/* ChargePointSA — Chassis CSS
   Tokens + global components locked at v16 (per design spec §2).
   Loaded site-wide via inc/chassis-bootstrap.php.
   ────────────────────────────────────────────────────────────── */

:root {
  --ink:        #232A25;
  --ink-pure:   #000000;
  --paper:      #FFFFFF;
  --paper-warm: #FAFAF8;
  --paper-cool: #EFEEEC;
  --line:       rgba(35,42,37,0.10);
  --line-dark:  rgba(255,255,255,0.14);
  --mute:       rgba(35,42,37,0.60);
  --mute-low:   rgba(35,42,37,0.40);
  --mute-dark:  rgba(255,255,255,0.65);

  --red:        #DC2626;
  --red-dark:   #B91C1C;

  --r-pill:     9999px;
  --r-mega:     40px;
  --r-card:     20px;

  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --track-display:  -0.025em;
  --track-headline: -0.02em;
  --track-body:     -0.01em;

  --container-pad: max(24px, 4vw);
  --container-max: 1760px;
}

/* Reset baseline */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { background: var(--paper); color: var(--ink); font-family: var(--font); -webkit-font-smoothing: antialiased; font-size: 16px; line-height: 1.5; font-weight: 400; letter-spacing: var(--track-body); }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }
:focus-visible { outline: 2px solid var(--red); outline-offset: 2px; }

.wrap { max-width: var(--container-max); margin: 0 auto; padding: 0 var(--container-pad); }

/* Buttons */
.btn-mega {
  position: relative;
  display: inline-flex; align-items: center; justify-content: center;
  height: 56px; min-width: 160px;
  padding: 0 24px;
  border-radius: var(--r-mega);
  font-size: 16px; font-weight: 500;
  letter-spacing: var(--track-body);
  transition: padding 0.2s, background 0.2s, color 0.2s;
}
.btn-mega.filled-white { background: #fff; color: var(--ink); }
.btn-mega.filled-white:hover { background: var(--paper-warm); }
.btn-mega.filled-dark { background: var(--ink); color: #fff; }
.btn-mega.filled-dark:hover { background: var(--ink-pure); }
.btn-mega.filled-red { background: var(--red); color: #fff; }
.btn-mega.filled-red:hover { background: var(--red-dark); }
.btn-mega.outline { background: transparent; color: #fff; }
.btn-mega.outline::before {
  content: ""; position: absolute; inset: -1px;
  border-radius: var(--r-mega);
  border: 1px solid currentColor;
  transition: border-width 0.2s;
}
.btn-mega.outline:hover::before { border-width: 2px; }
.btn-mega.outline-dark { color: var(--ink); }
.btn-mega.sm { height: 40px; min-width: 0; padding: 0 18px; font-size: 14px; }

/* ─── Floating pill nav ─── */
.cp-nav-band {
  position: fixed; top: 12px; left: 0; right: 0; z-index: 50;
  padding: 0 var(--container-pad);
  pointer-events: none;
}
.cp-nav {
  position: relative;
  max-width: var(--container-max); margin: 0 auto;
  background: var(--paper); border-radius: var(--r-mega);
  height: 64px;
  display: flex; align-items: center;
  padding: 0 24px;
  pointer-events: auto;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
.cp-nav-logo {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 18px; font-weight: 600; letter-spacing: -0.02em;
  color: var(--ink);
}
.cp-nav-logo::before { content: ""; width: 8px; height: 8px; background: var(--red); border-radius: 50%; }
.cp-nav-items { display: none; list-style: none; gap: 28px; margin: 0 auto; align-items: center; }
@media (min-width: 1024px) { .cp-nav-items { display: flex; } }
.cp-nav-items > li { position: static; }
.cp-nav-items > li > a {
  font-size: 15px; font-weight: 500; color: var(--ink);
  padding: 22px 0;
  display: block;
  border-bottom: 2px solid transparent;
  transition: border-color 0.15s, color 0.15s;
}
.cp-nav-items > li > a:hover,
.cp-nav-items > li.is-active > a { border-bottom-color: var(--red); }
.cp-nav-right { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.cp-nav-icon-btn { width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; color: var(--ink); font-size: 16px; }
.cp-nav-icon-btn:hover { background: var(--paper-warm); }
.cp-nav-cta {
  background: var(--red); color: #fff;
  height: 40px; padding: 0 20px; border-radius: var(--r-mega);
  font-size: 14px; font-weight: 500;
  display: inline-flex; align-items: center;
  letter-spacing: var(--track-body);
}
.cp-nav-cta:hover { background: var(--red-dark); }

/* Mobile hamburger */
.cp-nav-burger { display: inline-flex; flex-direction: column; gap: 5px; padding: 8px 4px; background: transparent; border: none; cursor: pointer; }
@media (min-width: 1024px) { .cp-nav-burger { display: none; } }
.cp-nav-burger span { width: 22px; height: 2px; background: var(--ink); border-radius: 1px; transition: transform 0.3s, opacity 0.3s; }
.cp-nav-burger.is-open span:nth-child(1) { transform: rotate(45deg) translate(6px, 6px); }
.cp-nav-burger.is-open span:nth-child(2) { opacity: 0; }
.cp-nav-burger.is-open span:nth-child(3) { transform: rotate(-45deg) translate(6px, -6px); }

/* ─── Mega-menu (desktop) ─── */
.cp-megamenu {
  position: absolute; top: 100%; left: 0; right: 0;
  background: var(--paper); border-radius: 0 0 var(--r-mega) var(--r-mega);
  box-shadow: 0 12px 32px rgba(0,0,0,0.08);
  padding: 28px 40px 36px;
  opacity: 0; visibility: hidden; transform: translateY(-8px);
  transition: opacity 0.15s, visibility 0.15s, transform 0.15s;
  z-index: 60;
}
.cp-nav-items > li:hover > .cp-megamenu,
.cp-nav-items > li:focus-within > .cp-megamenu {
  opacity: 1; visibility: visible; transform: translateY(0);
  transition-delay: 0.15s;
}
.cp-megamenu-grid {
  display: grid; grid-template-columns: 1.1fr 1fr 1fr; gap: 48px;
  max-width: 1100px; margin: 0 auto;
}
.cp-megamenu-col h4 {
  font-size: 18px; font-weight: 600; color: var(--ink); margin-bottom: 8px;
  letter-spacing: var(--track-headline);
}
.cp-megamenu-col .lede { font-size: 13px; color: var(--mute); line-height: 1.55; margin-bottom: 14px; }
.cp-megamenu-col ul { list-style: none; }
.cp-megamenu-col li { margin-bottom: 6px; }
.cp-megamenu-col li a { font-size: 14px; color: var(--ink); }
.cp-megamenu-col li a:hover { color: var(--red); }
.cp-megamenu-col .more {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 500; color: var(--ink);
  border-bottom: 1px solid var(--ink); padding-bottom: 2px;
}
.cp-megamenu-col .more::after { content: "→"; }
.cp-megamenu-col .featured {
  display: block;
  aspect-ratio: 4/3;
  background-size: cover; background-position: center;
  background-color: var(--ink);
  border-radius: var(--r-card);
  position: relative;
  overflow: hidden;
}
.cp-megamenu-col .featured::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(0,0,0,0.5) 0%, transparent 60%);
}
.cp-megamenu-col .featured .label {
  position: absolute; bottom: 16px; left: 18px; right: 18px; z-index: 2;
  color: #fff; font-size: 14px; font-weight: 500; letter-spacing: var(--track-headline);
}

/* ─── Mobile mega-menu (drawer) ─── */
.cp-mobile-drawer {
  position: fixed; inset: 0; z-index: 49;
  background: var(--paper-warm);
  padding: 88px var(--container-pad) 24px;
  overflow-y: auto;
  transform: translateY(-100%); opacity: 0; visibility: hidden;
  transition: transform 0.3s cubic-bezier(0.4,0,0.2,1), opacity 0.3s, visibility 0.3s;
}
.cp-mobile-drawer.is-open { transform: translateY(0); opacity: 1; visibility: visible; }
.cp-mobile-drawer details { border-bottom: 1px solid var(--line); padding: 16px 0; }
.cp-mobile-drawer details summary { list-style: none; cursor: pointer; font-size: 18px; font-weight: 500; color: var(--ink); display: flex; justify-content: space-between; align-items: center; }
.cp-mobile-drawer details summary::-webkit-details-marker { display: none; }
.cp-mobile-drawer details summary::after { content: "+"; font-size: 24px; font-weight: 300; color: var(--mute); transition: transform 0.2s; }
.cp-mobile-drawer details[open] summary::after { content: "–"; }
.cp-mobile-drawer details ul { list-style: none; padding-top: 12px; }
.cp-mobile-drawer details li { padding: 6px 0; }
.cp-mobile-drawer details li a { font-size: 14px; color: var(--mute); }

/* ─── Footer ─── */
.cp-footer { background: var(--paper); padding: 64px 0 40px; border-top: 1px solid var(--line); }
.cp-footer-grid { display: grid; gap: 40px; grid-template-columns: 1fr; padding: 0 var(--container-pad); max-width: var(--container-max); margin: 0 auto; }
@media (min-width: 768px) { .cp-footer-grid { grid-template-columns: 2fr repeat(3, 1fr); gap: 56px; } }
.cp-footer-col h6 { font-size: 12px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--mute); margin-bottom: 18px; }
.cp-footer-col ul { list-style: none; display: grid; gap: 12px; }
.cp-footer-col a { font-size: 15px; color: var(--ink); font-weight: 400; }
.cp-footer-col a:hover { color: var(--red); }
.cp-footer-brand { display: inline-flex; align-items: center; gap: 10px; font-size: 18px; font-weight: 600; letter-spacing: -0.02em; color: var(--ink); margin-bottom: 16px; }
.cp-footer-brand::before { content: ""; width: 8px; height: 8px; background: var(--red); border-radius: 50%; }
.cp-footer-promise { font-size: 14px; color: var(--mute); line-height: 1.6; max-width: 320px; }
.cp-footer-meta { margin-top: 56px; padding: 24px var(--container-pad) 0; border-top: 1px solid var(--line); max-width: var(--container-max); margin-left: auto; margin-right: auto; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 13px; color: var(--mute); }

/* ─── Accessibility: honor reduced-motion preference ─── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}