/* Priority Charging — Marketing Site */
:root {
  --brand: #82B1D3;
  --brand-dark: #5A94BA;
  --brand-deeper: #3D7A9E;
  --brand-soft: #E8F3F9;
  --brand-softer: #F4F9FC;
  --ink: #1A2B3C;
  --ink-muted: #5A6B7C;
  --ink-light: #8A9BAC;
  --white: #FFFFFF;
  --border: #D6E4EE;
  --shadow: 0 4px 24px rgba(26, 43, 60, 0.08);
  --shadow-lg: 0 12px 40px rgba(26, 43, 60, 0.12);
  --radius: 12px;
  --radius-lg: 20px;
  --font: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --max: 1120px;
  --header-h: 72px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--brand-deeper); text-decoration: none; }
a:hover { color: var(--brand-dark); }
ul { list-style: none; }

.container {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

/* —— Header —— */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  height: var(--header-h);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 1rem;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--ink);
  flex-shrink: 0;
}

.logo-link:hover { color: var(--ink); }

.logo-img {
  height: 52px;
  width: auto;
  border: none;
  outline: none;
  box-shadow: none;
  background: transparent;
}

.logo-wordmark {
  display: none; /* full logo PNG already includes wordmark */
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--brand-deeper);
  line-height: 1.15;
}

.logo-wordmark span { display: block; font-size: 0.78rem; font-weight: 600; color: var(--brand); }

.nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav a {
  color: var(--ink-muted);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  transition: color 0.15s, background 0.15s;
}

.nav a:hover,
.nav a.active {
  color: var(--brand-deeper);
  background: var(--brand-soft);
}

.nav-cta {
  margin-left: 0.5rem !important;
  background: var(--brand) !important;
  color: var(--white) !important;
  padding: 0.55rem 1.1rem !important;
  border-radius: 999px !important;
  font-weight: 600 !important;
}

.nav-cta:hover {
  background: var(--brand-dark) !important;
  color: var(--white) !important;
}

.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.45rem 0.6rem;
  cursor: pointer;
  color: var(--ink);
}

.menu-toggle svg { display: block; width: 22px; height: 22px; }

/* —— Buttons —— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  font-family: inherit;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.8rem 1.5rem;
  border-radius: 999px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s, transform 0.15s;
  text-decoration: none;
}

.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--brand); color: var(--white); }
.btn-primary:hover { background: var(--brand-dark); color: var(--white); }
.btn-secondary {
  background: transparent;
  color: var(--brand-deeper);
  border-color: var(--brand);
}
.btn-secondary:hover {
  background: var(--brand-soft);
  color: var(--brand-deeper);
}
.btn-white {
  background: var(--white);
  color: var(--brand-deeper);
}
.btn-white:hover { background: var(--brand-soft); color: var(--brand-deeper); }
.btn-group { display: flex; flex-wrap: wrap; gap: 0.75rem; }

/* —— Hero —— */
.hero {
  position: relative;
  padding: 4.5rem 0 5rem;
  background:
    radial-gradient(ellipse 80% 60% at 70% 20%, rgba(130, 177, 211, 0.25), transparent),
    radial-gradient(ellipse 50% 40% at 10% 80%, rgba(130, 177, 211, 0.12), transparent),
    linear-gradient(180deg, var(--brand-softer) 0%, var(--white) 100%);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--white);
  border: 1px solid var(--border);
  color: var(--brand-deeper);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow);
}

.hero h1 {
  font-size: clamp(2rem, 4.5vw, 3.15rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 1.1rem;
  color: var(--ink);
}

.hero h1 .accent { color: var(--brand-deeper); }

.hero-lead {
  font-size: 1.125rem;
  color: var(--ink-muted);
  max-width: 34rem;
  margin-bottom: 1.75rem;
}

.hero-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-lg);
}

.hero-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--brand-deeper);
}

.stat-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.stat {
  background: var(--brand-softer);
  border-radius: var(--radius);
  padding: 1rem;
  text-align: center;
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--brand-deeper);
  line-height: 1.2;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--ink-muted);
  font-weight: 500;
  margin-top: 0.2rem;
}

.hero-note {
  margin-top: 1rem;
  font-size: 0.8rem;
  color: var(--ink-light);
  text-align: center;
}

/* —— Sections —— */
.section { padding: 4.5rem 0; }
.section-alt { background: var(--brand-softer); }
.section-brand {
  background: linear-gradient(135deg, var(--brand-deeper) 0%, var(--brand) 100%);
  color: var(--white);
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 2.75rem;
}

.section-header .eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--brand-deeper);
  margin-bottom: 0.6rem;
}

.section-brand .section-header .eyebrow { color: rgba(255,255,255,0.85); }

.section-header h2 {
  font-size: clamp(1.65rem, 3vw, 2.25rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
  line-height: 1.2;
}

.section-header p {
  color: var(--ink-muted);
  font-size: 1.05rem;
}

.section-brand .section-header p { color: rgba(255,255,255,0.9); }

/* —— Cards / grid —— */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--brand-soft);
  color: var(--brand-deeper);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.1rem;
}

.card-icon svg { width: 24px; height: 24px; }

.card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.card p { color: var(--ink-muted); font-size: 0.95rem; }

/* —— Split layout —— */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.split-content h2 {
  font-size: clamp(1.5rem, 2.8vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  line-height: 1.25;
}

.split-content .eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--brand-deeper);
  margin-bottom: 0.6rem;
}

.split-content p {
  color: var(--ink-muted);
  margin-bottom: 1rem;
}

.checklist { margin: 1.25rem 0 1.75rem; }

.checklist li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.55rem 0;
  color: var(--ink);
  font-weight: 500;
  font-size: 0.95rem;
}

.checklist li svg {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  color: var(--brand-deeper);
  margin-top: 1px;
}

.panel {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow);
}

.panel-brand {
  background: linear-gradient(160deg, var(--brand-deeper), var(--brand));
  color: var(--white);
  border: none;
}

.panel h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.panel-list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.2);
  font-size: 0.95rem;
}

.panel-list li:last-child { border-bottom: none; }
.panel-list .label { opacity: 0.9; }
.panel-list .value { font-weight: 700; }

.panel-muted {
  background: var(--brand-softer);
  border: 1px solid var(--border);
}

.panel-muted .panel-list li {
  border-bottom-color: var(--border);
}

/* —— Steps —— */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  counter-reset: step;
}

.step {
  position: relative;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  text-align: center;
}

.step-num {
  width: 40px;
  height: 40px;
  margin: 0 auto 1rem;
  border-radius: 50%;
  background: var(--brand);
  color: var(--white);
  font-weight: 800;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.step p {
  font-size: 0.875rem;
  color: var(--ink-muted);
}

/* —— Page hero (inner pages) —— */
.page-hero {
  padding: 3.5rem 0 2.5rem;
  background: linear-gradient(180deg, var(--brand-softer), var(--white));
  border-bottom: 1px solid var(--border);
}

.page-hero h1 {
  font-size: clamp(1.85rem, 3.5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
  line-height: 1.2;
}

.page-hero p {
  font-size: 1.1rem;
  color: var(--ink-muted);
  max-width: 36rem;
}

.breadcrumb {
  font-size: 0.85rem;
  color: var(--ink-light);
  margin-bottom: 1rem;
}

.breadcrumb a { color: var(--brand-deeper); }

/* —— Contact form —— */
.form {
  display: grid;
  gap: 1.1rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.1rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--ink);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  font-family: inherit;
  font-size: 0.95rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--white);
  color: var(--ink);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(130, 177, 211, 0.25);
}

.form-group textarea { min-height: 120px; resize: vertical; }

.form-hint {
  font-size: 0.8rem;
  color: var(--ink-light);
  margin-top: 0.5rem;
}

.contact-aside {
  background: var(--brand-softer);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
}

.contact-aside h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.contact-aside p {
  color: var(--ink-muted);
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.contact-email {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--brand-deeper);
}

/* —— CTA band —— */
.cta-band {
  text-align: center;
  padding: 3.5rem 0;
}

.cta-band h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.cta-band p {
  opacity: 0.92;
  margin-bottom: 1.5rem;
  max-width: 480px;
  margin-inline: auto;
}

/* —— Footer —— */
.site-footer {
  background: var(--ink);
  color: rgba(255,255,255,0.75);
  padding: 3rem 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.footer-brand .logo-img {
  height: 48px;
  margin-bottom: 0.75rem;
  filter: brightness(1.15);
}

.footer-brand p {
  font-size: 0.9rem;
  max-width: 260px;
  line-height: 1.55;
}

.footer-col h4 {
  color: var(--white);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 1rem;
}

.footer-col a {
  display: block;
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
  padding: 0.3rem 0;
}

.footer-col a:hover { color: var(--brand); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
}

/* —— Utilities —— */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

.text-center { text-align: center; }
.mt-2 { margin-top: 2rem; }

/* —— Responsive —— */
@media (max-width: 900px) {
  .hero-grid,
  .split,
  .footer-grid { grid-template-columns: 1fr; }
  .cards { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .footer-grid { gap: 1.75rem; }
  .logo-wordmark { display: none !important; }
}

@media (max-width: 720px) {
  .menu-toggle { display: block; }
  .nav {
    display: none;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: 0.75rem 1rem 1rem;
    box-shadow: var(--shadow);
  }
  .nav.open { display: flex; }
  .nav a { padding: 0.75rem 1rem; }
  .nav-cta { margin: 0.5rem 0 0 !important; text-align: center; }
  .steps { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .stat-row { grid-template-columns: 1fr 1fr; }
  .hero { padding: 3rem 0 3.5rem; }
  .section { padding: 3.25rem 0; }
}

@media (min-width: 721px) and (max-width: 900px) {
  .cards { grid-template-columns: 1fr 1fr; }
  .cards .card:last-child:nth-child(odd) { grid-column: 1 / -1; max-width: 50%; margin-inline: auto; }
}