/* Planfru — self-contained marketing site stylesheet.
   Aesthetic: structured, reassuring B2B SaaS. Blue primary on white,
   rounded cards, icon-led feature grids, soft section tints. Offline only. */

:root {
  --plf-blue: #2563eb;
  --plf-blue-dark: #1d4ed8;
  --plf-blue-deep: #1e3a8a;
  --plf-blue-soft: #eff4ff;
  --plf-blue-tint: #f5f8ff;
  --plf-ink: #0f172a;
  --plf-slate: #475569;
  --plf-muted: #64748b;
  --plf-line: #e2e8f0;
  --plf-line-soft: #eef2f7;
  --plf-white: #ffffff;
  --plf-green: #16a34a;
  --plf-amber: #f59e0b;
  --plf-radius: 16px;
  --plf-radius-sm: 10px;
  --plf-shadow: 0 1px 2px rgba(15,23,42,.04), 0 8px 24px rgba(15,23,42,.06);
  --plf-shadow-lg: 0 12px 40px rgba(37,99,235,.14);
  --plf-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", system-ui, sans-serif;
  --plf-maxw: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--plf-font);
  color: var(--plf-ink);
  background: var(--plf-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  font-size: 17px;
}

a { color: var(--plf-blue-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 { color: var(--plf-ink); line-height: 1.2; margin: 0 0 .5em; letter-spacing: -.02em; }
h1 { font-size: clamp(2.1rem, 5vw, 3.2rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.3rem); font-weight: 800; }
h3 { font-size: 1.2rem; font-weight: 700; }
p { margin: 0 0 1rem; }

img, svg { max-width: 100%; }

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

/* ---------- Buttons ---------- */
.plf-btn {
  display: inline-flex; align-items: center; gap: .5rem;
  font-weight: 700; font-size: 1rem;
  padding: .8rem 1.4rem; border-radius: 999px;
  border: 1.5px solid transparent; cursor: pointer;
  transition: transform .12s ease, background .15s ease, box-shadow .15s ease;
  text-decoration: none;
}
.plf-btn:hover { text-decoration: none; transform: translateY(-1px); }
.plf-btn-primary { background: var(--plf-blue); color: #fff; box-shadow: 0 6px 18px rgba(37,99,235,.28); }
.plf-btn-primary:hover { background: var(--plf-blue-dark); color: #fff; }
.plf-btn-ghost { background: #fff; color: var(--plf-blue-dark); border-color: var(--plf-line); }
.plf-btn-ghost:hover { border-color: var(--plf-blue); background: var(--plf-blue-soft); }
.plf-btn-light { background: rgba(255,255,255,.14); color: #fff; border-color: rgba(255,255,255,.4); }
.plf-btn-light:hover { background: rgba(255,255,255,.24); color: #fff; }

/* ---------- Header ---------- */
.plf-header {
  position: sticky; top: 0; z-index: 40;
  background: rgba(255,255,255,.9);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--plf-line-soft);
}
.plf-nav { display: flex; align-items: center; gap: 1.5rem; height: 72px; }
.plf-brand { display: inline-flex; align-items: center; gap: .6rem; font-weight: 800; font-size: 1.25rem; color: var(--plf-ink); letter-spacing: -.02em; }
.plf-brand:hover { text-decoration: none; }
.plf-brand .plf-logo { flex: none; }
.plf-navlinks { display: flex; align-items: center; gap: .35rem; margin-left: auto; flex-wrap: wrap; }
.plf-navlinks a { color: var(--plf-slate); font-weight: 600; font-size: .97rem; padding: .5rem .75rem; border-radius: 8px; }
.plf-navlinks a:hover { color: var(--plf-blue-dark); background: var(--plf-blue-soft); text-decoration: none; }
.plf-navlinks a.is-active { color: var(--plf-blue-dark); background: var(--plf-blue-soft); }
.plf-nav-cta { margin-left: .4rem; }

/* ---------- Hero ---------- */
.plf-hero {
  background:
    radial-gradient(900px 420px at 82% -8%, rgba(37,99,235,.10), transparent 60%),
    linear-gradient(180deg, var(--plf-blue-tint), #fff 72%);
  border-bottom: 1px solid var(--plf-line-soft);
}
.plf-hero-grid {
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 3rem; align-items: center;
  padding: 4.5rem 0 4rem;
}
.plf-eyebrow {
  display: inline-flex; align-items: center; gap: .5rem;
  background: var(--plf-blue-soft); color: var(--plf-blue-dark);
  font-weight: 700; font-size: .82rem; letter-spacing: .02em;
  padding: .4rem .8rem; border-radius: 999px; margin-bottom: 1.1rem;
  border: 1px solid rgba(37,99,235,.16);
}
.plf-hero p.plf-lead { font-size: 1.18rem; color: var(--plf-slate); max-width: 34ch; }
.plf-hero-actions { display: flex; gap: .8rem; flex-wrap: wrap; margin-top: 1.6rem; }
.plf-hero-note { margin-top: 1.4rem; color: var(--plf-muted); font-size: .92rem; }

.plf-lead { font-size: 1.15rem; color: var(--plf-slate); }

/* ---------- Sections ---------- */
.plf-section { padding: 4.5rem 0; }
.plf-section-tint { background: var(--plf-blue-tint); border-block: 1px solid var(--plf-line-soft); }
.plf-section-soft { background: var(--plf-blue-soft); border-block: 1px solid rgba(37,99,235,.08); }
.plf-section-head { max-width: 62ch; margin: 0 auto 2.6rem; text-align: center; }
.plf-section-head.left { margin-left: 0; text-align: left; }
.plf-section-head p { color: var(--plf-slate); font-size: 1.08rem; }
.plf-kicker { color: var(--plf-blue); font-weight: 800; text-transform: uppercase; letter-spacing: .08em; font-size: .8rem; margin-bottom: .6rem; }

/* ---------- Cards / feature grid ---------- */
.plf-grid { display: grid; gap: 1.25rem; }
.plf-grid-3 { grid-template-columns: repeat(3, 1fr); }
.plf-grid-2 { grid-template-columns: repeat(2, 1fr); }
.plf-grid-4 { grid-template-columns: repeat(4, 1fr); }

.plf-card {
  background: #fff; border: 1px solid var(--plf-line);
  border-radius: var(--plf-radius); padding: 1.6rem;
  box-shadow: var(--plf-shadow); transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.plf-card:hover { transform: translateY(-3px); box-shadow: var(--plf-shadow-lg); border-color: rgba(37,99,235,.3); }
.plf-card h3 { margin-bottom: .4rem; }
.plf-card p { color: var(--plf-slate); margin: 0; font-size: .98rem; }

.plf-ico {
  display: inline-flex; align-items: center; justify-content: center;
  width: 46px; height: 46px; border-radius: 12px;
  background: var(--plf-blue-soft); color: var(--plf-blue);
  margin-bottom: 1rem; border: 1px solid rgba(37,99,235,.14);
}
.plf-ico svg { width: 24px; height: 24px; }

/* ---------- Pipeline / flow schematic ---------- */
.plf-flow {
  display: grid; grid-template-columns: repeat(5, 1fr) ; gap: 0;
  align-items: stretch; margin: 2rem 0; position: relative;
}
.plf-flow-step {
  position: relative; text-align: center; padding: 0 .5rem;
}
.plf-flow-node {
  background: #fff; border: 1.5px solid var(--plf-line);
  border-radius: 14px; padding: 1.2rem 1rem; box-shadow: var(--plf-shadow);
  position: relative; z-index: 2; height: 100%;
}
.plf-flow-step:nth-child(odd) .plf-flow-node { border-color: rgba(37,99,235,.35); }
.plf-flow-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; border-radius: 999px;
  background: var(--plf-blue); color: #fff; font-weight: 800; font-size: .95rem;
  margin-bottom: .7rem;
}
.plf-flow-node h4 { margin: 0 0 .3rem; font-size: 1.02rem; }
.plf-flow-node p { margin: 0; font-size: .84rem; color: var(--plf-muted); }
.plf-flow-arrow {
  position: absolute; top: 50%; right: -12px; transform: translateY(-50%);
  z-index: 3; color: var(--plf-blue); background: var(--plf-blue-tint);
  border-radius: 999px;
}
.plf-flow-step:last-child .plf-flow-arrow { display: none; }
.plf-flow-rail {
  position: absolute; left: 8%; right: 8%; top: 50%; height: 3px;
  background: linear-gradient(90deg, var(--plf-blue-soft), var(--plf-blue), var(--plf-blue-soft));
  border-radius: 3px; z-index: 0;
}

/* ---------- Stat strip ---------- */
.plf-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.plf-stat { background: #fff; border: 1px solid var(--plf-line); border-radius: var(--plf-radius); padding: 1.6rem; text-align: center; box-shadow: var(--plf-shadow); }
.plf-stat b { display: block; font-size: 2.1rem; color: var(--plf-blue-dark); font-weight: 800; letter-spacing: -.02em; }
.plf-stat span { color: var(--plf-slate); font-size: .95rem; }

/* ---------- Checklist ---------- */
.plf-checks { list-style: none; padding: 0; margin: 0; display: grid; gap: .8rem; }
.plf-checks li { display: flex; gap: .7rem; align-items: flex-start; color: var(--plf-slate); }
.plf-checks li svg { flex: none; margin-top: 3px; color: var(--plf-green); }

/* ---------- Split / media block ---------- */
.plf-split { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.plf-split.reverse .plf-split-media { order: 2; }

.plf-panel {
  background: #fff; border: 1px solid var(--plf-line); border-radius: var(--plf-radius);
  padding: 1.6rem; box-shadow: var(--plf-shadow);
}

/* ---------- Steps (vertical numbered) ---------- */
.plf-steps { display: grid; gap: 1.1rem; counter-reset: plf; }
.plf-step { display: grid; grid-template-columns: 48px 1fr; gap: 1rem; align-items: start;
  background: #fff; border: 1px solid var(--plf-line); border-radius: var(--plf-radius);
  padding: 1.4rem 1.5rem; box-shadow: var(--plf-shadow); }
.plf-step-badge { width: 44px; height: 44px; border-radius: 12px; background: var(--plf-blue-soft);
  color: var(--plf-blue-dark); display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 1.15rem; border: 1px solid rgba(37,99,235,.16); }
.plf-step h3 { margin: 0 0 .3rem; }
.plf-step p { margin: 0; color: var(--plf-slate); font-size: .98rem; }

/* ---------- CTA band ---------- */
.plf-cta {
  background:
    radial-gradient(700px 300px at 15% 0%, rgba(255,255,255,.18), transparent 60%),
    linear-gradient(135deg, var(--plf-blue-dark), var(--plf-blue-deep));
  color: #fff; border-radius: 24px; padding: 3rem; text-align: center;
}
.plf-cta h2 { color: #fff; }
.plf-cta p { color: rgba(255,255,255,.9); max-width: 52ch; margin: 0 auto 1.6rem; font-size: 1.1rem; }
.plf-cta .plf-hero-actions { justify-content: center; }

/* ---------- Data / info table ---------- */
.plf-table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--plf-line); border-radius: var(--plf-radius); overflow: hidden; box-shadow: var(--plf-shadow); }
.plf-table th, .plf-table td { text-align: left; padding: .95rem 1.2rem; border-bottom: 1px solid var(--plf-line-soft); vertical-align: top; }
.plf-table tr:last-child th, .plf-table tr:last-child td { border-bottom: 0; }
.plf-table th { width: 34%; color: var(--plf-ink); font-weight: 700; background: var(--plf-blue-tint); }
.plf-table td { color: var(--plf-slate); }
.plf-table-wrap { overflow-x: auto; }

/* ---------- Job / role ---------- */
.plf-role-head { background: var(--plf-blue-tint); border-bottom: 1px solid var(--plf-line-soft); }
.plf-badges { display: flex; flex-wrap: wrap; gap: .5rem; margin: 1rem 0 0; }
.plf-badge { display: inline-flex; align-items: center; gap: .4rem; background: #fff; border: 1px solid var(--plf-line); color: var(--plf-slate); font-weight: 600; font-size: .86rem; padding: .35rem .75rem; border-radius: 999px; }
.plf-badge.blue { background: var(--plf-blue-soft); color: var(--plf-blue-dark); border-color: rgba(37,99,235,.2); }
.plf-badge.green { background: #ecfdf5; color: #15803d; border-color: #bbf7d0; }

.plf-role-body h2 { margin-top: 2rem; }
.plf-role-body ul { padding-left: 1.2rem; color: var(--plf-slate); }
.plf-role-body ul li { margin-bottom: .5rem; }

.plf-notice { background: #ecfdf5; border: 1px solid #bbf7d0; color: #14532d; border-radius: var(--plf-radius); padding: 1.1rem 1.3rem; font-size: .95rem; }
.plf-notice.blue { background: var(--plf-blue-soft); border-color: rgba(37,99,235,.2); color: var(--plf-blue-deep); }

/* ---------- Forms ---------- */
.plf-form { display: grid; gap: 1.1rem; }
.plf-form .plf-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
.plf-field { display: grid; gap: .35rem; }
.plf-field label { font-weight: 700; font-size: .92rem; color: var(--plf-ink); }
.plf-field .req { color: var(--plf-blue); }
.plf-field input, .plf-field select, .plf-field textarea {
  font-family: inherit; font-size: 1rem; color: var(--plf-ink);
  padding: .75rem .9rem; border: 1.5px solid var(--plf-line); border-radius: var(--plf-radius-sm);
  background: #fff; width: 100%; transition: border-color .15s ease, box-shadow .15s ease;
}
.plf-field input:focus, .plf-field select:focus, .plf-field textarea:focus {
  outline: none; border-color: var(--plf-blue); box-shadow: 0 0 0 3px rgba(37,99,235,.15);
}
.plf-field textarea { min-height: 120px; resize: vertical; }
.plf-consent { display: flex; gap: .6rem; align-items: flex-start; font-size: .92rem; color: var(--plf-slate); }
.plf-consent input { width: auto; margin-top: 5px; flex: none; }
.plf-form-hint { color: var(--plf-muted); font-size: .88rem; }

/* ---------- Contact info cards ---------- */
.plf-contact-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 1rem; }
.plf-contact-list li { display: flex; gap: .9rem; align-items: flex-start; }
.plf-contact-list .plf-ico { margin-bottom: 0; width: 42px; height: 42px; }
.plf-contact-list b { display: block; color: var(--plf-ink); }
.plf-contact-list span, .plf-contact-list a { color: var(--plf-slate); }

/* ---------- Thanks ---------- */
.plf-thanks { text-align: center; max-width: 620px; margin: 0 auto; padding: 5rem 0; }
.plf-thanks .plf-checkmark {
  width: 84px; height: 84px; border-radius: 999px; background: #ecfdf5; color: var(--plf-green);
  display: inline-flex; align-items: center; justify-content: center; margin-bottom: 1.5rem; border: 2px solid #bbf7d0;
}

/* ---------- Footer ---------- */
.plf-footer { background: var(--plf-ink); color: #cbd5e1; padding: 3.5rem 0 2rem; margin-top: 0; }
.plf-footer a { color: #cbd5e1; }
.plf-footer a:hover { color: #fff; }
.plf-footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 2rem; }
.plf-footer h4 { color: #fff; font-size: .95rem; text-transform: uppercase; letter-spacing: .06em; margin-bottom: 1rem; }
.plf-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .55rem; font-size: .95rem; }
.plf-footer .plf-brand { color: #fff; margin-bottom: .8rem; }
.plf-footer-about { color: #94a3b8; font-size: .95rem; max-width: 32ch; }
.plf-footer-bottom { border-top: 1px solid #1e293b; margin-top: 2.5rem; padding-top: 1.5rem; display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; color: #94a3b8; font-size: .88rem; }

/* ---------- Prose ---------- */
.plf-prose { max-width: 70ch; }
.plf-prose p { color: var(--plf-slate); }
.plf-prose blockquote { margin: 1.5rem 0; padding: 1rem 1.4rem; border-left: 4px solid var(--plf-blue); background: var(--plf-blue-tint); border-radius: 0 12px 12px 0; color: var(--plf-ink); font-style: italic; }

.plf-mt-0 { margin-top: 0; }
.plf-center { text-align: center; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .plf-hero-grid { grid-template-columns: 1fr; gap: 2rem; padding: 3rem 0; }
  .plf-grid-3, .plf-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .plf-split, .plf-split.reverse { grid-template-columns: 1fr; }
  .plf-split.reverse .plf-split-media { order: 0; }
  .plf-flow { grid-template-columns: 1fr 1fr; gap: 1rem; }
  .plf-flow-rail { display: none; }
  .plf-flow-arrow { display: none !important; }
  .plf-footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  body { font-size: 16px; }
  .plf-navlinks { display: none; }
  .plf-grid-3, .plf-grid-4, .plf-grid-2, .plf-stats { grid-template-columns: 1fr; }
  .plf-flow { grid-template-columns: 1fr; }
  .plf-form .plf-row { grid-template-columns: 1fr; }
  .plf-footer-grid { grid-template-columns: 1fr; }
  .plf-cta { padding: 2rem 1.4rem; }
  .plf-table th { width: 42%; }
}