/* =============================================
   2026 PREMIUM UI VARIABLES
   ============================================= */
:root[data-theme="dark"] {
    --bg-main: #050505;
    --bg-surface: #0a0a0a;
    --glass-bg: rgba(15, 15, 15, 0.65);
    --glass-border: rgba(255, 255, 255, 0.08);
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --brand-primary: #8B0000;
    --brand-glow: rgba(139, 0, 0, 0.5);
    --shadow-premium: 0 20px 40px rgba(0, 0, 0, 0.5);
}

:root[data-theme="light"] {
    --bg-main: #f8fafc;
    --bg-surface: #ffffff;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(0, 0, 0, 0.05);
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --brand-primary: #8B0000;
    --brand-glow: rgba(139, 0, 0, 0.3);
    --shadow-premium: 0 20px 40px rgba(139, 0, 0, 0.08);
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    transition: background-color 0.4s ease, color 0.4s ease;
    overflow-x: hidden;
}

h1, h2, h3, h4, .brand-text {
    font-family: 'Poppins', sans-serif;
}

a { text-decoration: none; }

/* =============================================
   FLOATING DYNAMIC HEADER
   ============================================= */
.header-wrapper {
    position: fixed;
    top: 15px;
    left: 50%;
    transform: translateX(-50%);
    width: 95%;
    max-width: 1200px;
    z-index: 1000;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.header-wrapper.scrolled {
    top: 0;
    width: 100%;
    max-width: 100%;
}

.premium-header .navbar-glass {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 100px;
    padding: 0.5rem 1rem;
    box-shadow: var(--shadow-premium);
    transition: all 0.4s ease;
}

.header-wrapper.scrolled .navbar-glass {
    border-radius: 0 0 24px 24px;
    border-top: none;
    border-left: none;
    border-right: none;
}

/* Branding */
.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}
.logo-img {
    height: 40px;
    border-radius: 8px;
    object-fit: cover;
}
.brand-text {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: var(--text-primary);
}

/* Nav Links */
.nav-premium {
    position: relative;
    color: var(--text-secondary) !important;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.5rem 1rem !important;
    transition: color 0.3s ease;
}

.nav-premium:hover, .nav-premium.active {
    color: var(--text-primary) !important;
}

.nav-premium::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--brand-primary);
    transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    border-radius: 2px;
}

.nav-premium:hover::after, .nav-premium.active::after {
    width: 60%;
}

/* Call to Action Button */
.btn-glow-primary {
    display: flex;
    align-items: center;
    gap: 5px;
    background: var(--brand-primary);
    color: #fff;
    padding: 0.6rem 1.25rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid rgba(255,255,255,0.1);
}

.btn-glow-primary:hover {
    box-shadow: 0 0 20px var(--brand-glow);
    transform: translateY(-2px);
    color: #fff;
}

.btn-glow-primary i {
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.btn-glow-primary:hover i {
    transform: translateX(4px);
}

/* Custom Hamburger Menu */
.custom-toggler {
    border: none;
    background: transparent;
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 10px;
}
.custom-toggler:focus { box-shadow: none; }
.toggler-line {
    width: 25px;
    height: 2px;
    background-color: var(--text-primary);
    transition: 0.3s ease;
}

/* Theme Toggle Pill */
.theme-toggle-btn {
    background: transparent;
    border: none;
    padding: 0;
    cursor: pointer;
}
.theme-toggle-track {
    width: 56px;
    height: 28px;
    background: var(--glass-border);
    border-radius: 30px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 6px;
    border: 1px solid var(--glass-border);
}
.theme-toggle-track i {
    font-size: 0.8rem;
    color: var(--text-secondary);
    z-index: 2;
}
.toggle-indicator {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 22px;
    height: 22px;
    background: var(--bg-surface);
    border-radius: 50%;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 1;
}
.theme-toggle-btn.active-light .toggle-indicator {
    transform: translateX(28px);
}

/* =============================================
   ULTRA-MODERN BENTO FOOTER
   ============================================= */
.premium-footer {
    position: relative;
    padding: 5rem 0 2rem;
    background: var(--bg-main);
    border-top: 1px solid var(--glass-border);
    overflow: hidden;
}

.footer-glow-bg {
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--brand-glow) 0%, rgba(0,0,0,0) 70%);
    opacity: 0.15;
    z-index: 0;
    pointer-events: none;
}

.footer-bento-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.bento-box {
    background: var(--bg-surface);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 2.5rem;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.bento-box:hover {
    border-color: rgba(139, 0, 0, 0.3);
    transform: translateY(-5px);
}

.gradient-text {
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: 1.8rem;
}

.footer-bio {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-top: 1rem;
}

.footer-heading {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.footer-link-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.footer-link-list a {
    color: var(--text-secondary);
    font-size: 0.95rem;
    transition: all 0.3s ease;
    display: inline-block;
}

.footer-link-list a:hover {
    color: var(--brand-primary);
    transform: translateX(5px);
}

/* Magnetic Social Buttons */
.social-magnetic-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.magnetic-btn {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-main);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.magnetic-btn:hover {
    background: var(--brand-primary);
    color: #fff;
    border-color: var(--brand-primary);
    transform: scale(1.1);
}

/* WhatsApp Premium CTA */
.btn-whatsapp-premium {
    display: flex;
    align-items: center;
    background: #25D366;
    color: #fff !important;
    border-radius: 16px;
    padding: 0.8rem;
    gap: 12px;
    transition: all 0.3s ease;
}

.btn-whatsapp-premium:hover {
    background: #1ebc5a;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(37, 211, 102, 0.2);
}

.wa-icon-wrap {
    background: rgba(255,255,255,0.2);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    font-size: 1.3rem;
}

.wa-text {
    font-weight: 600;
    font-size: 0.95rem;
}

/* Footer Bottom */
.footer-bottom-bar {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.legal-links {
    display: flex;
    align-items: center;
    gap: 10px;
}

.legal-links a {
    color: var(--text-secondary);
}

.legal-links a:hover {
    color: var(--text-primary);
}

.dot-separator {
    width: 4px;
    height: 4px;
    background: var(--glass-border);
    border-radius: 50%;
}

/* =============================================
   MOBILE RESPONSIVENESS
   ============================================= */
@media (max-width: 991px) {
    .header-wrapper {
        top: 10px;
        width: 90%;
    }
    
    .premium-header .navbar-glass {
        border-radius: 20px;
        padding: 0.5rem;
    }
    
    .navbar-collapse {
        background: var(--bg-surface);
        padding: 1.5rem;
        border-radius: 16px;
        margin-top: 1rem;
        border: 1px solid var(--glass-border);
        box-shadow: var(--shadow-premium);
    }
    
    .nav-actions {
        margin-top: 1.5rem;
        flex-direction: column;
        align-items: flex-start !important;
    }
    
    .footer-bento-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom-bar {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}