/* Device Beam marketing site
   Palette lifted from taskbeam.io (sibling product, same fleet/hardware) for brand consistency. */

:root {
  --color-ink: #0f172b;        /* headings, primary text */
  --color-ink-soft: #314158;   /* secondary text */
  --color-slate-600: #45556c;
  --color-slate-500: #62748e;
  --color-slate-400: #90a1b9;
  --color-slate-200: #cad5e2;
  --color-slate-100: #f1f5f9;
  --color-slate-50: #f8fafc;
  --color-cream: #fff8f0;
  --color-white: #ffffff;
  --color-accent: #ec5b13;
  --color-accent-dark: #c94a0d;
  --color-accent-tint: #fdeee5;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;

  --container: 1120px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;

  --shadow-card: 0 1px 2px rgba(15, 23, 43, 0.04), 0 8px 24px rgba(15, 23, 43, 0.06);
  --shadow-lift: 0 20px 40px rgba(15, 23, 43, 0.12);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-ink-soft);
  background: var(--color-white);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; }

h1, h2, h3, h4 {
  color: var(--color-ink);
  line-height: 1.15;
  margin: 0 0 0.5em;
  font-weight: 700;
  letter-spacing: -0.01em;
}

p { margin: 0 0 1em; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 96px 0; }

.section-head {
  max-width: 680px;
  margin: 0 auto 56px;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  background: var(--color-accent-tint);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
}

.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  display: inline-block;
}

.section-head h2 { font-size: clamp(28px, 3.4vw, 38px); }
.section-head .lede { font-size: 17px; color: var(--color-slate-500); margin: 0; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 24px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-white);
}
.btn-primary:hover { background: var(--color-accent-dark); }

.btn-secondary {
  background: var(--color-white);
  color: var(--color-ink);
  border-color: var(--color-slate-200);
}
.btn-secondary:hover { border-color: var(--color-slate-400); background: var(--color-slate-50); }

.btn-ghost {
  background: transparent;
  color: var(--color-ink);
}
.btn-ghost:hover { color: var(--color-accent); }

/* Header / nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(248, 250, 252, 0.85);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--color-slate-100);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 800;
  font-size: 18px;
  color: var(--color-ink);
  letter-spacing: -0.01em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  text-decoration: none;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--color-slate-600);
  transition: color 0.15s ease;
}
.nav-links a:hover { color: var(--color-ink); }

.nav-cta { display: flex; align-items: center; gap: 20px; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-ink);
  margin: 4px 0;
  border-radius: 2px;
}

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  padding: 110px 0 100px;
  background: linear-gradient(180deg, var(--color-slate-50) 0%, var(--color-white) 100%);
}

.hero::before {
  content: "";
  position: absolute;
  top: -180px;
  right: -160px;
  width: 620px;
  height: 620px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--color-cream) 0%, rgba(255, 248, 240, 0) 70%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 460px);
  gap: 48px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(34px, 5vw, 54px);
  margin-bottom: 22px;
}

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

.hero-copy p {
  font-size: 18px;
  color: var(--color-slate-500);
  max-width: 540px;
  margin-bottom: 32px;
}

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 40px; }

.hero-trust {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--color-slate-500);
}
.hero-trust li { list-style: none; display: flex; align-items: center; gap: 8px; }
.hero-trust ul { display: flex; gap: 24px; flex-wrap: wrap; padding: 0; margin: 0; }

.check-dot {
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--color-accent-tint);
  color: var(--color-accent-dark);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 10px; font-weight: 800;
  flex: none;
}

/* Hero visual: mock appliance/dashboard card */
.hero-visual {
  position: relative;
}

.appliance-card {
  background: var(--color-ink);
  border-radius: var(--radius-lg);
  padding: 26px;
  box-shadow: var(--shadow-lift);
  color: var(--color-white);
}

.appliance-card .card-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.05);
  margin-bottom: 10px;
  font-size: 13.5px;
}
.appliance-card .card-row:last-child { margin-bottom: 0; }

.appliance-card .dot { width: 8px; height: 8px; border-radius: 50%; background: #34d399; display: inline-block; margin-right: 8px; }
.appliance-card .dot.amber { background: var(--color-accent); }

.appliance-card .card-title {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-slate-400);
  margin-bottom: 16px;
}

.appliance-card .metric-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 16px;
}
.appliance-card .metric {
  background: rgba(255,255,255,0.05);
  border-radius: var(--radius-sm);
  padding: 14px;
}
.appliance-card .metric .num { font-size: 22px; font-weight: 800; }
.appliance-card .metric .label { font-size: 11.5px; color: var(--color-slate-400); margin-top: 2px; }

/* How it works */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.step-card {
  background: var(--color-white);
  border: 1px solid var(--color-slate-100);
  border-radius: var(--radius-md);
  padding: 28px 22px;
  box-shadow: var(--shadow-card);
}

.step-num {
  width: 34px; height: 34px;
  border-radius: 10px;
  background: var(--color-accent-tint);
  color: var(--color-accent-dark);
  font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
  font-size: 14px;
}

.step-card h3 { font-size: 17px; margin-bottom: 8px; }
.step-card p { font-size: 14.5px; margin: 0; color: var(--color-slate-500); }

/* Alt section background */
.section-alt { background: var(--color-slate-50); }

/* Feature grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.feature-card {
  background: var(--color-white);
  border: 1px solid var(--color-slate-100);
  border-radius: var(--radius-md);
  padding: 26px;
  box-shadow: var(--shadow-card);
}

.feature-icon {
  width: 42px; height: 42px;
  border-radius: 11px;
  background: var(--color-accent-tint);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
  color: var(--color-accent-dark);
  font-size: 19px;
}

.feature-card h3 { font-size: 17px; margin-bottom: 8px; }
.feature-card p { font-size: 14.5px; margin: 0; color: var(--color-slate-500); }

/* Comparison table */
.compare-wrap {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-slate-100);
  box-shadow: var(--shadow-card);
}

table.compare {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-white);
  font-size: 14.5px;
  min-width: 640px;
}

table.compare th, table.compare td {
  text-align: left;
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-slate-100);
}

table.compare thead th {
  background: var(--color-slate-50);
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-slate-500);
}

table.compare thead th.col-primary { color: var(--color-accent-dark); }
table.compare tbody td.col-primary { font-weight: 600; color: var(--color-ink); }
table.compare tbody tr:last-child td { border-bottom: none; }

.compare-note {
  text-align: center;
  color: var(--color-slate-500);
  font-size: 14.5px;
  margin-top: 24px;
}

/* Industries */
.industry-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.industry-card {
  padding: 26px 22px;
  border-radius: var(--radius-md);
  background: var(--color-white);
  border: 1px solid var(--color-slate-100);
}
.industry-card h3 { font-size: 16.5px; margin-bottom: 8px; }
.industry-card p { font-size: 14px; color: var(--color-slate-500); margin: 0; }

/* Deploy steps (numbered list, alternating) */
.deploy-list {
  counter-reset: deploy;
  display: grid;
  gap: 18px;
  max-width: 760px;
  margin: 0 auto;
}

.deploy-item {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 18px;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-slate-100);
}
.deploy-item:last-child { border-bottom: none; }

.deploy-num {
  counter-increment: deploy;
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--color-ink);
  color: var(--color-white);
  font-weight: 800;
  font-size: 14px;
  display: flex; align-items: center; justify-content: center;
}
.deploy-num::before { content: counter(deploy); }

.deploy-item h3 { font-size: 16.5px; margin-bottom: 4px; }
.deploy-item p { font-size: 14.5px; color: var(--color-slate-500); margin: 0; }

/* App/operator section */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.split-copy h2 { font-size: clamp(26px, 3.2vw, 34px); }
.split-copy p { font-size: 16px; color: var(--color-slate-500); }

.role-pills { display: flex; gap: 10px; flex-wrap: wrap; margin: 22px 0 6px; }
.role-pill {
  font-size: 13px;
  font-weight: 700;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--color-slate-100);
  color: var(--color-ink-soft);
}
.role-pill.is-accent { background: var(--color-accent-tint); color: var(--color-accent-dark); }

.phone-mock {
  justify-self: center;
  width: 240px;
  border-radius: 40px;
  background: var(--color-ink);
  padding: 12px;
  box-shadow: var(--shadow-lift);
}
.phone-mock .screen {
  position: relative;
  aspect-ratio: 402 / 874;
  border-radius: 30px;
  overflow: hidden;
  background: var(--color-slate-50);
}
.phone-mock .screen img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* FAQ */
.faq-list { max-width: 780px; margin: 0 auto; }

.faq-item {
  border-bottom: 1px solid var(--color-slate-100);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: none;
  border: none;
  text-align: left;
  padding: 22px 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--color-ink);
  cursor: pointer;
}

.faq-icon {
  flex: none;
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--color-slate-100);
  color: var(--color-ink);
  display: flex; align-items: center; justify-content: center;
  font-size: 15px;
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.faq-item.is-open .faq-icon {
  background: var(--color-accent-tint);
  color: var(--color-accent-dark);
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
}
.faq-answer p { font-size: 14.5px; color: var(--color-slate-500); padding-bottom: 22px; margin: 0; }

/* CTA / Contact */
.cta-section {
  background: var(--color-ink);
  border-radius: var(--radius-lg);
  padding: 64px;
  color: var(--color-white);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.cta-copy .eyebrow { background: rgba(236, 91, 19, 0.16); color: #ff8a4c; }
.cta-copy h2 { color: var(--color-white); font-size: clamp(26px, 3.2vw, 32px); }
.cta-copy p { color: var(--color-slate-400); font-size: 15.5px; }

.cta-list { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 12px; }
.cta-list li { display: flex; gap: 10px; align-items: center; font-size: 14.5px; color: var(--color-slate-200); }

.contact-form {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 28px;
  display: grid;
  gap: 14px;
}

.form-row { display: grid; gap: 6px; }
.form-row label { font-size: 13px; font-weight: 700; color: var(--color-ink); }
.form-row input,
.form-row select,
.form-row textarea {
  font: inherit;
  padding: 11px 13px;
  border-radius: 8px;
  border: 1px solid var(--color-slate-200);
  color: var(--color-ink);
  background: var(--color-white);
}
.form-row textarea { min-height: 90px; resize: vertical; }
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-tint);
}

.contact-form .btn { width: 100%; margin-top: 4px; }
.form-note { font-size: 12.5px; color: var(--color-slate-500); text-align: center; margin: 0; }

/* Footer */
.site-footer {
  padding: 48px 0;
  border-top: 1px solid var(--color-slate-100);
}
.footer-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}
.footer-brand { display: flex; align-items: center; gap: 10px; font-weight: 800; color: var(--color-ink); }
.footer-links { display: flex; gap: 24px; list-style: none; padding: 0; margin: 0; }
.footer-links a { text-decoration: none; font-size: 14px; color: var(--color-slate-500); }
.footer-links a:hover { color: var(--color-ink); }
.footer-fine { font-size: 13px; color: var(--color-slate-400); }

/* Responsive */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { max-width: 460px; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .industry-grid { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; }
  .phone-mock { order: -1; }
  .cta-section { grid-template-columns: 1fr; padding: 40px 28px; }
}

@media (max-width: 720px) {
  .nav-links, .nav-cta .btn-secondary { display: none; }
  .nav-toggle { display: block; }
  section { padding: 64px 0; }
  .steps { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .industry-grid { grid-template-columns: 1fr; }
  .deploy-item { grid-template-columns: 34px 1fr; }
  .hero { padding: 84px 0 64px; }

  body.nav-open .nav-links {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-white);
    padding: 20px 24px 28px;
    border-bottom: 1px solid var(--color-slate-100);
    gap: 18px;
  }
  body.nav-open .nav-cta .btn-secondary { display: none; }
}