/* Reset & Variables - Luxury Casino Theme */
:root {
    --primary-color: #D4AF37;
    --primary-gold: #FFD700;
    --primary-gold-dark: #B8860B;
    --secondary-red: #DC143C;
    --secondary-green: #00C853;
    --bg-dark: #0a0a0f;
    --bg-darker: #050508;
    --bg-card: #14141f;
    --bg-card-hover: #1c1c2b;
    --text-main: #F5F5DC;
    --text-muted: #8a8a9a;
    --text-gold: #D4AF37;
    --header-bg: rgba(10, 10, 15, 0.95);
    --neon-glow: 0 0 20px rgba(212, 175, 55, 0.4);
    --card-border: linear-gradient(135deg, #D4AF37, #8B6914);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', 'Segoe UI', system-ui, sans-serif;
    color: var(--text-main);
    background: var(--bg-dark);
    background-image:
        radial-gradient(circle at 20% 20%, rgba(220, 20, 60, 0.06) 0%, transparent 40%),
        radial-gradient(circle at 80% 80%, rgba(212, 175, 55, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 50% 0%, rgba(0, 200, 83, 0.04) 0%, transparent 30%);
    line-height: 1.7;
    overflow-x: hidden;
    min-height: 100vh;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* Header */
header {
    background: linear-gradient(180deg, var(--bg-darker) 0%, var(--header-bg) 100%);
    backdrop-filter: blur(15px);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 2px solid transparent;
    border-image: linear-gradient(90deg, transparent, var(--primary-gold), transparent) 1;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.1rem 5%;
    position: relative;
}

.header-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(212, 175, 55, 0.3), transparent);
}

.logo img {
    height: 44px;
    filter: drop-shadow(0 0 8px rgba(255, 215, 0, 0.3));
}

.nav-list ul {
    display: flex;
    gap: 2rem;
}

.nav-list a {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    position: relative;
    padding: 0.4rem 0;
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-gold-dark), var(--primary-gold), var(--primary-gold-dark));
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateX(-50%);
    box-shadow: var(--neon-glow);
}

.nav-list a:hover {
    color: var(--text-gold);
}

.nav-list a:hover::after {
    width: 100%;
}

.header-auth .btn-signup {
    background: linear-gradient(135deg, var(--primary-gold-dark) 0%, var(--primary-gold) 50%, var(--primary-gold-dark) 100%);
    background-size: 200% 200%;
    color: #1a1a1a;
    padding: 0.7rem 1.8rem;
    border-radius: 4px;
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-block;
    border: 1px solid rgba(255, 215, 0, 0.5);
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.2);
}

.header-auth .btn-signup:hover {
    transform: translateY(-3px) scale(1.03);
    background-position: 100% 100%;
    box-shadow: 0 8px 30px rgba(212, 175, 55, 0.4);
    border-color: var(--primary-gold);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
}

.mobile-menu-toggle span {
    display: block;
    width: 28px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-gold), var(--primary-gold-dark));
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 2px;
}

/* Mobile Responsive - Tablet 768px */
@media (max-width: 768px) {
    .header-container {
        padding: 0.9rem 4%;
        flex-wrap: wrap;
    }

    .logo img {
        height: 36px;
    }

    .nav-list {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: linear-gradient(180deg, var(--bg-darker), var(--bg-card));
        padding: 1.5rem 0;
        box-shadow: 0 15px 40px rgba(0, 0, 0, 0.6);
        border-bottom: 2px solid var(--primary-gold-dark);
        z-index: 999;
    }

    .nav-list.active {
        display: block;
    }

    .nav-list ul {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }

    .nav-list a {
        font-size: 0.9rem;
    }

    .header-auth {
        display: block;
        order: 2;
        flex: 1;
        text-align: right;
    }

    .header-auth .btn-signup {
        padding: 0.5rem 1.2rem;
        font-size: 0.8rem;
        letter-spacing: 0.8px;
    }

    .mobile-menu-toggle {
        display: flex;
        order: 3;
        margin-left: 0.8rem;
    }

    .mobile-menu-toggle span {
        width: 24px;
    }

    footer {
        padding: 4rem 4% 1.8rem;
    }

    /* Force override inline-style grid for footer */
    .footer-top[style] {
        grid-template-columns: 1fr !important;
        gap: 2.5rem !important;
        text-align: center;
        margin-bottom: 2.2rem !important;
    }

    .footer-about h4,
    .footer-nav h4,
    .footer-contact h4 {
        display: inline-block;
        text-align: center;
    }

    .footer-nav h4::after,
    .footer-contact h4::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .footer-about [style] {
        justify-content: center;
    }

    .footer-nav ul {
        align-items: center;
    }

    .footer-contact [style*="display: flex; gap: 0.6rem"] {
        justify-content: center;
    }

    .footer-bottom[style] {
        flex-direction: column !important;
        text-align: center;
    }

    .footer-bottom [style*="display: flex; gap: 1.5rem"] {
        flex-wrap: wrap;
        justify-content: center;
    }

    .container {
        width: 92%;
    }
}

/* Mobile Responsive - Small Phone 480px */
@media (max-width: 480px) {
    .header-container {
        padding: 0.8rem 4%;
    }

    .logo img {
        height: 32px;
    }

    .header-auth .btn-signup {
        padding: 0.45rem 0.9rem;
        font-size: 0.72rem;
    }

    .mobile-menu-toggle {
        margin-left: 0.5rem;
        gap: 4px;
    }

    .mobile-menu-toggle span {
        width: 22px;
        height: 2px;
    }

    footer {
        padding: 3.2rem 4% 1.5rem;
    }

    .footer-top[style] {
        gap: 2rem !important;
    }
}

/* Mobile Responsive - Ultra-small Phone 380px (iPhone SE etc) */
@media (max-width: 380px) {
    .header-container {
        padding: 0.7rem 3.5%;
        gap: 0.4rem;
    }

    .logo img {
        height: 28px;
    }

    .header-auth .btn-signup {
        padding: 0.42rem 0.75rem;
        font-size: 0.68rem;
        letter-spacing: 0.4px;
    }

    .mobile-menu-toggle {
        margin-left: 0.35rem;
        gap: 3.5px;
    }

    .mobile-menu-toggle span {
        width: 20px;
    }

    footer {
        padding: 2.8rem 3.5% 1.3rem;
    }

    footer::before {
        font-size: 0.75rem;
        letter-spacing: 0.7rem;
    }
}

/* Footer */
footer {
    background: linear-gradient(180deg, var(--bg-card) 0%, var(--bg-darker) 100%);
    padding: 4.5rem 5% 2rem;
    margin-top: 4rem;
    border-top: 3px solid transparent;
    border-image: linear-gradient(90deg, transparent, var(--primary-gold-dark), var(--primary-gold), var(--primary-gold-dark), transparent) 1;
    position: relative;
}

footer::before {
    content: '♠ ♥ ♦ ♣';
    position: absolute;
    top: 1rem;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.9rem;
    letter-spacing: 1rem;
    color: var(--primary-gold-dark);
    opacity: 0.5;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-nav h4,
.footer-contact h4 {
    color: var(--text-gold);
    margin-bottom: 1.2rem;
    font-size: 1.15rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    position: relative;
    padding-bottom: 0.6rem;
}

.footer-nav h4::after,
.footer-contact h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 45px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-gold), transparent);
}

.footer-nav ul {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-nav a {
    color: var(--text-muted);
}

.footer-nav a:hover {
    color: #fff;
}

.footer-bottom {
    border-top: 1px solid rgba(212, 175, 55, 0.15);
    padding-top: 1.5rem;
    margin-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    letter-spacing: 0.3px;
}

.footer-links a {
    color: var(--text-gold);
    transition: all 0.3s;
}

.footer-links a:hover {
    color: var(--primary-gold);
    text-shadow: var(--neon-glow);
}

.ad-container {
    max-width: 1100px;
    margin: 2.5rem auto;
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid rgba(212, 175, 55, 0.25);
    box-shadow: 0 8px 35px rgba(0, 0, 0, 0.4), inset 0 0 20px rgba(212, 175, 55, 0.03);
    position: relative;
}

.ad-container::before {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(45deg, transparent 48%, rgba(212, 175, 55, 0.08) 50%, transparent 52%);
    background-size: 200% 200%;
    animation: adSweep 6s linear infinite;
}

@keyframes adSweep {
    0% { background-position: -200% -200%; }
    100% { background-position: 200% 200%; }
}

.ad-container img {
    display: block;
}

@media (max-width: 768px) {
    .ad-container img {
        height: 55px !important;
    }
}