/* ===== Marketing Letter design tokens (extracted from marketingletter.com) ===== */
:root {
  --teal: #04766C;        /* header / hero / teal sections */
  --teal-deep: #02766C;   /* torn-border svg fill */
  --lime: #C2F72C;        /* buttons + <mark> highlights */
  --cream: #F5F3EA;       /* alternating sections */
  --ink: #222222;         /* body text */
  --font: 'Inter', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--ink); background: #fff; font-size: 17px; line-height: 1.6; }
img { max-width: 100%; height: auto; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.container.narrow { max-width: 820px; }

/* ===== Buttons — exact match: lime, 2px black border, sq corners, inset shadow ===== */
.ml-btn {
  display: inline-block;
  background: var(--lime);
  color: #000;
  font-family: var(--font);
  font-size: 17px;
  font-weight: 500;
  text-decoration: none;
  border: 2px solid #000;
  border-radius: 0;
  box-shadow: rgba(0, 0, 0, 0.25) 0px -2px 0px 0px inset;
  padding: 10px 20px;
  cursor: pointer;
  transition: background .15s ease;
}
.ml-btn:hover { background: #d3ff45; }
.ml-btn-lg { font-size: 18px; padding: 12px 45px; }
.ml-btn-block { display: block; width: 100%; text-align: center; }

/* ===== Header ===== */
.site-header { background: var(--teal); position: sticky; top: 0; z-index: 50; }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding-top: 14px; padding-bottom: 14px; }
.site-logo img { display: block; }
.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav a.nav-cta { color: #000; font-weight: 500; text-decoration: none; }

/* ===== Hero ===== */
.hero { background: var(--teal); color: #fff; text-align: center; padding: 72px 0 88px; }
.hero-kicker {
  display: inline-block; color: var(--lime); font-weight: 700; font-size: 15px;
  letter-spacing: .08em; text-transform: uppercase; margin-bottom: 24px;
}
.hero h1 {
  font-size: clamp(38px, 5.2vw, 65px); font-weight: 900; line-height: 1.12;
  max-width: 1000px; margin: 0 auto 24px;
}
h1 mark, h2 mark { background: transparent; color: var(--lime); }
.hero-sub { max-width: 780px; margin: 0 auto 36px; font-size: 19px; color: rgba(255,255,255,.94); }
.hero-sub strong { color: var(--lime); }
.hero-ctas { display: flex; gap: 24px; justify-content: center; align-items: center; flex-wrap: wrap; }
.hero-secondary { color: #fff; font-weight: 700; text-decoration: underline; font-size: 17px; }
.hero-note { margin-top: 22px; font-size: 15px; color: rgba(255,255,255,.75); }

/* ===== Sections ===== */
.section { padding: 80px 0; }
.section.cream { background: var(--cream); }
.section.white { background: #fff; }
.section.teal { background: var(--teal); color: #fff; }
.torn-teal {
  background-image: url('/assets/border-marketing-letter.svg');
  background-repeat: repeat-x;
  background-position: top center;
  background-size: 1440px 6px;
  padding-top: 86px;
}
.section-title { font-size: clamp(30px, 3.6vw, 44px); font-weight: 800; line-height: 1.2; text-align: center; margin-bottom: 16px; }
.section-title.on-teal { color: #fff; text-align: left; }
.section-sub { text-align: center; max-width: 760px; margin: 0 auto 48px; font-size: 18px; }
.on-teal-sub { font-size: 18px; color: rgba(255,255,255,.92); margin-bottom: 24px; }

/* ===== Live stats ===== */
.live-badge {
  display: inline-flex; align-items: center; gap: 7px; background: var(--teal); color: #fff;
  font-size: 13px; font-weight: 700; letter-spacing: .1em; padding: 4px 12px; border-radius: 4px;
  vertical-align: middle; margin-left: 8px;
}
.live-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--lime); animation: pulse 1.6s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .25; } }
.stat-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.stat-card { border: 2px solid var(--teal); border-radius: 8px; padding: 40px 32px 28px; position: relative; }
.chip {
  position: absolute; top: -22px; left: 24px; background: var(--teal); color: #fff;
  font-size: 18px; padding: 8px 16px; border-radius: 4px;
}
.stat-row { padding: 10px 0; border-bottom: 1px solid rgba(4,118,108,.15); }
.stat-row:last-child { border-bottom: none; }
.stat-big { display: block; font-size: 40px; font-weight: 700; line-height: 1.2; color: var(--ink); }
.stat-label { font-size: 16px; color: rgba(34,34,34,.75); }

/* ===== Audience ===== */
.aud-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-bottom: 64px; }
.aud-card { border: 2px solid var(--teal); border-radius: 8px; padding: 36px 32px; text-align: center; }
.aud-num { display: block; font-size: 48px; font-weight: 800; color: var(--teal); line-height: 1.1; margin-bottom: 8px; }
.aud-label { font-size: 17px; }
.logo-wall h3 { text-align: center; font-size: 22px; font-weight: 700; margin-bottom: 36px; }
.logos { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 48px; }
.logos img { height: 34px; width: auto; opacity: .9; }

/* ===== Placement ===== */
.placement { display: grid; grid-template-columns: 1.1fr .9fr; gap: 64px; align-items: center; }
.check-list { list-style: none; margin: 28px 0 36px; }
.check-list li { padding-left: 34px; position: relative; margin-bottom: 18px; font-size: 17px; color: rgba(255,255,255,.94); }
.check-list li::before { content: '✓'; position: absolute; left: 0; top: 0; color: var(--lime); font-weight: 900; font-size: 20px; }
.check-list strong { color: #fff; }
.example-label { font-weight: 700; margin-bottom: 12px; color: rgba(255,255,255,.9); }
.example-ad {
  background: #fdfdfb; color: var(--ink); border: 3px solid #f7e733; border-radius: 2px;
  padding: 24px 26px; font-size: 15px; line-height: 1.65;
  box-shadow: 0 8px 30px rgba(0,0,0,.25);
}
.example-ad p { margin-bottom: 12px; }
.example-ad p:last-child { margin-bottom: 0; }
.example-head { text-align: center; font-weight: 700; }
.example-ad a { color: #1a0dab; text-decoration: underline; cursor: pointer; }
.example-cta { text-align: center; font-weight: 700; }

/* ===== Proof ===== */
.big-quote { max-width: 860px; margin: 0 auto 64px; text-align: center; }
.big-quote p { font-size: clamp(24px, 3vw, 34px); font-weight: 700; line-height: 1.35; }
.big-quote mark { background: var(--lime); color: var(--ink); padding: 0 6px; }
.big-quote cite { display: block; margin-top: 16px; font-style: normal; font-size: 17px; color: rgba(34,34,34,.7); }
.tweets-title { text-align: center; font-size: 26px; font-weight: 800; margin-bottom: 36px; }
.tweet-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.tweet-card { background: #000; color: #eee; border-radius: 12px; padding: 24px; font-size: 15px; line-height: 1.55; }
.tweet-head { display: flex; gap: 8px; align-items: baseline; margin-bottom: 12px; }
.tweet-name { font-weight: 700; color: #fff; }
.tweet-handle { color: #888; font-size: 14px; }
.tweet-reply { margin-top: 14px; padding-top: 12px; border-top: 1px solid #333; }

/* ===== Steps ===== */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; margin-top: 48px; }
.step { border: 2px solid var(--teal); border-radius: 8px; padding: 28px 24px; }
.step-num {
  display: inline-flex; width: 40px; height: 40px; align-items: center; justify-content: center;
  background: var(--lime); border: 2px solid #000; font-weight: 800; font-size: 18px; margin-bottom: 16px;
  box-shadow: rgba(0, 0, 0, 0.25) 0px -2px 0px 0px inset;
}
.step h3 { font-size: 19px; font-weight: 700; margin-bottom: 8px; }
.step p { font-size: 15px; color: rgba(34,34,34,.8); }

/* ===== Book CTA ===== */
.book-cta { text-align: center; }
.book-cta h2 { font-size: clamp(30px, 4vw, 48px); font-weight: 900; margin-bottom: 12px; }
.book-cta p { font-size: 19px; color: rgba(255,255,255,.92); margin-bottom: 28px; }

/* ===== FAQ ===== */
details { border: 2px solid var(--teal); border-radius: 8px; margin-bottom: 14px; overflow: hidden; }
summary { cursor: pointer; font-weight: 700; font-size: 18px; padding: 18px 22px; list-style: none; position: relative; }
summary::-webkit-details-marker { display: none; }
summary::after { content: '+'; position: absolute; right: 22px; top: 50%; transform: translateY(-50%); font-size: 24px; font-weight: 400; color: var(--teal); }
details[open] summary::after { content: '–'; }
details p { padding: 0 22px 18px; color: rgba(34,34,34,.85); }

/* ===== Footer ===== */
.site-footer { background: #000; color: #fff; }
.torn-teal-footer {
  background-image: url('/assets/border-white-marketing-letter.svg');
  background-repeat: repeat-x;
  background-position: top center;
  background-size: 1440px 6px;
  padding-top: 66px;
}
.footer-inner { display: flex; gap: 80px; flex-wrap: wrap; padding-bottom: 40px; }
.footer-tag { margin-top: 16px; color: #ccc; font-size: 15px; }
.footer-legal { border-top: 1px solid #222; padding-top: 24px; padding-bottom: 32px; }
.footer-legal p { color: #888; font-size: 14px; }

/* ===== Sticky mobile CTA ===== */
.sticky-cta { display: none; }

/* ===== Responsive ===== */
@media (max-width: 960px) {
  .stat-cards, .aud-grid, .tweet-grid { grid-template-columns: 1fr; gap: 36px; }
  .steps { grid-template-columns: 1fr 1fr; }
  .placement { grid-template-columns: 1fr; gap: 44px; }
}
@media (max-width: 640px) {
  .section { padding: 56px 0; }
  .hero { padding: 48px 0 64px; }
  .hero-sub { font-size: 17px; }
  .steps { grid-template-columns: 1fr; }
  .logos { gap: 28px; }
  .logos img { height: 26px; }
  .header-inner { gap: 10px; }
  .site-logo img { width: 150px; height: auto; }
  .site-nav a.nav-cta { font-size: 14px; padding: 8px 12px; white-space: nowrap; }
  body { padding-bottom: 68px; }
  .sticky-cta {
    display: block; position: fixed; bottom: 0; left: 0; right: 0; z-index: 60;
    padding: 10px 14px; background: rgba(255,255,255,.96); border-top: 2px solid #000;
  }
}