/* =====================================================================
   MapMy.City — Corporate-White Page Design System
   Shared by: about.html, faq.html, support.html, contact.html
   (NOT used by index.html)
   Goals: corporate white, map-themed, lightweight scroll effects,
   smooth on low-end hardware (transform/opacity only, no blur loops).
   ===================================================================== */

:root {
  --mmc-ink: #0f172a;        /* primary text */
  --mmc-ink-2: #334155;      /* secondary text */
  --mmc-muted: #64748b;      /* muted text */
  --mmc-line: #e3e8ef;       /* hairlines/borders */
  --mmc-line-2: #eef2f7;
  --mmc-bg: #ffffff;
  --mmc-bg-2: #f6f9fc;       /* page background */
  --mmc-bg-3: #f0f4fa;
  --mmc-blue: #2563eb;
  --mmc-blue-d: #1d4ed8;
  --mmc-blue-soft: #eaf1ff;
  --mmc-green: #16a34a;
  --mmc-green-soft: #e7f7ee;
  --mmc-amber: #d97706;
  --mmc-violet: #7c3aed;
  --mmc-radius: 16px;
  --mmc-radius-sm: 10px;
  --mmc-shadow: 0 1px 2px rgba(15,23,42,.04), 0 8px 24px rgba(15,23,42,.06);
  --mmc-shadow-lg: 0 12px 40px rgba(15,23,42,.10);
  --mmc-wrap: 1120px;
  --mmc-header-h: 70px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body.mmc-pages {
  margin: 0;
  font-family: "Inter", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, Helvetica, Arial, sans-serif;
  color: var(--mmc-ink);
  background-color: var(--mmc-bg-2);
  /* Lightweight static map-grid backdrop — no animation, cheap to paint */
  background-image:
    linear-gradient(rgba(37,99,235,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37,99,235,.035) 1px, transparent 1px);
  background-size: 40px 40px, 40px 40px;
  background-position: -1px -1px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  line-height: 1.6;
}

a { color: var(--mmc-blue); text-decoration: none; }
a:hover { color: var(--mmc-blue-d); }

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

/* ---------------------------------------------------------------- Scroll progress bar */
.mmc-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  z-index: 200;
  background: linear-gradient(90deg, var(--mmc-blue), var(--mmc-green));
  transition: width .08s linear;
  will-change: width;
}

/* ---------------------------------------------------------------- Header */
.mmc-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.92);
  border-bottom: 1px solid var(--mmc-line);
  transition: box-shadow .25s ease, background .25s ease;
}
.mmc-header.is-stuck {
  box-shadow: 0 6px 24px rgba(15,23,42,.07);
  background: rgba(255,255,255,.97);
}
.mmc-header-inner {
  max-width: var(--mmc-wrap);
  margin: 0 auto;
  padding: .65rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}
.mmc-brand {
  display: flex;
  align-items: center;
  gap: .7rem;
  text-decoration: none;
}
.mmc-logo {
  width: 42px;
  height: 42px;
  border-radius: 11px;
  border: 1px solid var(--mmc-line);
  background: #fff;
  padding: 4px;
  object-fit: contain;
  flex-shrink: 0;
}
.mmc-brand-title {
  margin: 0;
  font-size: 1.18rem;
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--mmc-ink);
}
.mmc-brand-tagline {
  margin: 0;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--mmc-muted);
  text-transform: uppercase;
}
.mmc-header-spacer { flex: 1 1 auto; }

.mmc-stats {
  display: flex;
  gap: .4rem;
}
.mmc-stat {
  text-align: center;
  padding: .25rem .65rem;
  border-radius: 10px;
  border: 1px solid var(--mmc-line);
  background: var(--mmc-bg);
  line-height: 1.15;
}
.mmc-stat .n { display: block; font-size: .92rem; font-weight: 800; color: var(--mmc-blue); }
.mmc-stat .l { display: block; font-size: .6rem; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; color: var(--mmc-muted); }

.mmc-nav {
  display: flex;
  align-items: center;
  gap: .15rem;
  flex-wrap: wrap;
}
.mmc-nav a {
  font-size: .85rem;
  font-weight: 600;
  color: var(--mmc-ink-2);
  padding: .45rem .8rem;
  border-radius: 8px;
  transition: background .18s ease, color .18s ease;
}
.mmc-nav a:hover { background: var(--mmc-bg-3); color: var(--mmc-ink); }
.mmc-nav a.active { color: var(--mmc-blue); background: var(--mmc-blue-soft); }

/* ---------------------------------------------------------------- Hero */
.mmc-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--mmc-line);
  background:
    radial-gradient(900px 360px at 80% -10%, rgba(22,163,74,.10), transparent 60%),
    radial-gradient(900px 420px at 12% 0%, rgba(37,99,235,.12), transparent 60%),
    linear-gradient(180deg, #ffffff 0%, #f6f9fc 100%);
}
.mmc-hero::before {
  /* faint contour / map grid lines — static, GPU-cheap */
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(37,99,235,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37,99,235,.05) 1px, transparent 1px);
  background-size: 46px 46px, 46px 46px;
  -webkit-mask-image: radial-gradient(70% 80% at 50% 0%, #000 40%, transparent 100%);
  mask-image: radial-gradient(70% 80% at 50% 0%, #000 40%, transparent 100%);
  pointer-events: none;
}
.mmc-hero-inner {
  position: relative;
  max-width: var(--mmc-wrap);
  margin: 0 auto;
  padding: 4rem 1.5rem 3.25rem;
  text-align: center;
}
.mmc-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--mmc-blue-d);
  background: var(--mmc-blue-soft);
  border: 1px solid #d7e4ff;
  padding: .35rem .85rem;
  border-radius: 999px;
  margin-bottom: 1.1rem;
}
.mmc-eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--mmc-green); }
.mmc-hero h1 {
  margin: 0 auto .9rem;
  font-size: clamp(2rem, 4.5vw, 3.1rem);
  line-height: 1.08;
  font-weight: 850;
  letter-spacing: -.025em;
  color: var(--mmc-ink);
  max-width: 14ch;
}
.mmc-hero h1 .grad {
  background: linear-gradient(90deg, var(--mmc-blue), var(--mmc-green));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.mmc-hero p.lead {
  margin: 0 auto;
  max-width: 60ch;
  font-size: 1.08rem;
  color: var(--mmc-ink-2);
}
.mmc-hero-actions {
  margin-top: 1.6rem;
  display: flex;
  gap: .75rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------------------------------------------------------------- Layout */
.mmc-wrap {
  max-width: var(--mmc-wrap);
  margin: 0 auto;
  padding: 0 1.5rem;
}
.mmc-section { padding: 3.25rem 0; }
.mmc-section + .mmc-section { border-top: 1px solid var(--mmc-line-2); }
.mmc-section-head {
  max-width: 720px;
  margin: 0 0 1.75rem;
}
.mmc-section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.mmc-kicker {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--mmc-blue);
  margin-bottom: .6rem;
}
.mmc-section-head h2 {
  margin: 0 0 .55rem;
  font-size: clamp(1.5rem, 2.6vw, 2.05rem);
  font-weight: 820;
  letter-spacing: -.02em;
  color: var(--mmc-ink);
}
.mmc-section-head p {
  margin: 0;
  font-size: 1.02rem;
  color: var(--mmc-muted);
}

/* ---------------------------------------------------------------- Buttons */
.mmc-btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: .92rem;
  font-weight: 700;
  padding: .72rem 1.5rem;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
  text-decoration: none;
}
.mmc-btn:active { transform: translateY(1px); }
.mmc-btn-primary {
  background: linear-gradient(180deg, var(--mmc-blue), var(--mmc-blue-d));
  color: #fff;
  box-shadow: 0 6px 18px rgba(37,99,235,.25);
}
.mmc-btn-primary:hover { color: #fff; box-shadow: 0 10px 26px rgba(37,99,235,.32); }
.mmc-btn-ghost {
  background: #fff;
  color: var(--mmc-ink);
  border-color: var(--mmc-line);
  box-shadow: var(--mmc-shadow);
}
.mmc-btn-ghost:hover { color: var(--mmc-ink); border-color: #cdd7e5; }

/* ---------------------------------------------------------------- Cards / grids */
.mmc-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
}
.mmc-card {
  background: var(--mmc-bg);
  border: 1px solid var(--mmc-line);
  border-radius: var(--mmc-radius);
  padding: 1.25rem 1.3rem;
  box-shadow: var(--mmc-shadow);
  transition: transform .18s ease, box-shadow .2s ease, border-color .2s ease;
}
.mmc-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--mmc-shadow-lg);
  border-color: #d7e1ee;
}

/* Feature card (icon + title + text) */
.mmc-feat {
  display: flex;
  gap: .9rem;
  align-items: flex-start;
}
.mmc-feat .ic {
  width: 42px; height: 42px;
  border-radius: 11px;
  display: flex; align-items: center; justify-content: center;
  background: var(--mmc-blue-soft);
  border: 1px solid #dbe6ff;
  flex-shrink: 0;
}
.mmc-feat .ic svg { display: block; }
.mmc-feat .bd strong {
  display: block;
  font-size: .96rem;
  font-weight: 750;
  color: var(--mmc-ink);
  margin-bottom: .25rem;
}
.mmc-feat .bd span {
  font-size: .86rem;
  color: var(--mmc-muted);
  line-height: 1.55;
}
.mmc-card.is-accent {
  background: linear-gradient(180deg, #fff, var(--mmc-blue-soft));
  border-color: #d7e4ff;
}

/* ---------------------------------------------------------------- Footer */
.mmc-footer {
  background: var(--mmc-ink);
  color: #cbd5e1;
  margin-top: 2rem;
}
.mmc-footer-inner {
  max-width: var(--mmc-wrap);
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
  text-align: center;
}
.mmc-footer-brand {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  margin-bottom: 1.1rem;
}
.mmc-footer-brand img { width: 34px; height: 34px; border-radius: 9px; background: #fff; padding: 3px; }
.mmc-footer-brand span { font-weight: 800; color: #fff; font-size: 1.05rem; letter-spacing: -.01em; }
.mmc-footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .35rem 1.5rem;
  margin-bottom: 1.25rem;
}
.mmc-footer-links a {
  font-size: .85rem;
  color: #cbd5e1;
  font-weight: 500;
}
.mmc-footer-links a:hover { color: #fff; }
.mmc-footer-copy {
  font-size: .8rem;
  color: #94a3b8;
  border-top: 1px solid rgba(255,255,255,.08);
  padding-top: 1.25rem;
}

/* ---------------------------------------------------------------- Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .55s cubic-bezier(.22,.61,.36,1), transform .55s cubic-bezier(.22,.61,.36,1);
  will-change: opacity, transform;
}
.reveal.in {
  opacity: 1;
  transform: none;
}
/* light stagger for grids */
.reveal[data-delay="1"] { transition-delay: .06s; }
.reveal[data-delay="2"] { transition-delay: .12s; }
.reveal[data-delay="3"] { transition-delay: .18s; }
.reveal[data-delay="4"] { transition-delay: .24s; }

/* ---------------------------------------------------------------- Responsive */
@media (max-width: 980px) {
  .mmc-stats { display: none; }
}
@media (max-width: 760px) {
  .mmc-header-inner { gap: .5rem; }
  .mmc-nav { width: 100%; justify-content: flex-start; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .mmc-nav a { white-space: nowrap; }
  .mmc-hero-inner { padding: 2.75rem 1.25rem 2.25rem; }
  .mmc-section { padding: 2.5rem 0; }
}

/* ---------------------------------------------------------------- Reduced motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .mmc-card, .mmc-btn { transition: none; }
  .mmc-progress { transition: none; }
}