/* ============================================================
   Merfi by Sensory Solutions — info.getmerfi.com
   Standalone overview / marketing page.
   Brand palette sampled from the Merfi wordmark, shared with the
   guide + legal sites.
   ============================================================ */

:root {
  --cyan:        #00c0d0;
  --cyan-deep:   #0a8a99;
  --coral:       #f0705f;
  --green:       #4fbe85;
  --amber:       #f2a950;

  --ink:         #2b2e35;
  --muted:       #667085;
  --line:        #e7eaf0;
  --bg:          #ffffff;
  --surface:     #f6fbfc;
  --surface-warm:#fff7ef;
  --shadow:      0 1px 2px rgba(16,24,40,.04), 0 10px 30px rgba(16,24,40,.08);

  --maxw: 1120px;
  --radius: 18px;
  --radius-sm: 12px;

  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji", sans-serif;
  --font-head: "Nunito", var(--font-body);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
h1, h2, h3 { font-family: var(--font-head); letter-spacing: -.01em; }

/* Playful 4-colour top bar */
.brandbar {
  height: 6px;
  background: linear-gradient(90deg,
     var(--cyan) 0%, var(--cyan) 25%,
     var(--green) 25%, var(--green) 50%,
     var(--amber) 50%, var(--amber) 75%,
     var(--coral) 75%, var(--coral) 100%);
}

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.9);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  max-width: var(--maxw); margin: 0 auto;
  padding: 13px 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
}
.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.logo img { height: 32px; width: auto; }
.logo .tagline {
  font: 600 12px/1 var(--font-head);
  color: var(--muted); letter-spacing: .02em;
  padding-left: 12px; border-left: 1px solid var(--line);
}
.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  font: 700 15px/1 var(--font-head);
  color: var(--muted); text-decoration: none;
  padding: 9px 14px; border-radius: 999px; transition: all .15s ease;
}
.nav a:hover { color: var(--ink); background: var(--surface); }
.nav a.nav-cta { color: #fff; background: var(--cyan-deep); }
.nav a.nav-cta:hover { background: #0a7a88; color: #fff; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: 800 16px/1 var(--font-head);
  padding: 14px 22px; border-radius: 999px;
  background: var(--cyan-deep); color: #fff; text-decoration: none;
  transition: transform .12s ease, box-shadow .12s ease, background .15s ease;
  box-shadow: 0 6px 16px rgba(10,138,153,.22);
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 10px 22px rgba(10,138,153,.28); }
.btn.ghost { background: #fff; color: var(--cyan-deep); box-shadow: none; border: 1.5px solid var(--line); }
.btn.ghost:hover { border-color: var(--cyan); background: var(--surface); }
.btn.big { font-size: 17.5px; padding: 16px 30px; }

/* ---------- Shared layout ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.eyebrow, .section-eyebrow {
  display: inline-block; font: 800 13px/1 var(--font-head);
  letter-spacing: .09em; text-transform: uppercase; color: var(--coral);
  margin-bottom: 14px;
}
h2 { font-size: clamp(26px, 3.6vw, 34px); margin: 0 0 20px; }

/* ---------- Hero ---------- */
.hero {
  max-width: var(--maxw); margin: 0 auto; padding: 56px 24px 40px;
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center;
}
.hero h1 { font-size: clamp(32px, 5vw, 50px); line-height: 1.08; margin: 0 0 18px; }
.hero .lede { font-size: 19px; color: var(--muted); margin: 0 0 26px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-note { font: 600 14px/1.4 var(--font-head); color: var(--muted); margin: 20px 0 0; }
.hero-media { position: relative; }
.hero-media img {
  width: 100%; border-radius: 24px; box-shadow: var(--shadow);
  border: 1px solid var(--line);
}
.media-cap {
  display: block; margin-top: 14px; text-align: center;
  font: 600 14px/1.5 var(--font-head); color: var(--muted);
}

/* ---------- Bands ---------- */
.band { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 64px 0; margin-top: 8px; }
.band + .band { margin-top: 0; }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.col-text p { margin: 0 0 16px; }
.ticks { list-style: none; margin: 22px 0 0; padding: 0; }
.ticks li { position: relative; padding: 0 0 12px 32px; font-weight: 600; }
.ticks li:before {
  content: ""; position: absolute; left: 0; top: 3px;
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--green);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E") center/13px no-repeat;
          mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E") center/13px no-repeat;
}
.col-photos { display: grid; gap: 18px; }
.col-photos figure { margin: 0; }
.col-photos img { border-radius: 16px; box-shadow: var(--shadow); border: 1px solid var(--line); }
.col-photos figcaption { margin-top: 10px; font: 600 13.5px/1.5 var(--font-head); color: var(--muted); }

/* ---------- Steps ---------- */
.steps-band { padding: 72px 24px; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 8px; }
.step {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 26px; box-shadow: var(--shadow);
}
.step-num {
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--cyan); color: #fff;
  font: 800 21px/46px var(--font-head); text-align: center; margin-bottom: 16px;
}
.step:nth-child(2) .step-num { background: var(--amber); }
.step:nth-child(3) .step-num { background: var(--coral); }
.step h3 { font-size: 20px; margin: 0 0 8px; }
.step p { margin: 0; color: var(--muted); }

/* ---------- Why ---------- */
.why .why-lede { font-size: 18.5px; color: var(--muted); max-width: 760px; margin: 0 0 34px; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 24px; box-shadow: var(--shadow);
}
.card h3 { font-size: 19px; margin: 0 0 8px; color: var(--cyan-deep); }
.card p { margin: 0; color: var(--muted); }
.why-foot {
  margin: 34px 0 0; max-width: 820px;
  background: var(--surface-warm); border: 1px solid #f6e2c6; border-radius: var(--radius);
  padding: 20px 22px; color: #7a5a2e; font-size: 16px;
}

/* ---------- Contact ---------- */
.contact { padding: 76px 24px; }
.contact-head { max-width: 560px; margin: 0 auto 6px; text-align: center; }
.contact-head .section-eyebrow { margin-bottom: 12px; }
.contact-head h2 { margin: 0 0 12px; }
.contact-head p { color: var(--muted); font-size: 18px; margin: 0 auto; max-width: 520px; }

/* Waitlist form — matches the pilot enrollment (join.getmerfi.com) form */
.form-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 26px 24px; margin: 6px auto 0;
  max-width: 560px; text-align: left;
}
.field { margin: 0 0 16px; }
.field:last-of-type { margin-bottom: 4px; }
.field label { display: block; font: 700 14.5px/1.4 var(--font-head); margin: 0 0 6px; }
.field input {
  width: 100%; font-size: 16px; font-family: var(--font-body); color: var(--ink);
  padding: 13px 14px; border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: #fff; transition: border-color .15s ease, box-shadow .15s ease;
}
.field input:focus { outline: none; border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(0,192,208,.16); }
.field.err input { border-color: var(--coral); }
.field .err-msg { display: none; color: var(--coral); font-size: 13px; margin: 6px 0 0; }
.field.err .err-msg { display: block; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-card .btn { width: 100%; justify-content: center; margin-top: 8px; }
.form-note { font-size: 13.5px; color: var(--muted); margin: 12px 0 0; text-align: center; }
.form-note a { color: var(--cyan-deep); }

/* Success banner (revealed after submit) */
.ok-banner {
  display: none; gap: 12px; align-items: flex-start; text-align: left;
  max-width: 560px; margin: 16px auto 0;
  background: linear-gradient(180deg,#eefafb,#f6fbfc); border: 1px solid #cdeef1;
  border-radius: var(--radius); padding: 18px 20px;
}
.ok-banner.show { display: flex; animation: okFade .4s ease; }
.ok-banner svg { flex: none; margin-top: 2px; }
.ok-banner b { font-family: var(--font-head); }
@keyframes okFade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ---------- Partners / clinics ---------- */
.partners { background: var(--surface); border-top: 1px solid var(--line); padding: 72px 0; }
.partners-inner { max-width: 640px; margin: 0 auto; text-align: center; }
.partners-inner .section-eyebrow { margin-bottom: 12px; }
.partners-inner h2 { margin: 0 0 14px; }
.partners-inner > p { color: var(--muted); font-size: 18px; margin: 0 auto 26px; max-width: 560px; }
.partner-form-wrap { margin-top: 26px; }
.partner-form-wrap[hidden] { display: none; }
.partner-form-wrap .form-card { animation: okFade .35s ease; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); background: #fff; margin-top: 8px; }
.footer-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 48px 24px 32px;
  display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px;
}
.footer-brand img { height: 30px; margin-bottom: 14px; }
.footer-brand p { color: var(--muted); font-size: 15px; max-width: 380px; margin: 0; }
.footer-col h4 { font: 800 14px/1 var(--font-head); text-transform: uppercase; letter-spacing: .06em; color: var(--ink); margin: 0 0 14px; }
.footer-col a, .footer-col span { display: block; color: var(--muted); text-decoration: none; font-size: 15px; margin-bottom: 9px; }
.footer-col a:hover { color: var(--cyan-deep); }
.footer-bottom { border-top: 1px solid var(--line); }
.fb-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 18px 24px;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-size: 13px; color: var(--muted);
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 34px; padding-top: 40px; }
  .hero-media { order: -1; }
  .two-col { grid-template-columns: 1fr; gap: 32px; }
  .steps, .cards { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .nav a:not(.nav-cta) { display: none; }
  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
  .hero-actions .btn { flex: 1 1 auto; }
}