:root {
  --blue: #0f6df6;
  --blue-dark: #0746b8;
  --blue-soft: #eaf2ff;
  --ink: #071638;
  --text: #24314d;
  --muted: #64708a;
  --line: #d9e5f8;
  --surface: #ffffff;
  --soft: #f7faff;
  --shadow: 0 18px 45px rgba(8, 41, 93, 0.12);
  --radius: 8px;
  --container: 1200px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  margin: 0;
  background: #fff;
  color: var(--text);
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

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

.container {
  width: min(var(--container), calc(100% - 48px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.header-inner {
  min-height: 64px;
  display: grid;
  grid-template-columns: minmax(190px, auto) 1fr auto;
  align-items: center;
  gap: 14px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 800;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border-radius: 8px;
  background: #eef5ff;
  border: 1px solid #cfe0fb;
  box-shadow: 0 10px 24px rgba(15, 109, 246, 0.14);
}

.brand-mark img {
  width: 27px;
  height: 27px;
  object-fit: contain;
}

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

.brand strong {
  font-size: 20px;
  line-height: 1;
}

.brand small {
  color: var(--ink);
  font-size: 11px;
  font-weight: 600;
  line-height: 1.2;
}

.main-nav {
  display: flex;
  justify-content: center;
  gap: 16px;
  font-size: 12px;
  font-weight: 700;
  color: var(--ink);
  white-space: nowrap;
}

.main-nav a {
  position: relative;
  padding: 21px 0;
}

.main-nav a::after {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 3px;
  background: var(--blue);
  border-radius: 999px 999px 0 0;
  content: "";
  opacity: 0;
  transform: scaleX(0.4);
  transition: 180ms ease;
}

.main-nav a:hover,
.main-nav a.is-active {
  color: var(--blue);
}

.main-nav a:hover::after,
.main-nav a.is-active::after {
  opacity: 1;
  transform: scaleX(1);
}

.header-actions,
.hero-actions,
.cta-actions,
.install-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: nowrap;
}

.btn {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 12px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease, background 180ms ease;
}

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

.btn-primary {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 14px 26px rgba(15, 109, 246, 0.24);
}

.btn-primary:hover {
  background: var(--blue-dark);
}

.btn-outline {
  background: #fff;
  border-color: var(--blue);
  color: var(--ink);
}

.btn-ghost {
  background: rgba(5, 17, 42, 0.4);
  border-color: rgba(255, 255, 255, 0.78);
  color: #fff;
}

.btn-large {
  min-height: 50px;
  padding: 0 20px;
  font-size: 14px;
}

.btn.light {
  background: #fff;
  color: var(--blue-dark);
  box-shadow: none;
}

.btn-ghost.light {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.78);
}

.hero {
  position: relative;
  min-height: 580px;
  display: grid;
  align-items: center;
  overflow: hidden;
  color: #fff;
  background:
    linear-gradient(90deg, rgba(4, 15, 38, 0.92) 0%, rgba(4, 15, 38, 0.72) 42%, rgba(4, 15, 38, 0.14) 100%),
    url("hero-bg.jpg") center/cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 74% 40%, rgba(15, 109, 246, 0.16), transparent 28%),
    linear-gradient(180deg, rgba(5, 17, 42, 0.1), rgba(5, 17, 42, 0.22));
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-copy {
  max-width: 720px;
  padding: 56px 0;
}

.hero h1 {
  margin: 0;
  max-width: 760px;
  color: #fff;
  font-size: clamp(36px, 4.6vw, 58px);
  line-height: 1.08;
  letter-spacing: 0;
}

.hero h1 span {
  color: #1382ff;
}

.hero p {
  max-width: 630px;
  margin: 22px 0 28px;
  color: #fff;
  font-size: 17px;
}

.trust-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.trust-pills span {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 0 14px;
  border: 1px solid rgba(255, 255, 255, 0.26);
  border-radius: var(--radius);
  background: rgba(3, 18, 42, 0.48);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
}

.section {
  padding: 72px 0;
  border-bottom: 1px solid var(--line);
}

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

.intro-section {
  background: #fff;
}

.split-grid {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr) minmax(320px, 440px);
  gap: 34px;
  align-items: center;
}

.section-icon,
.feature-card > i,
.role-card > i,
.access-card > i {
  width: 72px;
  height: 72px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: var(--blue-soft);
  color: var(--blue);
  font-size: 30px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

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

h2 {
  margin-bottom: 18px;
  color: var(--ink);
  font-size: clamp(25px, 3vw, 33px);
  line-height: 1.16;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 17px;
  line-height: 1.25;
}

.section-copy {
  max-width: 690px;
  color: var(--text);
  font-size: 16px;
}

.section-heading {
  max-width: 760px;
  margin: 0 auto 32px;
  text-align: center;
}

.section-heading.align-left {
  margin-left: 0;
  text-align: left;
}

.phone-visual {
  position: relative;
  min-height: 300px;
  display: grid;
  place-items: center;
}

.orbit {
  position: absolute;
  border: 1px dashed #b7cff5;
  border-radius: 50%;
}

.orbit-one {
  width: 260px;
  height: 210px;
}

.orbit-two {
  width: 190px;
  height: 260px;
}

.phone-shell {
  position: relative;
  z-index: 2;
  width: 110px;
  height: 214px;
  padding: 26px 14px;
  border: 7px solid #114489;
  border-radius: 24px;
  background: #fff;
  box-shadow: var(--shadow);
}

.phone-top,
.phone-row,
.phone-button {
  border-radius: 8px;
  background: var(--blue-soft);
}

.phone-top {
  width: 38px;
  height: 5px;
  margin: -16px auto 20px;
  background: #d5e4fb;
}

.phone-row {
  height: 18px;
  margin-bottom: 14px;
}

.phone-row.short {
  width: 70%;
}

.phone-button {
  height: 30px;
  margin-top: 22px;
  background: var(--blue);
}

.float-icon {
  position: absolute;
  z-index: 3;
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  border: 1px solid #bfd7fa;
  border-radius: 50%;
  background: #fff;
  color: var(--blue);
  font-size: 21px;
  box-shadow: 0 14px 34px rgba(15, 109, 246, 0.16);
}

.float-icon.cloud {
  top: 30px;
  left: 46px;
}

.float-icon.pin {
  bottom: 44px;
  left: 46px;
}

.float-icon.shield {
  top: 42px;
  right: 36px;
}

.float-icon.user {
  bottom: 54px;
  right: 28px;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 44px;
}

.step-card {
  position: relative;
  min-height: 210px;
  padding: 24px 20px;
  display: grid;
  align-content: center;
  justify-items: center;
  text-align: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.step-card:not(:last-child)::after {
  position: absolute;
  top: 50%;
  right: -31px;
  color: var(--blue);
  content: "\f061";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  transform: translateY(-50%);
  font-size: 18px;
}

.step-number {
  position: absolute;
  top: 18px;
  left: 18px;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  font-weight: 800;
}

.step-card > i {
  margin-bottom: 22px;
  color: var(--blue);
  font-size: 36px;
}

.step-card p,
.feature-card p,
.role-card p,
.access-card p {
  margin-bottom: 0;
  color: var(--text);
  font-size: 14px;
}

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

.feature-card,
.role-card,
.access-card,
.install-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 10px 30px rgba(15, 109, 246, 0.04);
}

.feature-card {
  min-height: 124px;
  display: grid;
  grid-template-columns: 62px 1fr;
  gap: 16px;
  align-items: center;
  padding: 20px;
}

.roles-grid,
.access-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.role-card {
  padding: 24px;
}

.role-card > i,
.access-card > i {
  margin-bottom: 18px;
}

.install-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 460px);
  gap: 44px;
  align-items: center;
}

.install-card {
  padding: 24px;
}

.install-row {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 14px;
  align-items: start;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.install-row span {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  font-weight: 800;
}

.install-row p {
  margin-bottom: 0;
}

.install-actions {
  justify-content: space-between;
  margin-top: 24px;
}

.install-actions small {
  color: var(--muted);
  font-weight: 700;
}

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

.access-card {
  min-height: 190px;
  padding: 24px;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.access-card:hover {
  border-color: #9ec5ff;
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.cta-band {
  background: linear-gradient(135deg, #0b54d6 0%, #07358d 100%);
  color: #fff;
}

.cta-inner {
  min-height: 136px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.cta-inner > div:first-child {
  display: flex;
  align-items: center;
  gap: 20px;
}

.cta-inner > div:first-child > i {
  width: 62px;
  height: 62px;
  display: grid;
  place-items: center;
  border: 2px solid rgba(255, 255, 255, 0.62);
  border-radius: 8px;
  font-size: 29px;
}

.cta-band h2 {
  margin-bottom: 4px;
  color: #fff;
  font-size: clamp(22px, 2.4vw, 28px);
}

.cta-band p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.88);
  font-weight: 700;
}

.site-footer {
  background: #fff;
  border-top: 1px solid var(--line);
}

.footer-inner {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: var(--muted);
  font-size: 13px;
}

.footer-brand .brand-mark {
  width: 32px;
  height: 32px;
}

.footer-brand strong {
  font-size: 18px;
}

.footer-links {
  display: flex;
  gap: 22px;
  color: var(--ink);
  font-weight: 700;
}

@media (max-width: 980px) {
  .header-inner {
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 16px 0;
  }

  .main-nav {
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .main-nav a {
    padding: 8px 0;
  }

  .header-actions {
    justify-content: flex-start;
    flex-wrap: wrap;
  }

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

  .step-card:not(:last-child)::after {
    display: none;
  }

  .split-grid {
    grid-template-columns: 72px 1fr;
  }

  .phone-visual {
    grid-column: 1 / -1;
  }
}

@media (max-width: 760px) {
  .container {
    width: min(100% - 28px, var(--container));
  }

  .site-header {
    position: relative;
  }

  .header-actions .btn,
  .hero-actions .btn,
  .cta-actions .btn {
    width: 100%;
  }

  .hero {
    min-height: 680px;
    background-position: center right 38%;
  }

  .hero-copy {
    padding: 54px 0;
  }

  .hero h1 {
    font-size: 42px;
  }

  .hero p {
    font-size: 17px;
  }

  .section {
    padding: 62px 0;
  }

  .split-grid,
  .install-grid,
  .steps-grid,
  .benefits-grid,
  .roles-grid,
  .access-grid {
    grid-template-columns: 1fr;
  }

  .section-icon {
    width: 62px;
    height: 62px;
  }

  .feature-card {
    grid-template-columns: 58px 1fr;
    padding: 20px;
  }

  .feature-card > i {
    width: 58px;
    height: 58px;
    font-size: 24px;
  }

  .cta-inner,
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    padding: 28px 0;
  }

  .cta-inner > div:first-child {
    align-items: flex-start;
  }

  .footer-links {
    flex-wrap: wrap;
  }
}