:root {
    --primary-blue: #0A4275;
    --primary-green: #28A745;
    --bg-light: #F0F4F8;
    --text-dark: #2D3436;
}

body {
    font-family: 'Inter', sans-serif;
    scroll-behavior: smooth;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
}

/* Header Styles */
#main-header.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    padding: 0.5rem 0;
}

/* Hero Section Image */
.hero-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Service Cards */
.service-card {
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}
.service-card:hover {
    transform: translateY(-10px);
}

/* Calculator Styles */
.calc-type-btn.active, .calc-pollution-btn.active {
    background-color: var(--primary-blue);
    color: white;
    border-color: var(--primary-blue);
    box-shadow: 0 4px 15px rgba(10, 66, 117, 0.2);
}

.calc-pollution-btn {
    flex: 1;
    text-align: center;
}

.qty-btn {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: #fff;
    border: 1px solid #e2e8f0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.2s;
}
.qty-btn:hover {
    background: var(--bg-light);
    border-color: var(--primary-blue);
}

/* Before/After Slider */
.slider-container {
    cursor: col-resize;
    user-select: none;
}

.after-image {
    transition: none;
}

.slider-handle {
    -webkit-appearance: none;
    appearance: none;
    cursor: col-resize;
}

.before-img, .after-img, .before-img-2, .after-img-2, .corp-img {
    object-fit: cover;
    width: 100%;
    height: 100%;
}

/* Luxury Brand Typography & Logo (Michael Kors Inspired) */
.brand-logo-container {
    text-decoration: none;
    cursor: pointer;
}

.logo-circle {
    flex-shrink: 0;
    aspect-ratio: 1 / 1;
}

.logo-monogram {
    font-family: 'Montserrat', sans-serif;
    letter-spacing: -0.1em;
    display: inline-block;
    line-height: 1;
}

.brand-typography h1 {
    font-family: 'Montserrat', sans-serif;
}

.brand-typography p {
    font-family: 'Inter', sans-serif;
}

footer .brand-logo-container h3 {
    line-height: 1;
}

/* Smooth adjustment on scroll */
#main-header.scrolled .logo-circle {
    width: 40px;
    height: 40px;
}

#main-header.scrolled .brand-typography h1 {
    font-size: 1rem;
}

/* Modal states */
.modal-open {
    overflow: hidden;
}

.opacity-100 {
    opacity: 1 !important;
}

.pointer-events-auto {
    pointer-events: auto !important;
}

.scale-100 {
    transform: scale(1) !important;
}

/* FAQ Accordion */
.faq-item.active .faq-trigger i {
    transform: rotate(45deg);
}

.faq-item.active .faq-content {
    height: auto;
}

/* Floating Pulsing Effect */
@keyframes pulse-soft {
    0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(10, 66, 117, 0.4); }
    70% { transform: scale(1.05); box-shadow: 0 0 0 15px rgba(10, 66, 117, 0); }
    100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(10, 66, 117, 0); }
}

.animate-pulse {
    animation: pulse-soft 2s infinite;
}

/* Flatpickr Styling */
.flatpickr-calendar {
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    border-radius: 12px;
    border: none;
    font-family: 'Inter', sans-serif;
}
.flatpickr-day.selected {
    background: var(--primary-green) !important;
    border-color: var(--primary-green) !important;
}
.flatpickr-time .flatpickr-am-pm:hover, .flatpickr-time .flatpickr-am-pm:focus, .flatpickr-time input:hover, .flatpickr-time input:focus {
    background: #f8fafc;
}

/* Forms */
input[type="date"]::-webkit-calendar-picker-indicator {
    cursor: pointer;
    filter: invert(0.2);
}

/* Transitions */
.transition-all {
    transition: all 0.3s ease;
}

/* Mobile responsive fixes */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
}