/* Flowlamina — minimal single-page site
   Brand: #2D6A4F (deep green) · #52B788 (mid green) · #B7E4C7 / #D8F3DC / #F0FFF4 (tints) */

:root {
  --green-900: #1b4332;
  --green-700: #2D6A4F;
  --green-500: #47946F;
  --green-200: #BED2C4;
  --green-100: #DBE5DD;
  --mint: #F1F4F1;
  --ink: #1f2a25;
  --ink-soft: #414e47;
  --paper: #ffffff;
  --radius: 14px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  font-size: 1.0625rem;
  -webkit-font-smoothing: antialiased;
}

.container { max-width: 1080px; margin: 0 auto; padding: 0 1.5rem; }
.narrow { max-width: 760px; }
.center { text-align: center; }

h1, h2, h3 { color: var(--green-900); line-height: 1.2; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.4rem, 6vw, 3.75rem); font-weight: 750; }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.25rem); margin-bottom: 0.75rem; }
h3 { font-size: 1.15rem; margin-bottom: 0.4rem; }

a { color: var(--green-700); text-decoration: none; }
p a:hover, .footer a:hover, .contact-lines a:hover { text-decoration: underline; }

/* ---------- Nav ---------- */
.nav-wrap {
  position: sticky; top: 0; z-index: 10;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--green-100);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 0.9rem; padding-bottom: 0.9rem;
}
.brand {
  display: inline-flex; align-items: center; gap: 0.55rem;
  font-weight: 700; font-size: 1.15rem; color: var(--green-900);
}
.brand img { display: block; }
.nav-links { display: flex; align-items: center; gap: 1.6rem; }
.nav-links a { font-weight: 500; color: var(--ink-soft); }
.nav-links a:hover { color: var(--green-700); }
.nav-links .btn, .nav-links .btn:hover { color: #fff; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  background: var(--green-700);
  color: #fff;
  font-weight: 600;
  padding: 0.8rem 1.6rem;
  border-radius: 999px;
  transition: background 0.15s ease, transform 0.15s ease;
}
.btn:hover { background: var(--green-900); transform: translateY(-1px); }
.btn-small { padding: 0.5rem 1.1rem; font-size: 0.95rem; color: #fff; }
.btn-lg { padding: 1rem 2.2rem; font-size: 1.1rem; }
.btn-ghost {
  background: transparent;
  color: var(--green-700);
  border: 1.5px solid var(--green-200);
}
.btn-ghost:hover { background: var(--mint); color: var(--green-900); }

/* ---------- Sections ---------- */
.section { padding: 5.5rem 0; }
.tint { background: var(--mint); }
.section-sub {
  color: var(--ink-soft);
  max-width: 560px;
  margin-bottom: 2.75rem;
}
.center .section-sub { margin-left: auto; margin-right: auto; }

/* ---------- Hero ---------- */
.hero { padding: 7.5rem 0 6rem; position: relative; overflow: hidden; }
.hero .container { position: relative; }
.hero-mark {
  position: absolute;
  right: 1.5rem; top: 50%;
  transform: translateY(-50%);
  width: min(340px, 28vw);
  pointer-events: none;
}
.eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--green-500);
  margin-bottom: 1rem;
}
.hero h1 { max-width: 15ch; }
.lede {
  font-size: 1.25rem;
  color: var(--ink-soft);
  max-width: 34rem;
  margin: 1.4rem 0 2.4rem;
}
.hero-actions { display: flex; gap: 0.9rem; flex-wrap: wrap; }

/* ---------- Cards / grids ---------- */
.grid { display: grid; gap: 1.4rem; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.card {
  background: var(--paper);
  border: 1px solid var(--green-100);
  border-radius: var(--radius);
  padding: 1.8rem 1.6rem;
}
.section:not(.tint) .card { background: var(--mint); border-color: var(--green-100); }
.card p { color: var(--ink-soft); font-size: 0.98rem; }
.card-icon {
  width: 2.6rem; height: 2.6rem;
  display: grid; place-items: center;
  background: var(--green-100);
  color: var(--green-700);
  font-size: 1.2rem;
  border-radius: 10px;
  margin-bottom: 1.1rem;
}

/* ---------- Quadrant cards ---------- */
.quadrant ul {
  list-style: none;
  columns: 1;
}
.quadrant li {
  color: var(--ink);
  font-size: 1rem;
  padding: 0.3rem 0 0.3rem 1.4rem;
  position: relative;
}
.quadrant li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--green-700);
  font-weight: 700;
}

/* ---------- Process steps ---------- */
.steps {
  list-style: none;
  counter-reset: step;
  margin-top: 2.25rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.4rem;
}
.steps li {
  counter-increment: step;
  background: var(--paper);
  border: 1px solid var(--green-100);
  border-radius: var(--radius);
  padding: 1.8rem 1.6rem 1.8rem 4.4rem;
  position: relative;
}
.steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 1.5rem; top: 1.85rem;
  font-weight: 750;
  color: var(--green-500);
  font-size: 1.05rem;
}
.steps p { color: var(--ink-soft); font-size: 0.98rem; }

/* ---------- Stats ---------- */
.stats-section { padding: 4rem 0; }
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.4rem;
  text-align: center;
}
.stat-label { display: block; max-width: 22ch; margin: 0 auto; }
.stat-num {
  display: block;
  font-size: clamp(2.2rem, 5vw, 3rem);
  font-weight: 750;
  color: var(--green-700);
  line-height: 1.1;
}
.stat-label { color: var(--ink-soft); }

/* ---------- Testimonials ---------- */
.quote blockquote {
  font-size: 0.98rem;
  color: var(--ink);
  margin-bottom: 1.1rem;
}
.quote figcaption { font-weight: 650; color: var(--green-700); }
.quote figcaption::before { content: "— "; }

/* ---------- FAQ ---------- */
#faq details {
  border-bottom: 1px solid var(--green-100);
  padding: 1.1rem 0;
}
#faq summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--green-900);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}
#faq summary::-webkit-details-marker { display: none; }
#faq summary::after {
  content: "+";
  color: var(--green-500);
  font-size: 1.4rem;
  font-weight: 500;
  line-height: 1;
  flex-shrink: 0;
}
#faq details[open] summary::after { content: "–"; }
#faq details p { padding-top: 0.7rem; color: var(--ink-soft); max-width: 62ch; }

/* ---------- CTA ---------- */
.cta-section { background: var(--green-900); }
.cta-section h2 { color: #fff; }
.cta-section .section-sub { color: var(--green-200); }
.cta-section .btn { background: var(--green-500); }
.cta-section .btn:hover { background: var(--green-200); color: var(--green-900); }
.contact-lines { margin-top: 1.6rem; color: var(--green-200); }
.contact-lines a { color: var(--green-100); font-weight: 500; }

/* ---------- Footer ---------- */
.footer { background: var(--green-900); border-top: 1px solid rgba(255,255,255,0.12); padding: 1.6rem 0; }
.footer-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; flex-wrap: wrap;
}
.footer .brand { color: #fff; font-size: 1rem; }
.footer p { color: var(--green-200); font-size: 0.9rem; }
.footer-links { display: flex; gap: 1.2rem; }
.footer-links a { color: var(--green-100); font-size: 0.9rem; }

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 1.6rem;
  transform: translate(-50%, 1rem);
  background: var(--green-900);
  color: #fff;
  font-size: 0.92rem;
  font-weight: 500;
  padding: 0.65rem 1.3rem;
  border-radius: 999px;
  box-shadow: 0 6px 24px rgba(27, 67, 50, 0.25);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 20;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .section { padding: 3.75rem 0; }
  .hero { padding: 5rem 0 4rem; }
  .nav-links { gap: 1rem; }
  .nav-links a:not(.btn) { display: none; }   /* keep nav minimal on phones; page is one scroll */
  .hero-mark { display: none; }
  .stats { grid-template-columns: 1fr; gap: 2rem; }
  .footer-inner { flex-direction: column; text-align: center; }
}