/* Shared styles for /advertise/* and /case-studies/* pages.
   Same design system as /advertise: ink #0D0B2B, page #FAFAFC, accent #6C5CFB,
   the three brand rules, Poppins 500 headings, JetBrains Mono for figures. */
*, *::before, *::after { box-sizing: border-box; }
.navbar-logo-left-2 { background: #fff !important; }

.adv {
  --ink: #0D0B2B;
  --page: #FAFAFC;
  --accent: #6C5CFB;
  --red: #FA3535;
  --green: #2ECC58;
  --blue: #2033F0;
  --line: rgba(13,11,43,0.09);
  --hairline: rgba(13,11,43,0.07);
  --muted: rgba(13,11,43,0.58);
  --soft: #F7F7F9;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  background: var(--page);
  min-height: 100vh;
  font-family: Inter, -apple-system, sans-serif;
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
}

/* Breadcrumb */
.adv-breadcrumb { max-width: 1200px; margin: 0 auto; padding: 96px 32px 0; font-size: 14px; color: rgba(13,11,43,0.45); }
.adv-breadcrumb a { color: inherit; text-decoration: none; }
.adv-breadcrumb a:hover { color: var(--accent); }

/* Brand block: the newsletter's own logo and name open the page */
.adv-brand { display: flex; align-items: center; gap: 13px; margin: 0 0 26px; }
.adv-brand img { width: 46px; height: 46px; border-radius: 12px; flex: none; object-fit: cover; box-shadow: 0 0 0 1px rgba(13,11,43,0.06); }
.adv-brand-name {
  font-family: 'Plus Jakarta Sans', Inter, sans-serif; font-weight: 600; font-size: 22px;
  letter-spacing: -0.5px; line-height: 1.1; color: var(--ink); margin: 0;
}
.adv-brand-kind {
  font-family: var(--mono); font-size: 11px; font-weight: 500; letter-spacing: 0.13em;
  text-transform: uppercase; line-height: 1; color: var(--brand, rgba(13,11,43,0.42)); margin: 5px 0 0;
}

/* ── Hero ── */
.adv-hero {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 32px 88px;
}
.adv-hero > * { position: relative; z-index: 1; }
.adv-hero-split { display: grid; grid-template-columns: minmax(0,1.15fr) minmax(0,0.85fr); gap: 72px; align-items: start; }
.adv-hero-pill {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 13px; font-weight: 500; letter-spacing: 0.01em;
  color: rgba(13,11,43,0.7); background: #fff;
  border: 1px solid var(--line); box-shadow: 0 1px 2px rgba(13,11,43,0.05);
  padding: 7px 16px 7px 12px; border-radius: 999px; margin: 0 0 24px;
  text-transform: none;
}
.adv-hero-pill::before {
  content: ''; width: 7px; height: 7px; border-radius: 999px; flex: none;
  background: var(--green); box-shadow: 0 0 0 3px rgba(46,204,88,0.16);
}
.adv-hero h1 {
  font-size: 44px; font-weight: 500; letter-spacing: -0.03em; line-height: 1.08;
  margin: 0 0 20px; color: var(--ink); font-family: Poppins, Inter, sans-serif;
  text-wrap: balance;
}
.adv-hero-sub { font-size: 18px; line-height: 1.6; color: rgba(13,11,43,0.6); margin: 0 0 30px; max-width: 560px; }

/* stat strip: one container, hairline dividers, a brand rule on each cell */
.adv-hero-proof {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 1px; margin: 0 0 30px; padding: 0;
  background: var(--line); border: 1px solid var(--line);
  border-radius: 14px; overflow: hidden;
}
.adv-hero-proof > div { background: var(--page); padding: 20px 18px; border-top: 3px solid var(--accent); }
.adv-hero-proof > div:nth-child(1) { border-top-color: var(--brand, var(--red)); }
.adv-hero-proof > div:nth-child(2) { border-top-color: var(--green); }
.adv-hero-proof > div:nth-child(3) { border-top-color: var(--blue); }
.adv-hero-proof .hp-val {
  font-family: var(--mono); font-size: 26px; font-weight: 500;
  letter-spacing: -0.03em; color: var(--ink); margin: 0; font-variant-numeric: tabular-nums;
}
.adv-hero-proof .hp-lbl { font-size: 12.5px; color: rgba(13,11,43,0.55); margin: 6px 0 0; }

.adv-hero-cta {
  display: inline-block; padding: 13px 24px; background: var(--ink); color: #fff;
  border-radius: 10px; text-decoration: none; font-size: 15px; font-weight: 500;
  box-shadow: 0 1px 2px rgba(13,11,43,0.3); transition: background 0.15s;
}
.adv-hero-cta:hover { background: #1C1946; }
.adv-hero-cta.secondary {
  background: #fff; color: var(--ink); border: 1px solid var(--line);
  box-shadow: 0 1px 2px rgba(13,11,43,0.05); margin-left: 10px;
}
.adv-hero-cta.secondary:hover { background: var(--soft); }

/* Form card: the one elevated surface */
.adv-form-card {
  background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 26px;
  box-shadow: 0 1px 2px rgba(13,11,43,0.05), 0 20px 44px -24px rgba(13,11,43,0.22);
}
.adv-form-card h3 { font-family: Poppins, Inter, sans-serif; font-size: 19px; font-weight: 600; letter-spacing: -0.02em; margin: 0 0 20px; color: var(--ink); }
.adv-form-card label { font-size: 12.5px; font-weight: 500; display: block; margin: 0 0 7px; color: rgba(13,11,43,0.62); }
.adv-form-card input, .adv-form-card textarea {
  width: 100%; padding: 11px 13px; border: 1px solid rgba(13,11,43,0.14); border-radius: 10px;
  font-family: Inter, sans-serif; font-size: 15px; background: #FCFCFE; margin: 0 0 14px;
  outline: none; transition: border-color 0.15s, box-shadow 0.15s;
}
.adv-form-card input:focus, .adv-form-card textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(108,92,251,0.14); }
.adv-form-card textarea { min-height: 76px; resize: vertical; }
.adv-form-card button {
  width: 100%; padding: 12px 16px; background: var(--ink); color: #fff; border: none;
  border-radius: 10px; font-size: 15px; font-weight: 500; cursor: pointer;
  box-shadow: 0 1px 2px rgba(13,11,43,0.3); transition: background 0.15s;
}
.adv-form-card button:hover { background: #1C1946; }
.adv-form-success { display: none; text-align: center; padding: 20px 0; }
.adv-form-success p { font-size: 14px; color: #1f9c42; margin: 0; font-weight: 500; }

/* ── Section commons ── */
.adv-section { max-width: 1200px; margin: 0 auto; padding: 96px 32px 0; }
.adv-section-label {
  font-family: Inter, -apple-system, sans-serif;
  font-size: 12px; font-weight: 700; letter-spacing: 0.11em;
  text-transform: uppercase; color: #5A49E8; margin: 0 0 16px;
}
.adv-section-heading {
  font-size: 40px; font-weight: 500; letter-spacing: -0.03em; line-height: 1.08;
  margin: 0 0 14px; color: var(--ink); font-family: Poppins, Inter, sans-serif;
  text-wrap: balance;
}
.adv-section-sub { font-size: 17.5px; color: var(--muted); margin: 0 0 44px; max-width: 560px; line-height: 1.55; }

/* Prose */
.adv-prose { max-width: 780px; margin: 0 auto; padding: 72px 32px; }
.adv-prose h2 { font-size: 32px; font-weight: 500; letter-spacing: -0.03em; margin: 52px 0 16px; color: var(--ink); font-family: Poppins, Inter, sans-serif; }
.adv-prose h3 { font-family: Poppins, Inter, sans-serif; font-size: 20px; font-weight: 600; letter-spacing: -0.02em; margin: 34px 0 12px; color: var(--ink); }
.adv-prose p { font-size: 16.5px; line-height: 1.7; color: rgba(13,11,43,0.7); margin: 0 0 18px; }
.adv-prose ul { margin: 0 0 18px; padding-left: 22px; }
.adv-prose li { font-size: 16.5px; line-height: 1.7; color: rgba(13,11,43,0.7); margin: 0 0 8px; }
.adv-prose a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; border: none; }
.adv-prose blockquote {
  border: 1px solid var(--line); border-left: 4px solid var(--accent);
  padding: 18px 22px; margin: 26px 0; color: var(--muted); font-style: normal;
  font-size: 16.5px; background: var(--soft); border-radius: 0 12px 12px 0;
}

/* ── Stat grid ── */
.adv-stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line);
  border-radius: 16px; overflow: hidden;
}
.adv-stat-card { border: none; border-radius: 0; padding: 26px 22px; text-align: left; background: #fff; }
.adv-stat-val {
  font-family: var(--mono); font-variant-numeric: tabular-nums;
  font-size: 28px; font-weight: 500; letter-spacing: -0.035em;
  margin: 0 0 6px; color: var(--ink);
}
.adv-stat-label { font-size: 13.5px; color: var(--muted); margin: 0; }

/* ── Formats: one object with hairline dividers ── */
.adv-formats { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }
.adv-format-card {
  border: 1px solid var(--line); border-radius: 16px; padding: 26px; background: #fff; position: relative;
  box-shadow: 0 1px 2px rgba(13,11,43,0.04);
  transition: transform .18s ease, box-shadow .18s ease;
}
.adv-format-card:hover { transform: translateY(-2px); box-shadow: 0 12px 28px -18px rgba(13,11,43,0.28); }
.adv-format-card.featured { background: #fff; }
.adv-format-badge {
  position: absolute; top: 24px; right: 22px;
  background: rgba(108,92,251,0.09); color: var(--accent);
  font-family: var(--mono); font-size: 10px; font-weight: 500;
  padding: 4px 9px; border-radius: 999px; letter-spacing: 0.1em; text-transform: uppercase;
}
.adv-format-name { font-size: 19px; font-weight: 600; letter-spacing: -0.02em; margin: 0 0 8px; color: var(--ink); }
.adv-format-price { font-size: 15px; font-weight: 500; color: var(--accent); margin: 0 0 4px; font-family: Inter, sans-serif; letter-spacing: 0; }
.adv-format-price a { color: var(--accent) !important; text-decoration: none; }
.adv-format-price a:hover { text-decoration: underline; }
.adv-format-unit { font-family: var(--mono); font-size: 11.5px; color: rgba(13,11,43,0.45); margin: 0 0 14px; }
 .adv-format-desc { font-size: 15px; color: var(--muted); line-height: 1.55; margin: 0; }
.adv-formats-cta { margin: 22px 0 0; }
.adv-formats-cta a { font-size: 15px; font-weight: 500; color: var(--accent); text-decoration: none; }
.adv-formats-cta a:hover { text-decoration: underline; }

/* ── Case study hero ── */
.cs-hero { max-width: 1200px; margin: 96px auto 0; padding: 0 32px; }
.cs-hero-card {
  background: #fff; border-radius: 20px; padding: 48px 48px 44px;
  position: relative; overflow: hidden; border: 1px solid var(--line);
  box-shadow: 0 1px 2px rgba(13,11,43,0.04);
}
.cs-hero-card::before {
  content: ''; position: absolute; top: -80px; right: -80px; width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(108,92,251,0.10) 0%, rgba(108,92,251,0) 70%);
  pointer-events: none;
}
.cs-hero-top { display: flex; align-items: center; gap: 20px; margin: 0 0 30px; position: relative; z-index: 1; }
.cs-hero-logo {
  height: 40px; width: auto; max-width: 180px; object-fit: contain; mix-blend-mode: multiply;
  background: transparent !important; border-radius: 0 !important; border: none !important; box-shadow: none !important;
}
.cs-hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 10.5px; font-weight: 500;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--accent); background: rgba(108,92,251,0.1);
  padding: 6px 12px; border-radius: 999px; box-shadow: none;
}
.cs-hero-badge::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--green); }
.cs-hero-title {
  font-size: 48px; font-weight: 500; letter-spacing: -0.032em; line-height: 1.06;
  margin: 0 0 20px; color: var(--ink); font-family: Poppins, Inter, sans-serif;
  max-width: 880px; position: relative; z-index: 1; text-wrap: balance;
}
.cs-hero-sub { font-size: 18px; line-height: 1.6; color: var(--muted); margin: 0 0 36px; max-width: 760px; position: relative; z-index: 1; }
.cs-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line);
  border-radius: 16px; overflow: hidden; position: relative; z-index: 1;
}
.cs-stat { background: var(--page); border-radius: 0; padding: 22px 20px; border: none; box-shadow: none; }
.cs-stat:hover { border-color: transparent; }
.cs-stat-val {
  font-family: var(--mono); font-size: 28px; font-weight: 500; letter-spacing: -0.035em;
  margin: 0; color: var(--ink); font-variant-numeric: tabular-nums; line-height: 1.1;
}
.cs-stat-lbl { font-size: 12.5px; color: rgba(13,11,43,0.55); margin: 8px 0 0; font-weight: 400; letter-spacing: 0; text-transform: none; }
@media (max-width: 900px) {
  .cs-hero-card { padding: 32px 24px 30px; border-radius: 18px; }
  .cs-hero-title { font-size: 34px; }
  .cs-stats { grid-template-columns: repeat(2, 1fr); }
  .cs-hero-top { flex-wrap: wrap; gap: 14px; }
}
@media (max-width: 540px) {
  .cs-hero-title { font-size: 28px; }
  .cs-hero-sub { font-size: 16px; }
  .cs-stat-val { font-size: 24px; }
}

/* Force transparent bg + no radius on ALL case/logo imgs */
.wwu-case-card img, .wwu-case-logo, .adv-cs-logo, .adv-cs-card img, .wwu-logos-row img {
  background: transparent !important;
  background-color: transparent !important;
  border-radius: 0 !important;
  border: none !important;
  box-shadow: none !important;
  padding: 0 !important;
  mix-blend-mode: multiply;
}

/* ── Case study cards ── */
.adv-cs-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.adv-cs-card {
  border: 1px solid var(--line); border-radius: 16px; padding: 24px; background: #fff;
  box-shadow: 0 1px 2px rgba(13,11,43,0.04);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
  text-decoration: none; color: inherit; display: block;
}
.adv-cs-card:hover { transform: translateY(-2px); box-shadow: 0 12px 28px -18px rgba(13,11,43,0.28); }
.adv-cs-logo { height: 22px; width: auto; opacity: 0.8; margin: 0 0 22px; filter: grayscale(1); }
.adv-cs-headline {
  font-family: Poppins, Inter, sans-serif; font-size: 19px; font-weight: 600;
  letter-spacing: -0.02em; margin: 0 0 8px; color: var(--ink);
}
.adv-cs-metrics { display: flex; gap: 28px; margin: 18px 0 0; padding-top: 16px; border-top: 1px solid var(--hairline); }
.adv-cs-metric-val { font-family: var(--mono); font-variant-numeric: tabular-nums; font-size: 17px; font-weight: 500; letter-spacing: -0.03em; color: var(--ink); margin: 0; }
.adv-cs-metric-lbl { font-family: var(--mono); font-size: 10px; font-weight: 500; letter-spacing: 0.11em; text-transform: uppercase; color: rgba(13,11,43,0.42); margin: 4px 0 0; }

/* ── Logos ── */
.adv-logos { border-top: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline); padding: 44px 32px 48px; margin-top: 96px; text-align: center; background: #fff; }
.adv-logos-label {
  font-family: var(--mono); font-size: 11px; font-weight: 500;
  color: rgba(13,11,43,0.5); text-transform: uppercase; letter-spacing: 0.14em; margin: 0 0 30px;
}
.adv-logos-row { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 30px 52px; max-width: 900px; margin: 0 auto; }
.adv-logos-row img { height: 26px; width: auto; opacity: 0.5; filter: grayscale(1); transition: opacity 0.2s; }
.adv-logos-row img:hover { opacity: 0.75; }

/* ── FAQ ── */
.adv-faq { max-width: 820px; margin: 0 auto; padding: 72px 32px; }
.adv-faq-item { border-bottom: 1px solid var(--hairline); padding: 22px 0; }
.adv-faq-q { font-family: Poppins, Inter, sans-serif; font-size: 18px; font-weight: 600; letter-spacing: -0.02em; margin: 0 0 10px; color: var(--ink); }
.adv-faq-a { font-size: 15.5px; line-height: 1.65; color: var(--muted); margin: 0; }

/* ── Bottom CTA: full-bleed dark band ── */
.adv-bottom-cta {
  max-width: none; margin: 96px 0 0; padding: 96px 32px 100px; text-align: center;
  background: var(--ink); color: var(--page); position: relative; overflow: hidden;
}
.adv-bottom-cta::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(700px 340px at 20% 0%, rgba(108,92,251,0.28), transparent 70%),
    radial-gradient(620px 320px at 80% 100%, rgba(32,51,240,0.24), transparent 70%);
}
.adv-bottom-cta > * { position: relative; z-index: 1; }
.adv-bottom-cta h2 {
  font-size: 40px; font-weight: 500; letter-spacing: -0.03em; line-height: 1.08;
  margin: 0 auto 16px; color: #fff; font-family: Poppins, Inter, sans-serif;
  max-width: 720px; text-wrap: balance;
}
.adv-bottom-cta p { font-size: 17.5px; color: rgba(251,251,250,0.66); margin: 0 auto 30px; line-height: 1.55; max-width: 540px; }
.adv-bottom-cta a {
  display: inline-block; padding: 13px 26px; background: var(--page); color: var(--ink);
  border-radius: 10px; text-decoration: none; font-size: 15px; font-weight: 600;
  box-shadow: none; transition: transform 0.15s;
}
.adv-bottom-cta a:hover { transform: translateY(-1px); }

/* ── Comparison: the Dupple column is a dark panel ── */
.adv-compare-table { width: 100%; border-collapse: separate; border-spacing: 0; border: 1px solid var(--line); border-radius: 18px; overflow: hidden; background: #fff; }
.adv-compare-table th, .adv-compare-table td { padding: 18px 22px; text-align: left; font-size: 15px; border-bottom: 1px solid rgba(13,11,43,0.06); }
.adv-compare-table th { background: #fff; font-weight: 500; color: rgba(13,11,43,0.62); font-size: 15px; text-transform: none; letter-spacing: 0; border-bottom: 1px solid var(--hairline); }
.adv-compare-table th:first-child, .adv-compare-table td:first-child {
  font-family: var(--mono); font-size: 11px; font-weight: 500;
  letter-spacing: 0.13em; text-transform: uppercase; color: rgba(13,11,43,0.42);
}
.adv-compare-table th.highlight { background: var(--ink); color: #fff; font-weight: 600; }
.adv-compare-table td.highlight { background: var(--ink); color: rgba(251,251,250,0.92); font-weight: 500; border-bottom: 1px solid rgba(251,251,250,0.07); }
.adv-compare-table td { color: var(--muted); }
.adv-compare-table tr:last-child td { border-bottom: none; }

/* Footer (matches main site) */
.footer-link { color: #444; text-decoration: none; font-family: Inter, sans-serif; font-size: 14px; font-weight: 500; display: block; margin: 0 0 12px 0; transition: color 0.2s ease; }
.footer-link:hover { color: #000; }
.footer-logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; transition: opacity 0.2s ease; }
.footer-logo:hover { opacity: 0.7; }
.footer-heading { font-family: Inter, sans-serif; font-size: 13px; font-weight: 600; color: #999; text-transform: uppercase; letter-spacing: 0.5px; margin: 0 0 16px 0; }
.footer-container { max-width: 900px; margin: 0 auto; }
.footer-grid { display: grid; grid-template-columns: 1.25fr 1fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 50px; }

/* Mobile */
@media (max-width: 980px) {
  .adv-hero-split { grid-template-columns: 1fr; gap: 48px; }
  .adv-hero { padding: 24px 20px 64px; }
  .adv-hero h1 { font-size: 38px; }
  .adv-breadcrumb { padding: 80px 20px 0; }
  .adv-section { padding: 72px 20px 0; }
  .adv-stats-grid { grid-template-columns: repeat(2, 1fr); }
  .adv-formats { grid-template-columns: 1fr; }
  .adv-cs-grid { grid-template-columns: 1fr; }
  .adv-section-heading, .adv-bottom-cta h2 { font-size: 32px; }
}
@media (max-width: 640px) {
  .adv-hero h1 { font-size: 32px; }
  .adv-stats-grid { grid-template-columns: 1fr 1fr; }
  .adv-compare-table { display: block; overflow-x: auto; }
  .adv-compare-table th, .adv-compare-table td { padding: 12px 14px; font-size: 13.5px; }
}
@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px 20px; }
  .footer-col:first-child { grid-column: 1 / -1; margin-bottom: 10px; }
}