/* Sky Sentinel — Home Page */

:root {
  --navy: #081522;
  --navy-light: #102333;
  --silver: #b8c1c9;
  --white: #f7f9fb;
  --text: #d9e0e5;
  --muted: #9eabb5;
  --line: rgba(184, 193, 201, 0.20);
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--navy);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
}

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

.container {
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
}

.narrow {
  width: min(calc(100% - 40px), 800px);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(8, 21, 34, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

.nav-wrap {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}

.brand-name {
  color: var(--white);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.brand-tag {
  color: var(--silver);
  font-size: 0.62rem;
  letter-spacing: 0.23em;
  margin-top: 6px;
}

nav {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 0.9rem;
}

nav a {
  color: var(--silver);
}

nav a:hover {
  color: var(--white);
}

.nav-cta {
  border: 1px solid var(--silver);
  padding: 8px 13px;
}

.hero {
  min-height: 670px;
  display: flex;
  align-items: center;
  background:
    radial-gradient(circle at 75% 35%, rgba(94, 127, 151, 0.20), transparent 34%),
    linear-gradient(135deg, #081522 0%, #0c1c2b 55%, #132b3d 100%);
  border-bottom: 1px solid var(--line);
}

.hero-content {
  padding: 90px 0;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--silver);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.24em;
}

h1,
h2,
h3 {
  margin-top: 0;
  color: var(--white);
  line-height: 1.1;
}

h1 {
  max-width: 820px;
  margin-bottom: 26px;
  font-size: clamp(3rem, 7vw, 5.7rem);
  letter-spacing: -0.045em;
}

h1 span,
h2 span {
  color: var(--silver);
}

.hero-text {
  max-width: 650px;
  margin-bottom: 34px;
  color: var(--text);
  font-size: 1.15rem;
}

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

.button {
  display: inline-block;
  padding: 13px 20px;
  font-weight: 700;
  border: 1px solid var(--silver);
  transition: transform 0.15s ease, background 0.15s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button.primary {
  background: var(--white);
  color: var(--navy);
}

.button.secondary {
  color: var(--white);
}

section {
  padding: 100px 0;
}

.intro {
  text-align: center;
  border-bottom: 1px solid var(--line);
}

.intro h2 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  letter-spacing: -0.03em;
}

.intro p:last-child,
.about p,
.contact-box > p {
  color: var(--muted);
  font-size: 1.08rem;
}

.section-heading {
  margin-bottom: 44px;
}

.section-heading h2 {
  max-width: 700px;
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  letter-spacing: -0.035em;
}

.services {
  background: #0a1927;
}

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

.service-card {
  min-height: 250px;
  padding: 30px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.025);
}

.service-number {
  margin-bottom: 30px;
  color: var(--silver);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
}

.service-card h3 {
  font-size: 1.5rem;
}

.service-card p {
  margin-bottom: 0;
  color: var(--muted);
}

.feature {
  background: var(--navy-light);
}

.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.feature h2 {
  font-size: clamp(2.3rem, 5vw, 4rem);
  letter-spacing: -0.035em;
}

.feature p {
  color: var(--muted);
  font-size: 1.05rem;
}

.about {
  border-bottom: 1px solid var(--line);
}

.about h2,
.contact-box h2 {
  font-size: clamp(2.3rem, 5vw, 4rem);
  letter-spacing: -0.035em;
}

.contact {
  text-align: center;
  padding: 120px 0;
}

.contact-box {
  max-width: 760px;
}

.contact-box > p {
  margin: 0 auto 30px;
  max-width: 600px;
}

.contact-note {
  margin-top: 14px !important;
  font-size: 0.75rem !important;
  color: #74818b !important;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px 0;
  color: var(--muted);
  font-size: 0.8rem;
}

.footer-wrap {
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

.footer-wrap div {
  display: flex;
  flex-direction: column;
}

.footer-wrap strong {
  color: var(--white);
  letter-spacing: 0.12em;
}

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

  .site-header {
    position: relative;
  }

  .nav-wrap {
    padding: 14px 0;
    align-items: flex-start;
  }

  nav {
    gap: 10px;
    flex-wrap: wrap;
    justify-content: flex-end;
    font-size: 0.78rem;
  }

  nav a:not(.nav-cta) {
    display: none;
  }

  .nav-cta {
    padding: 7px 9px;
  }

  .hero {
    min-height: 590px;
  }

  .hero-content {
    padding: 70px 0;
  }

  h1 {
    font-size: clamp(2.8rem, 14vw, 4.5rem);
  }

  section {
    padding: 72px 0;
  }

  .service-grid,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .feature-grid {
    gap: 20px;
  }

  .service-card {
    min-height: auto;
  }

  .footer-wrap {
    flex-direction: column;
  }
}