/* ============================================
   Invitaciones Pixelcore — estilos base
   Paleta neutra/elegante (independiente de la
   marca tech de pixelcore.com.mx, pensada para
   bodas / XV años / bautizos / cumpleaños)
   ============================================ */

:root {
    --gold: #c9a15a;
    --gold-dark: #a8823f;
    --ink: #2b2b2b;
    --ink-soft: #5c5c5c;
    --paper: #faf8f5;
    --paper-card: #ffffff;
    --border: #e7e1d6;
    --success: #4c8c6b;
    --danger: #b8503f;
    --radius: 14px;
    --shadow: 0 8px 24px rgba(43, 43, 43, 0.08);
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: var(--font-body);
    background: var(--paper);
    color: var(--ink);
    line-height: 1.6;
}

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

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

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- Topbar ---------- */
.topbar {
    background: var(--paper-card);
    border-bottom: 1px solid var(--border);
    padding: 18px 0;
}
.topbar .container { display: flex; align-items: center; justify-content: space-between; }
.brand { font-family: var(--font-display); font-size: 22px; letter-spacing: 0.5px; }
.brand small { display: block; font-family: var(--font-body); font-size: 11px; color: var(--ink-soft); letter-spacing: 2px; text-transform: uppercase; }
.topbar nav a {
    margin-left: 24px;
    font-size: 14px;
    color: var(--ink-soft);
}
.topbar nav a:hover { color: var(--gold-dark); }

/* ---------- Hero ---------- */
.hero {
    text-align: center;
    padding: 72px 24px 48px;
}
.hero h1 {
    font-family: var(--font-display);
    font-size: 42px;
    margin: 0 0 12px;
}
.hero p { color: var(--ink-soft); font-size: 17px; max-width: 560px; margin: 0 auto; }

/* ---------- Category grid (catálogo) ---------- */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 24px;
    padding: 24px 0 64px;
}
.card {
    background: var(--paper-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: transform .2s ease;
}
.card:hover { transform: translateY(-4px); }
.card-img {
    height: 180px;
    background-size: cover;
    background-position: center;
}
.card-body { padding: 20px; }
.card-body h3 { font-family: var(--font-display); margin: 0 0 6px; font-size: 20px; }
.card-body p { color: var(--ink-soft); font-size: 14px; margin: 0 0 16px; }
.btn {
    display: inline-block;
    padding: 11px 22px;
    border-radius: 30px;
    background: var(--gold);
    color: #fff;
    font-size: 13px;
    letter-spacing: 1px;
    text-transform: uppercase;
    border: none;
    cursor: pointer;
    font-family: var(--font-body);
    font-weight: 600;
}
.btn:hover { background: var(--gold-dark); }
.btn-outline {
    background: transparent;
    color: var(--gold-dark);
    border: 1px solid var(--gold);
}
.btn-block { display: block; width: 100%; text-align: center; }

/* ---------- Paquetes ---------- */
.packages { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px,1fr)); gap: 20px; padding: 24px 0 64px; }
.package { background: var(--paper-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px 24px; }
.package h4 { font-family: var(--font-display); font-size: 22px; margin: 0 0 4px; }
.package .tag { font-size: 12px; text-transform: uppercase; letter-spacing: 1px; color: var(--gold-dark); }
.package ul { padding-left: 18px; color: var(--ink-soft); font-size: 14px; }
.package.featured { border-color: var(--gold); box-shadow: var(--shadow); }

/* ---------- Invitación individual ---------- */
.invite { max-width: 640px; margin: 0 auto; }
.invite-cover {
    min-height: 60vh;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #fff;
    position: relative;
}
.invite-cover::after {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(180deg, rgba(0,0,0,.15), rgba(0,0,0,.55));
}
.invite-cover .cover-text { position: relative; z-index: 1; padding: 24px; }
.invite-cover .eyebrow { letter-spacing: 3px; text-transform: uppercase; font-size: 13px; opacity: .9; }
.invite-cover h1 { font-family: var(--font-display); font-size: 48px; margin: 10px 0; }
.invite-cover .date { font-size: 16px; }
.cover-video {
    position: absolute; inset: 0;
    width: 100%; height: 100%;
    object-fit: cover;
    z-index: 0;
}

.music-btn {
    position: fixed; bottom: 20px; right: 20px;
    width: 50px; height: 50px; border-radius: 50%;
    background: var(--gold); color: #fff; border: none;
    font-size: 18px; cursor: pointer; box-shadow: var(--shadow);
    z-index: 99; opacity: 0.65; transition: opacity .2s ease;
}
.music-btn.is-playing { opacity: 1; animation: music-pulse 1.6s ease-in-out infinite; }
.music-btn.is-paused { opacity: 0.55; animation: music-nudge 2s ease-in-out infinite; }
@keyframes music-pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(0,0,0,0.15), var(--shadow); }
    50% { box-shadow: 0 0 0 8px rgba(0,0,0,0), var(--shadow); }
}
@keyframes music-nudge {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.12); }
}

.section { padding: 48px 24px; text-align: center; border-bottom: 1px solid var(--border); }
.section h2 { font-family: var(--font-display); font-size: 28px; margin: 0 0 8px; }
.section .sub { color: var(--ink-soft); margin-bottom: 24px; }

.countdown { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.countdown .unit { min-width: 76px; }
.countdown .num { font-family: var(--font-display); font-size: 34px; color: var(--gold-dark); }
.countdown .label { font-size: 12px; text-transform: uppercase; letter-spacing: 1px; color: var(--ink-soft); }

.venue-card { background: var(--paper-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; max-width: 420px; margin: 0 auto 16px; text-align: left; }
.venue-card h3 { font-family: var(--font-display); margin: 0 0 4px; }
.venue-card p { margin: 2px 0; color: var(--ink-soft); font-size: 14px; }

.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; max-width: 480px; margin: 0 auto; }
.gallery img { border-radius: 8px; aspect-ratio: 1; object-fit: cover; }

.rsvp-form { max-width: 420px; margin: 0 auto; text-align: left; }
.rsvp-form label { display: block; font-size: 13px; margin: 14px 0 6px; color: var(--ink-soft); }
.rsvp-form input, .rsvp-form select, .rsvp-form textarea {
    width: 100%; padding: 11px 14px; border: 1px solid var(--border); border-radius: 8px;
    font-family: var(--font-body); font-size: 14px; background: #fff;
}
.rsvp-form .attending-toggle { display: flex; gap: 10px; margin-top: 8px; }
.rsvp-form .attending-toggle label {
    flex: 1; margin: 0; text-align: center; padding: 12px; border: 1px solid var(--border);
    border-radius: 8px; cursor: pointer; color: var(--ink);
}
.rsvp-form .attending-toggle input { display: none; }
.rsvp-form .attending-toggle input:checked + span { font-weight: 700; }
.rsvp-form .attending-toggle label:has(input:checked) { border-color: var(--gold); background: #fbf3e4; }

.footer-credit { text-align: center; padding: 32px 24px; font-size: 12px; color: var(--ink-soft); }
.footer-credit a { color: var(--gold-dark); font-weight: 600; }

.alert { padding: 14px 18px; border-radius: 8px; font-size: 14px; margin-bottom: 16px; }
.alert-success { background: #e7f3ec; color: var(--success); }
.alert-error { background: #f7e9e6; color: var(--danger); }

/* ---------- Admin ---------- */
.admin-body { background: #f4f4f6; font-family: var(--font-body); }
.admin-wrap { max-width: 960px; margin: 40px auto; padding: 0 20px; }
.admin-card { background: #fff; border-radius: 12px; box-shadow: var(--shadow); padding: 28px; margin-bottom: 20px; }
table.admin-table { width: 100%; border-collapse: collapse; font-size: 14px; }
table.admin-table th, table.admin-table td { text-align: left; padding: 10px 12px; border-bottom: 1px solid #eee; }
table.admin-table th { color: var(--ink-soft); font-weight: 600; font-size: 12px; text-transform: uppercase; }
.badge { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 12px; }
.badge-si { background: #e7f3ec; color: var(--success); }
.badge-no { background: #f7e9e6; color: var(--danger); }
.login-box { max-width: 360px; margin: 90px auto; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; margin-bottom: 6px; color: var(--ink-soft); }
.field input { width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; }

@media (max-width: 600px) {
    .hero h1 { font-size: 30px; }
    .invite-cover h1 { font-size: 34px; }
    .gallery { grid-template-columns: repeat(2, 1fr); }
}