:root {
    --navy: #0b2a4a;
    --navy-2: #12406e;
    --accent: #c8963e;
    --ink: #1c2733;
    --muted: #5a6877;
    --bg: #ffffff;
    --bg-alt: #f3f6fa;
    --line: #dde4ec;
    --radius: 14px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 4.5rem; }

body {
    margin: 0;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--ink);
    background: var(--bg);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--navy-2); }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .6em; color: var(--navy); }
h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); }
h3 { font-size: 1.1rem; margin-bottom: .3em; }
p { margin: 0 0 1em; }

.wrap { width: min(1100px, 100% - 2.5rem); margin-inline: auto; }
.narrow { width: min(760px, 100% - 2.5rem); }
.muted { color: var(--muted); }

.skip { position: absolute; left: -999px; top: 0; background: #fff; padding: .5rem 1rem; z-index: 100; }
.skip:focus { left: 0; }

/* Barra superior */
.topbar {
    position: sticky; top: 0; z-index: 50;
    background: rgba(11, 42, 74, .96);
    backdrop-filter: blur(6px);
}
.topbar__inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .8rem 0; }
.brand { color: #fff; text-decoration: none; font-weight: 700; letter-spacing: .02em; }
.nav { display: flex; gap: 1.2rem; list-style: none; margin: 0; padding: 0; flex-wrap: wrap; }
.nav a { color: #dbe6f2; text-decoration: none; font-size: .95rem; }
.nav a:hover, .nav a:focus-visible { color: #fff; text-decoration: underline; text-underline-offset: 4px; }

/* Hero */
.hero {
    color: #fff;
    background:
        radial-gradient(1200px 500px at 85% -10%, rgba(200, 150, 62, .25), transparent 60%),
        linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 100%);
    padding: clamp(3.5rem, 10vw, 7rem) 0;
}
.hero h1 { color: #fff; font-size: clamp(2rem, 5.5vw, 3.6rem); margin-bottom: .35em; }
.eyebrow { text-transform: uppercase; letter-spacing: .14em; font-size: .8rem; color: var(--accent); font-weight: 600; }
.lead { font-size: clamp(1.05rem, 2vw, 1.3rem); max-width: 46rem; color: #e6eef7; }
.badges { display: flex; flex-wrap: wrap; gap: .6rem; list-style: none; padding: 0; margin: 1.5rem 0 0; }
.badges li {
    border: 1px solid rgba(255, 255, 255, .35);
    border-radius: 999px; padding: .35rem .9rem; font-size: .9rem; color: #fff;
}
.cta { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }
.btn {
    display: inline-block; padding: .75rem 1.4rem; border-radius: 10px;
    background: var(--accent); color: #1b1305; font-weight: 600; text-decoration: none;
    transition: transform .15s ease, filter .15s ease;
}
.btn:hover { transform: translateY(-1px); filter: brightness(1.05); }
.btn--ghost { background: transparent; color: #fff; border: 1px solid rgba(255, 255, 255, .6); }

/* Secciones */
.section { padding: clamp(3rem, 7vw, 5rem) 0; }
.section--alt { background: var(--bg-alt); }

.grid { display: grid; gap: 1.2rem; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.card {
    background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
    padding: 1.4rem 1.5rem; box-shadow: 0 1px 2px rgba(11, 42, 74, .04);
}
.card p:last-child { margin-bottom: 0; }

.timeline { list-style: none; margin: 0; padding: 0; display: grid; gap: 1.2rem; }
.timeline .card { border-left: 4px solid var(--accent); }

.chips { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .7rem; }
.chips li {
    background: #fff; border: 1px solid var(--line); border-radius: 999px;
    padding: .55rem 1.1rem; font-size: .98rem;
}

/* Pie */
.footer { background: var(--navy); color: #cfdbe9; padding: 2rem 0; font-size: .92rem; }
.footer p { margin: 0 0 .2rem; }
.footer .muted { color: #9fb3c9; }

a:focus-visible, .btn:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }

@media (max-width: 640px) {
    .topbar__inner { flex-direction: column; align-items: flex-start; gap: .4rem; }
    .nav { gap: .9rem; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .btn { transition: none; }
}