* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { min-height: 100vh; margin: 0; display: flex; flex-direction: column; background: var(--identity-paper); color: var(--identity-ink); line-height: 1.5; }
a { color: inherit; }
.home-canvas { flex: 1; min-height: 100vh; }
.site-header { --header-surface-opacity: 1; --header-backdrop-blur: .75rem; --header-backdrop-saturation: .8; position: fixed; z-index: 100; top: 1rem; right: max(1rem, env(safe-area-inset-right)); left: max(1rem, env(safe-area-inset-left)); width: min(calc(100% - 2rem - env(safe-area-inset-left) - env(safe-area-inset-right)), 1240px); min-height: 5.75rem; margin-inline: auto; padding: .3rem 1.75rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; border: 1px solid rgb(var(--identity-ink-rgb) / calc(var(--header-surface-opacity) * .1)); border-radius: 1rem; background: rgb(var(--identity-light-rgb) / var(--header-surface-opacity)); color: var(--identity-ink); box-shadow: 0 1.25rem 3rem rgb(var(--identity-dark-rgb) / calc(var(--header-surface-opacity) * .12)); backdrop-filter: blur(var(--header-backdrop-blur)) saturate(var(--header-backdrop-saturation)); transition: color .3s ease; will-change: background-color, border-color, box-shadow, color; -webkit-backdrop-filter: blur(var(--header-backdrop-blur)) saturate(var(--header-backdrop-saturation)); }
.site-brand { display: inline-flex; align-items: center; gap: .6rem; color: inherit; font-size: 1.6rem; font-weight: 700; line-height: 1; text-decoration: none; }
.site-header .site-brand { font-size: clamp(2.8rem, 4vw, 3.25rem); }
.brand-mark { width: .68em; height: .78em; flex: none; background: url('/assets/images/centinela-mark.svg') center/contain no-repeat; }
.page-home .site-header { --header-surface-opacity: .88; --header-backdrop-blur: .75rem; --header-backdrop-saturation: .9; color: var(--identity-ink); }
.page-home .site-header .site-brand { opacity: 1; transform: none; }
.site-navigation { display: flex; align-items: center; gap: 1.75rem; }
.site-navigation a { font-size: .9rem; font-weight: 650; text-decoration: none; }
.site-navigation a:hover, .site-navigation a:focus-visible { color: var(--identity-accent); }
.site-navigation .site-access { min-height: 2.5rem; padding: .5rem .9rem; display: inline-flex; align-items: center; border: 1px solid currentColor; }
.home-canvas { overflow: hidden; }
.hero { position: relative; min-height: 100vh; min-height: 100dvh; padding: 10rem max(1.5rem, calc((100% - 1240px) / 2)) 5rem; display: grid; grid-template-columns: minmax(0, 1.04fr) minmax(26rem, .96fr); align-items: center; gap: clamp(3rem, 8vw, 8rem); isolation: isolate; overflow: hidden; background: var(--identity-dark); color: var(--identity-light); }
.hero::before { content: ''; position: absolute; z-index: -2; inset: 0; background: radial-gradient(circle at 76% 44%, rgb(var(--alice-blue-rgb) / .22), transparent 32rem), radial-gradient(circle at 15% 82%, rgb(var(--bright-amber-rgb) / .2), transparent 38rem), var(--identity-dark); }
.hero::after { content: ''; position: absolute; z-index: -1; inset: 0; opacity: .22; background-image: linear-gradient(rgb(var(--white-rgb) / .08) 1px, transparent 1px), linear-gradient(90deg, rgb(var(--white-rgb) / .08) 1px, transparent 1px); background-size: 5rem 5rem; mask-image: linear-gradient(to bottom, transparent, var(--identity-ink) 25%, var(--identity-ink) 75%, transparent); }
.hero-copy { position: relative; z-index: 2; }
.hero h1 { max-width: 9ch; margin: 0; font-size: clamp(4.5rem, 9.5vw, 9.5rem); font-weight: 760; line-height: .86; letter-spacing: -.065em; text-wrap: balance; }
.hero h1 span { color: var(--bright-amber); }
.hero-copy p { max-width: 34rem; margin: 2rem 0 0; color: rgb(var(--white-rgb) / .78); font-size: clamp(1.05rem, 1.6vw, 1.35rem); letter-spacing: -.025em; }
.hero-action { min-height: 3.25rem; margin-top: 2.25rem; padding: .75rem 1.3rem; display: inline-flex; align-items: center; border: 1px solid var(--identity-light); color: var(--identity-light); font-weight: 750; text-decoration: none; }
.hero-action:hover, .hero-action:focus-visible { border-color: var(--identity-accent); background: var(--identity-accent); color: var(--identity-light); }
.hero-visual { position: relative; width: min(100%, 35rem); aspect-ratio: 1; justify-self: center; }
.radar { position: absolute; border: 1px solid rgb(var(--white-rgb) / .16); border-radius: 50%; }
.radar-outer { inset: 2%; }
.radar-middle { inset: 19%; }
.radar-inner { inset: 36%; }
.radar-core { position: absolute; z-index: 3; inset: calc(50% - .6rem); border: .25rem solid rgb(var(--white-rgb) / .9); border-radius: 50%; background: var(--bright-amber); box-shadow: 0 0 0 1rem rgb(var(--bright-amber-rgb) / .16), 0 0 3rem rgb(var(--bright-amber-rgb) / .55); }
.radar-sweep { position: absolute; z-index: 1; inset: 2%; overflow: hidden; border-radius: 50%; animation: radar-spin 8s linear infinite; }
.radar-sweep::before { content: ''; position: absolute; width: 50%; height: 50%; top: 0; left: 50%; transform-origin: left bottom; background: conic-gradient(from 270deg at 0 100%, rgb(var(--cerulean-rgb) / .48), transparent 36deg); }
.signal-card { position: absolute; z-index: 4; width: 10.5rem; padding: .85rem 1rem; border: 1px solid rgb(var(--white-rgb) / .2); border-radius: .75rem; background: rgb(var(--white-rgb) / .1); box-shadow: 0 1rem 2rem rgb(var(--black-rgb) / .2); backdrop-filter: blur(.8rem); -webkit-backdrop-filter: blur(.8rem); }
.signal-card span { display: block; color: rgb(var(--white-rgb) / .68); font-size: .72rem; font-weight: 700; letter-spacing: .02em; text-transform: uppercase; }
.signal-card strong { display: block; margin-top: .15rem; font-size: .95rem; letter-spacing: -.02em; }
.signal-card i { position: absolute; top: 1rem; right: 1rem; width: .55rem; height: .55rem; border-radius: 50%; background: var(--bright-amber); box-shadow: 0 0 0 .3rem rgb(var(--bright-amber-rgb) / .16); }
.signal-site { top: 12%; left: 0; }
.signal-domain { right: -2%; bottom: 24%; }
.signal-ssl { left: 12%; bottom: 4%; }
.coverage { background: var(--identity-paper); }
.section-heading { padding: clamp(5rem, 9vw, 9rem) max(1.5rem, calc((100% - 1240px) / 2)) clamp(3rem, 6vw, 5rem); }
.section-heading h2 { max-width: 11ch; margin: 0; font-size: clamp(3.8rem, 8vw, 8rem); line-height: .88; letter-spacing: -.06em; }
.coverage-grid { min-height: 42rem; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.coverage-item { min-width: 0; padding: clamp(1.5rem, 4vw, 3rem); display: flex; flex-direction: column; justify-content: space-between; gap: 5rem; color: var(--identity-ink); }
.coverage-item h3 { max-width: 8ch; margin: 0; font-size: clamp(2.5rem, 4vw, 4.5rem); line-height: .92; letter-spacing: -.055em; }
.coverage-item p { max-width: 25rem; margin: 1.25rem 0 0; font-size: clamp(1rem, 1.4vw, 1.2rem); letter-spacing: -.025em; }
.coverage-number { font-size: .8rem; font-weight: 800; letter-spacing: .06em; }
.coverage-sites { background: var(--alice-blue); }
.coverage-domains { background: var(--bright-amber); }
.coverage-ssl { background: var(--cerulean); color: var(--black); }
.control { min-height: 100vh; min-height: 100dvh; padding: clamp(6rem, 10vw, 10rem) max(1.5rem, calc((100% - 1240px) / 2)); display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(20rem, .92fr); align-items: center; gap: clamp(4rem, 10vw, 9rem); background: var(--identity-dark); color: var(--identity-light); }
.control h2 { max-width: 10ch; margin: 0; font-size: clamp(4rem, 8.5vw, 8rem); line-height: .9; letter-spacing: -.06em; }
.control-list { border-top: 1px solid rgb(var(--white-rgb) / .18); }
.control-list article { padding: 1.5rem 0; display: grid; grid-template-columns: 2.5rem 8rem 1fr; align-items: baseline; gap: 1rem; border-bottom: 1px solid rgb(var(--white-rgb) / .18); }
.control-list span { color: var(--bright-amber); font-size: .72rem; font-weight: 800; }
.control-list h3, .control-list p { margin: 0; }
.control-list h3 { font-size: 1.2rem; }
.control-list p { color: rgb(var(--white-rgb) / .68); letter-spacing: -.02em; }
.closing { min-height: 75vh; padding: clamp(5rem, 9vw, 9rem) max(1.5rem, calc((100% - 1240px) / 2)); display: flex; align-items: flex-end; justify-content: space-between; gap: 3rem; background: var(--bright-amber); color: var(--identity-ink); }
.closing h2 { max-width: 10ch; margin: 0; font-size: clamp(4rem, 9vw, 8.5rem); line-height: .88; letter-spacing: -.06em; }
.closing p { max-width: 38rem; margin: 2rem 0 0; font-size: clamp(1rem, 1.5vw, 1.25rem); }
.closing > a { min-height: 3.4rem; padding: .8rem 1.4rem; display: inline-flex; align-items: center; flex: none; border: 2px solid currentColor; font-weight: 800; text-decoration: none; }
.closing > a:hover, .closing > a:focus-visible { background: var(--identity-dark); color: var(--identity-light); }
.site-footer { width: min(calc(100% - 2rem), 1240px); margin: 0 auto; padding: 2rem 0; display: flex; align-items: center; justify-content: space-between; gap: 2rem; border-top: 1px solid var(--identity-line); }
.site-footer .site-brand { color: var(--identity-ink); font-size: 1.6rem; }
.site-footer small { color: var(--identity-muted); }
@keyframes radar-spin { to { transform: rotate(1turn); } }
@media (max-width: 900px) {
    .hero { grid-template-columns: 1fr; padding-top: 10rem; }
    .hero-visual { width: min(88vw, 31rem); }
    .coverage-grid { min-height: auto; grid-template-columns: 1fr; }
    .coverage-item { min-height: 22rem; }
    .control { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
    .site-header { top: .75rem; right: max(.75rem, env(safe-area-inset-right)); left: max(.75rem, env(safe-area-inset-left)); width: calc(100% - 1.5rem - env(safe-area-inset-left) - env(safe-area-inset-right)); min-height: 4.75rem; gap: .5rem; padding: .3rem .75rem; border-radius: .8rem; }
    .site-header .site-brand { flex: none; font-size: 2rem; }
    .site-navigation { min-width: 0; gap: .5rem; }
    .site-navigation > a:not(.site-access) { display: none; }
    .site-navigation .site-access { display: none; }
    .hero { padding-right: .75rem; padding-left: .75rem; }
    .hero h1 { font-size: clamp(4rem, 19vw, 6rem); }
    .signal-card { width: 8.5rem; padding: .65rem .75rem; }
    .signal-card i { top: .8rem; right: .75rem; }
    .coverage-item { padding: 1.5rem .75rem; }
    .control, .section-heading, .closing { padding-right: .75rem; padding-left: .75rem; }
    .control-list article { grid-template-columns: 2rem 1fr; }
    .control-list p { grid-column: 2; }
    .closing { min-height: 85vh; flex-direction: column; align-items: flex-start; justify-content: flex-end; }
    .site-footer { width: calc(100% - 1.5rem); }
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .site-header { transition: none; }
    .radar-sweep { animation: none; }
    .brand-wordmark::before, .brand-wordmark::after { animation: none; }
}