:root {
  color-scheme: dark;
  --bg: #070b10;
  --panel: #0e151d;
  --panel-2: #121c27;
  --line: #2a3b4e;
  --text: #f3f7fb;
  --muted: #a9b8c8;
  --blue: #168dff;
  --blue-2: #0064d7;
  --silver: #dbe5ef;
  --danger: #ff6b6b;
  --radius: 8px;
  font-family: Arial, Helvetica, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

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

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: minmax(210px, 280px) 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 12px clamp(16px, 4vw, 48px);
  border-bottom: 1px solid rgba(142, 171, 202, .2);
  background: rgba(7, 11, 16, .92);
  backdrop-filter: blur(14px);
}

.brand img {
  width: 280px;
  height: auto;
}

.nav {
  display: flex;
  justify-content: center;
  gap: clamp(12px, 2vw, 28px);
  font-size: .9rem;
  color: var(--muted);
}

.nav a,
.header-call,
.footer a {
  text-decoration: none;
}

.nav a:hover,
.header-call:hover,
.footer a:hover {
  color: var(--blue);
}

.header-call {
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--silver);
  white-space: nowrap;
}

.hero {
  position: relative;
  min-height: min(760px, calc(100vh - 72px));
  display: grid;
  align-items: end;
  overflow: hidden;
  border-bottom: 1px solid rgba(142, 171, 202, .22);
}

.hero-media {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(7, 11, 16, .96), rgba(7, 11, 16, .76) 52%, rgba(7, 11, 16, .45)),
    radial-gradient(circle at 82% 22%, rgba(22, 141, 255, .3), transparent 32%),
    linear-gradient(135deg, rgba(22, 141, 255, .12) 0 1px, transparent 1px 34px),
    #070b10;
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(720px, calc(100% - 32px));
  margin: 0 clamp(16px, 7vw, 96px) clamp(56px, 9vh, 120px);
}

.hero-camera {
  position: absolute;
  z-index: 1;
  right: clamp(-90px, 3vw, 60px);
  top: clamp(92px, 16vh, 150px);
  width: min(48vw, 610px);
  min-width: 360px;
  pointer-events: none;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--blue);
  font-size: .82rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 18px;
  font-size: clamp(2.5rem, 6vw, 5.8rem);
  line-height: .95;
  max-width: 820px;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(2rem, 4vw, 3.8rem);
  line-height: 1;
}

h3 {
  font-size: 1.35rem;
}

.hero-copy {
  max-width: 620px;
  color: var(--silver);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
}

.hero-actions,
.form-row.two,
.footer {
  display: flex;
  gap: 14px;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}

.button.primary {
  background: linear-gradient(180deg, var(--blue), var(--blue-2));
  color: #fff;
  box-shadow: 0 10px 28px rgba(0, 100, 215, .35);
}

.button.secondary {
  border-color: var(--line);
  background: rgba(13, 22, 32, .78);
  color: var(--silver);
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid rgba(142, 171, 202, .22);
  background: #0c131b;
}

.trust-strip div {
  min-height: 96px;
  display: grid;
  place-items: center;
  align-content: center;
  padding: 20px;
  border-right: 1px solid rgba(142, 171, 202, .18);
  text-align: center;
}

.trust-strip strong {
  font-size: 1.55rem;
  color: var(--silver);
}

.trust-strip span,
.section-copy p,
.booking-copy p,
.package-card p,
.footer span,
.price-list span,
.option-card p,
.payment-card p,
.detail-card p {
  color: var(--muted);
}

.section {
  padding: clamp(48px, 7vw, 96px) clamp(16px, 5vw, 72px);
}

.split {
  display: grid;
  grid-template-columns: minmax(280px, .82fr) minmax(320px, 1.18fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: start;
}

.section-copy {
  max-width: 860px;
}

.check-list {
  list-style: none;
  display: grid;
  gap: 12px;
  margin: 28px 0 0;
  padding: 0;
}

.check-list li {
  position: relative;
  padding-left: 30px;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .35em;
  width: 16px;
  height: 16px;
  border: 2px solid var(--blue);
  border-radius: 50%;
  box-shadow: inset 0 0 0 4px var(--bg);
  background: var(--blue);
}

.option-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 30px;
}

.option-card {
  min-height: 245px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  text-decoration: none;
  transition: border-color .2s ease, transform .2s ease;
}

.option-card:hover {
  border-color: var(--blue);
  transform: translateY(-2px);
}

.option-card span {
  color: var(--blue);
  font-size: .84rem;
  font-weight: 800;
  text-transform: uppercase;
}

.section-heading {
  max-width: 920px;
}

.package-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 30px;
}

.package-card,
.booking-form,
.contact-card,
.price-list {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
}

.package-card {
  min-height: 250px;
  padding: 22px;
}

.package-card a {
  display: inline-flex;
  margin-top: 10px;
  color: var(--blue);
  font-weight: 800;
  text-decoration: none;
}

.package-card.featured {
  border-color: var(--blue);
  box-shadow: inset 0 0 0 1px rgba(22, 141, 255, .35);
}

.package-card span {
  display: inline-flex;
  margin-bottom: 12px;
  color: var(--blue);
  font-weight: 800;
  text-transform: uppercase;
  font-size: .85rem;
}

.price {
  margin-bottom: 12px;
  color: var(--blue);
  font-size: 2.4rem;
  font-weight: 900;
}

.price-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 18px;
  overflow: hidden;
  background: var(--line);
}

.price-list div {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 16px;
  background: #0d141d;
}

.price-list strong {
  color: var(--silver);
  white-space: nowrap;
}

.booking-section {
  display: grid;
  grid-template-columns: minmax(280px, .72fr) minmax(320px, 1fr);
  gap: clamp(28px, 5vw, 72px);
  background: #0a1017;
  border-block: 1px solid rgba(142, 171, 202, .2);
}

.contact-card {
  display: grid;
  gap: 8px;
  margin-top: 24px;
  padding: 18px;
}

.contact-card a {
  color: var(--silver);
  text-decoration: none;
  overflow-wrap: anywhere;
}

.booking-form {
  display: grid;
  gap: 18px;
  padding: clamp(18px, 3vw, 28px);
}

label,
legend {
  display: block;
  margin-bottom: 8px;
  color: var(--silver);
  font-weight: 800;
  font-size: .9rem;
}

input,
select,
textarea {
  width: 100%;
  min-height: 46px;
  padding: 11px 12px;
  border: 1px solid #34485d;
  border-radius: var(--radius);
  background: #081019;
  color: var(--text);
  font: inherit;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid rgba(22, 141, 255, .45);
  border-color: var(--blue);
}

fieldset {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 16px;
  margin: 0;
  padding: 16px;
  border: 1px solid #34485d;
  border-radius: var(--radius);
}

fieldset label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  color: var(--muted);
  font-weight: 500;
}

input[type="checkbox"] {
  width: 18px;
  min-height: 18px;
  accent-color: var(--blue);
}

.form-row.two > div {
  flex: 1;
  min-width: 0;
}

.form-status {
  min-height: 24px;
  margin: 0;
  color: var(--muted);
}

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

.included {
  background: #080d13;
}

.payment-section {
  border-top: 1px solid rgba(142, 171, 202, .2);
}

.payment-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.payment-card {
  display: grid;
  align-content: start;
  gap: 12px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
}

.payment-card .button {
  justify-self: start;
}

.subpage-hero {
  padding: clamp(48px, 8vw, 100px) clamp(16px, 5vw, 72px);
  border-bottom: 1px solid rgba(142, 171, 202, .22);
  background:
    linear-gradient(90deg, rgba(7, 11, 16, .98), rgba(7, 11, 16, .72)),
    radial-gradient(circle at 80% 18%, rgba(22, 141, 255, .26), transparent 34%),
    #070b10;
}

.subpage-hero .hero-actions {
  margin-top: 24px;
}

.detail-card {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
}

.detail-card ul {
  margin: 14px 0 0;
  padding-left: 18px;
  color: var(--muted);
}

.detail-card li + li {
  margin-top: 8px;
}

.detail-card .price {
  font-size: 1.9rem;
}

.explainer-section,
.install-types {
  border-bottom: 1px solid rgba(142, 171, 202, .16);
}

.quality-grid,
.type-grid {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

.quality-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

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

.quality-card,
.type-card {
  min-height: 230px;
  display: grid;
  align-content: start;
  gap: 12px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
}

.quality-card span,
.type-card span {
  width: fit-content;
  display: inline-flex;
  padding: 6px 10px;
  border: 1px solid rgba(22, 141, 255, .48);
  border-radius: 999px;
  color: var(--blue);
  font-size: .84rem;
  font-weight: 900;
}

.quality-card p,
.type-card p {
  margin: 0;
  color: var(--muted);
}

.package-menu {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.menu-package {
  min-height: 520px;
  display: grid;
  align-content: start;
  gap: 18px;
  padding: clamp(22px, 3vw, 32px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(18, 28, 39, .96), rgba(10, 16, 23, .98)),
    radial-gradient(circle at 86% 12%, rgba(22, 141, 255, .18), transparent 38%);
}

.menu-package.featured {
  border-color: var(--blue);
  box-shadow: inset 0 0 0 1px rgba(22, 141, 255, .3), 0 18px 60px rgba(0, 100, 215, .12);
}

.menu-package p:not(.eyebrow):not(.price),
.menu-package li {
  color: var(--muted);
}

.menu-package ul {
  margin: 0;
  padding-left: 18px;
}

.menu-package li + li {
  margin-top: 8px;
}

.menu-package .button {
  justify-self: start;
  align-self: end;
}

.system-prices {
  display: grid;
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
}

.system-prices div {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 14px;
  background: rgba(7, 12, 18, .88);
}

.system-prices span {
  color: var(--muted);
}

.system-prices strong {
  color: var(--silver);
  white-space: nowrap;
}

.camera-count {
  display: grid;
  grid-template-columns: repeat(4, 34px);
  gap: 8px;
  min-height: 76px;
  align-content: center;
}

.camera-count span {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 50%, #07111d 0 28%, #e9f2fb 29% 52%, #ffffff 53% 100%);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, .7), 0 8px 20px rgba(0, 0, 0, .32);
}

.contact-showcase {
  display: grid;
  grid-template-columns: minmax(300px, .95fr) minmax(300px, 1.05fr);
  gap: clamp(24px, 5vw, 64px);
  align-items: stretch;
}

.digital-card {
  min-height: 360px;
  display: grid;
  align-content: center;
  gap: 22px;
  padding: clamp(24px, 4vw, 48px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(5, 10, 16, .98), rgba(13, 23, 33, .98)),
    radial-gradient(circle at 82% 18%, rgba(22, 141, 255, .22), transparent 36%);
}

.digital-card img {
  width: min(100%, 460px);
}

.digital-card p {
  margin: 0;
  color: var(--silver);
  font-size: 1.15rem;
  font-weight: 800;
  text-transform: uppercase;
}

.digital-card-lines {
  display: grid;
  gap: 10px;
}

.digital-card-lines a {
  color: var(--text);
  text-decoration: none;
  overflow-wrap: anywhere;
}

.digital-card-lines span {
  color: var(--muted);
}

.included-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 20px;
}

.included-grid span {
  min-height: 76px;
  display: flex;
  align-items: center;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  color: var(--silver);
  font-weight: 800;
}

.footer {
  align-items: center;
  flex-wrap: wrap;
  padding: 28px clamp(16px, 5vw, 72px);
  border-top: 1px solid rgba(142, 171, 202, .22);
  background: #05080c;
}

.footer img {
  width: 220px;
}

.footer div {
  display: grid;
  min-width: 180px;
}

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

  .nav {
    grid-column: 1 / -1;
    order: 3;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .split,
  .booking-section,
  .contact-showcase {
    grid-template-columns: 1fr;
  }

  .package-grid,
  .option-grid,
  .package-menu,
  .quality-grid,
  .type-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-camera {
    opacity: .38;
    right: -150px;
    top: 130px;
    width: 640px;
  }
}

@media (max-width: 680px) {
  .site-header {
    gap: 10px;
  }

  .brand img {
    width: 210px;
  }

  .header-call {
    padding: 8px 10px;
    font-size: .86rem;
  }

  .hero {
    min-height: 660px;
  }

  .hero-content {
    margin: 0 16px 44px;
  }

  .hero-actions,
  .form-row.two {
    flex-direction: column;
  }

  .trust-strip,
  .package-grid,
  .price-list,
  .included-grid,
  .option-grid,
  .payment-grid,
  .package-menu,
  .quality-grid,
  .type-grid,
  fieldset {
    grid-template-columns: 1fr;
  }

  .hero-camera {
    min-width: 410px;
    right: -210px;
    top: 150px;
    opacity: .26;
  }

  .trust-strip div {
    min-height: 78px;
    border-right: 0;
    border-bottom: 1px solid rgba(142, 171, 202, .18);
  }

  .section {
    padding-inline: 16px;
  }
}