/* ==========================================================================
   Surpath — shared stylesheet
   Single source of CSS for all pages. Values mirror style/style.md.
   When adding new patterns, document them in style/style.md first.
   ========================================================================== */

/* ---------- Design tokens (color variables — see style.md › Brand Colors) ---------- */
:root {
  /* Core brand */
  --color-primary:        #2C4F5C; /* nav text/wordmark, hero, spec bar, CTA band */
  --color-lime:           #A8D44F; /* slogan, accent, stats numbers, lime button */
  --color-mid-teal:       #4A9E8E; /* eyebrow, logo mark, flow arrows */

  /* Surfaces */
  --color-nav-bg:         #F2F2F2;
  --color-section-white:  #ffffff;
  --color-section-sage:   #F5F9F0; /* alternate section + card background */
  --color-card-bg:        #F5F9F0;
  --color-card-border:    #d4e8c8;
  --color-deep:           #1e3a45; /* stats bar + footer background */

  /* Text */
  --color-text:           #1E1E1E; /* body text */
  --color-text-secondary: #555;    /* body text secondary */
  --color-nav-link:       #444;
  --color-white:          #fff;
  --color-text-on-dark:   #c8dde3; /* hero body, spec text, CTA band body */
  --color-text-muted:     #7aabb8; /* stats labels, footer text */
  --color-footnote:       #888;
  --color-icon:           #3a6b1a; /* card icons */

  /* Lines / overlays */
  --color-divider:        rgba(255,255,255,0.08); /* stat dividers */
  --color-ghost-border:   rgba(255,255,255,0.35); /* ghost button border */
}

/* ---------- Reset & Base ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Avenir', 'Avenir Next', 'Nunito', sans-serif;
  color: var(--color-text);
  background: var(--color-section-white);
}
a { text-decoration: none; }

/* ---------- Typography ---------- */
/* Type scale is applied per component below; see style.md › Typography. */

/* ---------- Buttons (style.md › Buttons) ---------- */
.btn {
  display: inline-block;
  border-radius: 6px;
  padding: 11px 24px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: none;
}
.btn-dark    { background: var(--color-primary); color: var(--color-white); }
.btn-lime    { background: var(--color-lime); color: var(--color-primary); }
.btn-ghost   { background: transparent; border: 1px solid var(--color-ghost-border); color: var(--color-white); }
.btn-outline { background: transparent; border: 1.5px solid var(--color-primary); color: var(--color-primary); }
/* Hover states: PLACEHOLDER in style.md — intentionally not styled. */

/* ---------- Navigation (style.md › Navigation) ---------- */
.nav {
  background: var(--color-nav-bg);
  padding: 14px 0;
  position: relative;
}
.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-brand { display: flex; align-items: center; gap: 8px; }
.nav-icon { width: 32px; height: 32px; border-radius: 6px; display: block; }
.nav-wordmark { color: var(--color-primary); font-size: 16px; font-weight: 600; }
.nav-menu { display: flex; align-items: center; gap: 20px; }
.nav-link {
  font-size: 13px;
  font-weight: 400;
  color: var(--color-nav-link);
}
.nav-link:hover {
  text-decoration: underline;
  text-decoration-color: var(--color-lime);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}
.nav-link.active {
  color: var(--color-primary);
  font-weight: 500;
  text-decoration: underline;
  text-decoration-color: var(--color-lime);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}
.nav-cta {
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: 5px;
  padding: 7px 16px;
  font-size: 13px;
}
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-primary);
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}

/* ---------- Hero (style.md › Hero Section) ---------- */
.hero {
  background: var(--color-primary);
  padding: 52px 0;
  color: var(--color-white);
}
.hero-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 28px;
}
.hero-slogan {
  color: var(--color-lime);
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 14px;
}
.hero-eyebrow {
  color: var(--color-mid-teal);
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}
.hero h1 {
  font-size: 28px;
  font-weight: 500;
  line-height: 1.3;
  margin-bottom: 16px;
}
.hero h1 .accent { color: var(--color-lime); }
.hero-body {
  color: var(--color-text-on-dark);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.7;
  max-width: 500px;
  margin-bottom: 24px;
}
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- Stats Bar (style.md › Stats Bar) ---------- */
.stats {
  background: var(--color-deep);
}
.stats-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  width: 100%;
}
.stat {
  flex: 1;
  padding: 16px 18px;
  text-align: center;
}
.stat + .stat { border-left: 0.5px solid var(--color-divider); }
.stat-number {
  font-size: 22px;
  font-weight: 500;
  color: var(--color-lime);
  margin-bottom: 2px;
}
.stat-label {
  font-size: 11px;
  font-weight: 400;
  color: var(--color-text-muted);
  line-height: 1.4;
}

/* ---------- Container (style.md › Layout) ---------- */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 28px;
  width: 100%;
}

/* ---------- Sections (style.md › Section Layout / Layout) ---------- */
.section { padding: 40px 0; }
.section-white { background: var(--color-section-white); }
.section-sage  { background: var(--color-section-sage); }
.eyebrow {
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-mid-teal);
  margin-bottom: 8px;
}
.section-title {
  font-size: 21px;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 8px;
}
.section-subtitle {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: 28px;
}

/* ---------- Cards — Why Surpath (style.md › Cards) ---------- */
.card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.card {
  background: var(--color-card-bg);
  border: 0.5px solid var(--color-card-border);
  border-radius: 8px;
  padding: 20px;
}
.card i {
  font-size: 20px;
  color: var(--color-icon);
  display: block;
  margin-bottom: 10px;
}
.card-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 6px;
}
.card-body {
  font-size: 13px;
  font-weight: 400;
  color: var(--color-text-secondary);
  line-height: 1.6;
}
.card-footnote {
  font-size: 11px;
  color: var(--color-footnote);
  margin-top: 6px;
}

/* ---------- Service Lifecycle (style.md › Service Lifecycle Flow) ---------- */
.flow { display: flex; align-items: stretch; }
.flow-card {
  flex: 1;
  background: var(--color-white);
  border: 0.5px solid var(--color-card-border);
  border-radius: 8px;
  padding: 20px 16px;
  text-align: center;
  position: relative;
}
.flow-card:not(:last-child)::after {
  content: "\2192";
  color: var(--color-mid-teal);
  font-size: 14px;
  position: absolute;
  right: -7px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1;
}
.flow-emoji { font-size: 22px; margin-bottom: 8px; }
.flow-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 4px;
}
.flow-body {
  font-size: 12px;
  font-weight: 400;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* Text link (reuses style.md nav underline treatment) */
.text-link { color: var(--color-primary); font-size: 14px; font-weight: 500; }
.text-link:hover {
  text-decoration: underline;
  text-decoration-color: var(--color-lime);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}
.services-link { text-align: center; padding-top: 24px; }

/* ---------- Spec Bar (style.md › Spec Bar) ---------- */
.spec-bar {
  background: var(--color-primary);
  padding: 14px 28px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
.spec-item {
  display: flex;
  align-items: center;
  font-size: 12px;
  color: var(--color-text-on-dark);
}
.spec-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-lime);
  margin-right: 6px;
  flex-shrink: 0;
}

/* ---------- Stats Footnote ---------- */
.stats-footnote {
  background: var(--color-deep);
  text-align: center;
  font-size: 11px;
  color: var(--color-footnote);
  padding: 6px 28px 10px;
  margin: 0;
}
.stats-footnote a {
  color: var(--color-footnote);
  text-decoration: underline;
}

/* ---------- Service Image Cards ---------- */
.service-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 2rem;
}
.service-card {
  border-radius: 12px;
  overflow: hidden;
  background: var(--color-white);
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}
.service-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  object-position: center;
  display: block;
}
.service-card:nth-child(3) img {
  object-position: center 40%;
}
.service-card-body {
  padding: 14px 16px;
}
.service-card-title {
  font-size: 15px;
  font-weight: 600;
  margin: 0 0 4px;
  color: var(--color-text);
}
.service-card-sub {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin: 0;
}

/* ---------- See All Services Link ---------- */
.services-see-all {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 500;
}
.see-all-arrow {
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
}

/* ---------- CTA Band (style.md › CTA Band) ---------- */
.cta-band {
  background: var(--color-primary);
  padding: 40px 0;
}
.cta-band-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 28px;
  text-align: center;
}
.cta-band h2 {
  font-size: 21px;
  font-weight: 500;
  color: var(--color-white);
  margin-bottom: 8px;
}
.cta-band p {
  font-size: 14px;
  color: var(--color-text-on-dark);
  margin-bottom: 20px;
}

/* ---------- Footer (style.md › Footer) ---------- */
.footer {
  background: var(--color-deep);
  padding: 16px 0;
}
.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 28px;
  text-align: center;
}
.footer p { font-size: 12px; color: var(--color-text-muted); }

/* ---------- Utilities ---------- */
/* (none yet — reserved for shared helper classes) */

/* ---------- Mobile — max-width 768px ---------- */
@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--color-nav-bg);
    z-index: 10;
  }
  .nav-menu.open { display: flex; }
  .nav-menu .nav-link,
  .nav-menu .nav-cta {
    display: block;
    width: 100%;
    padding: 16px;
  }
  .nav-cta { border-radius: 0; text-align: left; }

  .nav-inner,
  .hero-inner,
  .container,
  .cta-band-inner,
  .footer-inner { padding: 0 16px; }

  .stats-inner { flex-wrap: wrap; }
  .stat { flex: 1 1 33.33%; }
  .stat:nth-child(odd)  { border-left: none; }
  .stat:nth-child(n+3)  { border-top: 0.5px solid var(--color-divider); }

  .card-grid { grid-template-columns: 1fr; }
  .service-cards { grid-template-columns: 1fr; }

  .flow { flex-direction: column; }
  .flow-card:not(:last-child)::after {
    right: 50%;
    top: auto;
    bottom: -10px;
    transform: translateX(50%) rotate(90deg);
  }
}