/* MeterSense.io — Pulse marketing site */
:root {
  --blue: #1D4ED8;
  --blue-dark: #1e3a8a;
  --blue-soft: #dbeafe;
  --teal: #0f766e;
  --teal-dark: #115e59;
  --teal-soft: #ccfbf1;
  --navy: #0b1a30;
  --ink: #0f172a;
  --muted: #475569;
  --line: #e2e8f0;
  --bg: #f8fafc;
  --white: #ffffff;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 24px 60px rgba(15, 23, 42, 0.14);
  --max: 1240px;
  --font: "Inter", system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { width: min(100% - 2rem, var(--max)); margin-inline: auto; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  min-height: 80px;
  padding-block: 0.35rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--ink);
  font-weight: 700;
  font-size: 1.15rem;
  text-decoration: none;
}
.brand:hover { text-decoration: none; }
.brand img,
.brand-logo {
  width: auto;
  height: 40px;
  max-width: 200px;
}
.brand span .dot { color: var(--teal); font-weight: 600; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.35rem 1.65rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  color: var(--muted);
  font-weight: 500;
  font-size: 0.95rem;
  text-decoration: none;
  padding: 0.35rem 0;
}
.nav-links a:hover,
.nav-links a.active { color: var(--blue); }

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.nav-cta .btn {
  padding: 0.7rem 1.45rem;
  font-size: 1rem;
  min-height: 44px;
  white-space: nowrap;
  line-height: 1.2;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  border-radius: 999px;
  padding: 0.7rem 1.35rem;
  font-weight: 600;
  font-size: 0.95rem;
  min-height: 42px;
  white-space: nowrap;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none !important;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: linear-gradient(135deg, var(--blue), #2563eb 55%, var(--teal));
  color: white;
  box-shadow: 0 8px 20px rgba(29, 78, 216, 0.28);
}
.btn-primary:hover { box-shadow: 0 12px 28px rgba(29, 78, 216, 0.35); }
.btn-secondary {
  background: white;
  color: var(--blue-dark);
  border-color: #bfdbfe;
}
.btn-secondary:hover { background: var(--blue-soft); }
.btn-ghost {
  background: transparent;
  color: white;
  border-color: rgba(255,255,255,0.35);
}
.btn-ghost:hover { background: rgba(255,255,255,0.1); }
.btn-lg { padding: 0.9rem 1.45rem; font-size: 1rem; }

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: white;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  position: relative;
  border-radius: 2px;
}
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
}
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(900px 420px at 85% -10%, rgba(29,78,216,0.18), transparent 60%),
    radial-gradient(700px 380px at 0% 20%, rgba(15,118,110,0.14), transparent 55%),
    linear-gradient(180deg, #f8fbff 0%, #ffffff 100%);
  padding: 5rem 0 4rem;
}
.hero-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.2fr;
  gap: 2.75rem;
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: white;
  border: 1px solid var(--line);
  color: var(--teal-dark);
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  margin-bottom: 1.25rem;
}
.eyebrow .pulse {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 0 rgba(15,118,110,0.5);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(15,118,110,0.45); }
  70% { box-shadow: 0 0 0 10px rgba(15,118,110,0); }
  100% { box-shadow: 0 0 0 0 rgba(15,118,110,0); }
}
.hero h1 {
  margin: 0 0 1.25rem;
  font-size: clamp(2.1rem, 4vw, 3.2rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
}
.hero h1 .accent {
  background: linear-gradient(90deg, var(--blue), var(--teal));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lead {
  font-size: 1.175rem;
  line-height: 1.72;
  color: var(--muted);
  max-width: 38rem;
  margin: 0 0 2rem;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.85rem; margin-bottom: 2rem; }
.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem 1.75rem;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.5;
}
.trust-row strong { color: var(--ink); }

.hero-visual {
  position: relative;
}
.hero-card {
  background: white;
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.hero-card img {
  width: 100%;
  display: block;
}
.hero-float {
  position: absolute;
  left: 1rem;
  bottom: -0.5rem;
  background: white;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.95rem 1.1rem;
  box-shadow: var(--shadow);
  font-size: 0.9rem;
  line-height: 1.5;
  max-width: 240px;
}
.hero-float strong { display: block; color: var(--teal-dark); margin-bottom: 0.15rem; }

/* Sections */
section { padding: 4.25rem 0; }
.section-muted { background: var(--bg); }
.section-head {
  max-width: 40rem;
  margin-bottom: 2.25rem;
}
.section-head h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.section-head p { margin: 0; color: var(--muted); font-size: 1.05rem; }

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.card {
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.65rem;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.03);
}
.card h3 {
  margin: 0.85rem 0 0.6rem;
  font-size: 1.1rem;
}
.card p {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.65;
}
.icon-badge {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--blue-soft), var(--teal-soft));
  color: var(--blue-dark);
  font-size: 1.2rem;
}

.feature-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}
.feature-list li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 0.75rem;
  align-items: start;
  padding: 0.85rem 1rem;
  background: white;
  border: 1px solid var(--line);
  border-radius: 12px;
}
.feature-list .check {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--teal-soft); color: var(--teal-dark);
  display: grid; place-items: center; font-weight: 700; font-size: 0.85rem;
}

/* Steps */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  counter-reset: step;
}
.step {
  position: relative;
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.35rem;
}
.step::before {
  counter-increment: step;
  content: counter(step);
  display: inline-grid;
  place-items: center;
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--navy);
  color: white;
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 0.85rem;
}
.step h3 { margin: 0 0 0.45rem; font-size: 1.05rem; }
.step p { margin: 0; color: var(--muted); font-size: 0.95rem; }

/* CTA band */
.cta-band {
  background: linear-gradient(135deg, var(--navy) 0%, #123056 45%, #0f766e 140%);
  color: white;
  border-radius: 24px;
  padding: 2.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  box-shadow: var(--shadow-lg);
}
.cta-band h2 { margin: 0 0 0.4rem; font-size: 1.7rem; letter-spacing: -0.02em; }
.cta-band p { margin: 0; color: rgba(255,255,255,0.82); max-width: 36rem; }

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1.5rem;
}
.contact-card h3 { margin-top: 0; }
.contact-card dl {
  margin: 0;
  display: grid;
  gap: 1rem;
}
.contact-card dt {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 0.2rem;
}
.contact-card dd { margin: 0; font-weight: 600; }
.contact-card a { font-weight: 600; }

.map-note {
  background: linear-gradient(160deg, var(--blue-soft), var(--teal-soft));
  border-radius: var(--radius);
  padding: 1.5rem;
  border: 1px solid #c7e0f8;
}
.map-note h3 { margin-top: 0; }
.map-note p { color: var(--muted); }

/* Page hero (inner) */
.page-hero {
  padding: 3.25rem 0 2rem;
  background:
    radial-gradient(700px 280px at 100% 0%, rgba(29,78,216,0.12), transparent 60%),
    var(--bg);
  border-bottom: 1px solid var(--line);
}
.page-hero h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.9rem, 3.5vw, 2.6rem);
  letter-spacing: -0.02em;
}
.page-hero p {
  margin: 0;
  color: var(--muted);
  max-width: 40rem;
  font-size: 1.08rem;
}

/* Privacy */
.prose {
  max-width: 46rem;
}
.prose h2 { margin-top: 2rem; font-size: 1.25rem; }
.prose p, .prose li { color: var(--muted); }
.prose ul { padding-left: 1.2rem; }

/* Footer */
.site-footer {
  background: var(--navy);
  color: rgba(255,255,255,0.82);
  padding: 3rem 0 1.5rem;
  margin-top: 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: white;
  font-weight: 700;
  text-decoration: none;
  margin-bottom: 0.85rem;
}
.footer-brand:hover { text-decoration: none; }
.footer-brand img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
}
.site-footer h4 {
  margin: 0 0 0.85rem;
  color: white;
  font-size: 0.95rem;
}
.site-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}
.site-footer a { color: rgba(255,255,255,0.78); }
.site-footer a:hover { color: white; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.88rem;
}

/* Utilities */
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

@media (max-width: 900px) {
  .hero-grid, .contact-grid, .footer-grid { grid-template-columns: 1fr; }
  .grid-3, .steps { grid-template-columns: 1fr 1fr; }
  .hero-float { position: static; margin-top: 1rem; max-width: none; }
}
@media (max-width: 720px) {
  .nav-toggle { display: inline-flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: 80px;
    left: 0; right: 0;
    background: white;
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: stretch;
    padding: 0.75rem 1rem 1rem;
    gap: 0.15rem;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 0.7rem 0.4rem; }
  .nav-cta { width: 100%; margin-top: 0.5rem; }
  .nav-cta .btn { width: 100%; }
  .grid-3, .grid-2, .steps { grid-template-columns: 1fr; }
  .hero { padding-top: 2.75rem; }
  .cta-band { padding: 1.5rem; }
}

/* THEME: Deep navy utility (selected) */
/* B — Deep navy utility */
:root {
  --blue: #0ea5e9;
  --blue-dark: #0369a1;
  --blue-soft: #e0f2fe;
  --teal: #38bdf8;
  --teal-dark: #0284c7;
  --teal-soft: #e0f2fe;
  --navy: #020617;
  --ink: #0f172a;
  --muted: #334155;
  --bg: #f1f5f9;
}
.site-header { background: rgba(2,6,23,0.94); border-bottom-color: #1e293b; }
.site-header .brand, .site-header .nav-links a { color: #e2e8f0; }
.site-header .nav-links a:hover { color: #fff; }
.hero {
  background:
    radial-gradient(900px 420px at 12% -10%, rgba(14,165,233,0.22), transparent 55%),
    linear-gradient(180deg, #020617 0%, #0b1220 70%, #0f172a 100%);
  color: #f8fafc;
  padding-bottom: 4.5rem;
}
.hero .eyebrow {
  background: rgba(15, 23, 42, 0.85);
  border-color: #334155;
  color: #e2e8f0;
}
.hero .lead {
  color: #f1f5f9;
  font-size: 1.2rem;
  font-weight: 450;
  max-width: 36rem;
}
.hero h1 .accent { color: #38bdf8; background: none; -webkit-background-clip: unset; background-clip: unset; }
.btn-primary { background: #0ea5e9; border-color: #0ea5e9; color: #fff; }
.btn-primary:hover { background: #0284c7; }
.hero .btn-secondary {
  background: rgba(255,255,255,0.08);
  color: #ffffff;
  border-color: rgba(255,255,255,0.55);
}
.hero .btn-secondary:hover {
  background: rgba(255,255,255,0.16);
  color: #fff;
}

/* White wordmark logo in navy header/footer */
.brand-logo {
  width: auto !important;
  height: 40px !important;
  max-width: 200px;
}
.footer-logo {
  width: auto !important;
  height: 34px !important;
  max-width: 180px;
}
.footer-brand span { display: none; }

/* Full Pulse portal page in hero — charts + heatmap visible */
.hero-grid {
  grid-template-columns: 0.85fr 1.35fr;
  align-items: start;
  gap: 2rem;
}
.hero-visual { min-width: 0; }
.hero-card {
  transform: none;
  border-radius: 16px;
  box-shadow: 0 28px 70px rgba(0,0,0,0.45);
  border: 1px solid #1e293b;
  background: #0f172a;
  overflow: hidden;
}
.hero-card img {
  width: 100%;
  height: auto;
  object-fit: contain;
  object-position: top center;
  display: block;
}
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
}

/* Extra navy-theme breathing room */
.hero .trust-row { color: #cbd5e1; }
.hero .trust-row strong { color: #ffffff; }
.site-header .nav-cta .btn {
  box-shadow: 0 0 0 1px rgba(14, 165, 233, 0.35), 0 8px 20px rgba(14, 165, 233, 0.25);
}