/* =========================================================
   Nationflow Advisory — Stylesheet
   Design tokens live in :root. Change colours/fonts there
   and the rest of the site updates.
   ========================================================= */

:root {
  /* Colour palette — earthy, grounded, modern */
  --c-bg:        #f5f1ea;   /* warm beige page background */
  --c-surface:   #ffffff;   /* card / panel background */
  --c-surface-2: #efe9de;   /* secondary panel */
  --c-ink:       #1f2421;   /* primary text — near-black charcoal */
  --c-ink-soft:  #4a514c;   /* secondary text */
  --c-muted:     #7a8079;   /* tertiary text, captions */
  --c-line:      #d9d2c4;   /* hairline borders */
  --c-primary:   #2d4a3e;   /* deep forest green — brand */
  --c-primary-2: #1f3a2f;   /* darker green for hover */
  --c-accent:    #b08945;   /* muted gold accent */
  --c-accent-2: #8c6c34;

  /* Type scale */
  --f-serif: "Fraunces", Georgia, "Times New Roman", serif;
  --f-sans:  "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  /* Spacing */
  --s-1: 0.5rem;
  --s-2: 1rem;
  --s-3: 1.5rem;
  --s-4: 2rem;
  --s-5: 3rem;
  --s-6: 4.5rem;
  --s-7: 6rem;

  /* Layout */
  --container: 1180px;
  --radius: 6px;
  --radius-lg: 14px;
  --shadow-sm: 0 1px 2px rgba(31,36,33,.06), 0 1px 3px rgba(31,36,33,.04);
  --shadow-md: 0 4px 12px rgba(31,36,33,.08), 0 2px 4px rgba(31,36,33,.04);
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--f-sans);
  font-size: 17px;
  line-height: 1.65;
  color: var(--c-ink);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--c-primary); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--c-primary-2); }

h1, h2, h3, h4 {
  font-family: var(--f-serif);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--c-ink);
  margin: 0 0 var(--s-3);
}
h1 { font-size: clamp(2.1rem, 4.5vw, 3.4rem); font-weight: 500; }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); }
h3 { font-size: 1.25rem; font-weight: 600; }
h4 { font-size: 1.05rem; font-weight: 600; font-family: var(--f-sans); letter-spacing: 0; }
p  { margin: 0 0 var(--s-3); }
p.lead { font-size: 1.18rem; color: var(--c-ink-soft); }

ul.clean { list-style: none; padding: 0; margin: 0; }

/* ---------- Layout helpers ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--s-3);
}
.section {
  padding: var(--s-7) 0;
}
.section--tight { padding: var(--s-6) 0; }
.section--alt   { background: var(--c-surface-2); }
.section--dark  { background: var(--c-primary); color: #eef2ec; }
.section--dark h1, .section--dark h2, .section--dark h3 { color: #fff; }
.section--dark a { color: #f0d9a3; }

.eyebrow {
  font-family: var(--f-sans);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--c-accent-2);
  margin-bottom: var(--s-2);
}
.section--dark .eyebrow { color: #d9b96a; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  font-family: var(--f-sans);
  font-weight: 600;
  font-size: 1rem;
  line-height: 1;
  padding: 0.95rem 1.4rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background .15s ease, color .15s ease, border-color .15s ease, transform .05s ease;
}
.btn:active { transform: translateY(1px); }
.btn--primary {
  background: var(--c-primary);
  color: #fff;
}
.btn--primary:hover { background: var(--c-primary-2); color: #fff; }
.btn--ghost {
  background: transparent;
  color: var(--c-ink);
  border-color: var(--c-line);
}
.btn--ghost:hover { border-color: var(--c-ink); }
.btn--accent {
  background: var(--c-accent);
  color: #1f2421;
}
.btn--accent:hover { background: var(--c-accent-2); color: #fff; }
.btn--lg { padding: 1.05rem 1.7rem; font-size: 1.05rem; }

.btn-row { display: flex; flex-wrap: wrap; gap: var(--s-2); }

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(245, 241, 234, 0.92);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--c-line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}
.brand {
  font-family: var(--f-serif);
  font-weight: 600;
  font-size: 1.2rem;
  color: var(--c-ink);
  text-decoration: none;
  letter-spacing: -0.01em;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}
.brand__mark {
  display: inline-block;
  width: 28px;
  height: 28px;
  border-radius: 0;
  background: none;
  object-fit: contain;
  flex: 0 0 auto;
}
img.brand__mark {
  width: 28px;
  height: 28px;
}
.nav__links {
  display: flex;
  gap: 1.6rem;
  align-items: center;
  list-style: none;
  padding: 0;
  margin: 0;
}
.nav__links a {
  font-size: 0.95rem;
  text-decoration: none;
  color: var(--c-ink-soft);
  font-weight: 500;
}
.nav__links a:hover,
.nav__links a.active { color: var(--c-primary); }

.nav__cta { margin-left: 0.6rem; }

.nav__toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 0.5rem 0.7rem;
  cursor: pointer;
  font-family: var(--f-sans);
  font-size: 0.9rem;
}

@media (max-width: 820px) {
  .nav__toggle { display: inline-block; }
  .nav__links {
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--c-bg);
    border-bottom: 1px solid var(--c-line);
    padding: 0.5rem var(--s-3) 1rem;
    display: none;
  }
  .nav__links.open { display: flex; }
  .nav__links li { width: 100%; }
  .nav__links a {
    display: block;
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--c-line);
  }
  .nav__links li:last-child a { border-bottom: 0; }
  .nav__cta { margin: 0.6rem 0 0; }
}

/* ---------- Hero ---------- */
.hero {
  padding: var(--s-7) 0 var(--s-6);
  position: relative;
  overflow: hidden;
}
.hero__inner {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: var(--s-5);
  align-items: center;
}
.hero__eyebrow { color: var(--c-accent-2); }
.hero h1 { margin-bottom: var(--s-3); }
.hero p.lead { max-width: 56ch; }
.hero__meta {
  margin-top: var(--s-4);
  display: flex; flex-wrap: wrap; gap: 1.25rem;
  color: var(--c-muted);
  font-size: 0.92rem;
}
.hero__meta span { display: inline-flex; align-items: center; gap: 0.45rem; }
.hero__meta .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--c-accent);
}

.hero__visual {
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  padding: var(--s-4);
  box-shadow: var(--shadow-md);
}
.hero__visual h4 {
  margin-bottom: var(--s-2);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--c-accent-2);
}
.hero__list { list-style: none; padding: 0; margin: 0; }
.hero__list li {
  display: flex;
  gap: 0.7rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--c-line);
  font-size: 0.97rem;
  color: var(--c-ink-soft);
}
.hero__list li:last-child { border-bottom: 0; padding-bottom: 0; }
.hero__list li::before {
  content: "";
  flex: 0 0 auto;
  margin-top: 0.55rem;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--c-primary);
}

@media (max-width: 880px) {
  .hero__inner { grid-template-columns: 1fr; gap: var(--s-4); }
}

/* ---------- Service cards ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-3);
}
@media (max-width: 980px) { .cards { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .cards { grid-template-columns: 1fr; } }

.card {
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  padding: var(--s-4);
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: #c8bea9;
}
.card__num {
  display: inline-block;
  font-family: var(--f-serif);
  font-size: 0.85rem;
  color: var(--c-accent-2);
  margin-bottom: var(--s-2);
  letter-spacing: 0.1em;
}
.card h3 { margin-bottom: 0.6rem; font-family: var(--f-serif); font-weight: 500; font-size: 1.4rem; }
.card p  { color: var(--c-ink-soft); margin: 0; font-size: 0.97rem; }
.card ul { list-style: none; padding: 0; margin: var(--s-2) 0 0; }
.card ul li {
  font-size: 0.92rem;
  color: var(--c-muted);
  padding: 0.25rem 0;
}
.card a.card__more {
  display: inline-block;
  margin-top: var(--s-2);
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--c-primary);
}
.card a.card__more::after { content: " →"; }

/* ---------- Two-column content ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-5);
  align-items: start;
}
@media (max-width: 880px) { .split { grid-template-columns: 1fr; gap: var(--s-4); } }

.checklist { list-style: none; padding: 0; margin: 0; }
.checklist li {
  position: relative;
  padding: 0.55rem 0 0.55rem 1.6rem;
  border-bottom: 1px solid var(--c-line);
  color: var(--c-ink-soft);
}
.checklist li:last-child { border-bottom: 0; }
.checklist li::before {
  content: "";
  position: absolute;
  left: 0; top: 1.05rem;
  width: 10px; height: 10px;
  border-left: 2px solid var(--c-primary);
  border-bottom: 2px solid var(--c-primary);
  transform: rotate(-45deg);
}
.section--dark .checklist li { color: #d9e2dc; border-bottom-color: rgba(255,255,255,.12); }
.section--dark .checklist li::before { border-color: var(--c-accent); }

/* ---------- Pain-point grid ---------- */
.pains {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--s-3) var(--s-4);
  margin-top: var(--s-3);
}
@media (max-width: 700px) { .pains { grid-template-columns: 1fr; } }
.pain {
  border-left: 3px solid var(--c-accent);
  padding: 0.4rem 0 0.4rem 1rem;
}
.pain h4 { margin: 0 0 0.25rem; }
.pain p  { margin: 0; color: var(--c-ink-soft); font-size: 0.95rem; }

/* ---------- Stat / quote bar ---------- */
.bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-4);
  padding: var(--s-4) 0;
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
  text-align: center;
}
@media (max-width: 700px) { .bar { grid-template-columns: 1fr; } }
.bar__item h3 {
  font-family: var(--f-serif);
  font-size: 1.6rem;
  margin: 0 0 0.25rem;
  color: var(--c-primary);
}
.bar__item p { margin: 0; color: var(--c-muted); font-size: 0.95rem; }

/* ---------- Process / steps ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--s-3);
  counter-reset: step;
}
@media (max-width: 980px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .steps { grid-template-columns: 1fr; } }
.step {
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  padding: var(--s-3);
  position: relative;
  counter-increment: step;
}
.step::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--f-serif);
  color: var(--c-accent-2);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
  display: block;
}
.step h4 { margin: 0 0 0.4rem; font-size: 1.05rem; }
.step p  { margin: 0; color: var(--c-ink-soft); font-size: 0.93rem; }

/* ---------- CTA strip ---------- */
.cta-strip {
  background: var(--c-primary);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: var(--s-5);
  display: grid;
  grid-template-columns: 1.5fr auto;
  gap: var(--s-3);
  align-items: center;
}
@media (max-width: 760px) { .cta-strip { grid-template-columns: 1fr; } }
.cta-strip h2 { color: #fff; margin: 0 0 0.5rem; }
.cta-strip p  { margin: 0; color: #d9e2dc; }

/* ---------- Footer ---------- */
.site-footer {
  background: #1a201d;
  color: #c8cfc9;
  padding: var(--s-6) 0 var(--s-4);
  font-size: 0.92rem;
}
.site-footer a { color: #e7d8b3; text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--s-4);
  margin-bottom: var(--s-4);
}
@media (max-width: 820px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-grid h4 {
  color: #fff;
  font-family: var(--f-sans);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin: 0 0 0.9rem;
}
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { padding: 0.25rem 0; }
.site-footer .legal {
  border-top: 1px solid #2c332f;
  padding-top: var(--s-3);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0.5rem;
  color: #8a918b;
  font-size: 0.85rem;
}

/* ---------- Page hero (interior pages) ---------- */
.page-hero {
  padding: var(--s-6) 0 var(--s-5);
  border-bottom: 1px solid var(--c-line);
}
.page-hero p.lead { max-width: 60ch; }

/* ---------- Definition list (services detail) ---------- */
.deflist {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: var(--s-3) var(--s-4);
  border-top: 1px solid var(--c-line);
  padding-top: var(--s-3);
  margin-top: var(--s-3);
}
@media (max-width: 720px) { .deflist { grid-template-columns: 1fr; } }
.deflist dt {
  font-family: var(--f-serif);
  font-weight: 500;
  color: var(--c-primary);
  font-size: 1.1rem;
}
.deflist dd { margin: 0; color: var(--c-ink-soft); }

/* ---------- Contact form ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-5);
}
@media (max-width: 820px) { .contact-grid { grid-template-columns: 1fr; } }

.form { display: grid; gap: var(--s-2); }
.form label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--c-ink);
}
.form input,
.form select,
.form textarea {
  font-family: inherit;
  font-size: 1rem;
  width: 100%;
  padding: 0.8rem 0.9rem;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-surface);
  color: var(--c-ink);
}
.form input:focus,
.form select:focus,
.form textarea:focus {
  outline: none;
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px rgba(45,74,62,.15);
}
.form textarea { min-height: 140px; resize: vertical; }
.form .row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-2);
}
@media (max-width: 600px) { .form .row { grid-template-columns: 1fr; } }
.form-note { font-size: 0.85rem; color: var(--c-muted); }

/* ---------- Misc ---------- */
.kicker {
  display: inline-block;
  background: var(--c-surface-2);
  border: 1px solid var(--c-line);
  color: var(--c-ink-soft);
  font-size: 0.82rem;
  padding: 0.3rem 0.65rem;
  border-radius: 100px;
  margin-bottom: var(--s-2);
}
.tag-list { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: var(--s-2); }
.tag-list span {
  background: var(--c-surface-2);
  border: 1px solid var(--c-line);
  padding: 0.25rem 0.6rem;
  border-radius: 100px;
  font-size: 0.82rem;
  color: var(--c-ink-soft);
}
hr.rule { border: 0; border-top: 1px solid var(--c-line); margin: var(--s-5) 0; }

.callout {
  background: var(--c-surface);
  border-left: 4px solid var(--c-accent);
  border-radius: var(--radius);
  padding: var(--s-3);
  color: var(--c-ink-soft);
}

/* Skip link for accessibility */
.skip-link {
  position: absolute;
  left: -999px; top: -999px;
}
.skip-link:focus {
  position: static;
  display: inline-block;
  padding: 0.6rem 0.9rem;
  background: var(--c-primary);
  color: #fff;
  text-decoration: none;
}