/* Adverza Marketing — Design System */
:root{
  --primary:#0F172A;
  --secondary:#1E293B;
  --accent:#14B8A6;
  --accent-light:#5eead4;
  --bg:#F8FAFC;
  --text:#0F172A;
  --muted:#64748B;
  --border:#E2E8F0;
  --white:#FFFFFF;
  --radius:16px;
  --radius-sm:10px;
  --shadow-sm:0 1px 2px rgba(15,23,42,0.06),0 1px 3px rgba(15,23,42,0.08);
  --shadow-md:0 4px 12px rgba(15,23,42,0.08),0 8px 24px rgba(15,23,42,0.06);
  --shadow-lg:0 12px 32px rgba(15,23,42,0.12),0 4px 12px rgba(15,23,42,0.08);
  --maxw:1240px;
  --font-serif: Georgia, 'Iowan Old Style', 'Palatino Linotype', serif;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Inter, Roboto, Helvetica, Arial, sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  color:var(--text);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--font-serif);line-height:1.15;margin:0 0 .5em}
p{margin:0 0 1em}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.eyebrow{
  text-transform:uppercase;letter-spacing:.14em;font-size:.72rem;font-weight:700;
  color:var(--accent);display:inline-flex;align-items:center;gap:8px;
}
.eyebrow::before{content:"";width:20px;height:2px;background:var(--accent);display:inline-block}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(248,250,252,0.82);
  backdrop-filter:blur(14px) saturate(160%);
  -webkit-backdrop-filter:blur(14px) saturate(160%);
  border-bottom:1px solid var(--border);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;max-width:var(--maxw);margin:0 auto}
.logo{font-family:var(--font-serif);font-weight:700;font-size:1.35rem;letter-spacing:-.01em;color:var(--primary);display:flex;align-items:center;gap:10px}
.logo-mark{width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--primary),var(--accent));display:inline-flex;align-items:center;justify-content:center;color:#fff;font-family:var(--font-sans);font-weight:800;font-size:.85rem}
.main-nav{display:flex;gap:28px;align-items:center}
.main-nav a{font-size:.92rem;font-weight:600;color:var(--secondary);position:relative;padding:4px 0}
.main-nav a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--accent);transition:width .2s ease}
.main-nav a:hover::after{width:100%}
.nav-cta{background:var(--primary);color:#fff !important;padding:10px 18px;border-radius:999px;font-weight:700 !important}
.nav-cta::after{display:none}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--primary);margin:5px 0;border-radius:2px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-weight:700;font-size:.92rem;
  border:1px solid transparent;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-accent{background:var(--accent);color:#062b26}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(20,184,166,.35)}
.btn-outline{background:transparent;border-color:var(--border);color:var(--primary)}
.btn-outline:hover{border-color:var(--primary)}

/* ---------- Editorial Hero ---------- */
.hero{padding:56px 0 64px;position:relative;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:-20% -10% auto -10%;height:480px;
  background:radial-gradient(60% 60% at 30% 20%, rgba(20,184,166,.14), transparent 70%);
  pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:stretch;position:relative}
.hero-feature{
  background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg);
  border:1px solid var(--border);
}
.hero-feature-img{aspect-ratio:16/10;overflow:hidden}
.hero-feature-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.hero-feature:hover .hero-feature-img img{transform:scale(1.04)}
.hero-feature-body{padding:32px}
.hero-feature h1{font-size:clamp(1.6rem,2.6vw,2.35rem);margin:10px 0 14px}
.hero-meta{display:flex;flex-wrap:wrap;gap:16px;align-items:center;margin-top:18px;font-size:.85rem;color:var(--muted)}
.author-chip{display:flex;align-items:center;gap:10px}
.author-chip img{width:34px;height:34px;border-radius:50%;object-fit:cover}
.hero-side{display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--white);border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:20px;display:flex;gap:14px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease;
}
.side-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.side-card img{width:84px;height:84px;border-radius:10px;object-fit:cover;flex-shrink:0}
.side-card h4{font-size:.98rem;margin:0 0 6px}
.side-card .cat-tag{font-size:.68rem;color:var(--accent);font-weight:700;text-transform:uppercase;letter-spacing:.06em}

/* ---------- Section shells ---------- */
.section{padding:64px 0}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.section-head h2{font-size:clamp(1.5rem,2.4vw,2.1rem);margin:8px 0 0}
.section-sub{color:var(--muted);max-width:560px;margin-top:8px}
.view-all{font-weight:700;font-size:.9rem;color:var(--primary);white-space:nowrap;display:inline-flex;align-items:center;gap:6px}

/* ---------- Bento grid (trending topics) ---------- */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}
.bento-card{
  grid-column:span 2;background:var(--white);border:1px solid var(--border);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  position:relative;overflow:hidden;
}
.bento-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(20,184,166,.4)}
.bento-card:nth-child(1){grid-column:span 3}
.bento-card:nth-child(2){grid-column:span 3}
.bento-icon{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(20,184,166,.16),rgba(15,23,42,.06));color:var(--accent);margin-bottom:16px;
}
.bento-card h3{font-size:1.1rem;margin:0 0 8px}
.bento-card p{color:var(--muted);font-size:.9rem;margin:0}

/* ---------- Article / Insight cards ---------- */
.grid-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.article-card{
  background:var(--white);border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);
  box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease;display:flex;flex-direction:column;
}
.article-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.article-card .thumb{aspect-ratio:16/10;overflow:hidden}
.article-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.article-card:hover .thumb img{transform:scale(1.06)}
.article-card .content{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.article-card .cat-tag{font-size:.68rem;color:var(--accent);font-weight:700;text-transform:uppercase;letter-spacing:.06em}
.article-card h3{font-size:1.12rem;margin:0}
.article-card .excerpt{color:var(--muted);font-size:.9rem;flex:1}
.article-card .meta{display:flex;justify-content:space-between;font-size:.78rem;color:var(--muted);border-top:1px solid var(--border);padding-top:12px;margin-top:auto}

/* ---------- Contributors ---------- */
.contrib-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.contrib-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:26px;text-align:center;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease}
.contrib-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.contrib-card img{width:86px;height:86px;border-radius:50%;object-fit:cover;margin:0 auto 14px;border:3px solid var(--bg);box-shadow:0 0 0 3px rgba(20,184,166,.25)}
.contrib-card h4{margin:0 0 4px;font-size:1.02rem}
.contrib-role{color:var(--accent);font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em;margin-bottom:10px}
.contrib-bio{color:var(--muted);font-size:.86rem}

/* ---------- Research / reports ---------- */
.research-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.research-card{
  background:var(--primary);color:#fff;border-radius:var(--radius);padding:28px;position:relative;overflow:hidden;
  box-shadow:var(--shadow-md);
}
.research-card::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(20,184,166,.28),transparent 60%);pointer-events:none}
.research-card .stat{font-family:var(--font-serif);font-size:2.4rem;font-weight:700;margin-bottom:6px}
.research-card p{color:rgba(255,255,255,.78);font-size:.88rem;margin:0}
.research-card .src{margin-top:14px;font-size:.72rem;color:rgba(255,255,255,.55)}

/* ---------- Glass panel (newsletter) ---------- */
.glass-panel{
  border-radius:24px;padding:56px;position:relative;overflow:hidden;
  background:linear-gradient(135deg,rgba(15,23,42,.94),rgba(30,41,59,.9));
  color:#fff;
}
.glass-panel::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(60% 100% at 80% 0%, rgba(20,184,166,.35), transparent 60%);
}
.glass-inner{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.glass-panel h2{color:#fff;font-size:clamp(1.5rem,2.6vw,2.1rem)}
.glass-panel p{color:rgba(255,255,255,.75)}
.newsletter-form{
  display:flex;gap:10px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
  padding:8px;border-radius:999px;backdrop-filter:blur(10px);
}
.newsletter-form input{
  flex:1;border:none;background:transparent;padding:10px 14px;color:#fff;font-size:.92rem;outline:none;
}
.newsletter-form input::placeholder{color:rgba(255,255,255,.5)}
.newsletter-note{font-size:.76rem;color:rgba(255,255,255,.55);margin-top:12px}

/* ---------- Trust section ---------- */
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.trust-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:24px}
.trust-card .bento-icon{margin-bottom:14px}
.trust-card h4{font-size:1rem;margin:0 0 8px}
.trust-card p{color:var(--muted);font-size:.86rem;margin:0}

/* ---------- Breadcrumbs ---------- */
.breadcrumbs{font-size:.82rem;color:var(--muted);margin-bottom:18px}
.breadcrumbs a{color:var(--muted)}
.breadcrumbs a:hover{color:var(--accent)}
.breadcrumbs .sep{margin:0 6px;opacity:.6}

/* ---------- Article page ---------- */
.article-hero{padding:40px 0 0}
.article-header{max-width:820px;margin:0 auto;text-align:left}
.article-header h1{font-size:clamp(1.9rem,3.6vw,2.7rem)}
.article-cover{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg);margin:28px 0 40px;max-width:960px;margin-left:auto;margin-right:auto}
.article-cover img{width:100%;aspect-ratio:16/8;object-fit:cover}
.article-body{max-width:760px;margin:0 auto}
.article-body h2{font-size:1.5rem;margin-top:2em}
.article-body p,.article-body li{font-size:1.06rem;color:#1e293b}
.article-body ul{padding-left:1.2em}
.article-meta-row{display:flex;flex-wrap:wrap;gap:18px;align-items:center;color:var(--muted);font-size:.88rem;margin:18px 0 0}
.author-box{display:flex;gap:16px;align-items:center;max-width:760px;margin:48px auto 0;padding:24px;background:var(--white);border:1px solid var(--border);border-radius:var(--radius)}
.author-box img{width:64px;height:64px;border-radius:50%;object-fit:cover}
.related-strip{max-width:960px;margin:56px auto 0}

/* ---------- Generic page hero ---------- */
.page-hero{padding:52px 0 36px;text-align:left}
.page-hero h1{font-size:clamp(1.9rem,3.4vw,2.6rem)}
.page-hero .lede{max-width:680px;color:var(--muted);font-size:1.08rem}

/* ---------- Category / listing ---------- */
.cat-pill-row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:36px}
.cat-pill{padding:8px 16px;border-radius:999px;border:1px solid var(--border);font-size:.85rem;font-weight:600;background:#fff}
.cat-pill.active{background:var(--primary);color:#fff;border-color:var(--primary)}

/* ---------- Simple content page ---------- */
.prose{max-width:760px;margin:0 auto 60px}
.prose h2{font-size:1.35rem;margin-top:1.8em}
.prose p,.prose li{color:#1e293b;font-size:1.02rem}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.contact-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow-sm)}
.contact-row{display:flex;gap:14px;margin-bottom:18px}
.contact-row .ic{width:38px;height:38px;border-radius:10px;background:rgba(20,184,166,.12);color:var(--accent);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.contact-img{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-md)}
.contact-img img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/5}

/* ---------- Footer ---------- */
.site-footer{background:var(--primary);color:rgba(255,255,255,.7);padding:64px 0 28px;margin-top:60px}
.footer-top{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:40px}
.footer-brand .logo{color:#fff}
.footer-brand p{color:rgba(255,255,255,.55);font-size:.88rem;max-width:280px;margin-top:14px}
.footer-col h5{color:#fff;font-size:.82rem;text-transform:uppercase;letter-spacing:.08em;margin-bottom:16px}
.footer-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:.88rem;color:rgba(255,255,255,.65)}
.footer-col a:hover{color:var(--accent-light)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:48px;padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:.8rem;color:rgba(255,255,255,.5)}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-visible{opacity:1;transform:translateY(0)}

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr}
  .grid-cards{grid-template-columns:repeat(2,1fr)}
  .contrib-grid{grid-template-columns:repeat(2,1fr)}
  .research-strip{grid-template-columns:1fr}
  .trust-grid{grid-template-columns:repeat(2,1fr)}
  .glass-inner{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr}
  .bento{grid-template-columns:repeat(2,1fr)}
  .bento-card{grid-column:span 1 !important}
}
@media (max-width:680px){
  .main-nav{position:fixed;inset:64px 0 0 0;background:var(--bg);flex-direction:column;padding:32px 24px;
    transform:translateX(100%);transition:transform .25s ease;overflow-y:auto;}
  .main-nav.open{transform:translateX(0)}
  .nav-toggle{display:block}
  .grid-cards{grid-template-columns:1fr}
  .contrib-grid{grid-template-columns:1fr}
  .trust-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .hero-feature-body{padding:22px}
}