/* Mega Casino ES – Site 4 | Prefix: arena- / ac- / alv- */
/* Font: Inter | Theme: Dark Red-Gold */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'Inter', sans-serif; background: #1a1a1a; color: #f0f0f0; line-height: 1.65; padding-bottom: 60px; }
img { display: block; max-width: 100%; height: auto; }
a { color: #C9A227; text-decoration: none; }
.shell { max-width: 1280px; margin: 0 auto; padding: 0 20px; }

/* Buttons */
.arena-cta {
    display: inline-block;
    background: linear-gradient(135deg, #C9A227 0%, #D4AF37 100%);
    color: #111;
    font-weight: 700;
    font-size: 14px;
    padding: 12px 28px;
    border-radius: 2px;
    text-decoration: none;
    transition: opacity .2s, transform .15s;
    box-shadow: 0 3px 14px rgba(201,162,39,.3);
}
.arena-cta:hover { opacity: .9; transform: translateY(-2px); }

.arena-cta-sec {
    display: inline-block;
    border: 2px solid #C9A227;
    color: #C9A227;
    font-weight: 700;
    font-size: 13px;
    padding: 9px 22px;
    border-radius: 2px;
    text-decoration: none;
    transition: background .2s, color .2s;
}
.arena-cta-sec:hover { background: #C9A227; color: #111; }

/* Promo bar */
.arena-bar {
    position: fixed; bottom: 0; left: 0; right: 0;
    background: #C9A227; color: #111; z-index: 9999;
    padding: 11px 20px;
    display: flex; align-items: center; justify-content: space-between; gap: 10px;
    font-weight: 700; font-size: 13px;
}
.arena-bar a { background: #1a1a1a; color: #C9A227; padding: 7px 18px; border-radius: 2px; text-decoration: none; font-weight: 800; font-size: 13px; white-space: nowrap; }
.arena-bar-close { cursor: pointer; background: none; border: none; font-size: 18px; color: #111; }

/* Header */
.arena-header { position: sticky; top: 0; background: #111111; border-bottom: 2px solid #C9A227; z-index: 999; }
.arena-header__row { display: flex; align-items: center; justify-content: space-between; padding: 13px 20px; gap: 16px; }
.arena-logo img { height: 40px; width: auto; }
.arena-nav ul { display: flex; gap: 24px; list-style: none; }
.arena-nav a { color: #d0d0d0; text-decoration: none; font-size: 13px; font-weight: 600; transition: color .2s; }
.arena-nav a:hover { color: #C9A227; }
.arena-signup a { background: #C9A227; color: #111; padding: 9px 20px; border-radius: 2px; font-weight: 700; font-size: 13px; text-decoration: none; transition: background .2s; }
.arena-signup a:hover { background: #D4AF37; }
.arena-hm { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; }
.arena-hm span { display: block; width: 22px; height: 2px; background: #C9A227; }

/* TOC */
.arena-toc { background: #161616; border-bottom: 1px solid #2a2a2a; padding: 9px 0; overflow-x: auto; }
.arena-toc-list { display: flex; gap: 4px; list-style: none; white-space: nowrap; }
.arena-toc-list a { display: inline-block; color: #a0a0a0; font-size: 12px; font-weight: 600; padding: 5px 12px; border-radius: 2px; transition: background .2s, color .2s; text-decoration: none; }
.arena-toc-list a:hover { background: #C9A227; color: #111; }

/* Hero */
.arena-hero { padding: 60px 0; background: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%); }
.arena-hero__wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.arena-hero__copy h1 { font-size: 38px; font-weight: 800; color: #fff; line-height: 1.2; margin-bottom: 18px; }
.arena-hero__copy p { font-size: 14px; color: #c8c8c8; margin-bottom: 26px; }
.arena-hero__shot img { border-radius: 6px; box-shadow: 0 10px 44px rgba(0,0,0,.7); }

/* How section */
.arena-how { padding: 60px 0; background: #131313; }
.arena-how h2 { font-size: 28px; font-weight: 800; color: #C9A227; margin-bottom: 12px; }
.arena-how > .shell > p { font-size: 14px; color: #a0a0a0; max-width: 760px; margin-bottom: 30px; }
.arena-steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.arena-step { display: flex; gap: 14px; align-items: flex-start; background: #1e1e1e; border: 1px solid #2c2c2c; border-radius: 6px; padding: 16px; transition: border-color .2s, transform .2s; }
.arena-step:hover { border-color: #C9A227; transform: translateY(-2px); }
.as-num { min-width: 32px; height: 32px; background: #C9A227; color: #111; font-size: 15px; font-weight: 800; display: flex; align-items: center; justify-content: center; border-radius: 2px; flex-shrink: 0; }
.as-info strong { display: block; font-size: 13px; font-weight: 700; color: #fff; margin-bottom: 3px; }
.as-info p { font-size: 12px; color: #909090; }

/* Games */
.arena-games { padding: 60px 0; background: #1a1a1a; }
.arena-games h2 { font-size: 28px; font-weight: 800; color: #C9A227; margin-bottom: 12px; }
.arena-games > .shell > p { font-size: 14px; color: #a0a0a0; max-width: 760px; margin-bottom: 28px; }
.arena-cats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 48px; }
.ac-card { background: #1e1e1e; border: 1px solid #2c2c2c; border-radius: 8px; overflow: hidden; transition: border-color .2s, transform .2s; }
.ac-card:hover { border-color: #C9A227; transform: translateY(-4px); }
.ac-card img { width: 100%; height: 170px; object-fit: cover; }
.ac-body { padding: 14px; }
.ac-body h3 { font-size: 14px; font-weight: 700; color: #fff; margin-bottom: 5px; }
.ac-body p { font-size: 12px; color: #909090; }

.arena-subcat { margin-top: 48px; }
.arena-subcat h3 { font-size: 20px; font-weight: 700; color: #D4AF37; margin-bottom: 10px; }
.arena-subcat > p { font-size: 13px; color: #a0a0a0; max-width: 760px; margin-bottom: 20px; }

.arena-slots { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.asl { background: #1e1e1e; border: 1px solid #2c2c2c; border-radius: 6px; overflow: hidden; transition: border-color .2s; }
.asl:hover { border-color: #C9A227; }
.asl img { width: 100%; height: 96px; object-fit: cover; }
.asl span { display: block; font-size: 11px; font-weight: 600; color: #ccc; text-align: center; padding: 5px 4px; }

.arena-live { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.alv { background: #202020; border: 1px solid #2c2c2c; border-radius: 8px; overflow: hidden; transition: border-color .2s, transform .2s; text-align: center; }
.alv:hover { border-color: #C9A227; transform: translateY(-3px); }
.alv img { width: 100%; height: 132px; object-fit: cover; }
.alv span { display: block; font-size: 12px; font-weight: 700; color: #ddd; padding: 8px; }

/* Registro */
.arena-reg { padding: 60px 0; background: #131313; }
.arena-reg__layout { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.arena-reg__img img { border-radius: 8px; box-shadow: 0 8px 36px rgba(0,0,0,.6); }
.arena-reg__copy h2 { font-size: 28px; font-weight: 800; color: #C9A227; margin-bottom: 14px; }
.arena-reg__copy p { font-size: 14px; color: #c8c8c8; margin-bottom: 12px; }
.arena-reg__copy .arena-cta { margin-top: 10px; }

/* Payments */
.arena-payments { padding: 60px 0; background: #1a1a1a; }
.arena-payments h2 { font-size: 28px; font-weight: 800; color: #C9A227; margin-bottom: 12px; }
.arena-payments > .shell > p { font-size: 14px; color: #a0a0a0; max-width: 760px; margin-bottom: 22px; }
.arena-pay-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 30px; }
.arena-pay-row img { height: 36px; max-width: 80px; background: #fff; padding: 4px 8px; border-radius: 6px; object-fit: contain; }
.arena-bizum { display: inline-flex; align-items: center; height: 36px; background: #fff; color: #111; font-weight: 800; font-size: 13px; padding: 4px 12px; border-radius: 6px; }
.arena-pay-tables { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.arena-pay-tables h3 { font-size: 18px; font-weight: 700; color: #D4AF37; margin-bottom: 8px; }
.arena-pay-tables > div > p { font-size: 13px; color: #a0a0a0; margin-bottom: 12px; }
.arena-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.arena-table th { background: #1e1e1e; color: #C9A227; font-weight: 700; padding: 9px 12px; text-align: left; border-bottom: 2px solid #C9A227; }
.arena-table td { padding: 9px 12px; border-bottom: 1px solid #2c2c2c; color: #d8d8d8; }
.arena-table tr:hover td { background: #1e1e1e; }

/* How to play */
.arena-howplay { padding: 60px 0; background: #131313; }
.arena-howplay h2 { font-size: 28px; font-weight: 800; color: #C9A227; margin-bottom: 12px; }
.arena-howplay > .shell > p { font-size: 14px; color: #a0a0a0; max-width: 760px; margin-bottom: 28px; }
.arena-how-steps { display: flex; flex-direction: column; gap: 12px; margin-bottom: 28px; }
.ahs { display: flex; gap: 16px; align-items: flex-start; background: #1e1e1e; border-radius: 6px; padding: 15px 18px; border-left: 3px solid #C9A227; }
.ahs-n { font-size: 22px; font-weight: 800; color: #C9A227; min-width: 38px; line-height: 1.2; }
.ahs div { font-size: 13px; color: #c0c0c0; line-height: 1.6; }
.ahs strong { color: #fff; }

/* Bonos */
.arena-bonos { padding: 60px 0; background: #1a1a1a; }
.arena-bonos h2 { font-size: 28px; font-weight: 800; color: #C9A227; margin-bottom: 12px; }
.arena-bonos > .shell > p { font-size: 14px; color: #a0a0a0; max-width: 760px; margin-bottom: 32px; }
.arena-bonus-group { margin-top: 42px; }
.arena-bonus-group h3 { font-size: 20px; font-weight: 700; color: #D4AF37; margin-bottom: 10px; }
.arena-bonus-group > p { font-size: 13px; color: #a0a0a0; max-width: 700px; margin-bottom: 20px; }
.arena-bonus-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.abc { background: #1e1e1e; border: 1px solid #2c2c2c; border-radius: 8px; overflow: hidden; transition: border-color .2s, transform .2s; }
.abc:hover { border-color: #C9A227; transform: translateY(-3px); }
.abc img { width: 100%; height: 128px; object-fit: cover; }
.abc-body { padding: 12px 14px; }
.abc-body strong { display: block; font-size: 13px; font-weight: 700; color: #fff; margin-bottom: 4px; }
.abc-body p { font-size: 12px; color: #909090; }
.arena-flat { display: flex; align-items: center; gap: 22px; background: #1e1e1e; border: 1px solid #2c2c2c; border-radius: 8px; padding: 18px; }
.arena-flat img { border-radius: 6px; flex-shrink: 0; max-width: 240px; }
.arena-flat-info strong { display: block; font-size: 17px; font-weight: 700; color: #fff; margin-bottom: 8px; }
.arena-flat-info p { font-size: 13px; color: #a0a0a0; margin-bottom: 14px; }

/* Win */
.arena-win { padding: 60px 0; background: #131313; }
.arena-win h2 { font-size: 28px; font-weight: 800; color: #C9A227; margin-bottom: 12px; }
.arena-win > .shell > p { font-size: 14px; color: #a0a0a0; max-width: 760px; margin-bottom: 26px; }
.arena-tips { display: flex; flex-direction: column; gap: 10px; }
.arena-tip { display: flex; gap: 14px; align-items: flex-start; background: #1e1e1e; border-radius: 6px; padding: 14px 16px; border: 1px solid #2c2c2c; transition: border-color .2s; }
.arena-tip:hover { border-color: #C9A227; }
.arena-tip svg { flex-shrink: 0; margin-top: 2px; }
.arena-tip div { font-size: 13px; color: #c0c0c0; line-height: 1.6; }
.arena-tip strong { color: #fff; }

/* FAQ */
.arena-faq { padding: 60px 0; background: #1a1a1a; }
.arena-faq h2 { font-size: 28px; font-weight: 800; color: #C9A227; margin-bottom: 24px; }
.arena-faq-list { display: flex; flex-direction: column; gap: 8px; max-width: 840px; }
.af-item { background: #1e1e1e; border: 1px solid #2c2c2c; border-radius: 6px; overflow: hidden; transition: border-color .2s; }
.af-item[open] { border-color: #C9A227; }
.af-item summary { cursor: pointer; padding: 14px 18px; list-style: none; display: flex; align-items: center; justify-content: space-between; }
.af-item summary::-webkit-details-marker { display: none; }
.af-item summary h3 { font-size: 14px; font-weight: 700; color: #fff; margin: 0; }
.af-item summary::after { content: '+'; font-size: 20px; color: #C9A227; font-weight: 700; }
.af-item[open] summary::after { content: '−'; }
.af-item p { padding: 0 18px 14px; font-size: 13px; color: #a0a0a0; line-height: 1.65; }

/* Author */
.arena-author { padding: 36px 0; background: #131313; border-top: 1px solid #2c2c2c; }
.arena-author-card { display: flex; align-items: center; gap: 16px; }
.arena-author-card img { width: 68px; height: 68px; border-radius: 50%; object-fit: cover; border: 2px solid #C9A227; flex-shrink: 0; }
.arena-author-info strong { display: block; font-size: 14px; font-weight: 700; color: #fff; margin-bottom: 4px; }
.arena-author-info span { font-size: 12px; color: #909090; }

/* Footer */
.arena-footer { background: #0d0d0d; border-top: 2px solid #C9A227; padding: 30px 0; }
.arena-footer-inner { display: flex; gap: 28px; align-items: flex-start; }
.arena-footer-legal p { font-size: 12px; color: #606060; margin-bottom: 6px; line-height: 1.5; }
.arena-footer-legal strong { color: #C9A227; }

/* Responsive */
@media (max-width: 767px) {
    .arena-nav { display: none; }
    .arena-nav.open { display: block; position: absolute; top: 66px; left: 0; right: 0; background: #111111; padding: 16px 20px; border-top: 1px solid #2c2c2c; }
    .arena-nav.open ul { flex-direction: column; gap: 12px; }
    .arena-hm { display: flex; }
    .arena-signup { display: none; }
    .arena-hero { padding: 36px 0; }
    .arena-hero__wrap { grid-template-columns: 1fr; }
    .arena-hero__shot { display: none; }
    .arena-hero__copy h1 { font-size: 26px; }
    .arena-steps-grid { grid-template-columns: 1fr; }
    .arena-cats { grid-template-columns: 1fr; }
    .arena-slots { grid-template-columns: repeat(2, 1fr); }
    .arena-live { grid-template-columns: repeat(2, 1fr); }
    .arena-reg__layout { grid-template-columns: 1fr; }
    .arena-reg__img { display: none; }
    .arena-pay-tables { grid-template-columns: 1fr; }
    .arena-bonus-cards { grid-template-columns: 1fr; }
    .arena-flat { flex-direction: column; }
    .arena-flat img { max-width: 100%; }
    .arena-footer-inner { flex-direction: column; }
    .arena-author-card { flex-direction: column; align-items: flex-start; }
}
@media (min-width: 768px) and (max-width: 1023px) {
    .arena-steps-grid { grid-template-columns: repeat(2, 1fr); }
    .arena-cats { grid-template-columns: repeat(2, 1fr); }
    .arena-slots { grid-template-columns: repeat(3, 1fr); }
    .arena-live { grid-template-columns: repeat(2, 1fr); }
    .arena-bonus-cards { grid-template-columns: repeat(2, 1fr); }
    .arena-hero__copy h1 { font-size: 30px; }
}
@media (min-width: 1024px) { .arena-hero__copy h1 { font-size: 40px; } }
@media (min-width: 1440px) { .arena-hero__copy h1 { font-size: 46px; } }
