/* SEMA — paleta basada en el escudo (rojo, blanco, azul, dorado, navy) */
:root {
    --c-red: #d52b1e;
    --c-red-dark: #a8190f;
    --c-blue: #0038a8;
    --c-blue-dark: #001f5e;
    --c-gold: #ffd700;
    --c-navy: #0a1530;
    --c-bg: #f6f7fb;
    --c-bg-dark: #0a1530;
    --c-text: #14213d;
    --c-text-soft: #495572;
    --c-border: #e3e6ef;
    --c-card: #ffffff;
    --c-success: #1a8754;
    --c-warn: #b58400;
    --c-danger: #b3261e;

    --r-sm: 6px;
    --r-md: 10px;
    --r-lg: 18px;
    --shadow-1: 0 1px 2px rgba(10,21,48,.06), 0 2px 8px rgba(10,21,48,.08);
    --shadow-2: 0 4px 14px rgba(10,21,48,.10), 0 14px 40px rgba(10,21,48,.12);

    --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
    --font-display: "Bebas Neue", Impact, "Arial Narrow", sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    font-family: var(--font-base);
    color: var(--c-text);
    background: var(--c-bg);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--c-blue); text-decoration: none; }
a:hover { color: var(--c-red); }
h1, h2, h3 { color: var(--c-navy); margin: 0 0 .5em; line-height: 1.15; }
h1 { font-size: 2.4rem; }
h2 { font-size: 1.8rem; }
h3 { font-size: 1.3rem; }

/* ---------- layout ---------- */
.container { max-width: 1140px; margin: 0 auto; padding: 0 20px; }
.container-narrow { max-width: 820px; margin: 0 auto; padding: 0 20px; }

/* ---------- topbar ---------- */
.topbar {
    background: var(--c-navy);
    color: #fff;
    border-bottom: 4px solid var(--c-red);
}
.topbar-inner {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 20px; max-width: 1140px; margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 12px; color: #fff; font-weight: 700; }
.brand img { width: 44px; height: 44px; object-fit: contain; }
.brand-name { font-family: var(--font-display); letter-spacing: 2px; font-size: 1.6rem; }
.nav { display: flex; gap: 18px; align-items: center; }
.nav a { color: #fff; padding: 8px 12px; border-radius: var(--r-sm); }
.nav a:hover { background: rgba(255,255,255,.12); color: #fff; }
.nav a.cta { background: var(--c-red); }
.nav a.cta:hover { background: var(--c-red-dark); }

/* ---------- hero ---------- */
.hero {
    position: relative;
    color: #fff;
    background:
      linear-gradient(135deg, rgba(10,21,48,.85), rgba(0,56,168,.6)),
      radial-gradient(ellipse at 70% 20%, rgba(213,43,30,.4), transparent 60%),
      var(--c-navy);
    padding: 80px 0 100px;
    overflow: hidden;
}
.hero::after {
    content: '';
    position: absolute; inset: auto 0 0 0; height: 12px;
    background: repeating-linear-gradient(45deg, #fff 0 12px, #111 12px 24px);
    opacity: .85;
}
.hero h1 { color: #fff; font-family: var(--font-display); letter-spacing: 2px; font-size: 3.2rem; }
.hero p.lead { font-size: 1.2rem; max-width: 640px; opacity: .92; }
.hero .cta-row { margin-top: 24px; display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- buttons ---------- */
.btn {
    display: inline-block; padding: 12px 22px; border-radius: var(--r-md);
    font-weight: 700; letter-spacing: .3px; cursor: pointer;
    border: 0; text-decoration: none; transition: transform .05s, background .2s, color .2s;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--c-red); color: #fff; }
.btn-primary:hover { background: var(--c-red-dark); color: #fff; }
.btn-secondary { background: var(--c-blue); color: #fff; }
.btn-secondary:hover { background: var(--c-blue-dark); color: #fff; }
.btn-outline { background: transparent; color: #fff; border: 2px solid #fff; }
.btn-outline:hover { background: #fff; color: var(--c-navy); }
.btn-ghost { background: transparent; color: var(--c-blue); }
.btn-ghost:hover { background: rgba(0,56,168,.1); }
.btn-sm { padding: 6px 12px; font-size: .85rem; }
.btn-danger { background: var(--c-danger); color: #fff; }
.btn-success { background: var(--c-success); color: #fff; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

/* ---------- secciones ---------- */
section { padding: 60px 0; }
.section-title { text-align: center; margin-bottom: 36px; }
.section-title small { color: var(--c-red); font-weight: 700; letter-spacing: 2px; text-transform: uppercase; }
.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 800px) { .grid-3 { grid-template-columns: 1fr; } }

.card {
    background: var(--c-card);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-1);
    overflow: hidden;
}
.card-body { padding: 22px; }
.card .meta { color: var(--c-text-soft); font-size: .85rem; margin-bottom: 6px; }
.card h3 { margin: 0 0 8px; }

/* ---------- forms ---------- */
.form { display: grid; gap: 14px; }
.form .field { display: grid; gap: 6px; }
.form label { font-weight: 600; font-size: .92rem; color: var(--c-text); }
.form input, .form select, .form textarea {
    width: 100%; padding: 10px 12px;
    border: 1px solid var(--c-border); border-radius: var(--r-sm);
    font: inherit; background: #fff; color: var(--c-text);
}
.form textarea { min-height: 110px; resize: vertical; }
.form input:focus, .form select:focus, .form textarea:focus {
    outline: 2px solid var(--c-blue); outline-offset: 1px;
}
.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 600px) { .row-2 { grid-template-columns: 1fr; } }

/* ---------- flash ---------- */
.flash { padding: 12px 16px; border-radius: var(--r-md); margin: 14px 0; }
.flash.ok   { background: #e6f7ee; color: #135f3a; border: 1px solid #a7e1c1; }
.flash.warn { background: #fff7e0; color: #6b4e00; border: 1px solid #f0d28a; }
.flash.err  { background: #fdecec; color: #7a1a14; border: 1px solid #f1b9b3; }

/* ---------- tablas (admin) ---------- */
.table { width: 100%; border-collapse: collapse; background: #fff; border-radius: var(--r-md); overflow: hidden; box-shadow: var(--shadow-1); }
.table th, .table td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--c-border); font-size: .92rem; vertical-align: top; }
.table th { background: #f0f3fa; color: var(--c-navy); }
.table tr:last-child td { border-bottom: 0; }

.badge { display: inline-block; padding: 2px 10px; font-size: .75rem; border-radius: 999px; font-weight: 700; letter-spacing: .3px; text-transform: uppercase; }
.badge-pending   { background: #fff7e0; color: #6b4e00; }
.badge-confirmed { background: #e6f7ee; color: #135f3a; }
.badge-rejected  { background: #fdecec; color: #7a1a14; }
.badge-cancelled { background: #ececec; color: #444; }

/* ---------- footer ---------- */
.site-footer {
    background: var(--c-navy); color: #cfd6e6;
    padding: 36px 0; margin-top: 60px;
    border-top: 4px solid var(--c-gold);
}
.site-footer a { color: #fff; }

/* ---------- admin layout ---------- */
.admin-shell { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }
.admin-side {
    background: var(--c-navy); color: #fff;
    padding: 20px 12px; position: sticky; top: 0; align-self: start; height: 100vh; overflow: auto;
}
.admin-side .brand { color: #fff; padding: 0 8px 14px; border-bottom: 1px solid rgba(255,255,255,.15); margin-bottom: 14px; }
.admin-side a { display: block; color: #cfd6e6; padding: 10px 12px; border-radius: var(--r-sm); margin-bottom: 4px; font-size: .94rem; }
.admin-side a:hover { background: rgba(255,255,255,.08); color: #fff; }
.admin-side a.active { background: var(--c-red); color: #fff; }
.admin-main { padding: 24px 28px; }
.admin-bar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }
.admin-bar h1 { margin: 0; }
.admin-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px; }
.admin-stat { background: #fff; border-radius: var(--r-md); padding: 18px; box-shadow: var(--shadow-1); }
.admin-stat .num { font-size: 2rem; font-weight: 700; color: var(--c-blue); }
.admin-stat .lbl { color: var(--c-text-soft); font-size: .85rem; text-transform: uppercase; letter-spacing: 1px; }

@media (max-width: 800px) {
    .admin-shell { grid-template-columns: 1fr; }
    .admin-side { position: static; height: auto; }
    .admin-stats { grid-template-columns: repeat(2, 1fr); }
}

/* utilidades */
.text-muted { color: var(--c-text-soft); }
.mt-0 { margin-top: 0; } .mt-1 { margin-top: .5rem; } .mt-2 { margin-top: 1rem; } .mt-3 { margin-top: 1.5rem; }
.mb-0 { margin-bottom: 0; } .mb-2 { margin-bottom: 1rem; }
.right { text-align: right; }
.center { text-align: center; }
.flex-row { display: flex; gap: 10px; align-items: center; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.tight { line-height: 1.25; }
hr.sep { border: 0; border-top: 1px solid var(--c-border); margin: 24px 0; }