:root{
  --blue:#0968ef;
  --blue-dark:#074bb0;
  --ink:#101622;
  --muted:#667085;
  --line:#e6ebf2;
  --soft:#f6f8fb;
  --white:#ffffff;
  --shadow:0 12px 34px rgba(24,44,79,.10);
  --shadow-sm:0 5px 18px rgba(24,44,79,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:#fff;line-height:1.55}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1160px,92%);margin:0 auto}

/* header */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);backdrop-filter:blur(14px);border-bottom:1px solid rgba(230,235,242,.95)}
.nav{height:74px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:flex;align-items:center;gap:11px;font-weight:900;letter-spacing:-.04em;font-size:24px;white-space:nowrap}
.brand-mark{width:39px;height:39px;border:3px solid var(--blue);color:var(--blue);display:grid;place-items:center;border-radius:10px;font-size:20px;line-height:1}
.brand-word span{color:var(--blue)}
nav{display:flex;align-items:center;gap:27px;font-size:14px;font-weight:750;color:#222b3a}
nav a:hover{color:var(--blue)}
.nav-search{width:38px;height:38px;display:grid;place-items:center;background:var(--blue);color:#fff;border-radius:9px;font-size:17px}

/* hero */
.hero-v2{position:relative;overflow:hidden;background:#15243b;min-height:385px;color:white}
.hero-v2::before{content:"";position:absolute;inset:0 0 0 43%;background:url("/assets/images/hero-house.webp") center/cover no-repeat}
.hero-v2::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,20,38,.98) 0%,rgba(8,20,38,.91) 34%,rgba(8,20,38,.53) 58%,rgba(8,20,38,.16) 100%)}
.hero-inner{position:relative;z-index:2;padding:55px 0 49px}
.hero-copy{max-width:710px}
.hero-copy h1{margin:0;font-size:clamp(46px,5.8vw,70px);line-height:.98;letter-spacing:-.055em;text-shadow:0 3px 18px rgba(0,0,0,.15)}
.hero-copy h1 em{font-style:normal;color:#2f8cff}
.hero-copy p{font-size:19px;margin:14px 0 20px;color:#eef4ff}
.searchbox{display:flex;background:white;border-radius:15px;box-shadow:0 12px 34px rgba(0,0,0,.20);padding:6px;max-width:700px}
.searchbox input{border:0;outline:0;flex:1;padding:15px 16px;font-size:16px;color:#222;background:transparent;min-width:0}
.searchbox button{border:0;background:var(--blue);color:#fff;font-weight:800;padding:0 27px;border-radius:11px;font-size:15px;cursor:pointer}
.quick-search{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:14px;font-size:12px}
.quick-search strong{font-size:12px}
.quick-search a{padding:7px 12px;border-radius:999px;background:rgba(17,28,45,.74);border:1px solid rgba(255,255,255,.13);color:#fff;font-weight:700}

/* categories */
.category-strip{padding:21px 0 8px;background:#fff}
.category-grid-v2{display:grid;grid-template-columns:repeat(10,1fr);gap:11px}
.category-v2{min-height:128px;border:1px solid var(--line);border-radius:13px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:12px 8px;background:#fff;transition:.2s ease}
.category-v2:hover{transform:translateY(-3px);border-color:#b8d4ff;box-shadow:0 10px 26px rgba(9,104,239,.12)}
.category-v2 .ico{font-size:31px;margin-bottom:8px}
.category-v2 b{font-size:13px}
.category-v2 small{font-size:11px;color:#8791a1;margin-top:7px}

/* sections and popular cards */
.section{padding:48px 0}
.section.alt{background:#fafbfc}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:22px}
.section-head h2{margin:0;font-size:31px;letter-spacing:-.035em}
.section-head p{margin:4px 0 0;color:var(--muted)}
.section-link{color:var(--blue);font-size:13px;font-weight:850}
.popular-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.visual-card{border:1px solid var(--line);border-radius:13px;background:#fff;overflow:hidden;box-shadow:0 4px 15px rgba(25,50,90,.045);transition:.2s}
.visual-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.visual-card .thumb{height:142px;overflow:hidden;background:#e8edf4}
.visual-card .thumb img{width:100%;height:100%;object-fit:cover}
.visual-card .body{padding:15px 14px 17px}
.label{display:inline-flex;padding:4px 8px;border-radius:999px;background:#eef5ff;color:var(--blue);font-size:10px;font-weight:900;text-transform:uppercase;letter-spacing:.02em;margin-bottom:8px}
.visual-card h3{margin:0 0 6px;font-size:17px;line-height:1.22;letter-spacing:-.02em}
.visual-card p{margin:0;color:var(--muted);font-size:13px}
.visual-card .read{display:inline-block;margin-top:9px;color:var(--blue);font-size:12px;font-weight:850}

/* all guide search cards */
.guides{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.guide-card{background:#fff;border:1px solid var(--line);border-radius:15px;padding:19px;min-height:210px;display:flex;flex-direction:column}
.guide-card .pill,.pill{display:inline-flex;align-self:flex-start;padding:5px 9px;border-radius:999px;background:#eef5ff;color:var(--blue);font-size:11px;font-weight:850}
.guide-card h3{font-size:19px;line-height:1.25;margin:12px 0 7px;letter-spacing:-.02em}
.guide-card p{font-size:14px;color:var(--muted);margin:0 0 14px}
.read{margin-top:auto;color:var(--blue);font-weight:800}
.empty{display:none;border:1px dashed #bbc6d6;padding:22px;border-radius:14px;color:var(--muted);margin-bottom:18px}

/* how it works */
.how-grid{display:grid;grid-template-columns:1.6fr .95fr;gap:19px}
.how-panel,.tips-panel{border:1px solid var(--line);border-radius:20px;background:linear-gradient(135deg,#f8fbff,#f6f8fb);padding:25px}
.how-panel h2,.tips-panel h3{margin:0;letter-spacing:-.035em}
.how-panel>p,.tips-panel p{color:var(--muted);margin:3px 0 17px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.step{background:white;border:1px solid #edf0f5;border-radius:12px;padding:17px;min-height:142px}
.step .step-icon{width:42px;height:42px;border-radius:50%;background:#eaf3ff;color:var(--blue);display:grid;place-items:center;font-size:20px;margin-bottom:12px}
.step b{display:block;font-size:14px}.step small{display:block;color:var(--muted);margin-top:5px;line-height:1.35}
.tips-panel{display:grid;grid-template-columns:130px 1fr;align-items:center;gap:18px}
.tips-panel img{width:130px;height:180px;object-fit:cover;border-radius:11px}
.btn{display:inline-flex;background:var(--blue);color:white;padding:10px 16px;border-radius:8px;font-weight:800;font-size:13px;margin-top:8px}

/* ad */
.ad-slot{border:1px dashed #c3ccda;border-radius:14px;min-height:105px;background:#fafbfc;color:#8791a1;display:grid;place-items:center;text-align:center;padding:18px}
.ad-slot b{display:block;color:#626d7c}

/* V1 category pages */
.page{padding:54px 0 75px;background:#fbfcfe}
.page-card{max-width:850px;margin:auto;background:#fff;border:1px solid var(--line);border-radius:22px;padding:38px;box-shadow:var(--shadow-sm)}
.page-card h1{font-size:44px;letter-spacing:-.04em;margin-top:0}
.eyebrow{display:inline-flex;padding:7px 11px;border-radius:999px;background:#eef5ff;color:var(--blue);font-size:12px;font-weight:900}

/* article pages */
.article-wrap{display:grid;grid-template-columns:minmax(0,760px) 300px;gap:42px;padding:45px 0 72px}
.article{min-width:0}
.breadcrumbs{font-size:12px;color:#778293;margin-bottom:17px}.breadcrumbs a{color:var(--blue)}
.article h1{font-size:clamp(38px,5vw,56px);line-height:1.04;letter-spacing:-.05em;margin:12px 0}
.article .lede{font-size:19px;color:var(--muted);margin-bottom:23px}
.article h2{font-size:27px;letter-spacing:-.035em;margin-top:36px;border-top:1px solid #eef1f5;padding-top:28px}
.article h3{font-size:18px;margin:0 0 5px}
.article ul,.article ol{padding-left:22px}
.cause{padding:15px 0;border-bottom:1px solid #eef1f5}
.safety{display:flex;gap:13px;padding:18px;border-radius:14px;background:#fff7e8;border:1px solid #f1d59e;color:#574116}
.safety strong{display:block;margin-bottom:3px}
.sidebar{display:grid;gap:16px;align-content:start}
.sidebox{border:1px solid var(--line);border-radius:15px;padding:18px;background:#fff}
.sidebox h3{margin:0 0 8px}.sidebox a{display:block;color:var(--blue);font-weight:750;padding:7px 0;font-size:14px}

/* footer */
.site-footer{background:#0f1724;color:#dce5f1;padding:46px 0 21px;margin-top:10px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:45px}
.footer-grid p{max-width:520px;color:#9eabbc}
.footer-grid h4{margin:0 0 10px;color:#fff}
.footer-grid a{display:block;color:#b9c4d2;margin:7px 0}
.footer-brand{color:#fff}
.footer-bottom{border-top:1px solid #2a3544;margin-top:32px;padding-top:18px;color:#7f8b9b;font-size:12px}

@media(max-width:1050px){
  .category-grid-v2{grid-template-columns:repeat(5,1fr)}
  .popular-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:880px){
  nav a:not(.nav-search){display:none}
  .article-wrap{grid-template-columns:1fr}
  .sidebar{grid-template-columns:1fr 1fr}
  .how-grid{grid-template-columns:1fr}
  .guides{grid-template-columns:1fr 1fr}
}
@media(max-width:650px){
  .brand{font-size:19px}.brand-mark{width:34px;height:34px}
  .hero-v2::before{inset:0;background-position:66% center}
  .hero-v2::after{background:linear-gradient(90deg,rgba(8,20,38,.96),rgba(8,20,38,.72))}
  .hero-inner{padding:43px 0}
  .hero-copy h1{font-size:44px}
  .searchbox{display:block;padding:7px}
  .searchbox button{width:100%;padding:13px}
  .category-grid-v2{display:flex;overflow-x:auto;padding-bottom:12px;scroll-snap-type:x mandatory}
  .category-v2{min-width:118px;scroll-snap-align:start}
  .popular-grid,.guides,.steps,.sidebar,.footer-grid{grid-template-columns:1fr}
  .tips-panel{grid-template-columns:100px 1fr}.tips-panel img{width:100px;height:145px}
  .section{padding:39px 0}
  .section-head{align-items:start}.section-head h2{font-size:27px}
  .article-wrap{padding-top:30px}
  .page-card{padding:25px}
}