61,.08);
}
.secondary-author-photo-wrap{
  position:relative;
}
.secondary-author-photo{
  display:block;
  width:100%;
  aspect-ratio:3 / 4;
  object-fit:cover;
  object-position:center 18%;
  border-radius:20px;
  border:1px solid var(--line);
  box-shadow:0 14px 30px rgba(22,50,59,.16);
}
.secondary-author-content h2{
  margin:5px 0 3px;
  font-size:1.9rem;
}
.secondary-author-content h2 a{
  color:var(--ink);
  text-decoration:none;
}
.secondary-author-role{
  margin:0 0 18px;
  color:var(--muted);
  font-weight:800;
}
.secondary-author-bio{
  margin:0;
  max-width:950px;
  line-height:1.82;
}
.secondary-author-content h3{
  margin:24px 0 12px;
  font-size:1.08rem;
}
.secondary-author-links{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.secondary-author-links a{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  padding:8px 13px;
  border:1px solid var(--line);
  border-radius:999px;
  background:#fff;
  color:var(--ink);
  font-weight:800;
  text-decoration:none;
}
.secondary-author-links a:hover{
  transform:translateY(-1px);
  box-shadow:0 7px 18px rgba(16,52,61,.08);
}
@media(max-width:780px){
  .secondary-author-profile-inner{
    grid-template-columns:1fr;
  }
  .secondary-author-photo-wrap{
    max-width:260px;
    margin-inline:auto;
  }
  .secondary-author-content{
    text-align:center;
  }
  .secondary-author-links{
    justify-content:center;
  }
}