/* ==========================================================================
   GasFlow Modern Global Footer Stylesheet
   Theme: Deep Midnight-Navy with Cyan Highlights, Flame Orange CTA & Curved Top
   ========================================================================== */

.gasflow-modern-footer {
    width: 100%;
    position: relative;
    background-color: transparent;
    color: #f8fafc;
    font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    margin-top: 3rem;
}

/* 1. Curved Top Arch with Gradient Border Line */
.footer-top-curve-wrapper {
    width: 100%;
    overflow: hidden;
    line-height: 0;
    position: relative;
    z-index: 2;
    margin-bottom: -1px;
}

.footer-curve-svg {
    display: block;
    width: 100%;
    height: 60px;
}

@media (min-width: 992px) {
    .footer-curve-svg {
        height: 75px;
    }
}

/* 2. Main Footer Body Container */
.footer-main-body {
    background-color: #f8fafc;
    background-image: radial-gradient(circle at 80% 20%, rgba(2, 132, 199, 0.05) 0%, transparent 60%);
    padding-bottom: 2rem;
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid #e2e8f0;
}

/* 3. Ambient Glowing Dots / Particles (Hidden on Light Footer) */
.footer-ambient-particle {
    display: none;
}

/* 4. Background Line-Art Illustration (Gauge & Regulator) */
.footer-bg-lineart {
    position: absolute;
    top: 0;
    right: 0;
    width: 460px;
    height: 100%;
    max-height: 380px;
    pointer-events: none;
    z-index: 0;
    opacity: 0.08;
    overflow: hidden;
    transition: transform 6s ease-out;
}

.footer-lineart-svg {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* 5. Brand Column */
.footer-logo-flame-wrapper {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer-flame-icon {
    width: 36px;
    height: 36px;
    filter: drop-shadow(0 0 8px rgba(0, 240, 255, 0.4));
}

/* Footer Brand Logo Styling */
.footer-brand-logo-img {
    height: 44px;
    width: auto;
    max-width: 190px;
    object-fit: contain;
    vertical-align: middle;
    display: inline-block;
    transition: transform 0.2s ease;
}

.footer-brand-logo-img:hover {
    transform: scale(1.02);
}

@media (max-width: 575.98px) {
    .footer-brand-logo-img {
        height: 36px;
        max-width: 150px;
    }
}

.footer-brand-text {
    font-size: 1.75rem;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: -0.02em;
}

.text-gradient-cyan {
    background: linear-gradient(135deg, #00f0ff 0%, #0284c7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-muted-blue {
    color: #64748b !important;
}

.footer-tagline {
    font-size: 0.95rem;
    line-height: 1.5;
    color: #475569 !important;
}

.footer-contact-list {
    font-size: 0.95rem;
}

.footer-contact-item {
    color: #1e293b;
    font-weight: 600;
    font-size: 0.95rem;
    transition: color 0.25s ease;
    display: inline-flex;
    align-items: center;
}

.footer-contact-item:hover {
    color: #0284c7;
}

.footer-contact-item i {
    color: #0284c7 !important;
    font-size: 1.05rem;
}

/* Social Media Circular Buttons */
.footer-social-btn {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1px solid #cbd5e1;
    background: #ffffff;
    color: #475569;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    text-decoration: none;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.footer-social-btn:hover {
    border-color: #0284c7;
    color: #0284c7;
    background: rgba(2, 132, 199, 0.08);
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(2, 132, 199, 0.2);
}

/* 6. Navigation Links Section (Center Column) */
.footer-nav-horizontal {
    padding: 0.5rem 0;
}

.footer-nav-link {
    color: #1e293b;
    font-size: 1.05rem;
    font-weight: 600;
    text-decoration: none;
    position: relative;
    padding: 0.3rem 0;
    transition: color 0.3s ease;
}

.footer-nav-link:hover,
.footer-nav-link.active {
    color: #0284c7;
}

.nav-indicator-line {
    position: absolute;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2.5px;
    background: #0284c7;
    border-radius: 2px;
    box-shadow: 0 0 8px rgba(2, 132, 199, 0.4);
    transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.footer-nav-link:hover .nav-indicator-line,
.footer-nav-link.active .nav-indicator-line {
    width: 100%;
}

/* 7. Action Section (Right Column) */
.btn-footer-expert {
    background: linear-gradient(135deg, #ff7a00 0%, #ff4d00 100%);
    color: #ffffff !important;
    font-weight: 700;
    font-size: 1rem;
    padding: 0.75rem 1.6rem;
    border-radius: 12px;
    border: none;
    box-shadow: 0 4px 20px rgba(255, 107, 0, 0.4);
    transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
    text-decoration: none;
    letter-spacing: 0.01em;
}

.btn-footer-expert:hover {
    background: linear-gradient(135deg, #ff8c1a 0%, #ff5c1a 100%);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 107, 0, 0.6);
    color: #ffffff !important;
}

.btn-footer-whatsapp {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.18);
    color: #ffffff !important;
    font-size: 1.35rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-footer-whatsapp:hover {
    background: #25d366;
    border-color: #25d366;
    color: #ffffff !important;
    transform: translateY(-3px);
    box-shadow: 0 0 20px rgba(37, 211, 102, 0.5);
}

/* 8. Bottom Bar & Legal Links */
.footer-bottom-divider {
    height: 1px;
    background: #e2e8f0;
    width: 100%;
}

.footer-copyright {
    color: #64748b;
}

.footer-copyright .text-cyan {
    color: #0284c7 !important;
}

.footer-legal-link {
    color: #64748b;
    text-decoration: none;
    transition: color 0.25s ease;
    white-space: nowrap !important;
}

.footer-legal-link:hover {
    color: #0284c7;
}

@media (max-width: 575.98px) {
    .footer-legal-links {
        gap: 0.35rem !important;
        font-size: 0.76rem !important;
    }
}

/* Back to Top Button */
.btn-back-to-top {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid rgba(56, 189, 248, 0.3);
    background: rgba(56, 189, 248, 0.06);
    color: #38bdf8;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    opacity: 0.85;
}

.btn-back-to-top:hover {
    background: #00c8ff;
    border-color: #00c8ff;
    color: #051022;
    transform: translateY(-3px);
    box-shadow: 0 0 18px rgba(0, 200, 255, 0.5);
    opacity: 1;
}

/* 9. Responsive Adjustments */
@media (max-width: 991.98px) {
    .footer-nav-horizontal {
        gap: 1.5rem !important;
    }

    .footer-bg-lineart {
        width: 320px;
        opacity: 0.05;
    }
}

@media (max-width: 767.98px) {
    .gasflow-modern-footer {
        margin-top: 2rem;
    }

    .footer-nav-horizontal {
        gap: 1.25rem !important;
    }

    .footer-nav-link {
        font-size: 0.95rem;
    }

    .footer-contact-row {
        flex-direction: column;
        gap: 0.4rem !important;
    }

    .footer-contact-sep {
        display: none !important;
    }

    .footer-bg-lineart {
        width: 240px;
        opacity: 0.04;
    }
}

/* 10. Respect Reduced Motion */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation: none !important;
        transition: none !important;
        scroll-behavior: auto !important;
    }
}