/* Comfort Climate Co. — plain CSS, mobile-first. Navy #1B2A4A, amber #E8A33D, snow #F5F7FA */
@font-face{font-family:"Montserrat";font-style:normal;font-weight:800;font-display:swap;src:url("/assets/fonts/montserrat-800.woff2") format("woff2")}
:root{--navy:#1B2A4A;--navy-2:#2a3d66;--amber:#E8A33D;--amber-d:#c98521;--snow:#F5F7FA;--ink:#18233b;--muted:#4d5a73;--line:#d9dfe9;--white:#fff;--radius:14px;--maxw:1080px;--read:720px;
--head:"Montserrat",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;--body:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--body);font-size:1.0625rem;line-height:1.65;color:var(--ink);background:var(--white)}
img{max-width:100%;height:auto;display:block}
a{color:var(--navy);text-decoration-color:var(--amber);text-decoration-thickness:2px;text-underline-offset:3px}
a:hover{color:var(--navy-2);text-decoration-color:var(--navy)}
:focus-visible{outline:3px solid var(--amber);outline-offset:2px;border-radius:4px}
h1,h2,h3{font-family:var(--head);font-weight:800;line-height:1.2;color:var(--navy);margin:0 0 .6em;letter-spacing:-.01em}
h1{font-size:1.9rem}h2{font-size:1.4rem;margin-top:2em}h3{font-size:1.15rem;margin-top:1.6em}
p{margin:0 0 1.1em}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 1.1rem}
.read{max-width:var(--read);margin:0 auto}
.skip{position:absolute;left:-999px;top:0;background:var(--amber);color:var(--navy);padding:.6rem 1rem;z-index:100;font-weight:700}
.skip:focus{left:0}

/* header */
.site-header{background:var(--navy);color:var(--snow)}
.site-header .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.4rem 1rem;padding-top:.7rem;padding-bottom:.7rem}
.brand{display:flex;align-items:center;gap:.65rem;text-decoration:none;color:var(--snow)}
.brand img{width:44px;height:44px;border-radius:10px;background:#fff}
.brand span{font-family:var(--head);font-weight:800;font-size:1.05rem;line-height:1.1}
.brand span b{color:var(--amber);font-weight:800}
.nav{display:flex;flex-wrap:wrap;gap:.1rem .2rem;width:100%;margin:0;padding:0;list-style:none}
.nav a{display:block;padding:.45rem .7rem;color:var(--snow);text-decoration:none;font-weight:600;font-size:.95rem;border-radius:999px}
.nav a:hover,.nav a[aria-current="page"]{background:var(--navy-2);color:#fff}
.nav a.nav__cta{background:var(--amber);color:var(--navy)}
.nav a.nav__cta:hover{background:#f2b457;color:var(--navy)}

/* buttons */
.btn{display:inline-block;padding:.8rem 1.25rem;border-radius:999px;font-weight:700;text-decoration:none;text-align:center;border:2px solid transparent;font-size:1rem;line-height:1.2;cursor:pointer;font-family:var(--body)}
.btn--amber{background:var(--amber);color:var(--navy)}
.btn--amber:hover{background:#f2b457;color:var(--navy)}
.btn--ghost{border-color:var(--snow);color:var(--snow)}
.btn--ghost:hover{background:var(--snow);color:var(--navy)}
.btn--navy{background:var(--navy);color:var(--snow)}
.btn--navy:hover{background:var(--navy-2);color:#fff}
.btn--off{background:var(--snow);color:var(--muted);border-color:var(--line);cursor:not-allowed}
.btn-row{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:1.2rem}

/* hero */
.hero{background:var(--navy);color:var(--snow);padding:1.6rem 0 2.6rem;text-align:center}
.hero__logo{width:112px;height:112px;margin:0 auto 1rem;border-radius:24px;background:#fff;border:4px solid var(--amber)}
.hero h1{color:#fff;font-size:1.85rem;margin-bottom:.4em}
.hero h1 em{font-style:normal;color:var(--amber)}
.hero p{max-width:34rem;margin:0 auto 1rem;color:#dfe5f1}
.hero .btn-row{justify-content:center}
.hero__fine{font-size:.88rem;color:#b9c4da;margin-top:1.1rem}

/* link-in-bio stack */
.stack{display:grid;gap:.75rem;margin:-1.5rem auto 0;max-width:34rem;padding:0 1.1rem;position:relative}
.stack a{display:flex;align-items:center;justify-content:space-between;gap:.8rem;background:#fff;border:2px solid var(--navy);border-radius:var(--radius);padding:.95rem 1.1rem;text-decoration:none;font-weight:700;color:var(--navy);box-shadow:0 3px 0 var(--navy)}
.stack a:hover{background:var(--snow);transform:translateY(1px);box-shadow:0 2px 0 var(--navy)}
.stack a small{display:block;font-weight:400;color:var(--muted);font-size:.85rem}
.stack a.is-amber{background:var(--amber)}
.stack a.is-amber:hover{background:#f2b457}
.stack a.is-amber small{color:var(--navy)}
.stack .arrow{font-family:var(--head);font-size:1.2rem}

/* sections */
.section{padding:2.6rem 0}
.section--snow{background:var(--snow)}
.section__head{margin-bottom:1.3rem}
.section__head h2{margin:0 0 .3em}
.section__head p{color:var(--muted);margin:0}
.eyebrow{display:inline-block;font-weight:700;font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:var(--navy);background:var(--amber);padding:.18rem .6rem;border-radius:999px;margin-bottom:.7rem}

/* cards */
.cards{display:grid;gap:1rem;grid-template-columns:1fr}
.card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.1rem 1.15rem;text-decoration:none;color:var(--ink);border-top:5px solid var(--amber)}
.card:hover{border-color:var(--navy);border-top-color:var(--amber);box-shadow:0 6px 18px rgba(27,42,74,.12)}
.card__tag{font-size:.75rem;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--muted);margin-bottom:.35rem}
.card__title{font-family:var(--head);font-weight:800;color:var(--navy);font-size:1.1rem;line-height:1.25;margin:0 0 .5rem}
.card__text{color:var(--muted);font-size:.95rem;margin:0 0 .8rem;flex:1}
.card__more{font-weight:700;color:var(--navy);font-size:.92rem}

/* callouts */
.callout{border-radius:var(--radius);padding:1.2rem 1.25rem;background:var(--snow);border:1px solid var(--line)}
.callout--navy{background:var(--navy);color:var(--snow);border:0}
.callout--navy h2,.callout--navy h3{color:#fff;margin-top:0}
.callout--navy a{color:var(--amber)}
.note{background:var(--snow);border-left:5px solid var(--amber);padding:.8rem 1rem;border-radius:0 10px 10px 0}
.disc-inline{font-size:.88rem;color:var(--muted);margin:.8rem 0 0}
.disc-inline strong{color:var(--ink)}
.ai-badge{display:inline-block;font-size:.78rem;font-weight:700;color:var(--navy);background:#fff;border:1.5px solid var(--navy);border-radius:999px;padding:.1rem .6rem}
.todo{background:#fff3d6;border:1px dashed var(--amber-d);padding:0 .35rem;border-radius:4px;font-weight:600;color:#6b4300}

/* socials */
.socials{display:flex;flex-wrap:wrap;gap:.6rem;margin:0;padding:0;list-style:none}
.socials a{display:inline-block;padding:.55rem 1rem;border-radius:999px;border:2px solid var(--navy);color:var(--navy);font-weight:700;text-decoration:none;background:#fff}
.socials a:hover{background:var(--navy);color:#fff}

/* article */
.crumbs{font-size:.88rem;color:var(--muted);padding:1rem 0 .2rem}
.crumbs a{color:var(--muted)}
.article-head{padding:1rem 0 .4rem}
.article-meta{display:flex;flex-wrap:wrap;gap:.4rem .9rem;align-items:center;color:var(--muted);font-size:.9rem;margin-bottom:1rem}
.takeaways{background:var(--snow);border:1px solid var(--line);border-top:5px solid var(--amber);border-radius:var(--radius);padding:1rem 1.2rem;margin:1rem 0 1.6rem}
.takeaways h2{font-size:1.05rem;margin:0 0 .5rem}
.takeaways ul{margin:0;padding-left:1.2rem}
.prose ul,.prose ol{padding-left:1.3rem;margin:0 0 1.2em}
.prose li{margin-bottom:.45em}
.prose h2{border-top:1px solid var(--line);padding-top:1.2rem}
.prose h2:first-of-type{margin-top:1.6em}
.checklist{list-style:none;padding-left:0!important}
.checklist li{position:relative;padding-left:1.8rem}
.checklist li::before{content:"";position:absolute;left:0;top:.28em;width:1.05rem;height:1.05rem;border:2px solid var(--navy);border-radius:4px;background:#fff}
.steps{counter-reset:s;list-style:none;padding-left:0!important}
.steps li{counter-increment:s;position:relative;padding-left:2.6rem;margin-bottom:.9em}
.steps li::before{content:counter(s);position:absolute;left:0;top:0;width:1.9rem;height:1.9rem;border-radius:50%;background:var(--navy);color:#fff;font-family:var(--head);font-weight:800;display:grid;place-items:center;font-size:.95rem}
.table-wrap{overflow-x:auto;margin:0 0 1.3em}
table{border-collapse:collapse;width:100%;min-width:520px;font-size:.95rem}
th,td{text-align:left;padding:.65rem .75rem;border:1px solid var(--line);vertical-align:top}
th{background:var(--navy);color:#fff;font-family:var(--head);font-weight:800;font-size:.9rem}
tbody tr:nth-child(even){background:var(--snow)}
.mvf{display:grid;gap:.6rem;margin-bottom:1.4rem}
.mvf__row{display:grid;grid-template-columns:4.6rem 1fr;gap:.8rem;align-items:start;background:var(--snow);border-radius:10px;padding:.7rem .9rem}
.mvf__row p{margin:0}
.mvf__label{font-family:var(--head);font-weight:800;font-size:.8rem;text-transform:uppercase;letter-spacing:.06em;text-align:center;padding:.25rem 0;border-radius:6px}
.mvf__label--myth{background:#fff;border:2px solid var(--navy);color:var(--navy)}
.mvf__label--fact{background:var(--amber);color:var(--navy)}
.sources{font-size:.9rem;color:var(--muted);border-top:1px solid var(--line);margin-top:2rem;padding-top:1rem}
.sources h2{font-size:1rem;border:0;margin:0 0 .4rem;padding:0}
.sources ul{margin:0;padding-left:1.2rem}
.cta{margin:2rem 0}

/* picks */
.pick-cat{margin-bottom:2.4rem}
.slots{display:grid;gap:1rem;grid-template-columns:1fr}
.slot{border:2px dashed var(--line);border-radius:var(--radius);padding:1rem 1.1rem;background:#fff}
.slot__n{font-size:.75rem;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--muted)}
.slot h3{margin:.2rem 0 .4rem;font-size:1.05rem}
.slot p{color:var(--muted);font-size:.95rem;margin-bottom:.8rem}

/* forms */
.signup{display:grid;gap:.8rem;max-width:30rem}
.signup label{font-weight:700;display:block;margin-bottom:.25rem}
.signup input[type=email]{width:100%;padding:.8rem .9rem;border:2px solid var(--navy);border-radius:10px;font-size:1rem;font-family:var(--body);background:#fff;color:var(--ink)}
.signup .consent{display:flex;gap:.6rem;align-items:flex-start;font-size:.9rem;font-weight:400}
.signup .consent input{margin-top:.3rem;width:1.1rem;height:1.1rem;flex:none;accent-color:var(--navy)}
.signup .fine{font-size:.82rem;color:var(--muted);margin:0}
.callout--navy .signup .fine{color:#b9c4da}
.callout--navy .signup input[type=email]{border-color:var(--amber)}
.form-msg{font-weight:600;margin:0}
.form-msg:empty{display:none}

/* footer */
.site-footer{background:var(--navy);color:#dfe5f1;margin-top:0;padding:2rem 0 1.5rem;font-size:.92rem}
.site-footer a{color:#fff}
.site-footer .disc{font-weight:700;color:#fff;font-size:1rem;margin:0 0 .3rem}
.footer-grid{display:grid;gap:1.3rem}
.footer-links{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:.3rem 1.1rem}
.footer-links a{text-decoration-color:var(--amber)}
.footer-fine{border-top:1px solid #3a4e7a;margin-top:1.3rem;padding-top:1rem;color:#b9c4da;font-size:.85rem}

@media(min-width:640px){
 body{font-size:1.1rem}
 h1{font-size:2.4rem}h2{font-size:1.6rem}
 .cards{grid-template-columns:repeat(2,1fr)}
 .slots{grid-template-columns:repeat(2,1fr)}
 .hero{padding:2.6rem 0 3.4rem}.hero h1{font-size:2.5rem}
 .nav{width:auto;flex-wrap:nowrap}
 .site-header .wrap{flex-wrap:nowrap}
 .footer-grid{grid-template-columns:2fr 1fr}
}
@media(min-width:960px){
 .cards--3{grid-template-columns:repeat(3,1fr)}
 .hero h1{font-size:2.9rem}
 .hero__logo{width:140px;height:140px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
@media print{.site-header,.site-footer .footer-links,.stack,.btn-row{display:none}}

/* utilities (no inline styles: CSP-friendly) */
.mt0{margin-top:0}.mt1{margin-top:1rem}.mb2{margin-bottom:2rem}.mb3{margin-bottom:3rem}.my15{margin:1.5rem 0}.my2{margin:2rem 0 2.5rem}
.btn-row--center{justify-content:center}
.nf{text-align:center;padding:3rem 0}.nf__img{margin:0 auto 1rem;border-radius:20px}
.footer-links--soc{margin-top:.8rem}