/**
 * FixKawan Air Conditioning & Engineering
 * Main Design System & Custom Styles
 */

:root {
    --color-navy: #0b1e33;
    --color-navy-dark: #071524;
    --color-navy-light: #162b45;
    --color-navy-surface: #1e3857;
    --color-accent: #0284c7;
    --color-accent-hover: #0369a1;
    --color-accent-light: #e0f2fe;
    --color-accent-cyan: #06b6d4;
    --color-emergency: #f97316;
    --color-emergency-hover: #ea580c;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-body-bg: #f8fafc;
    --color-text-main: #1e293b;
    --color-text-muted: #64748b;
    --color-text-light: #94a3b8;
    --color-border: #e2e8f0;
    --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --shadow-sm: 0 2px 8px rgba(11, 30, 51, 0.05);
    --shadow-md: 0 8px 24px rgba(11, 30, 51, 0.08);
    --shadow-lg: 0 16px 40px rgba(11, 30, 51, 0.12);
    --shadow-accent: 0 8px 25px rgba(2, 132, 199, 0.25);
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-full: 9999px;
    --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Global Reset & Base Setup */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-main);
    background-color: var(--color-body-bg);
    color: var(--color-text-main);
    line-height: 1.65;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Typography & Helpers */
h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--color-navy);
    font-weight: 700;
    line-height: 1.25;
}

.fw-extrabold {
    font-weight: 800;
}

.tracking-tight {
    letter-spacing: -0.025em;
}

.fs-xs {
    font-size: 0.75rem;
}

.fs-sm {
    font-size: 0.875rem;
}

.text-navy {
    color: var(--color-navy) !important;
}

.text-accent {
    color: var(--color-accent) !important;
}

.text-emergency {
    color: var(--color-emergency) !important;
}

.text-muted-light {
    color: rgba(255, 255, 255, 0.75) !important;
}

.text-light-70 {
    color: rgba(255, 255, 255, 0.7) !important;
}

.text-light-50 {
    color: rgba(255, 255, 255, 0.5) !important;
}

.bg-navy {
    background-color: var(--color-navy) !important;
}

.bg-dark-navy {
    background-color: var(--color-navy-dark) !important;
}

.bg-navy-light {
    background-color: var(--color-navy-light) !important;
}

.bg-accent {
    background-color: var(--color-accent) !important;
}

.bg-accent-light {
    background-color: var(--color-accent-light) !important;
}

.bg-ice {
    background-color: #f0f7ff !important;
}

/* Buttons */
.btn-accent {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    color: #ffffff;
    font-weight: 600;
    transition: var(--transition);
}

.btn-accent:hover,
.btn-accent:focus {
    background-color: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-accent);
}

.btn-emergency {
    background-color: var(--color-emergency);
    border-color: var(--color-emergency);
    color: #ffffff;
    font-weight: 700;
    transition: var(--transition);
}

.btn-emergency:hover,
.btn-emergency:focus {
    background-color: var(--color-emergency-hover);
    border-color: var(--color-emergency-hover);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(249, 115, 22, 0.35);
}

.btn-whatsapp {
    background-color: #25d366;
    border-color: #25d366;
    font-weight: 600;
    transition: var(--transition);
}

.btn-whatsapp:hover {
    background-color: #1eb954;
    border-color: #1eb954;
    color: #ffffff;
    transform: translateY(-2px);
}

.btn-outline-accent {
    border: 2px solid var(--color-accent);
    color: var(--color-accent);
    font-weight: 600;
    transition: var(--transition);
}

.btn-outline-accent:hover {
    background-color: var(--color-accent);
    color: #ffffff;
    border-color: var(--color-accent);
}

/* Header & Top Bar */
.top-bar {
    background: #061524;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 0.875rem;
}

.pulse-badge {
    animation: badgePulse 2s infinite ease-in-out;
}

@keyframes badgePulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.85;
        transform: scale(0.97);
    }
}

.hover-underline:hover {
    text-decoration: underline !important;
}

.hover-accent:hover {
    color: var(--color-accent) !important;
}

.hover-white:hover {
    color: #ffffff !important;
}

/* Brand Logo */
.brand-icon-box {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--color-accent), #02669e);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(2, 132, 199, 0.3);
}

.brand-title {
    font-size: 1.35rem;
    line-height: 1.1;
    color: #ffffff;
}

.brand-subtitle {
    font-size: 0.55rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-light);
    font-weight: 600;
}

/* Navbar */
.main-navbar {
    padding-top: 0.65rem;
    padding-bottom: 0.65rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(10px);
}

.main-navbar .nav-link {
    color: rgba(255, 255, 255, 0.85);
    padding: 0.5rem 0.95rem !important;
    font-size: 0.96rem;
    transition: var(--transition);
}

.main-navbar .nav-link:hover,
.main-navbar .nav-link.active {
    color: var(--color-accent) !important;
}

.dropdown-menu-dark {
    background-color: var(--color-navy-dark);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.dropdown-menu-dark .dropdown-item {
    font-size: 0.92rem;
    transition: var(--transition);
}

.dropdown-menu-dark .dropdown-item:hover {
    background-color: var(--color-navy-light);
    color: var(--color-accent);
}

/* Hero Section & Background Slider */
.hero-section {
    position: relative;
    padding: 5rem 0 6.5rem;
    overflow: hidden;
    background: #071524;
    min-height: 640px;
}

.hero-bg-carousel {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-slide-bg {
    width: 100%;
    height: 100%;
    min-height: 640px;
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    transform: scale(1);
    transition: transform 6s cubic-bezier(0.25, 1, 0.5, 1);
    filter: brightness(1.03) contrast(1.03);
}

.carousel-item.active .hero-slide-bg {
    transform: scale(1.05);
}

.hero-bg-overlay {
    position: absolute;
    inset: 0;
    /* Removed heavy blue tint: completely neutral soft shadow only on the left text area for crisp contrast */
    background: linear-gradient(90deg, rgba(0, 0, 0, 0.65) 0%, rgba(0, 0, 0, 0.40) 38%, rgba(0, 0, 0, 0.12) 65%, rgba(0, 0, 0, 0.05) 100%),
        linear-gradient(180deg, rgba(0, 0, 0, 0.25) 0%, transparent 35%, rgba(0, 0, 0, 0.35) 100%);
    z-index: 2;
    pointer-events: none;
}

.hero-slide-badge {
    position: absolute;
    bottom: 25px;
    left: 45px;
    z-index: 3;
    pointer-events: none;
}

.hero-carousel-indicators {
    margin-bottom: 1.25rem;
    z-index: 3;
}

.hero-carousel-indicators button {
    width: 35px;
    height: 6px;
    border-radius: 4px;
    background-color: rgba(255, 255, 255, 0.45);
    border: none;
    transition: all 0.35s ease;
}

.hero-carousel-indicators button.active {
    width: 55px;
    background-color: var(--color-accent);
}

.hero-carousel-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.55);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: #ffffff;
    top: 50%;
    transform: translateY(-50%);
    z-index: 3;
    transition: var(--transition);
    opacity: 0.85;
}

.hero-carousel-btn:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #ffffff;
    opacity: 1;
}

.carousel-control-prev.hero-carousel-btn {
    left: 20px;
}

.carousel-control-next.hero-carousel-btn {
    right: 20px;
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    background: rgba(0, 0, 0, 0.65);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: #38bdf8;
    padding: 0.4rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    backdrop-filter: blur(6px);
}

.hero-title {
    font-size: clamp(2.2rem, 4vw, 3.4rem);
    font-weight: 800;
    color: #ffffff;
    line-height: 1.18;
    text-shadow: 0 3px 12px rgba(0, 0, 0, 0.7);
}

.hero-lead {
    font-size: 1.15rem;
    color: #f8fafc;
    line-height: 1.6;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
}

.hero-feature-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(0, 0, 0, 0.55);
    padding: 0.35rem 0.8rem;
    border-radius: var(--radius-full);
    backdrop-filter: blur(6px);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.hero-rating-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: rgba(0, 0, 0, 0.55);
    padding: 0.4rem 1rem;
    border-radius: var(--radius-full);
    backdrop-filter: blur(6px);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

/* Hero Booking Card */
.hero-booking-card {
    background: #ffffff;
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-booking-card .nav-pills .nav-link {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text-muted);
    border-radius: var(--radius-md);
    padding: 0.55rem 1rem;
    transition: var(--transition);
}

.hero-booking-card .nav-pills .nav-link.active {
    background-color: var(--color-navy);
    color: #ffffff;
}

/* Problem Identification Banner */
.problem-banner {
    background: #ffffff;
    box-shadow: var(--shadow-sm);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.problem-pill {
    background: #f1f5f9;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--color-navy);
    display: flex;
    align-items: center;
    gap: 0.6rem;
    transition: var(--transition);
    border: 1px solid transparent;
}

.problem-pill:hover {
    background: var(--color-accent-light);
    color: var(--color-accent);
    border-color: rgba(2, 132, 199, 0.2);
    transform: translateY(-2px);
}

/* Stats Counter Section */
.stats-card {
    background: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    text-align: center;
    transition: var(--transition);
    height: 100%;
}

.stats-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-accent);
}

.stat-number {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--color-navy);
    line-height: 1.1;
}

/* Section Headings */
.section-badge {
    display: inline-block;
    background: var(--color-accent-light);
    color: var(--color-accent);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 0.35rem 0.85rem;
    border-radius: var(--radius-full);
    margin-bottom: 0.75rem;
}

.section-title {
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    font-weight: 800;
    color: var(--color-navy);
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--color-text-muted);
}

/* Service Cards */
.service-card {
    background: #ffffff;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    padding: 2rem 1.75rem;
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-cyan));
    opacity: 0;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(2, 132, 199, 0.3);
}

.service-card:hover::before {
    opacity: 1;
}

.service-icon-box {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    background: var(--color-accent-light);
    color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    margin-bottom: 1.25rem;
    transition: var(--transition);
}

.service-card:hover .service-icon-box {
    background: var(--color-accent);
    color: #ffffff;
    transform: scale(1.08) rotate(3deg);
}

.service-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 0.65rem;
}

.service-price-tag {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--color-accent);
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    color: #166534;
    padding: 0.2rem 0.65rem;
    border-radius: var(--radius-full);
    display: inline-block;
    margin-bottom: 1rem;
}

.service-features-list {
    list-style: none;
    padding-left: 0;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.service-features-list li {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.service-features-list li i {
    color: var(--color-accent);
    font-size: 0.8rem;
}

/* Pricing Cards */
.pricing-card {
    background: #ffffff;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    padding: 2.25rem 2rem;
    transition: var(--transition);
    position: relative;
    height: 100%;
}

.pricing-card.featured {
    border: 2px solid var(--color-accent);
    box-shadow: var(--shadow-lg);
    transform: scale(1.03);
}

.featured-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--color-accent), #02669e);
    color: #ffffff;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 0.35rem 1rem;
    border-radius: var(--radius-full);
    box-shadow: 0 4px 12px rgba(2, 132, 199, 0.3);
}

.price-val {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-navy);
}

.price-unit {
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

/* Process Timeline */
.process-card {
    text-align: center;
    position: relative;
    padding: 1.5rem 1rem;
}

.process-step-num {
    width: 50px;
    height: 50px;
    margin: 0 auto 1.25rem;
    border-radius: 50%;
    background: var(--color-accent-light);
    color: var(--color-accent);
    font-weight: 800;
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(2, 132, 199, 0.15);
    border: 2px solid #ffffff;
}

/* Emergency Breakdown Banner */
.emergency-banner-box {
    background: linear-gradient(135deg, #7f1d1d 0%, #991b1b 50%, #b91c1c 100%);
    border-radius: var(--radius-lg);
    box-shadow: 0 16px 40px rgba(153, 27, 27, 0.3);
}

/* Testimonial Cards */
.testimonial-card {
    background: #ffffff;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    height: 100%;
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: rgba(2, 132, 199, 0.3);
}

.star-rating {
    color: #f59e0b;
    font-size: 0.95rem;
}

.user-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--color-accent-light);
    color: var(--color-accent);
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

/* Confirmation Modal Popup (Message Box) */
#confirmationModal .modal-content {
    border-radius: 24px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.35);
    background: #ffffff;
}

.modal-success-badge {
    width: 86px;
    height: 86px;
    border-radius: 50%;
    background: #ecfdf5;
    border: 3px solid #a7f3d0;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 25px rgba(16, 185, 129, 0.2);
}

#modalOkayBtn {
    min-width: 160px;
}

/* About Us & Contact Section Visuals */
.about-image-wrapper,
.contact-image-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border);
}

.about-image-wrapper img,
.contact-image-wrapper img {
    width: 100%;
    height: auto;
    object-fit: cover;
    display: block;
    transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.about-image-wrapper:hover img,
.contact-image-wrapper:hover img {
    transform: scale(1.03);
}

.about-floating-badge {
    position: absolute;
    bottom: 20px;
    left: 20px;
    right: 20px;
    background: rgba(7, 21, 36, 0.92);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    padding: 0.9rem 1.25rem;
    color: #ffffff;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(8px);
}

.contact-info-card {
    background: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.15rem 1.25rem;
    transition: var(--transition);
}

.contact-info-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

/* Service Area Pills */
.area-pill {
    background: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 0.85rem 1.2rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-navy);
    display: flex;
    align-items: center;
    gap: 0.6rem;
    transition: var(--transition);
}

.area-pill:hover {
    border-color: var(--color-accent);
    background: var(--color-accent-light);
    color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

/* FAQ Accordion */
.accordion-custom .accordion-item {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md) !important;
    margin-bottom: 0.75rem;
    overflow: hidden;
    background: #ffffff;
}

.accordion-custom .accordion-button {
    font-weight: 700;
    color: var(--color-navy);
    padding: 1.2rem 1.5rem;
    background: #ffffff;
    font-size: 1.05rem;
}

.accordion-custom .accordion-button:not(.collapsed) {
    background-color: #f8fafc;
    color: var(--color-accent);
    box-shadow: none;
}

.accordion-custom .accordion-button:focus {
    box-shadow: none;
}

.accordion-custom .accordion-body {
    padding: 1.2rem 1.5rem 1.5rem;
    color: var(--color-text-muted);
    font-size: 0.98rem;
    line-height: 1.7;
}

/* Footer Styles */
.footer-cta-card {
    background: linear-gradient(135deg, #0e2a47 0%, #153e68 100%);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-cta-pattern {
    position: absolute;
    top: -50px;
    right: -50px;
    width: 250px;
    height: 250px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(2, 132, 199, 0.2) 0%, transparent 70%);
}

.footer-heading {
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-heading::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 32px;
    height: 2px;
    background: var(--color-accent);
}

.footer-links li {
    margin-bottom: 0.6rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
    font-size: 0.92rem;
    transition: var(--transition);
}

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

.social-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    text-decoration: none;
    transition: var(--transition);
}

.social-btn:hover {
    background: var(--color-accent);
    color: #ffffff;
    transform: translateY(-2px);
}

/* Floating Action Widgets */
.floating-contact-widgets {
    position: fixed;
    bottom: 25px;
    right: 25px;
    z-index: 1050;
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: flex-end;
}

.floating-btn {
    width: 54px;
    height: 54px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    text-decoration: none;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
    transition: var(--transition);
    border: none;
    cursor: pointer;
    position: relative;
}

.whatsapp-float-btn {
    background: #25d366;
    font-size: 1.8rem;
    animation: pulseWhatsapp 2.2s infinite;
}

.whatsapp-float-btn:hover {
    background: #20ba5a;
    transform: scale(1.08);
    color: #ffffff;
}

.whatsapp-tooltip {
    position: absolute;
    right: 64px;
    background: #111827;
    color: #ffffff;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.35rem 0.75rem;
    border-radius: var(--radius-sm);
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}

.whatsapp-float-btn:hover .whatsapp-tooltip {
    opacity: 1;
    transform: translateX(-4px);
}

@keyframes pulseWhatsapp {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.6);
    }

    70% {
        box-shadow: 0 0 0 16px rgba(37, 211, 102, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

.call-float-btn {
    background: var(--color-emergency);
    font-size: 1.4rem;
}

.back-to-top-btn {
    background: var(--color-navy);
    font-size: 1.1rem;
    opacity: 0;
    visibility: hidden;
}

.back-to-top-btn.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top-btn:hover {
    background: var(--color-accent);
}

/* Animations */
.animate-ping {
    animation: ping 1.5s cubic-bezier(0, 0, 0.2, 1) infinite;
}

@keyframes ping {

    75%,
    100% {
        transform: scale(2);
        opacity: 0;
    }
}

/* Mobile & Responsive Tweaks */
@media (max-width: 991.98px) {
    .hero-section {
        padding: 3rem 0 4rem;
    }

    .pricing-card.featured {
        transform: none;
        margin-top: 1rem;
        margin-bottom: 1rem;
    }

    .navbar-collapse {
        background: var(--color-navy-dark);
        padding: 1.25rem;
        border-radius: var(--radius-md);
        margin-top: 0.75rem;
        border: 1px solid rgba(255, 255, 255, 0.1);
    }
}

@media (max-width: 575.98px) {
    .hero-title {
        font-size: 2rem;
    }

    .stat-number {
        font-size: 1.85rem;
    }

    .floating-contact-widgets {
        bottom: 15px;
        right: 15px;
    }

    .floating-btn {
        width: 48px;
        height: 48px;
        font-size: 1.4rem;
    }
}