:root {
  --ink: #172029;
  --muted: #5d6975;
  --line: #d9e0e5;
  --paper: #ffffff;
  --soft: #f3f6f4;
  --dark: #101419;
  --red: #c82d32;
  --green: #2f7d46;
  --gold: #c79a3b;
  --shadow: 0 18px 50px rgba(16, 20, 25, 0.16);
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--paper);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  line-height: 1.55;
  overflow-x: hidden;
}

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

a {
  color: inherit;
}

p,
dd,
li,
a,
span {
  overflow-wrap: break-word;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 12px;
  z-index: 10;
  background: var(--paper);
  color: var(--ink);
  padding: 10px 14px;
}

.skip-link:focus {
  left: 12px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 9;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

.header-inner,
.section-inner {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}

.header-inner {
  min-height: 82px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand img {
  width: 58px;
  height: 58px;
  object-fit: contain;
}

.brand strong,
.brand small {
  display: block;
}

.brand small {
  color: var(--muted);
  font-size: 13px;
}

.main-nav,
.header-actions,
.hero-actions,
.footer-inner nav {
  display: flex;
  align-items: center;
  gap: 18px;
}

.main-nav {
  justify-content: center;
}

.main-nav a,
.footer-inner a,
.icon-link {
  text-decoration: none;
  font-weight: 700;
  color: var(--ink);
}

.main-nav a:hover,
.footer-inner a:hover,
.icon-link:hover {
  color: var(--red);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  max-width: 100%;
  min-height: 48px;
  padding: 13px 20px;
  border: 1px solid transparent;
  border-radius: 6px;
  text-decoration: none;
  text-align: center;
  font-weight: 800;
  white-space: normal;
  cursor: pointer;
  transition: transform 160ms ease, background-color 160ms ease, border-color 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.small {
  min-height: 40px;
  padding: 9px 14px;
}

.button.primary {
  color: #fff;
  background: var(--red);
}

.button.primary:hover {
  background: #ad252b;
}

.button.secondary {
  color: #fff;
  background: var(--green);
}

.button.secondary:hover {
  background: #26683a;
}

.button.ghost {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.6);
  background: rgba(255, 255, 255, 0.08);
}

.hero {
  position: relative;
  min-height: 710px;
  display: grid;
  align-items: center;
  overflow: hidden;
  color: #fff;
}

.page-hero {
  padding: 86px 0 72px;
  color: #fff;
  background:
    linear-gradient(90deg, rgba(16, 20, 25, 0.94), rgba(16, 20, 25, 0.78)),
    url("assets/b2b-alarm-monitoring.png") center / cover;
}

.page-hero .hero-copy {
  margin-bottom: 0;
}

.breadcrumb {
  display: inline-flex;
  margin-bottom: 28px;
  color: rgba(255, 255, 255, 0.74);
  font-weight: 700;
  text-decoration: none;
}

.breadcrumb:hover {
  color: #fff;
}

.hero-media,
.hero-media img,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(16, 20, 25, 0.92), rgba(16, 20, 25, 0.7) 46%, rgba(16, 20, 25, 0.32)),
    linear-gradient(0deg, rgba(16, 20, 25, 0.72), transparent 40%);
}

.hero-content {
  position: relative;
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
  padding: 84px 0 64px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 820px;
  margin-bottom: 24px;
  font-size: clamp(40px, 6vw, 78px);
  line-height: 1.03;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.08;
}

h3 {
  margin-bottom: 9px;
  font-size: 21px;
}

.hero-copy {
  max-width: min(690px, 100%);
  margin-bottom: 30px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 20px;
}

.trust-strip {
  width: min(780px, 100%);
  max-width: 100%;
  margin: 48px 0 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid rgba(255, 255, 255, 0.24);
  background: rgba(16, 20, 25, 0.46);
  box-shadow: var(--shadow);
}

.trust-strip div {
  min-width: 0;
  padding: 18px;
  border-right: 1px solid rgba(255, 255, 255, 0.18);
}

.trust-strip div:last-child {
  border-right: 0;
}

.trust-strip dt {
  font-size: 22px;
  font-weight: 900;
}

.trust-strip dd {
  margin: 4px 0 0;
  color: rgba(255, 255, 255, 0.78);
}

.promise-band {
  background: var(--soft);
  border-bottom: 1px solid var(--line);
}

.promise-row {
  min-height: 96px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  color: var(--ink);
  font-weight: 800;
}

.promise-row span {
  position: relative;
  white-space: nowrap;
}

.promise-row span::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 9px;
  border-radius: 50%;
  background: var(--green);
}

.section {
  padding: 88px 0;
}

.section.soft {
  background: var(--soft);
}

.section.dark {
  background: var(--dark);
  color: #fff;
}

.split {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 58px;
  align-items: start;
}

.target-grid,
.service-grid,
.industry-grid,
.standard-grid,
.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.industry-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.target-grid article,
.service-grid article,
.industry-grid article,
.standard-grid article,
.faq-grid article {
  min-height: 178px;
  padding: 24px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 4px solid var(--red);
  border-radius: 6px;
}

.industry-grid article {
  border-top-color: var(--green);
}

.standard-grid article {
  min-height: 166px;
  color: #fff;
  background: #151b22;
  border-color: rgba(255, 255, 255, 0.16);
  border-top-color: var(--gold);
}

.target-grid p,
.service-grid p,
.industry-grid p,
.standard-grid p,
.faq-grid p,
.section-heading p,
.product-copy p,
.contact-copy p {
  color: var(--muted);
}

.standard-grid p,
.standard-layout > div > p {
  color: rgba(255, 255, 255, 0.76);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-heading.compact {
  margin-bottom: 28px;
}

.product-section {
  padding: 0;
}

.product-layout,
.ops-layout {
  display: grid;
  grid-template-columns: 1fr 0.78fr;
  gap: 60px;
  align-items: center;
  padding: 88px 0;
}

.ops-layout {
  grid-template-columns: 0.95fr 1.05fr;
}

.standard-layout {
  display: grid;
  grid-template-columns: 0.88fr 1.12fr;
  gap: 58px;
  align-items: start;
}

.standard-note {
  margin-top: 24px;
  padding: 18px 20px;
  border-left: 4px solid var(--gold);
  background: rgba(255, 255, 255, 0.08);
}

.cta-band {
  padding: 56px 0;
  color: #fff;
  background: var(--dark);
}

.cta-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 28px;
  align-items: center;
}

.cta-row h2 {
  max-width: 780px;
}

.cta-row p {
  max-width: 720px;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.78);
}

.cta-row .hero-actions {
  justify-content: flex-end;
}

.proof-list {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  list-style: none;
}

.proof-list li {
  padding: 18px 20px;
  border-left: 4px solid var(--green);
  background: var(--soft);
}

.check-list {
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 28px;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 12px;
  height: 8px;
  border-left: 3px solid var(--green);
  border-bottom: 3px solid var(--green);
  transform: rotate(-45deg);
}

.inline-link {
  margin-top: 24px;
  font-weight: 800;
}

.inline-link a,
.industry-grid a {
  color: var(--red);
  text-decoration: none;
}

.inline-link a:hover,
.industry-grid a:hover {
  text-decoration: underline;
}

.product-figure {
  margin: 0;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: linear-gradient(135deg, #fff, #f7f9f8);
}

.ops-figure {
  margin: 0;
}

.ops-figure img {
  width: 100%;
  border-radius: 6px;
  box-shadow: var(--shadow);
}

.product-figure img {
  width: min(420px, 100%);
  margin: 0 auto;
}

.product-figure figcaption {
  margin-top: 16px;
  color: var(--muted);
  font-size: 14px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.steps li {
  min-height: 210px;
  padding: 24px;
  background: #151b22;
}

.steps strong,
.steps span {
  display: block;
}

.steps strong {
  margin-bottom: 14px;
  color: #fff;
  font-size: 20px;
}

.steps span {
  color: rgba(255, 255, 255, 0.76);
}

.contact-layout {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 58px;
  align-items: start;
}

.contact-panel {
  display: grid;
  gap: 12px;
  margin-top: 28px;
  padding: 22px;
  border-left: 4px solid var(--green);
  background: var(--soft);
}

.contact-panel a {
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
}

.lead-form {
  display: grid;
  gap: 18px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 6px;
  box-shadow: var(--shadow);
}

.choice-group {
  margin: 0;
  padding: 18px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.choice-group legend {
  padding: 0 8px;
  color: var(--ink);
  font-weight: 900;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

label {
  display: grid;
  gap: 8px;
  color: var(--ink);
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  min-height: 48px;
  padding: 12px 13px;
  border: 1px solid #b7c1ca;
  border-radius: 6px;
  font: inherit;
  background: #fff;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: 3px solid rgba(47, 125, 70, 0.2);
  border-color: var(--green);
}

.checkbox {
  grid-template-columns: 22px 1fr;
  align-items: start;
  font-weight: 400;
  color: var(--muted);
}

.checkbox input {
  width: auto;
  min-height: auto;
  margin-top: 3px;
}

.captcha-field {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--soft);
}

.captcha-field span {
  color: var(--muted);
  font-weight: 400;
}

.hp-field {
  position: absolute;
  left: -9999px;
}

.form-submit {
  width: fit-content;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.form-status {
  min-height: 24px;
  margin: 0;
  color: var(--green);
  font-weight: 800;
}

.form-status.error {
  color: var(--red);
}

.site-footer {
  padding: 38px 0 86px;
  color: rgba(255, 255, 255, 0.8);
  background: var(--dark);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
}

.footer-inner p {
  margin-bottom: 0;
}

.footer-inner a,
.footer-inner strong {
  color: #fff;
}

.mobile-cta {
  display: none;
}

.cookie-consent {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 11;
  width: min(460px, calc(100% - 36px));
  padding: 16px;
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 10px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  box-shadow: var(--shadow);
}

.cookie-consent[hidden] {
  display: none;
}

.cookie-consent p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.cookie-consent button {
  min-height: 38px;
  border: 0;
  border-radius: 6px;
  padding: 8px 12px;
  font-weight: 800;
  cursor: pointer;
}

.cookie-consent button:first-of-type {
  color: #fff;
  background: var(--green);
}

@media (max-width: 980px) {
  .header-inner {
    grid-template-columns: 1fr auto;
  }

  .main-nav {
    display: none;
  }

  .header-actions .icon-link {
    display: none;
  }

  .hero {
    min-height: 660px;
  }

  .split,
  .product-layout,
  .ops-layout,
  .standard-layout,
  .cta-row,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .industry-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .steps {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 720px) {
  .header-inner,
  .section-inner,
  .hero-content {
    width: min(100% - 28px, 1160px);
  }

  .site-header {
    position: sticky;
  }

  .header-inner {
    min-height: 96px;
    grid-template-columns: 1fr;
    justify-items: start;
    gap: 8px;
    padding: 10px 0;
  }

  .brand img {
    width: 48px;
    height: 48px;
  }

  .brand small {
    display: none;
  }

  .header-actions {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
  }

  .header-actions .icon-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    border-radius: 6px;
    color: #fff;
    background: var(--red);
  }

  .header-actions .button {
    display: none;
  }

  .hero {
    min-height: 720px;
  }

  .page-hero {
    padding: 56px 0;
  }

  h1 {
    font-size: clamp(34px, 10vw, 44px);
    line-height: 1.08;
    overflow-wrap: break-word;
  }

  .eyebrow {
    overflow-wrap: break-word;
  }

  .hero-overlay {
    background: linear-gradient(0deg, rgba(16, 20, 25, 0.9), rgba(16, 20, 25, 0.58));
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .trust-strip,
  .target-grid,
  .service-grid,
  .industry-grid,
  .standard-grid,
  .faq-grid,
  .choice-group,
  .form-row,
  .steps {
    grid-template-columns: 1fr;
  }

  .trust-strip div {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  }

  .trust-strip div:last-child {
    border-bottom: 0;
  }

  .promise-row {
    flex-wrap: wrap;
    justify-content: center;
    padding: 20px 0;
    text-align: center;
  }

  .section,
  .product-layout,
  .ops-layout {
    padding: 64px 0;
  }

  .lead-form {
    padding: 20px;
  }

  .form-submit {
    width: 100%;
  }

  .form-actions {
    display: grid;
  }

  .footer-inner {
    display: grid;
  }

  .mobile-cta {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid rgba(255, 255, 255, 0.18);
    background: var(--dark);
  }

  .mobile-cta a {
    min-width: 0;
    min-height: 56px;
    display: grid;
    place-items: center;
    color: #fff;
    text-decoration: none;
    font-weight: 900;
  }

  .mobile-cta a:nth-child(2) {
    background: var(--green);
  }

  .mobile-cta a:nth-child(3) {
    background: var(--red);
  }

  .cookie-consent {
    right: 10px;
    bottom: 68px;
    width: calc(100% - 20px);
    grid-template-columns: 1fr 1fr;
  }

  .cookie-consent p {
    grid-column: 1 / -1;
  }
}
