:root{
  --bg:#ffffff;
  --text:#0f172a;
  --muted:#475569;
  --border:#e2e8f0;
  --soft:#f8fafc;
  --shadow: 0 10px 30px rgba(2, 6, 23, .08);
  --radius: 16px;

  /* brand accents */
  --accent:#0ea5e9;
  --accent2:#34d399;

  /* footer colors */
  --footer-bg:#071826;
  --footer-border: rgba(255,255,255,.12);
  --footer-text: rgba(255,255,255,.92);
  --footer-muted: rgba(255,255,255,.70);

  /* fonts (Option A) */
  --font-body: "Source Sans 3", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial;
  --font-display: "Space Grotesk", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }

body{
  margin:0;
  font-family: var(--font-body);
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
}

a{ color:inherit; text-decoration:none; }
a:hover{ text-decoration:underline; text-underline-offset: 3px; }

.container{
  width:min(1100px, calc(100% - 40px));
  margin-inline:auto;
}

/* Accessibility */
.skip-link{
  position:absolute;
  left:-999px;
  top:10px;
  background:var(--text);
  color:white;
  padding:10px 12px;
  border-radius:10px;
}
.skip-link:focus{ left:10px; z-index:9999; }

/* Header */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(255,255,255,.92);
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--border);
}

.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 0;
  gap:14px;
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  letter-spacing:-.02em;
}
.brand-name{
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: -.02em;
}
.brand-mark{
  width:14px; height:14px;
  border-radius:99px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: 0 0 0 4px rgba(14,165,233,.16);
}

.site-nav{
  display:flex;
  align-items:center;
  gap:14px;
}

.nav-link{
  padding:8px 10px;
  border-radius:10px;
  color:var(--muted);
  font-weight:600;
  font-size:14px;
  letter-spacing:-.01em;
}
.nav-link:hover{
  background:var(--soft);
  text-decoration:none;
  color:var(--text);
}

.nav-cta{
  border:1px solid var(--border);
  background: linear-gradient(180deg, #ffffff 0%, #f3f7fb 100%);
  color:var(--text);
}

.nav-toggle{
  display:none;
  border:1px solid var(--border);
  background:white;
  border-radius:12px;
  padding:8px 10px;
  line-height:0;
  cursor:pointer;
}
.nav-toggle .icon{ display:none; }
.site-header[data-open="true"] .nav-toggle [data-icon="close"]{ display:inline; }
.site-header:not([data-open="true"]) .nav-toggle [data-icon="hamburger"]{ display:inline; }

.backdrop{
  position:fixed;
  inset:0;
  background:rgba(15,23,42,.35);
  z-index:40;
}

/* Hero */
.hero{
  position: relative;
  border-bottom:1px solid var(--border);
  background:
    radial-gradient(900px 520px at 15% 10%, rgba(14,165,233,.18), transparent 60%),
    radial-gradient(760px 500px at 85% 20%, rgba(52,211,153,.16), transparent 62%),
    linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.hero::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background: linear-gradient(90deg, rgba(14,165,233,.06), rgba(52,211,153,.04));
  mask-image: radial-gradient(80% 70% at 50% 0%, black 0%, transparent 70%);
}

.hero-inner{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap:22px;
  padding:46px 0;
  align-items:start;
  position: relative;
}

/* =========================
   Optical Verta — Media helpers
   ========================= */

.hero-media{
  width: 100%;
  height: auto;
  display: block;
  margin-top: 18px;
  border-radius: 22px;
  border: 1px solid var(--border);
}

.media{ margin: 18px 0; }

.media img{
  width: 100%;
  height: auto;
  display: block;
  border-radius: 18px;
  border: 1px solid var(--border);
}

.media figcaption{
  margin-top: 10px;
  font-size: 0.95rem;
  color: var(--muted);
  line-height: 1.4;
}

.media-split{
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 18px;
  align-items: start;
  margin-top: 18px;
}

/* Optional: placeholder styling for AdSense slots while developing */
.ad-slot{
  border: 1px dashed var(--border);
  border-radius: 16px;
  min-height: 140px;
  background: rgba(0,0,0,.02);
}

.kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.08em;
  text-transform:uppercase;
  color: rgba(11,18,32,.72);
  border:1px solid rgba(11,18,32,.12);
  background: rgba(255,255,255,.72);
  padding:6px 10px;
  border-radius:999px;
}

/* Headings: display font */
h1, h2, h3, .footer-brand{
  font-family: var(--font-display);
  letter-spacing: -0.02em;
}

h1{
  margin:12px 0 10px;
  font-size: clamp(30px, 3.2vw, 46px);
  letter-spacing:-.03em;
  line-height:1.05;
}

.lead{
  font-size: 18px;
  color:var(--muted);
  max-width: 62ch;
}

.hero-actions{
  display:flex;
  gap:12px;
  margin-top:18px;
  flex-wrap:wrap;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:10px 14px;
  border-radius:12px;
  background: linear-gradient(135deg, var(--accent), #0b6aa6);
  color:white;
  font-weight:700;
  border:1px solid rgba(2,6,23,.08);
  text-decoration:none;
  box-shadow: 0 8px 18px rgba(14,165,233,.16);
}
.btn:hover{ text-decoration:none; filter:brightness(.98); }
.btn-ghost{
  background: rgba(255,255,255,.86);
  color:var(--text);
  border:1px solid rgba(2,6,23,.10);
  box-shadow: 0 10px 24px rgba(2,6,23,.06);
}

.meta-row{ display:flex; gap:8px; margin-top:16px; flex-wrap:wrap; }
.badge{
  font-size:12px;
  color:rgba(11,18,32,.78);
  border:1px solid rgba(11,18,32,.12);
  background: rgba(255,255,255,.72);
  padding:6px 10px;
  border-radius:999px;
}

.hero-card{
  background:rgba(255,255,255,.86);
  border:1px solid rgba(2,6,23,.10);
  border-radius: var(--radius);
  padding:18px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}
.card-title{ margin:0 0 10px; font-size:16px; }
.card-list{ list-style:none; padding:0; margin:0; display:grid; gap:12px; }
.card-list a{ display:block; }
.card-list strong{ color:var(--text); }

.muted{ color:var(--muted); font-size:14px; }

/* Sections */
.section{ padding:44px 0; }
.section-alt{
  background:var(--soft);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
}
.section-head{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
}
.section-head h2{ margin:0; font-size:22px; letter-spacing:-.02em; }

.grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:14px;
  margin-top:18px;
}
.tile{
  border:1px solid var(--border);
  background:white;
  border-radius: var(--radius);
  padding:16px;
  box-shadow: 0 1px 0 rgba(2,6,23,.04);
}
.tile h3{ margin:0 0 6px; font-size:16px; }
.tile p{ margin:0; color:var(--muted); font-size:14px; }
.tile-foot{
  display:inline-block;
  margin-top:10px;
  font-weight:700;
  color: var(--accent);
}
.tile:hover{ text-decoration:none; border-color:#cbd5e1; }

.cards{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:14px;
  margin-top:18px;
}
.card{
  border:1px solid var(--border);
  background:white;
  border-radius: var(--radius);
  padding:16px;
  box-shadow: 0 1px 0 rgba(2,6,23,.04);
}
.card h3{ margin:0 0 8px; font-size:16px; }
.pill-row{ display:flex; gap:8px; margin-top:10px; flex-wrap:wrap; }
.pill{
  font-size:12px;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid rgba(14,165,233,.18);
  background: rgba(14,165,233,.06);
  color: rgba(11,18,32,.78);
}

.notice{
  border:1px solid var(--border);
  background:white;
  border-radius: var(--radius);
  padding:14px 16px;
}

/* Footer */
.site-footer{
  border-top:1px solid var(--border);
  background:
    radial-gradient(900px 420px at 15% 10%, rgba(14,165,233,.22), transparent 55%),
    radial-gradient(760px 420px at 85% 25%, rgba(52,211,153,.18), transparent 58%),
    linear-gradient(180deg, var(--footer-bg) 0%, #06121b 100%);
  color: var(--footer-text);
}

.footer-inner{ padding:34px 0; }

.footer-top{
  display:grid;
  grid-template-columns: 1fr 2fr;
  gap:16px;
  align-items:start;
}

.footer-brand{
  font-weight:800;
  letter-spacing:-.02em;
  font-size: 18px;
}

.footer-muted{
  color: var(--footer-muted);
  margin: 8px 0 0;
}

.footer-muted.small{
  font-size: 13px;
  margin-top: 6px;
}

.footer-nav{
  display:grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap:8px 14px;
}

.footer-nav a, .footer-legal a{
  color: rgba(255,255,255,.82);
  font-weight:600;
  font-size:14px;
}

.footer-nav a:hover, .footer-legal a:hover{
  color: #ffffff;
  text-decoration:none;
}

.footer-bottom{
  margin-top:18px;
  padding-top:18px;
  border-top:1px solid var(--footer-border);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
}

.footer-legal{ display:flex; gap:12px; flex-wrap:wrap; }

/* Responsive */
@media (max-width: 900px){
  .hero-inner{ grid-template-columns: 1fr; }
  .grid{ grid-template-columns: 1fr 1fr; }
  .cards{ grid-template-columns: 1fr; }
  .footer-top{ grid-template-columns: 1fr; }
  .footer-nav{ grid-template-columns: 1fr 1fr; }

  /* Media split collapses on mobile */
  .media-split{ grid-template-columns: 1fr; }
}

@media (max-width: 760px){
  .nav-toggle{ display:inline-flex; z-index:60; }

  .site-nav{
    position:fixed;
    top:68px;
    right:20px;
    left:20px;
    display:grid;
    gap:6px;
    padding:12px;
    background:rgba(255,255,255,.96);
    border:1px solid rgba(2,6,23,.10);
    border-radius: 18px;
    box-shadow: var(--shadow);
    transform: translateY(-8px);
    opacity:0;
    pointer-events:none;
    z-index:55;
    backdrop-filter: blur(10px);
  }

  .site-header[data-open="true"] .site-nav{
    transform: translateY(0);
    opacity:1;
    pointer-events:auto;
  }

  .nav-link{ padding:10px 12px; }
}
/* Media helpers */
.hero-media{
  width:100%;
  height:auto;
  border-radius: var(--radius);
  border:1px solid rgba(2,6,23,.10);
  box-shadow: var(--shadow);
  background: #ffffff;
}

.media{
  margin:18px 0 0;
}
.media img{
  width:100%;
  height:auto;
  display:block;
  border-radius: var(--radius);
  border:1px solid rgba(2,6,23,.10);
  box-shadow: 0 8px 18px rgba(2,6,23,.08);
  background:#ffffff;
}
.media figcaption{
  margin-top:10px;
  color: var(--muted);
  font-size: 13px;
}

/* AdSense placeholder box */
.ad-slot{
  border:1px dashed rgba(2,6,23,.18);
  background: rgba(248,250,252,.9);
  border-radius: var(--radius);
  min-height: 120px;
  display:flex;
  align-items:center;
  justify-content:center;
}
.ad-slot::before{
  content:"Ad slot";
  color: rgba(15,23,42,.55);
  font-weight:700;
  font-size: 13px;
}

/* Insights thumbnails */
.insights-grid{
  grid-template-columns: repeat(3, 1fr);
}

.insight-card{
  overflow:hidden; /* ensures rounded corners clip the image */
}

.insight-thumb{
  display:block;
  border-radius: 14px;
  overflow:hidden;
  border: 1px solid var(--border);
  background: #fff;
  margin-bottom: 12px;
}

.insight-thumb img{
  width:100%;
  height:auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display:block;
  transform: scale(1.001); /* avoids thin gaps in some browsers */
}

.insight-card:hover .insight-thumb{
  border-color:#cbd5e1;
  box-shadow: 0 10px 22px rgba(2, 6, 23, .08);
  text-decoration:none;
}

.insight-card:hover .insight-thumb img{
  transform: scale(1.02);
  transition: transform .18s ease;
}

.insight-thumb img{
  transition: transform .18s ease;
}

/* Responsive: keep your existing breakpoints consistent */
@media (max-width: 900px){
  .insights-grid{ grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px){
  .insights-grid{ grid-template-columns: 1fr; }
}