/* =====================================================
   SilkLegends Landing — Sticky Header
   ===================================================== */

.sl-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(11, 11, 14, 0.6);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 215, 0, 0.08);
    transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.sl-header.scrolled {
    background: rgba(11, 11, 14, 0.97);
    border-bottom-color: rgba(255, 215, 0, 0.2);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.sl-header-inner {
    display: flex;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 30px;
    height: 68px;
    gap: 30px;
}

/* Logo */
.sl-logo {
    font-family: 'Cinzel', serif;
    font-size: 17px;
    font-weight: 700;
    color: #ffd700;
    text-decoration: none;
    letter-spacing: 1.5px;
    white-space: nowrap;
    flex-shrink: 0;
    text-shadow: 0 0 20px rgba(255, 215, 0, 0.3);
    transition: text-shadow 0.3s ease;
}

.sl-logo:hover {
    text-shadow: 0 0 30px rgba(255, 215, 0, 0.6);
}

/* Nav */
.sl-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
}

.sl-nav-link {
    font-family: 'Cinzel', serif;
    font-size: 13px;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: #ccc;
    text-decoration: none;
    padding: 8px 14px;
    border-radius: 4px;
    transition: color 0.25s ease, background 0.25s ease;
}

.sl-nav-link:hover,
.sl-nav-link.active {
    color: #ffd700;
    background: rgba(255, 215, 0, 0.07);
}

/* Auth buttons */
.sl-header-auth {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.sl-login-link {
    font-family: 'Cinzel', serif;
    font-size: 13px;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: #aaa;
    text-decoration: none;
    padding: 8px 14px;
    transition: color 0.25s ease;
}

.sl-login-link:hover,
.sl-login-link.active {
    color: #ffd700;
}

.sl-register-btn {
    font-family: 'Cinzel', serif;
    font-size: 13px;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: #fff;
    text-decoration: none;
    padding: 9px 20px;
    background: #8b0000;
    border: 1px solid #ffd700;
    border-radius: 4px;
    transition: filter 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
    box-shadow: 0 4px 15px rgba(139, 0, 0, 0.4);
}

.sl-register-btn:hover {
    filter: brightness(1.2);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(139, 0, 0, 0.6);
}

/* Hamburger — hidden on desktop */
.sl-hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    background: none;
    border: 1px solid rgba(255, 215, 0, 0.2);
    border-radius: 4px;
    cursor: pointer;
    padding: 6px 8px;
    flex-shrink: 0;
}

.sl-hamburger span {
    display: block;
    height: 2px;
    background: #ffd700;
    border-radius: 2px;
    transition: transform 0.25s ease, opacity 0.25s ease;
}

.sl-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.sl-hamburger.open span:nth-child(2) { opacity: 0; }
.sl-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---- Mobile ---- */
@media (max-width: 768px) {
    .sl-header-inner {
        padding: 0 20px;
        gap: 0;
    }

    .sl-nav {
        display: none;
        position: absolute;
        top: 68px;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        background: rgba(11, 11, 14, 0.98);
        border-bottom: 1px solid rgba(255, 215, 0, 0.15);
        padding: 12px 0;
        margin-left: 0;
    }

    .sl-nav.open {
        display: flex;
    }

    .sl-nav-link {
        padding: 14px 24px;
        border-radius: 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    }

    .sl-header-auth {
        display: none;
    }

    .sl-hamburger {
        display: flex;
        margin-left: auto;
    }
}