/* ============================================================
   HousePlanEngineerReview.com — Blog styles
   Standalone file. Uses the design tokens defined in style.css
   (--gold, --gold-2, --ink, --bg, --panel, --line, --grad, etc.)
   Nothing here overrides the existing site pages.
   ============================================================ */

/* ---------- Blog hero (compact page hero) ---------- */
.blog-hero{position:relative;overflow:hidden;background:linear-gradient(120deg,#171420,#0E0C12);padding:200px 0 70px;border-bottom:1px solid rgba(203,169,78,.22)}
.blog-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 90% at 82% 10%,rgba(176,141,45,.28),transparent 62%);pointer-events:none}
.blog-hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,transparent,rgba(203,169,78,.6),transparent)}
.blog-hero .blueprint-grid{position:absolute;inset:0;z-index:0;pointer-events:none;background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:54px 54px;-webkit-mask-image:radial-gradient(75% 75% at 50% 40%,#000 30%,transparent 100%);mask-image:radial-gradient(75% 75% at 50% 40%,#000 30%,transparent 100%)}
.blog-hero .wrap{position:relative;z-index:2}
.blog-crumbs{position:static;padding:0;z-index:auto;display:flex;align-items:center;gap:10px;font-size:12.5px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:rgba(255,255,255,.72);margin-bottom:16px}
.blog-crumbs a{color:rgba(255,255,255,.72)}
.blog-crumbs a:hover{color:var(--gold-2)}
.blog-crumbs span.sep{color:var(--gold-2)}
.blog-crumbs span[aria-current]{color:var(--gold-2)}
.blog-hero .eyebrow{display:inline-flex;align-items:center;gap:10px;padding:9px 20px 9px 12px;border-radius:100px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.28);font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:#fff;margin-bottom:20px}
.blog-hero .eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--gold-2)}
.blog-hero h1{font-family:'Sora',sans-serif;font-weight:800;font-size:clamp(32px,4.8vw,56px);line-height:1.08;letter-spacing:-.03em;color:#fff;max-width:20ch}
.blog-hero .blog-sub{margin-top:18px;font-size:clamp(15px,1.6vw,18px);color:rgba(255,255,255,.82);max-width:60ch;line-height:1.65}

/* ---------- Blog listing ---------- */
.blog-section{padding:80px 0 96px}
@media(max-width:900px){.blog-section{padding:56px 0 66px}}
.blog-lead-head{max-width:760px;margin-bottom:44px}
.blog-lead-head .sec-tag{display:inline-flex;align-items:center;gap:10px;font-size:12.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--gold);margin-bottom:16px}
.blog-lead-head .sec-tag::before{content:"";width:30px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--gold),var(--gold-2))}
.blog-lead-head h2{font-family:'Sora',sans-serif;font-weight:800;font-size:clamp(26px,3.4vw,40px);letter-spacing:-.03em;line-height:1.12;color:var(--ink)}
.blog-lead-head p{font-size:17px;color:var(--soft);margin-top:14px;line-height:1.65}

.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
@media(max-width:960px){.blog-grid{grid-template-columns:repeat(2,1fr);gap:22px}}
@media(max-width:600px){.blog-grid{grid-template-columns:1fr;gap:20px}}

.post-card{position:relative;display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--line);border-radius:24px;overflow:hidden;box-shadow:var(--sh-card);transition:transform .45s cubic-bezier(.2,.7,.2,1),box-shadow .45s,border-color .45s}
.post-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--gold-2);transform:scaleX(0);transform-origin:left;transition:transform .5s cubic-bezier(.2,.7,.2,1);z-index:3}
.post-card:hover{transform:translateY(-8px);box-shadow:0 30px 60px -22px rgba(176,141,45,.45);border-color:rgba(176,141,45,.3)}
.post-card:hover::before{transform:scaleX(1)}
.pc-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg2)}
.pc-media img{width:100%;height:100%;object-fit:cover;transition:transform .8s cubic-bezier(.2,.7,.2,1)}
.post-card:hover .pc-media img{transform:scale(1.07)}
.pc-body{display:flex;flex-direction:column;flex:1;padding:26px 26px 24px}
.pc-cat{align-self:flex-start;font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--gold);background:var(--gold-soft);border:1px solid rgba(176,141,45,.22);padding:6px 12px;border-radius:100px;margin-bottom:14px}
.pc-body h3{font-family:'Sora',sans-serif;font-weight:700;font-size:19px;letter-spacing:-.015em;line-height:1.3;color:var(--ink);margin-bottom:10px}
.pc-body p{font-size:14.5px;color:var(--soft);line-height:1.6;margin-bottom:18px;flex:1}
.pc-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--soft);font-weight:500;margin-bottom:14px}
.pc-meta i{width:3px;height:3px;border-radius:50%;background:var(--gold-2);flex-shrink:0}
.pc-more{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:700;color:var(--gold);transition:gap .3s}
.pc-more svg{width:16px;height:16px;transition:transform .3s}
.post-card:hover .pc-more{gap:12px}
.post-card:hover .pc-more svg{transform:translateX(4px)}

.blog-empty{text-align:center;padding:60px 0;color:var(--soft);font-size:17px}

/* ---------- Single article ---------- */
.art-head{position:relative;overflow:hidden;background:linear-gradient(120deg,#171420,#0E0C12);padding:200px 0 60px;border-bottom:1px solid rgba(203,169,78,.22)}
.art-head::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 90% at 85% 8%,rgba(176,141,45,.26),transparent 60%);pointer-events:none}
.art-head::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,transparent,rgba(203,169,78,.6),transparent)}
.art-head .wrap{position:relative;z-index:2;max-width:900px}
.art-head .blog-crumbs{color:rgba(255,255,255,.72)}
.art-cat{display:inline-flex;align-items:center;font-size:11.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--gold-2);background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.24);padding:7px 14px;border-radius:100px;margin-bottom:18px}
.art-title{font-family:'Sora',sans-serif;font-weight:800;font-size:clamp(30px,4.4vw,52px);line-height:1.1;letter-spacing:-.03em;color:#fff;max-width:24ch}
.art-meta{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin-top:22px;font-size:13.5px;color:rgba(255,255,255,.78);font-weight:500}
.art-meta i{width:3px;height:3px;border-radius:50%;background:var(--gold-2)}

.art-figure{position:relative;width:min(620px,90%);margin:-24px auto 0;z-index:5;border-radius:18px;overflow:hidden;box-shadow:0 24px 60px -30px rgba(20,17,24,.5);border:1px solid var(--line);aspect-ratio:2/1}
.art-figure img{width:100%;height:100%;display:block;object-fit:cover}
@media(max-width:640px){.art-figure{margin-top:-16px;border-radius:14px;aspect-ratio:16/10;width:92%}}
@media(max-width:760px){.art-head{padding-top:150px}.blog-hero{padding-top:150px}.blog-404{padding-top:150px}}

.art-wrap{width:min(760px,92%);margin:0 auto;padding:52px 0 20px}
@media(max-width:640px){.art-wrap{padding:36px 0 12px}}
.article{color:var(--soft);font-size:17px;line-height:1.8}
.article > *:first-child{margin-top:0}
.article h2{font-family:'Sora',sans-serif;font-weight:800;font-size:clamp(23px,2.8vw,30px);letter-spacing:-.02em;line-height:1.2;color:var(--ink);margin:42px 0 14px}
.article h3{font-family:'Sora',sans-serif;font-weight:700;font-size:clamp(19px,2.2vw,23px);letter-spacing:-.01em;line-height:1.25;color:var(--ink);margin:32px 0 12px}
.article p{margin:0 0 20px}
.article a{color:var(--gold);font-weight:600;text-decoration:underline;text-decoration-color:rgba(176,141,45,.4);text-underline-offset:2px;transition:.25s}
.article a:hover{color:var(--gold-3,#8A6C1E);text-decoration-color:var(--gold)}
.article strong,.article b{color:var(--ink);font-weight:700}
.article ul,.article ol{margin:0 0 22px;padding-left:0;list-style:none;display:grid;gap:11px}
.article ul li,.article ol li{position:relative;padding-left:30px;line-height:1.65}
.article ul li::before{content:"";position:absolute;left:0;top:9px;width:18px;height:18px;border-radius:6px;background:var(--gold-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23B08D2D' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m5 12 5 5L20 7'/%3E%3C/svg%3E") center/11px no-repeat}
.article ol{counter-reset:li}
.article ol li{counter-increment:li}
.article ol li::before{content:counter(li);position:absolute;left:0;top:2px;width:22px;height:22px;border-radius:7px;background:var(--grad);color:#fff;font-size:12px;font-weight:700;font-family:'Sora',sans-serif;display:grid;place-items:center}
.article blockquote{margin:26px 0;padding:20px 26px;border-left:4px solid var(--gold);background:var(--gold-soft);border-radius:0 14px 14px 0;font-size:18px;font-style:italic;color:var(--ink);line-height:1.6}
.article blockquote p{margin:0}
.article img{border-radius:16px;margin:26px 0;box-shadow:var(--sh-card)}
.article code{background:var(--bg2);border:1px solid var(--line);border-radius:6px;padding:2px 7px;font-size:.9em;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--ink)}
.article pre{background:#171420;color:#EDE8DE;border-radius:14px;padding:20px 22px;overflow-x:auto;margin:24px 0;font-size:14px;line-height:1.6}
.article pre code{background:none;border:0;padding:0;color:inherit}
.article hr{border:0;height:1px;background:var(--line);margin:36px 0}

/* article footer: back + share */
.art-foot{width:min(760px,92%);margin:8px auto 0;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:18px;padding:26px 0;border-top:1px solid var(--line)}
.art-back{display:inline-flex;align-items:center;gap:9px;font-size:14.5px;font-weight:700;color:var(--gold);transition:gap .3s}
.art-back svg{width:18px;height:18px}
.art-back:hover{gap:13px}
.art-share{display:flex;align-items:center;gap:12px}
.art-share span{font-size:13px;font-weight:600;color:var(--soft)}
.art-share a{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:var(--panel);border:1px solid var(--line);color:var(--soft);transition:.3s}
.art-share a svg{width:17px;height:17px}
.art-share a:hover{background:var(--grad);border-color:transparent;color:#fff;transform:translateY(-3px)}

/* keep reading */
.keep-reading{padding:60px 0 96px}
@media(max-width:900px){.keep-reading{padding:44px 0 66px}}
.kr-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:30px}
.kr-head h2{font-family:'Sora',sans-serif;font-weight:800;font-size:clamp(22px,2.6vw,30px);letter-spacing:-.02em;color:var(--ink)}
.kr-head a{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--gold);white-space:nowrap}
.kr-head a svg{width:16px;height:16px;transition:transform .3s}
.kr-head a:hover svg{transform:translateX(4px)}
.kr-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
@media(max-width:640px){.kr-grid{grid-template-columns:1fr;gap:20px}}

/* 404 within blog */
.blog-404{padding:200px 0 96px;text-align:center}
.blog-404 .eyebrow{display:inline-flex;font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--gold);margin-bottom:14px}
.blog-404 h1{font-family:'Sora',sans-serif;font-weight:800;font-size:clamp(28px,4vw,44px);color:var(--ink);margin-bottom:14px}
.blog-404 p{color:var(--soft);font-size:17px;max-width:52ch;margin:0 auto 28px;line-height:1.6}