/* Recallant — site styles. One stylesheet for every page. */

:root {
  --bg: #ffffff;
  --bg-alt: #f5f5f7;
  --bg-inverse: #000000;
  --text: #1d1d1f;
  --text-2: #6e6e73;
  --text-inverse: #f5f5f7;
  --text-inverse-2: #a1a1a6;
  --line: #d2d2d7;
  --accent: #1b6b57;
  --accent-hover: #145444;
  --accent-text: #ffffff;
  --link: #1b6b57;
  --accent-inverse: #5ccaa8;
  --nav-bg: rgba(255, 255, 255, 0.72);
  --radius: 22px;
  --radius-sm: 12px;
  --max: 1080px;
  --max-text: 720px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --bg-alt: #161617;
    --bg-inverse: #f5f5f7;
    --text: #f5f5f7;
    --text-2: #a1a1a6;
    --text-inverse: #1d1d1f;
    --text-inverse-2: #6e6e73;
    --line: #333336;
    --accent: #3fb894;
    --accent-hover: #5ccaa8;
    --accent-text: #000000;
    --link: #5ccaa8;
    --accent-inverse: #1b6b57;
    --nav-bg: rgba(22, 22, 23, 0.72);
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.5;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; display: block; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 22px; }
.wrap-text { max-width: var(--max-text); margin: 0 auto; padding: 0 22px; }

/* ---------- Navigation ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--nav-bg);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 22px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo {
  font-weight: 600;
  font-size: 19px;
  letter-spacing: -0.02em;
  color: var(--text);
}
.logo:hover { text-decoration: none; }
.nav-links { display: flex; align-items: center; gap: 28px; font-size: 14px; }
.nav-links a { color: var(--text); opacity: 0.8; }
.nav-links a:hover { opacity: 1; text-decoration: none; }
.nav-links a[aria-current="page"] { opacity: 1; font-weight: 600; }
.nav-links .pill-sm { opacity: 1; color: var(--accent-text); }

.nav-menu { display: none; }
.nav-menu summary {
  list-style: none;
  cursor: pointer;
  font-size: 14px;
  padding: 6px 0;
  color: var(--text);
}
.nav-menu summary::-webkit-details-marker { display: none; }
.nav-menu[open] .menu-panel {
  position: absolute;
  left: 0;
  right: 0;
  top: 52px;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
  padding: 8px 22px 20px;
}
.menu-panel a {
  display: block;
  padding: 12px 0;
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
  border-bottom: 1px solid var(--line);
}
.menu-panel a:last-child { border-bottom: none; }

@media (max-width: 760px) {
  .nav-links { display: none; }
  .nav-menu { display: block; }
}

/* ---------- Buttons ---------- */

.pill, .pill-sm {
  display: inline-block;
  background: var(--accent);
  color: var(--accent-text);
  border-radius: 980px;
  font-weight: 500;
  white-space: nowrap;
}
.pill { padding: 12px 24px; font-size: 17px; }
.pill-sm { padding: 5px 14px; font-size: 13px; }
.pill:hover, .pill-sm:hover { background: var(--accent-hover); text-decoration: none; }
.more { font-size: 17px; white-space: nowrap; }
.more::after { content: " ›"; }
.cta-row { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 16px 28px; margin-top: 28px; }

/* ---------- Type ---------- */

.eyebrow {
  font-size: 17px;
  font-weight: 600;
  color: var(--accent);
  margin: 0 0 8px;
  letter-spacing: 0;
}
.display {
  font-size: clamp(40px, 8vw, 80px);
  line-height: 1.05;
  font-weight: 700;
  letter-spacing: -0.035em;
  margin: 0;
}
.headline {
  font-size: clamp(32px, 5.5vw, 56px);
  line-height: 1.07;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin: 0;
}
.title {
  font-size: clamp(24px, 3.5vw, 32px);
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0;
}
.lede {
  font-size: clamp(19px, 2.4vw, 24px);
  line-height: 1.4;
  color: var(--text-2);
  margin: 20px auto 0;
  max-width: 680px;
  letter-spacing: -0.015em;
}
.center { text-align: center; }
.muted { color: var(--text-2); }
.small { font-size: 14px; }

/* ---------- Sections ---------- */

.section { padding: 96px 0; }
.section-tight { padding: 64px 0; }
.alt { background: var(--bg-alt); }
.inverse { background: var(--bg-inverse); color: var(--text-inverse); }
.inverse .lede, .inverse .muted { color: var(--text-inverse-2); }
.inverse .eyebrow, .inverse a { color: var(--accent-inverse); }

.hero { padding: 112px 0 96px; text-align: center; }
@media (max-width: 760px) {
  .section { padding: 72px 0; }
  .hero { padding: 80px 0 72px; }
}

/* ---------- Tiles ---------- */

.grid { display: grid; gap: 20px; margin-top: 48px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 900px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }

.tile {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.alt .tile { background: var(--bg); }
.section:not(.alt) .tile { background: var(--bg-alt); }
.tile h3 { font-size: 24px; line-height: 1.15; letter-spacing: -0.02em; margin: 0; }
.tile p { margin: 0; color: var(--text-2); }
.tile .more { margin-top: auto; padding-top: 12px; }
.tile-num { font-size: 15px; font-weight: 600; color: var(--accent); }

/* ---------- Stats ---------- */

.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; margin-top: 56px; text-align: center; }
@media (max-width: 760px) { .stats { grid-template-columns: 1fr; gap: 36px; } }
.stat-num {
  font-size: clamp(48px, 7vw, 72px);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
}
.stat-label { margin-top: 10px; color: var(--text-inverse-2); font-size: 17px; }
.section:not(.inverse) .stat-label { color: var(--text-2); }

/* ---------- Steps ---------- */

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; margin-top: 56px; }
@media (max-width: 760px) { .steps { grid-template-columns: 1fr; gap: 32px; } }
.step-n {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--text); color: var(--bg);
  display: grid; place-items: center;
  font-weight: 600; font-size: 15px;
  margin-bottom: 16px;
}
.step h3 { margin: 0 0 8px; font-size: 21px; letter-spacing: -0.02em; }
.step p { margin: 0; color: var(--text-2); }

/* ---------- Service blocks ---------- */

.service { padding: 80px 0; border-top: 1px solid var(--line); }
.service:first-of-type { border-top: none; }
.service-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
@media (max-width: 760px) { .service-grid { grid-template-columns: 1fr; gap: 24px; } }
.service p { margin: 16px 0 0; color: var(--text-2); font-size: 19px; line-height: 1.45; }
.checks { list-style: none; padding: 0; margin: 0; }
.checks li {
  padding: 14px 0 14px 30px;
  border-bottom: 1px solid var(--line);
  position: relative;
}
.checks li:last-child { border-bottom: none; }
.checks li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 21px;
  width: 12px;
  height: 7px;
  border-left: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(-45deg);
}

/* ---------- Plans ---------- */

.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 56px; }
@media (max-width: 960px) { .plans { grid-template-columns: 1fr; max-width: 520px; margin-left: auto; margin-right: auto; } }
.plan {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  border: 1px solid transparent;
}
.plan.featured { border-color: var(--accent); }
.plan-tag { font-size: 13px; font-weight: 600; color: var(--accent); min-height: 18px; }
.plan h3 { font-size: 28px; letter-spacing: -0.025em; margin: 6px 0 6px; }
.plan .for { color: var(--text-2); margin: 0 0 20px; }
.plan .price { font-size: 21px; font-weight: 600; margin: 0 0 4px; }
.plan .price-note { font-size: 14px; color: var(--text-2); margin: 0 0 24px; }
.plan .checks { margin-bottom: 28px; font-size: 16px; }
.plan .checks li { padding: 10px 0 10px 28px; }
.plan .checks li::before { top: 16px; }
.plan .pill { margin-top: auto; text-align: center; }

/* ---------- FAQ ---------- */

.faq { margin-top: 40px; }
.faq details { border-bottom: 1px solid var(--line); padding: 20px 0; }
.faq summary {
  cursor: pointer;
  font-size: 19px;
  font-weight: 600;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-weight: 400; color: var(--text-2); }
.faq details[open] summary::after { content: "−"; }
.faq details p { margin: 12px 0 0; color: var(--text-2); }

/* ---------- Article (studies, about) ---------- */

.article { padding-top: 72px; padding-bottom: 96px; }
.article h1 { font-size: clamp(32px, 5vw, 48px); line-height: 1.1; letter-spacing: -0.03em; margin: 0 0 12px; }
.article h2 { font-size: 28px; letter-spacing: -0.02em; margin: 56px 0 14px; line-height: 1.2; }
.article h3 { font-size: 21px; margin: 32px 0 10px; }
.article p, .article li { font-size: 18px; line-height: 1.6; }
.article ul, .article ol { padding-left: 22px; }
.article li { margin-bottom: 6px; }
.byline { color: var(--text-2); font-size: 15px; margin-bottom: 32px; }
.table-wrap {
  overflow-x: auto;
  margin: 8px 0 24px;
  border-radius: var(--radius-sm);
  background: var(--bg-alt);
}
.table-wrap table { border-collapse: collapse; width: 100%; font-size: 15px; }
.table-wrap th, .table-wrap td {
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  line-height: 1.45;
}
.table-wrap th { font-weight: 600; white-space: nowrap; }
.table-wrap tr:last-child td { border-bottom: none; }
.callout {
  background: var(--bg-alt);
  border-radius: var(--radius);
  padding: 32px;
  margin-top: 56px;
}
.callout p { margin: 8px 0 16px; }

.study-card {
  display: block;
  background: var(--bg-alt);
  border-radius: var(--radius);
  padding: 36px 32px;
  color: var(--text);
  margin-top: 20px;
}
.study-card:hover { text-decoration: none; }
.study-card h3 { font-size: 26px; letter-spacing: -0.02em; margin: 6px 0 10px; }
.study-card p { margin: 0 0 16px; color: var(--text-2); }
.study-card .more { color: var(--link); }

/* ---------- Footer ---------- */

.footer { background: var(--bg-alt); color: var(--text-2); font-size: 13px; padding: 40px 0 48px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 32px; padding-bottom: 24px; border-bottom: 1px solid var(--line); }
@media (max-width: 640px) { .footer-grid { grid-template-columns: 1fr 1fr; } .footer-grid > :first-child { grid-column: 1 / -1; } }
.footer h4 { color: var(--text); font-size: 13px; font-weight: 600; margin: 0 0 10px; }
.footer a { color: var(--text-2); display: block; padding: 3px 0; }
.footer a:hover { color: var(--text); }
.footer p { margin: 0 0 6px; }
.footer-base { padding-top: 16px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; }
.service .eyebrow { color: var(--accent); font-size: 17px; margin: 0 0 8px; }
.section > .wrap > .plans:first-child { margin-top: 0; }

/* ---------- Additions: email note, founder photo, sample snapshot ---------- */
.email-note { margin: 16px 0 0; font-size: 15px; color: var(--text-2); text-align: center; }
.email-note.left { text-align: left; }
.inverse .email-note { color: var(--text-inverse-2); }
.founder { width: 160px; height: 160px; border-radius: 50%; object-fit: cover; margin: 8px 0 20px; }
.note-box { background: var(--bg-alt); border-radius: var(--radius-sm); padding: 16px 20px; font-size: 15px; color: var(--text-2); margin-bottom: 32px; line-height: 1.5; }
.kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 8px 0 8px; }
@media (max-width: 640px) { .kpis { grid-template-columns: 1fr; } }
.kpi { background: var(--bg-alt); border-radius: var(--radius); padding: 24px; }
.kpi-num { font-size: 44px; font-weight: 700; letter-spacing: -0.04em; line-height: 1; }
.kpi-label { margin-top: 8px; font-size: 15px; color: var(--text-2); line-height: 1.4; }