/* Postsite — landing + legal pages
   Brand: accent #F61C5C, navy #33506E, gray #797B81, hairline #DEE4EA, IBM Plex Sans */
:root {
  --accent: #F61C5C;
  --accent-dark: #d4124c;
  --navy: #33506E;
  --ink: #1f2b3a;
  --gray: #797B81;
  --line: #DEE4EA;
  --bg: #ffffff;
  --bg-soft: #f7f9fb;
  --radius: 10px;
  --maxw: 880px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "IBM Plex Sans", system-ui, -apple-system, Segoe UI, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* Header */
.site-header {
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(180%) blur(8px); z-index: 10;
}
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.logo {
  font-weight: 700; font-size: 20px; color: var(--navy);
  text-decoration: none; letter-spacing: -0.01em;
}
.logo .dot { color: var(--accent); }
.nav a { color: var(--gray); text-decoration: none; font-size: 15px; margin-left: 20px; }
.nav a:hover { color: var(--navy); }

/* Hero */
.hero { padding: 80px 0 56px; text-align: center; }
.hero h1 {
  font-size: clamp(32px, 6vw, 52px); line-height: 1.1; margin: 0 0 18px;
  color: var(--ink); letter-spacing: -0.02em; font-weight: 700;
}
.hero .sub {
  font-size: clamp(17px, 2.4vw, 21px); color: var(--navy);
  max-width: 620px; margin: 0 auto 14px;
}
.hero .quip {
  font-size: 16px; color: var(--gray); margin: 0 auto 36px; font-weight: 500;
}

/* Email form */
.signup { max-width: 480px; margin: 0 auto; }
.signup form { display: flex; gap: 10px; flex-wrap: wrap; }
.signup input[type="email"] {
  flex: 1 1 240px; min-width: 0; padding: 14px 16px; font-size: 16px;
  border: 1px solid var(--line); border-radius: var(--radius);
  font-family: inherit; color: var(--ink); background: #fff;
}
.signup input[type="email"]:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(246,28,92,0.12);
}
.btn {
  appearance: none; border: 0; cursor: pointer;
  background: var(--accent); color: #fff; font-weight: 700; font-size: 16px;
  padding: 14px 22px; border-radius: var(--radius); font-family: inherit;
  white-space: nowrap; transition: background .15s ease;
}
.btn:hover { background: var(--accent-dark); }
.signup .disclaimer { font-size: 13px; color: var(--gray); margin-top: 12px; }
.signup .btn:disabled { opacity: .65; cursor: default; }
.form-success {
  font-size: 18px; font-weight: 600; color: var(--navy);
  background: var(--bg-soft); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 18px 20px; margin: 0;
}
.form-error { font-size: 14px; color: var(--accent-dark); margin: 10px 0 0; }

/* Sections */
section { padding: 56px 0; }
section.alt { background: var(--bg-soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
h2 { font-size: clamp(24px, 4vw, 32px); color: var(--navy); margin: 0 0 32px; text-align: center; letter-spacing: -0.01em; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.step { text-align: center; }
.step .num {
  width: 40px; height: 40px; line-height: 40px; border-radius: 50%;
  background: var(--accent); color: #fff; font-weight: 700; margin: 0 auto 14px;
  font-size: 18px;
}
.step h3 { margin: 0 0 6px; font-size: 18px; color: var(--ink); }
.step p { margin: 0; color: var(--gray); font-size: 15px; }

/* Features */
.features { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; max-width: 720px; margin: 0 auto; }
.feature { display: flex; gap: 12px; align-items: flex-start; }
.feature .check { color: var(--accent); font-weight: 700; flex: 0 0 auto; font-size: 18px; line-height: 1.5; }
.feature p { margin: 0; font-size: 16px; color: var(--ink); }

/* Final CTA */
.cta { text-align: center; }
.cta h2 { margin-bottom: 8px; }
.cta p { color: var(--gray); margin: 0 auto 28px; max-width: 520px; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 32px 0; color: var(--gray); font-size: 14px; }
.site-footer .wrap { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.site-footer a { color: var(--gray); text-decoration: none; margin-left: 18px; }
.site-footer a:hover { color: var(--navy); }
.site-footer .links { display: flex; flex-wrap: wrap; }
.site-footer .links a:first-child { margin-left: 0; }

/* Legal / content pages */
.doc { padding: 56px 0 72px; }
.doc h1 { font-size: clamp(28px, 5vw, 38px); color: var(--ink); margin: 0 0 6px; letter-spacing: -0.02em; }
.doc .updated { color: var(--gray); font-size: 14px; margin: 0 0 32px; }
.doc h2 { text-align: left; font-size: 22px; margin: 32px 0 10px; }
.doc p, .doc li { color: var(--ink); font-size: 16px; }
.doc ul, .doc ol { padding-left: 22px; }
.doc a { color: var(--accent); }
.back { display: inline-block; margin-bottom: 24px; color: var(--gray); text-decoration: none; font-size: 15px; }
.back:hover { color: var(--navy); }

@media (max-width: 680px) {
  .steps { grid-template-columns: 1fr; }
  .features { grid-template-columns: 1fr; }
  .hero { padding: 56px 0 40px; }
}