/* ===========================================================
   4 Steps to Close — Brand v3 stylesheet
   Emerald-on-cream palette, Inter typography, sentence case.
   Per BrandTruth_v3.docx and WebsiteBrief_4stepstoclose.docx
   =========================================================== */

:root {
  --emerald: #0F8A5F;
  --emerald-dark: #0A6F4C;
  --emerald-darker: #085A3D;
  --cream: #F5F0E6;
  --cream-deep: #EDE6D4;
  --cream-border: #E5DECD;
  --white: #FFFFFF;
  --highlight: #F8F5EE;
  --ink: #2C2C2A;
  --ink-muted: #6B6B6B;
  --ink-tertiary: #888780;
  --near-black: #1A2825;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  --font-serif: Georgia, 'Times New Roman', serif;

  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 12px;

  --max-w: 1200px;
}

/* Reset & base */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; display: block; }
a { color: var(--emerald); text-decoration: none; }
a:hover { color: var(--emerald-dark); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--emerald);
  outline-offset: 2px;
}

/* Typography scale */
.eyebrow {
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--emerald);
  margin: 0 0 16px 0;
}
h1, h2, h3 { font-weight: 500; color: var(--ink); margin: 0; line-height: 1.2; }
.h-hero    { font-size: 48px; line-height: 1.15; }
.h-section { font-size: 36px; line-height: 1.2; }
h2         { font-size: 28px; line-height: 1.25; }
h3         { font-size: 20px; line-height: 1.3; }
.body-lg   { font-size: 18px; line-height: 1.6; }
.caption   { font-size: 13px; color: var(--ink-muted); line-height: 1.5; }

/* Layout helpers */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; }
.section--cream { background: var(--cream); }
.section--white { background: var(--white); }
.section--dark  { background: var(--near-black); color: var(--cream); }
.center { text-align: center; }
.muted { color: var(--ink-muted); }
.max-600 { max-width: 600px; margin-left: auto; margin-right: auto; }
.max-700 { max-width: 700px; margin-left: auto; margin-right: auto; }
.max-1100 { max-width: 1100px; margin-left: auto; margin-right: auto; }

/* Top nav */
.topnav {
  background: var(--cream);
  border-bottom: 1px solid var(--cream-border);
}
.topnav__inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 24px;
  max-width: var(--max-w); margin: 0 auto;
}
.topnav__links { display: flex; gap: 28px; align-items: center; font-size: 15px; font-weight: 500; }
.topnav__links a { color: var(--ink); }
.topnav__links a:hover { color: var(--emerald); }
.topnav__links .btn { padding: 9px 18px; }

/* Logo lockup */
.logo {
  display: flex; align-items: center; gap: 12px;
  text-decoration: none; color: var(--emerald);
}
.logo__block {
  width: 40px; height: 40px;
  background: var(--emerald);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-serif);
  color: var(--cream);
  font-size: 24px;
  font-weight: 500;
  flex-shrink: 0;
}
.logo__text { display: flex; flex-direction: column; line-height: 1; }
.logo__wordmark { font-weight: 500; font-size: 18px; color: var(--emerald); }
.logo__eyebrow {
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1.4px;
  color: var(--ink-tertiary);
  margin-top: 4px;
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background 150ms ease, color 150ms ease, border-color 150ms ease;
  line-height: 1;
}
.btn--primary { background: var(--emerald); color: var(--cream); }
.btn--primary:hover { background: var(--emerald-dark); color: var(--cream); }
.btn--secondary { background: var(--white); color: var(--emerald); border-color: var(--emerald); }
.btn--secondary:hover { background: var(--emerald); color: var(--cream); }
.btn--cream { background: var(--cream); color: var(--emerald); }
.btn--cream:hover { background: var(--white); color: var(--emerald-dark); }
.btn--lg { font-size: 15px; padding: 14px 28px; }

.cta-row { display: flex; gap: 12px; flex-wrap: wrap; }

/* HERO ====================================================== */
.hero {
  background: var(--cream);
  padding: 120px 24px 96px;
  text-align: center;
}
.hero h1 { margin: 16px auto 24px; max-width: 880px; }
.hero .subhead { color: var(--ink); margin: 0 auto 40px; max-width: 640px; }
.hero .cta-row { justify-content: center; }

/* Four steps grid =========================================== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.step-card {
  background: var(--white);
  border: 1px solid var(--cream-border);
  border-radius: var(--radius-lg);
  padding: 28px;
}
.step-card .eyebrow { color: var(--ink-tertiary); margin-bottom: 12px; }
.step-card .step-name {
  font-family: var(--font-sans);
  font-size: 22px;
  font-weight: 500;
  color: var(--emerald);
  margin: 0 0 12px 0;
}
.step-card p { margin: 0; font-size: 15px; color: var(--ink); line-height: 1.55; }

/* Two-column section ======================================== */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

/* Three audiences =========================================== */
.audiences-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.audience-card {
  background: var(--white);
  border: 1px solid var(--cream-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
}
.audience-card h3 { margin-bottom: 12px; }
.audience-card p { color: var(--ink-muted); flex: 1; }
.audience-card .btn { align-self: flex-start; margin-top: 24px; }

/* Sign-up section =========================================== */
.signup-card {
  background: var(--white);
  border: 1px solid var(--cream-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  max-width: 560px;
  margin: 32px auto 0;
  box-shadow: 0 2px 12px rgba(15, 138, 95, 0.05);
}
.signup-card h2 { text-align: center; margin-bottom: 12px; }
.signup-card .subhead { text-align: center; color: var(--ink-muted); margin-bottom: 28px; }
.signup-form { display: flex; flex-direction: column; gap: 16px; }
.field-label { display: block; font-size: 14px; font-weight: 500; color: var(--ink); margin-bottom: 6px; }
.field-input,
.field-select {
  width: 100%;
  padding: 12px 14px;
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--cream-border);
  border-radius: var(--radius-sm);
  transition: border-color 150ms ease;
}
.field-input:focus, .field-select:focus { border-color: var(--emerald); outline: none; }
.field-radio-group { display: flex; gap: 16px; flex-wrap: wrap; }
.field-radio {
  display: flex; align-items: center; gap: 8px;
  font-size: 14px; color: var(--ink); cursor: pointer;
}
.field-radio input[type="radio"] { accent-color: var(--emerald); width: 16px; height: 16px; }
.signup-form .btn { margin-top: 8px; }
.signup-success {
  text-align: center;
  padding: 32px 16px;
  background: var(--cream);
  border-radius: var(--radius);
  color: var(--ink);
}
.signup-success h3 { color: var(--emerald); margin-bottom: 8px; }

/* Founder note ============================================== */
.founder {
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}
.founder blockquote {
  font-size: 20px;
  line-height: 1.55;
  font-weight: 400;
  color: var(--ink);
  margin: 24px 0;
  font-style: normal;
  border: none;
  padding: 0;
}
.founder cite { font-style: normal; font-size: 14px; color: var(--ink-muted); }

/* Footer ==================================================== */
.site-footer { background: var(--near-black); color: var(--cream); padding: 64px 0 32px; }
.site-footer__cols {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
}
.site-footer h4 {
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: rgba(245, 240, 230, 0.5);
  margin: 0 0 16px 0;
}
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 8px; font-size: 15px; }
.site-footer a { color: var(--cream); }
.site-footer a:hover { color: var(--white); }
.site-footer .logo__block { background: var(--cream); }
.site-footer .logo__block span { color: var(--emerald); }
.site-footer .logo__wordmark { color: var(--cream); }
.site-footer .logo__eyebrow { color: rgba(245, 240, 230, 0.55); }
.site-footer .tagline { color: rgba(245, 240, 230, 0.7); margin: 16px 0 0; font-size: 15px; }
.site-footer__bottom {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid rgba(245, 240, 230, 0.12);
  display: flex; justify-content: space-between; align-items: center;
  font-size: 13px;
  color: rgba(245, 240, 230, 0.5);
}
.dot-motif { display: flex; gap: 6px; }
.dot-motif span {
  width: 8px; height: 8px; border-radius: 50%;
  background: rgba(245, 240, 230, 0.25);
}
.dot-motif span.active { background: var(--emerald); }

/* Section header (eyebrow + title above cards) */
.section-head { text-align: center; margin: 0 auto; max-width: 760px; }
.section-head h2 { margin-bottom: 12px; }
.section-head .subhead { color: var(--ink-muted); }

/* Remote-first explainer right column */
.flow-diagram {
  background: var(--white);
  border: 1px solid var(--cream-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.flow-row {
  display: flex; align-items: center; gap: 16px;
  padding: 16px;
  background: var(--cream);
  border-radius: var(--radius);
}
.flow-row__num {
  width: 36px; height: 36px;
  background: var(--emerald); color: var(--cream);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 500; font-size: 16px;
  flex-shrink: 0;
}
.flow-row__label { font-size: 16px; font-weight: 500; color: var(--ink); }

/* Responsive ================================================ */
@media (max-width: 1023px) {
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .audiences-grid { grid-template-columns: 1fr; }
  .two-col { grid-template-columns: 1fr; gap: 40px; }
  .site-footer__cols { grid-template-columns: 1fr 1fr; }
  .section { padding: 64px 0; }
  .h-hero { font-size: 40px; }
  .h-section { font-size: 30px; }
}

@media (max-width: 640px) {
  .topnav__links { gap: 14px; font-size: 14px; }
  .topnav__links a:not(.btn) { display: none; }
  .topnav__links .btn { padding: 8px 16px; font-size: 13px; }
  .hero { padding: 64px 24px 48px; }
  .h-hero { font-size: 32px; }
  .h-section { font-size: 26px; }
  .section { padding: 48px 0; }
  .steps-grid { grid-template-columns: 1fr; gap: 16px; margin-top: 32px; }
  .audiences-grid { gap: 16px; margin-top: 32px; }
  .signup-card { padding: 28px 20px; }
  .site-footer__cols { grid-template-columns: 1fr; gap: 32px; }
  .site-footer__bottom { flex-direction: column; gap: 16px; align-items: flex-start; }
  .logo__eyebrow { display: none; }
  .cta-row { flex-direction: column; align-items: stretch; }
  .cta-row .btn { width: 100%; }
}