/* ===============
   CSS VARIABLES
   =============== */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@700;900&family=Inter:wght@400;500;600;700&display=swap');

:root {
    --primary: #c9a84c;
    --primary-light: #f0d080;
    --primary-dark: #8a6a1f;
    --accent: #00c896;
    --accent-dark: #009e76;
    --bg-deep: #050e0a;
    --bg-dark: #0a1a12;
    --bg-card: rgba(10, 30, 18, 0.85);
    --bg-glass: rgba(255, 255, 255, 0.04);
    --border: rgba(201, 168, 76, 0.2);
    --border-bright: rgba(201, 168, 76, 0.6);
    --text: #e8f0eb;
    --text-muted: #8aab96;
    --glow-gold: 0 0 20px rgba(201, 168, 76, 0.4);
    --glow-green: 0 0 20px rgba(0, 200, 150, 0.3);
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', system-ui, sans-serif;
    --radius: 14px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===============
   RESET
   =============== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    min-height: 100vh;
    font-family: var(--font-body);
    background-color: var(--bg-deep);
    background-image:
        radial-gradient(ellipse 80% 50% at 50% -10%, rgba(0, 200, 150, 0.08) 0%, transparent 60%),
        radial-gradient(ellipse 60% 40% at 80% 80%, rgba(201, 168, 76, 0.06) 0%, transparent 50%),
        linear-gradient(180deg, #050e0a 0%, #0a1a12 40%, #071510 100%);
    background-attachment: fixed;
    color: var(--text);
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all var(--transition);
}

ul { list-style: none; }

/* ===============
   CONTAINER
   =============== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===============
   HEADER
   =============== */
.header {
    background: rgba(5, 14, 10, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
}

.logo img {
    height: 42px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 0 10px rgba(201, 168, 76, 0.5));
}

.nav-list {
    display: flex;
    gap: 6px;
    align-items: center;
}

.nav-list a {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    padding: 7px 16px;
    border-radius: 6px;
    color: var(--text-muted);
    border: 1px solid transparent;
    transition: all var(--transition);
}

.nav-list a:hover,
.nav-list a.active {
    color: var(--primary);
    background: rgba(201, 168, 76, 0.08);
    border-color: var(--border);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn-signup {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #050e0a !important;
    padding: 9px 22px;
    border-radius: 8px;
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 16px rgba(201, 168, 76, 0.3);
    transition: all var(--transition);
}

.btn-signup:hover {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(201, 168, 76, 0.5);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: 1px solid var(--border);
    color: var(--primary);
    font-size: 20px;
    cursor: pointer;
    padding: 6px 10px;
    border-radius: 6px;
    transition: all var(--transition);
}

.mobile-menu-toggle:hover {
    background: rgba(201, 168, 76, 0.1);
}

/* ===============
   ADS BLOCK
   =============== */
.ad-banner-container {
    margin-top: 96px;
    text-align: center;
}

.ad-banner-container img {
    max-width: 100%;
    border-radius: var(--radius);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
    transition: transform var(--transition);
    border: 1px solid var(--border);
}

.ad-banner-container img:hover {
    transform: scale(1.01);
}

/* ===============
   FOOTER
   =============== */
.footer {
    background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-deep) 100%);
    padding: 64px 0 28px;
    margin-top: 80px;
    border-top: 1px solid var(--border);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
    gap: 40px;
    margin-bottom: 48px;
}

.footer-col h4 {
    font-family: var(--font-display);
    font-size: 16px;
    margin-bottom: 20px;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-col p {
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.7;
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-col a {
    color: var(--text-muted);
    font-size: 14px;
    transition: all var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.footer-col a::before {
    content: '›';
    color: var(--accent);
    font-size: 16px;
    line-height: 1;
}

.footer-col a:hover {
    color: var(--primary);
    padding-left: 4px;
}

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    color: var(--text-muted);
    font-size: 13px;
}

/* ===============
   RESPONSIVE
   =============== */
@media (max-width: 992px) {
    .nav-list { display: none; }
    .mobile-menu-toggle { display: block; }
}

@media (max-width: 768px) {
    .container { padding: 0 16px; }

    /* header */
    .header .container { height: 60px; }

    .logo img { height: 34px; }

    .btn-signup {
        padding: 8px 14px;
        font-size: 12px;
    }

    .mobile-menu-toggle {
        font-size: 18px;
        padding: 5px 9px;
    }

    /* mobile nav */
    .nav-list {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        background: rgba(5, 14, 10, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        padding: 0 16px;
        border-bottom: 1px solid var(--border);
        gap: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease, padding 0.4s ease;
    }

    .nav-list.active {
        max-height: 600px;
        padding: 12px 16px;
    }

    .nav-list li { width: 100%; }

    .nav-list a {
        padding: 13px 0;
        background: transparent;
        border: none;
        border-radius: 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        text-align: left;
        color: var(--text);
        font-size: 13px;
        width: 100%;
        min-height: 44px;
        display: flex;
        align-items: center;
    }

    .nav-list li:last-child a { border-bottom: none; }

    .nav-list a:hover {
        color: var(--primary);
        background: transparent;
    }

    /* ad banner */
    .ad-banner-container { margin-top: 76px; }

    /* footer */
    .footer {
        padding: 40px 0 20px;
        margin-top: 40px;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }

    .footer-col h4 { font-size: 14px; margin-bottom: 14px; }
    .footer-col p,
    .footer-col a { font-size: 13px; }
    .footer-bottom { font-size: 12px; padding-top: 20px; }
}

@media (max-width: 480px) {
    .footer-grid { grid-template-columns: 1fr; gap: 20px; }
}

/* ===============
   MOBILE FIXED CTA BAR
   =============== */
.mobile-cta-bar {
    display: none;
}

@media (max-width: 992px) {
    .mobile-cta-bar {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 999;
        background: rgba(5, 14, 10, 0.96);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-top: 1px solid var(--border);
        padding: 10px 16px;
        gap: 10px;
    }

    body { padding-bottom: 68px; }

    .mobile-cta-login {
        flex: 1;
        display: flex;
        align-items: center;
        justify-content: center;
        height: 48px;
        border-radius: 10px;
        border: 1.5px solid var(--border-bright);
        background: transparent;
        color: var(--primary) !important;
        font-family: var(--font-body);
        font-weight: 700;
        font-size: 14px;
        letter-spacing: 1.5px;
        text-transform: uppercase;
        transition: all var(--transition);
    }

    .mobile-cta-login:hover,
    .mobile-cta-login:active {
        background: rgba(201, 168, 76, 0.1);
        border-color: var(--primary);
    }

    .mobile-cta-register {
        flex: 1;
        display: flex;
        align-items: center;
        justify-content: center;
        height: 48px;
        border-radius: 10px;
        border: none;
        background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
        color: var(--bg-deep) !important;
        font-family: var(--font-body);
        font-weight: 700;
        font-size: 14px;
        letter-spacing: 1.5px;
        text-transform: uppercase;
        box-shadow: 0 4px 20px rgba(201, 168, 76, 0.35);
        transition: all var(--transition);
    }

    .mobile-cta-register:hover,
    .mobile-cta-register:active {
        background: linear-gradient(90deg, var(--primary-light) 0%, var(--accent) 100%);
        box-shadow: var(--glow-gold);
        transform: translateY(-1px);
    }
}