/* ProptechAI — Shared Blog Stylesheet (matches landing page design system) */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#060606;--s1:#0d0d0d;--s2:#121212;
  --gold:#D4AF37;--gold2:#E8B86D;--gold3:#F5D28A;--gold4:#956C00;
  --gdim:rgba(212,175,55,0.10);--gborder:rgba(212,175,55,0.22);--gborder2:rgba(212,175,55,0.40);
  --text:#EDE8E0;--t2:#9ca3af;--t3:#5C5448;
  --border:rgba(255,255,255,0.06);--border2:rgba(255,255,255,0.10);
  --font-main:'Plus Jakarta Sans',sans-serif;
}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:#030303;color:var(--text);font-family:var(--font-main);
  overflow-x:hidden;line-height:1.6;-webkit-font-smoothing:antialiased;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size:50px 50px;
}
::-webkit-scrollbar{width:4px}
::-webkit-scrollbar-track{background:#030303}
::-webkit-scrollbar-thumb{background:var(--gold);border-radius:2px}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
.grad{
  background:linear-gradient(135deg,#FDF7E3 0%,#D4AF37 50%,#956C00 100%);
  background-size:200% auto;
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
  animation:gradShimmer 5s ease-in-out infinite;
}
@keyframes gradShimmer{0%,100%{background-position:0% center}50%{background-position:100% center}}
.blob{position:absolute;border-radius:50%;filter:blur(100px);pointer-events:none;z-index:0}
.wrap{max-width:1280px;margin:0 auto;padding:0 5%}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:100px;font-weight:700;transition:all .3s;font-family:var(--font-main);position:relative;overflow:hidden}
.btn-g{background:linear-gradient(135deg,#F0D385 0%,#956C00 100%);color:#030303}
.btn-g:hover{transform:scale(1.02);box-shadow:0 10px 25px rgba(240,211,133,0.3)}
.btn-wa{background:rgba(34,197,94,0.1);border:1px solid rgba(34,197,94,0.4);color:#4ade80}
.btn-wa:hover{background:rgba(34,197,94,0.2)}
.btn-o{border:1px solid rgba(212,175,55,0.4);color:var(--gold);background:rgba(212,175,55,0.05)}
.btn-o:hover{background:rgba(212,175,55,0.15)}
.btn::before{content:'';position:absolute;inset:0;background:linear-gradient(120deg,transparent 30%,rgba(255,255,255,0.25) 50%,transparent 70%);transform:translateX(-100%);transition:transform .6s ease;pointer-events:none}
.btn:hover::before{transform:translateX(100%)}
.btn:active{transform:scale(0.96)}

/* ---------- Navbar ---------- */
#nav{position:fixed;top:0;left:0;right:0;z-index:400;padding:0 5%;height:64px;display:flex;align-items:center;justify-content:center;background:rgba(6,6,6,0.85);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border-bottom:1px solid var(--border);box-shadow:0 4px 30px rgba(0,0,0,0.5)}
.nav-container{width:100%;max-width:1280px;display:flex;align-items:center;justify-content:space-between}
.nav-brand{display:flex;align-items:center;gap:4px;font-weight:800;font-size:1.2rem;letter-spacing:-0.01em;color:#fff}
.t-gold{color:var(--gold)}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{font-size:0.85rem;font-weight:600;color:var(--t2);transition:color .2s}
.nav-links a:hover,.nav-links a.active{color:var(--gold)}
.nav-cta{display:flex;align-items:center;gap:12px}
.nav-cta .btn{padding:10px 18px;font-size:0.8rem}
.nav-cta .btn-wa svg{width:14px;height:14px}
.nav-hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px}
.nav-hamburger span{display:block;width:22px;height:2px;background:#fff;border-radius:2px}
.mobile-menu{display:none;position:fixed;inset:64px 0 0 0;z-index:399;background:rgba(10,10,10,0.97);backdrop-filter:blur(30px);flex-direction:column;align-items:center;justify-content:center;gap:28px;padding:40px}
.mobile-menu a{font-size:1.35rem;font-weight:700;color:#fff}
.mobile-menu.open{display:flex}
@media(max-width:900px){.nav-links{display:none}.nav-cta .btn{display:none}.nav-hamburger{display:flex}}

/* ---------- WhatsApp Sticky ---------- */
.wa-sticky{position:fixed;bottom:24px;right:24px;z-index:500;width:58px;height:58px;border-radius:50%;background:#25D366;color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 28px rgba(37,211,102,0.55);animation:wa-ring 2.5s infinite;transition:transform .3s}
.wa-sticky:hover{transform:scale(1.12) rotate(8deg)}
.wa-sticky svg{width:30px;height:30px}
@keyframes wa-ring{0%,100%{box-shadow:0 6px 28px rgba(37,211,102,0.55),0 0 0 0 rgba(37,211,102,0.5)}60%{box-shadow:0 6px 28px rgba(37,211,102,0.55),0 0 0 16px rgba(37,211,102,0)}}

/* ---------- Scroll progress ---------- */
.scroll-progress{position:fixed;top:0;left:0;right:0;height:3px;background:rgba(255,255,255,0.03);z-index:999;pointer-events:none}
.scroll-progress-bar{height:100%;width:0%;background:linear-gradient(90deg,#D4AF37 0%,#F0D385 50%,#D4AF37 100%);box-shadow:0 0 12px rgba(212,175,55,0.6)}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .9s cubic-bezier(.16,1,.3,1),transform .9s cubic-bezier(.16,1,.3,1)}
.reveal.in{opacity:1;transform:translateY(0)}

/* ---------- Article hero ---------- */
.art-hero{position:relative;overflow:hidden;padding:130px 5% 40px;border-bottom:1px solid var(--border)}
.art-hero-blob{position:absolute;top:-10%;right:-8%;width:48vw;height:48vw;max-width:620px;max-height:620px;background:radial-gradient(circle,rgba(201,147,58,0.13) 0%,transparent 65%);z-index:0}
.art-hero-inner{max-width:820px;margin:0 auto;position:relative;z-index:2}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:0.78rem;color:var(--t3);font-weight:600;margin-bottom:22px}
.crumbs a{color:var(--t2)}
.crumbs a:hover{color:var(--gold2)}
.crumbs span{color:var(--t3)}
.art-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:0.72rem;text-transform:uppercase;letter-spacing:0.15em;color:var(--gold);font-weight:800;margin-bottom:16px;padding:6px 16px;border:1px solid var(--gborder);border-radius:100px;background:rgba(212,175,55,0.06)}
.art-h1{font-size:clamp(2rem,4.4vw,3.1rem);font-weight:800;line-height:1.18;letter-spacing:-0.02em;color:#fff;margin-bottom:22px}
.art-meta{display:flex;flex-wrap:wrap;align-items:center;gap:18px;color:var(--t2);font-size:0.85rem;font-weight:600}
.art-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--t3)}
.art-author{display:flex;align-items:center;gap:10px}
.art-avatar{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,#F0D385,#956C00);color:#030303;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:0.9rem}

/* ---------- Article body ---------- */
.art-body{max-width:820px;margin:0 auto;padding:50px 5% 30px;position:relative;z-index:2}
.art-body h2{font-size:clamp(1.5rem,3vw,2rem);font-weight:800;color:#fff;letter-spacing:-0.01em;line-height:1.25;margin:46px 0 16px;scroll-margin-top:90px}
.art-body h3{font-size:1.2rem;font-weight:700;color:#fff;margin:34px 0 12px}
.art-body p{color:#cbc9c2;font-size:1.04rem;line-height:1.85;margin-bottom:18px}
.art-body a{color:var(--gold2);font-weight:600;border-bottom:1px solid rgba(232,184,109,0.3);transition:.2s}
.art-body a:hover{color:var(--gold3);border-bottom-color:var(--gold3)}
.art-body ul,.art-body ol{margin:0 0 22px 0;padding-left:0;list-style:none;display:flex;flex-direction:column;gap:11px}
.art-body ul li{position:relative;padding-left:28px;color:#cbc9c2;font-size:1.02rem;line-height:1.7}
.art-body ul li::before{content:'';position:absolute;left:6px;top:11px;width:7px;height:7px;border-radius:50%;background:var(--gold);box-shadow:0 0 8px rgba(212,175,55,0.5)}
.art-body ol{counter-reset:li}
.art-body ol li{position:relative;padding-left:40px;color:#cbc9c2;font-size:1.02rem;line-height:1.7;counter-increment:li}
.art-body ol li::before{content:counter(li);position:absolute;left:0;top:1px;width:26px;height:26px;border-radius:8px;background:rgba(212,175,55,0.1);border:1px solid var(--gborder);color:var(--gold);font-size:0.8rem;font-weight:800;display:flex;align-items:center;justify-content:center}
.art-body strong{color:#fff;font-weight:700}
.art-lead{font-size:1.18rem !important;line-height:1.8 !important;color:#e6e3db !important}

/* Direct-answer callout */
.answer{position:relative;margin:8px 0 26px;padding:22px 26px 22px 30px;border-radius:14px;background:linear-gradient(145deg,rgba(212,175,55,0.09),rgba(8,8,8,0.6));border:1px solid var(--gborder);border-left:3px solid var(--gold)}
.answer .answer-tag{display:inline-flex;align-items:center;gap:7px;font-size:0.68rem;letter-spacing:0.14em;text-transform:uppercase;color:var(--gold);font-weight:800;margin-bottom:8px}
.answer p{margin:0;color:#efe9dc;font-size:1.05rem;line-height:1.7;font-weight:500}

/* Tables */
.art-table-wrap{overflow-x:auto;margin:6px 0 28px;border-radius:14px;border:1px solid var(--border)}
.art-table{width:100%;border-collapse:collapse;min-width:520px;font-size:0.94rem}
.art-table th{background:rgba(212,175,55,0.07);color:var(--gold3);text-align:left;padding:14px 18px;font-weight:700;border-bottom:1px solid var(--gborder);font-size:0.86rem;letter-spacing:0.02em}
.art-table td{padding:14px 18px;color:#c7c5be;border-bottom:1px solid var(--border);vertical-align:top;line-height:1.55}
.art-table tr:last-child td{border-bottom:none}
.art-table tr:hover td{background:rgba(255,255,255,0.015)}

/* Callout / note */
.note{margin:6px 0 26px;padding:18px 22px;border-radius:12px;background:rgba(255,255,255,0.02);border:1px solid var(--border);color:var(--t2);font-size:0.95rem;line-height:1.7}

/* Author box */
.author-box{max-width:820px;margin:28px auto 0;padding:26px 28px;border-radius:18px;background:linear-gradient(145deg,rgba(20,20,20,0.6),rgba(8,8,8,0.85));border:1px solid var(--border)}
.author-box .ab-top{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.author-box .ab-av{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,#F0D385,#956C00);color:#030303;display:flex;align-items:center;justify-content:center;font-weight:800}
.author-box .ab-name{font-weight:800;color:#fff}
.author-box .ab-role{font-size:0.82rem;color:var(--gold2);font-weight:600}
.author-box p{font-size:0.95rem;color:var(--t2);line-height:1.75;margin:0}

/* ---------- Section frame ---------- */
.sec{padding:70px 5%;position:relative;overflow:hidden;border-top:1px solid var(--border)}
.sec-head{text-align:center;max-width:720px;margin:0 auto 44px;position:relative;z-index:2}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:0.75rem;text-transform:uppercase;letter-spacing:0.15em;color:var(--gold);font-weight:800;margin-bottom:14px;justify-content:center}
.eyebrow-dot{width:6px;height:6px;border-radius:50%;background:var(--gold);animation:blink 2s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:0.3}}
.sec-h{font-size:clamp(1.9rem,4vw,2.8rem);font-weight:800;line-height:1.15;letter-spacing:-0.02em;color:#fff;margin-bottom:14px}
.sec-head p{color:var(--t2);font-size:1rem;line-height:1.7}

/* ---------- FAQ ---------- */
.faq-list{max-width:820px;margin:0 auto;position:relative;z-index:2;display:flex;flex-direction:column;gap:12px}
.faq-item{border-radius:14px;border:1px solid var(--border);background:linear-gradient(145deg,rgba(20,20,20,0.5) 0%,rgba(8,8,8,0.8) 100%);overflow:hidden;transition:border-color .3s}
.faq-item[open]{border-color:var(--gborder2)}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:0.95rem;font-weight:700;color:#fff}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .faq-plus{flex-shrink:0;width:26px;height:26px;border-radius:50%;border:1px solid var(--gborder);color:var(--gold);display:flex;align-items:center;justify-content:center;font-size:1.1rem;font-weight:700;transition:transform .3s}
.faq-item[open] summary .faq-plus{transform:rotate(45deg);background:var(--gold);color:#030303}
.faq-item .faq-a{padding:0 24px 20px;color:var(--t2);font-size:0.92rem;line-height:1.7}

/* ---------- Blog cards ---------- */
.blog-grid{max-width:1180px;margin:0 auto;position:relative;z-index:2;display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.blog-card{display:flex;flex-direction:column;border-radius:18px;border:1px solid var(--border);background:linear-gradient(150deg,rgba(20,20,20,0.55),rgba(8,8,8,0.9));overflow:hidden;transition:transform .35s cubic-bezier(.16,1,.3,1),border-color .35s;height:100%}
.blog-card:hover{transform:translateY(-6px);border-color:var(--gborder2)}
.blog-card-top{height:130px;position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden;background:linear-gradient(135deg,rgba(212,175,55,0.14),rgba(6,6,6,0.2))}
.blog-card-top::after{content:'';position:absolute;inset:0;background:linear-gradient(to bottom,transparent,rgba(3,3,3,0.55))}
.blog-card-ico{position:relative;z-index:2;font-size:2rem;opacity:0.9}
.blog-card-body{padding:22px 24px 26px;display:flex;flex-direction:column;flex:1}
.blog-tag{font-size:0.68rem;text-transform:uppercase;letter-spacing:0.12em;color:var(--gold);font-weight:800;margin-bottom:10px}
.blog-card h3{font-size:1.08rem;font-weight:700;color:#fff;line-height:1.35;margin-bottom:10px}
.blog-card p{font-size:0.9rem;color:var(--t2);line-height:1.65;margin-bottom:18px;flex:1}
.blog-more{font-size:0.85rem;font-weight:700;color:var(--gold2);display:inline-flex;align-items:center;gap:6px}
.blog-card:hover .blog-more{gap:10px}
@media(max-width:960px){.blog-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.blog-grid{grid-template-columns:1fr}}

/* ---------- Related guides ---------- */
.related-grid{max-width:820px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:16px;position:relative;z-index:2}
.related-card{padding:20px 22px;border-radius:14px;border:1px solid var(--border);background:rgba(255,255,255,0.02);transition:.3s}
.related-card:hover{border-color:var(--gborder2);background:rgba(212,175,55,0.04)}
.related-card .rc-tag{font-size:0.66rem;text-transform:uppercase;letter-spacing:0.12em;color:var(--gold);font-weight:800;margin-bottom:8px}
.related-card .rc-title{font-size:0.98rem;font-weight:700;color:#fff;line-height:1.4}
@media(max-width:620px){.related-grid{grid-template-columns:1fr}}

/* ---------- Inline CTA band ---------- */
.cta-band{position:relative;overflow:hidden;margin:0;padding:64px 5%;border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:#030303}
.cta-band-blob{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:80vw;height:60vw;max-width:900px;max-height:600px;background:radial-gradient(ellipse,rgba(201,147,58,0.12) 0%,transparent 65%);z-index:0}
.cta-band-inner{max-width:820px;margin:0 auto;text-align:center;position:relative;z-index:2}
.cta-band-inner h2{font-size:clamp(1.7rem,3.5vw,2.4rem);font-weight:800;color:#fff;line-height:1.25;margin-bottom:16px;letter-spacing:-0.02em}
.cta-band-inner p{color:var(--t2);font-size:1.02rem;line-height:1.7;margin-bottom:28px;max-width:600px;margin-left:auto;margin-right:auto}
.cta-band-btns{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}

/* ---------- Footer ---------- */
footer{background:#030303;border-top:1px solid var(--border);padding:80px 5% 34px;overflow:hidden}
.footer-wrap{max-width:1280px;margin:auto}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:56px;margin-bottom:56px}
.footer-brand{display:flex;align-items:center;margin-bottom:22px}
.footer-brand h3{color:#fff;font-size:1.4rem;font-weight:800;margin:0}
.footer-brand h3 span{color:var(--gold)}
.footer-desc{color:var(--t2);font-size:0.94rem;line-height:1.85;max-width:360px;margin-bottom:22px}
.footer-powered{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:100px;border:1px solid rgba(255,255,255,.08);background:rgba(255,255,255,.03);color:var(--t3);font-size:.78rem}
.footer-powered a{color:var(--gold2);font-weight:700}
footer h4{font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--t3);margin-bottom:20px;font-weight:800}
footer ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:13px}
footer ul li a{color:var(--t2);font-size:.9rem;transition:.25s ease}
footer ul li a:hover{color:var(--gold2);padding-left:4px}
.footer-contact{display:flex;flex-direction:column;gap:11px;margin-bottom:24px}
.footer-contact a,.footer-contact span{color:var(--t2);font-size:.9rem;line-height:1.6}
.footer-contact a:hover{color:var(--gold2)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:24px;display:flex;justify-content:center;text-align:center}
.footer-bottom p{margin:0;color:var(--t3);font-size:.76rem;letter-spacing:.08em;text-transform:uppercase}
@media(max-width:1100px){.footer-grid{grid-template-columns:1fr 1fr;gap:44px}.footer-desc{max-width:100%}}
@media(max-width:768px){footer{padding:64px 5% 30px}.footer-grid{grid-template-columns:1fr;gap:38px;margin-bottom:44px}.footer-bottom{justify-content:flex-start;text-align:left}.art-hero{padding:112px 5% 34px}.art-body{padding:40px 6% 24px}}
@media(prefers-reduced-motion:reduce){.reveal,.grad,.blob{animation:none!important;transition:none!important;opacity:1!important;transform:none!important}}