/* ==========================================================================
   Neo Krishi Agri Technologies - Global Premium Design System
   ========================================================================== */

/* --- Fonts Import --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@300;400;500;600;700;800&display=swap');

/* --- Root Variable Definitions --- */
:root {
    /* Brand Colors (Deep forest green and premium gold/accent) */
    --brand-primary: #124e41;          /* Deep Forest Green (Tech-skewed) */
    --brand-primary-rgb: 18, 78, 65;
    --brand-dark: #092a23;             /* Darker Forest Green (for contrast) */
    --brand-light: #e8f3f0;            /* Muted Light Green */
    --brand-accent: #d4af37;           /* Premium Indian Gold */
    --brand-accent-hover: #bda030;
    --brand-mint: #38b000;             /* Vibrant Green for success/online tags */

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Theme Colors mapping to original variable names to support existing templates */
    --primary-color: var(--brand-primary);
    --primary-green: var(--brand-primary);
    --dark-green: var(--brand-dark);
    --dark-color: var(--brand-dark);
    --light-green: #52b788;
    --accent-yellow: var(--brand-accent);
    --secondary-color: var(--brand-accent);
    --light-color: #f3f6f4;
    --text-dark: #1e2a26;
    --text-light: #5f756e;
    
    /* Layout Spacing */
    --section-padding: 90px 0;
    --card-padding: 30px;

    /* Borders & Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-pill: 50px;
    --border-light: 1px solid rgba(18, 78, 65, 0.08);
    --border-glass: 1px solid rgba(255, 255, 255, 0.2);

    /* Premium Soft Shadows */
    --shadow-sm: 0 4px 12px rgba(9, 42, 35, 0.04);
    --shadow-md: 0 10px 30px rgba(9, 42, 35, 0.06);
    --shadow-lg: 0 20px 45px rgba(9, 42, 35, 0.1);
    
    /* Transitions */
    --transition-smooth: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    --transition-fast: all 0.2s ease-in-out;
}

/* ==========================================================================
   Global Resets & Typographical System
   ========================================================================== */
body {
    font-family: var(--font-body);
    color: var(--text-dark);
    background-color: #fafcfb;
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6, .display-1, .display-2, .display-3, .display-4 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--brand-primary);
    letter-spacing: -0.02em;
}

h1 { font-weight: 800; }
p { font-size: 1rem; color: var(--text-light); }

.section-title {
    position: relative;
    font-weight: 800;
    font-size: 2.5rem;
    color: var(--brand-primary);
    margin-bottom: 2rem;
    text-align: center;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(to right, var(--brand-primary), var(--brand-accent));
    border-radius: var(--radius-pill);
}

.text-gradient {
    background: linear-gradient(135deg, var(--brand-primary) 0%, #1e7a67 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ==========================================================================
   Buttons (Premium Components)
   ========================================================================== */
.btn {
    font-family: var(--font-heading);
    font-weight: 600;
    border-radius: var(--radius-pill);
    padding: 12px 30px;
    transition: var(--transition-smooth);
    text-transform: capitalize;
    font-size: 0.95rem;
    letter-spacing: 0.02em;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

/* Standard Primary (Forest Green) */
.btn-primary, .btn-premium-primary, .btn-success {
    background: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-dark) 100%) !important;
    border: 1px solid var(--brand-primary) !important;
    color: #ffffff !important;
    box-shadow: 0 4px 15px rgba(18, 78, 65, 0.25);
}

.btn-primary:hover, .btn-premium-primary:hover, .btn-success:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(18, 78, 65, 0.4);
    color: #ffffff !important;
    filter: brightness(1.15);
}

/* Standard Outline */
.btn-outline-primary, .btn-premium-secondary {
    background: transparent !important;
    border: 2px solid var(--brand-primary) !important;
    color: var(--brand-primary) !important;
    box-shadow: none;
}

.btn-outline-primary:hover, .btn-premium-secondary:hover {
    background: var(--brand-primary) !important;
    color: #ffffff !important;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(18, 78, 65, 0.2);
}

/* Accent (Indian Gold) */
.btn-premium-accent, .btn-accent {
    background: linear-gradient(135deg, var(--brand-accent) 0%, var(--brand-accent-hover) 100%) !important;
    border: 1px solid var(--brand-accent) !important;
    color: var(--brand-dark) !important;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.25);
}

.btn-premium-accent:hover, .btn-accent:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(212, 175, 55, 0.4);
    color: var(--brand-dark) !important;
    filter: brightness(1.05);
}

/* Bootstrap Outline success mapping */
.btn-outline-success {
    background: transparent !important;
    border: 2px solid var(--brand-primary) !important;
    color: var(--brand-primary) !important;
}

.btn-outline-success:hover {
    background: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-dark) 100%) !important;
    border-color: transparent !important;
    color: #ffffff !important;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(18, 78, 65, 0.2);
}

/* Submit type custom button in forms */
.btn-submit {
    background: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-dark) 100%);
    color: white;
    font-weight: 600;
    border-radius: var(--radius-pill);
    padding: 12px 35px;
    transition: var(--transition-smooth);
    border: none;
    box-shadow: 0 4px 15px rgba(18, 78, 65, 0.25);
}

.btn-submit:hover {
    background: var(--brand-dark);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(9, 42, 35, 0.4);
    color: white;
}

/* ==========================================================================
   Cards (Premium Design Tokens)
   ========================================================================== */
.premium-card, .product-card, .highlight-card, .value-card, .card {
    background: #ffffff;
    border: var(--border-light);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
    overflow: hidden;
}

.premium-card:hover, .product-card:hover, .highlight-card:hover, .value-card:hover {
    transform: translateY(-8px) scale(1.01);
    box-shadow: var(--shadow-lg);
    border-color: rgba(18, 78, 65, 0.16);
}

/* Card images */
.card-image, .product-image-container {
    overflow: hidden;
    position: relative;
    border-bottom: var(--border-light);
}

.product-image {
    transition: var(--transition-smooth);
}

.product-card:hover .product-image {
    transform: scale(1.06);
}

/* Service Card Icon Wrappers */
.service-icon-wrapper, .values-icon, .icon-box {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #e8f3f0 0%, #d1e7e2 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 12px rgba(18, 78, 65, 0.06);
}

.premium-card:hover .service-icon-wrapper,
.highlight-card:hover .icon-box,
.value-card:hover .values-icon {
    transform: rotate(8deg) scale(1.1);
    background: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-dark) 100%);
}

.premium-card:hover .service-icon-wrapper i,
.highlight-card:hover .icon-box i,
.value-card:hover .values-icon i {
    color: #ffffff !important;
}

.service-icon-wrapper i, .values-icon i, .icon-box i {
    font-size: 2rem;
    color: var(--brand-primary);
    transition: var(--transition-smooth);
}

/* Badges */
.product-badge, .availability-badge, .price-tag {
    font-family: var(--font-heading);
    font-weight: 600;
    padding: 6px 14px;
    border-radius: var(--radius-pill);
    font-size: 0.8rem;
    letter-spacing: 0.02em;
}

.availability-badge.available, .badge-available {
    background-color: var(--brand-mint) !important;
    color: white !important;
}

.availability-badge.unavailable, .badge-unavailable {
    background-color: #dc3545 !important;
    color: white !important;
}

.price-tag {
    background: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-dark) 100%);
    color: white;
}

/* ==========================================================================
   Navigation Bar (Translucent Glass Effect)
   ========================================================================== */
.navbar {
    background: rgba(18, 78, 65, 0.96) !important;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    padding: 0.9rem 0;
    transition: var(--transition-smooth);
}

.navbar-brand img {
    transition: var(--transition-smooth);
    height: 52px;
}

.navbar-brand:hover img {
    transform: scale(1.04);
}

.nav-link {
    font-family: var(--font-heading);
    font-weight: 500;
    padding: 0.6rem 1.1rem !important;
    margin: 0 0.15rem;
    border-radius: var(--radius-sm);
    position: relative;
    color: rgba(255, 255, 255, 0.85) !important;
    transition: var(--transition-smooth);
}

.nav-link::before {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 4px;
    width: 0%;
    height: 2.5px;
    background-color: var(--brand-accent);
    transform: translateX(-50%);
    transition: var(--transition-smooth);
    border-radius: var(--radius-pill);
}

.nav-link:hover {
    color: #ffffff !important;
    background-color: rgba(255, 255, 255, 0.08);
    transform: translateY(-2px);
}

.nav-link:hover::before {
    width: 50%;
}

.nav-link.active {
    background-color: rgba(255, 255, 255, 0.12) !important;
    color: #ffffff !important;
    font-weight: 600;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 15%;
    width: 70%;
    height: 2.5px;
    background-color: var(--brand-accent);
    border-radius: var(--radius-pill);
}

.nav-link.active::before {
    display: none !important;
}

/* --- Dropdown Menu Styling --- */
.dropdown-menu {
    background-color: #ffffff !important;
    border: var(--border-light) !important;
    border-radius: var(--radius-sm) !important;
    box-shadow: var(--shadow-md) !important;
    padding: 0.5rem 0 !important;
    margin-top: 8px !important;
    animation: dropdownFadeIn 0.3s ease;
}

.dropdown-item {
    font-family: var(--font-heading) !important;
    font-weight: 500 !important;
    font-size: 0.95rem !important;
    color: var(--text-dark) !important;
    padding: 10px 24px !important;
    transition: var(--transition-fast) !important;
}

.dropdown-item:hover {
    background-color: var(--brand-light) !important;
    color: var(--brand-primary) !important;
    padding-left: 28px !important;
}

.dropdown-divider {
    border-color: rgba(18, 78, 65, 0.08) !important;
}

@keyframes dropdownFadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.btn-login {
    background: transparent !important;
    border: 2px solid #ffffff !important;
    color: #ffffff !important;
    font-weight: 600;
    padding: 0.5rem 1.6rem !important;
    border-radius: var(--radius-pill) !important;
    transition: var(--transition-smooth) !important;
}

.btn-login:hover {
    background: var(--brand-accent) !important;
    border-color: var(--brand-accent) !important;
    color: var(--brand-dark) !important;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ==========================================================================
   Header section & Hero Layouts
   ========================================================================== */
.page-header {
    position: relative;
    background: linear-gradient(135deg, var(--brand-dark) 0%, var(--brand-primary) 50%, #1e7a67 100%) !important;
    padding: 140px 0 95px !important;
    color: #ffffff !important;
    text-align: center;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.12) 0%, transparent 50%),
                radial-gradient(circle at 10% 80%, rgba(255, 255, 255, 0.08) 0%, transparent 40%);
    z-index: 1;
}

.page-header::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 30px;
    background: #fafcfb;
    clip-path: ellipse(60% 30px at 50% 30px);
    z-index: 2;
}

.page-header .container {
    position: relative;
    z-index: 3;
}

.page-header h1, .page-header h2, .page-header h3,
.hero-banner h1, .hero-banner h2, .hero-banner h3,
.booking-hero h1, .booking-hero h2, .booking-hero h3,
.success-hero h1, .success-hero h2, .success-hero h3,
.bg-dark h1, .bg-dark h2, .bg-dark h3,
.bg-premium-dark h1, .bg-premium-dark h2, .bg-premium-dark h3,
.cta-section h1, .cta-section h2, .cta-section h3 {
    color: #ffffff !important;
    font-weight: 800;
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
}

.page-header p, .hero-banner p, .booking-hero p, .success-hero p,
.bg-dark p, .bg-premium-dark p, .cta-section p {
    color: rgba(255, 255, 255, 0.95) !important;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
}

/* Interactive Calculator Custom Design */
.calculator-section {
    background: #ffffff;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    border-left: 6px solid var(--brand-primary);
    padding: 40px !important;
}

.slider-control {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 8px;
    border-radius: var(--radius-pill);
    background: #e1e9e6;
    outline: none;
}

.slider-control::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--brand-primary);
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(9, 42, 35, 0.25);
    transition: var(--transition-fast);
}

.slider-control::-webkit-slider-thumb:hover {
    transform: scale(1.25);
    background: var(--brand-accent);
}

.result-box {
    background-color: var(--brand-light);
    border-radius: var(--radius-md);
    border: 1px solid rgba(18, 78, 65, 0.1);
    padding: 20px;
}

.result-val {
    color: var(--brand-primary);
    font-weight: 800;
    font-family: var(--font-heading);
}

/* Booking banners and CTAs */
.booking-banner, .cta-section {
    background: linear-gradient(135deg, #ffffff 0%, #f1f7f5 100%);
    border: 1px solid rgba(18, 78, 65, 0.12);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.cta-section {
    background: linear-gradient(135deg, var(--brand-light) 0%, #e2eeea 100%);
    border: none;
    padding: 60px !important;
}

/* ==========================================================================
   Forms & Controls
   ========================================================================== */
.form-section {
    background: #ffffff;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    border: var(--border-light);
}

.form-control, .form-select {
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    border: 1px solid #d4deda;
    background-color: #fafcfb;
    font-family: var(--font-body);
    transition: var(--transition-fast);
}

.form-control:focus, .form-select:focus {
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 4px rgba(18, 78, 65, 0.12);
    background-color: #ffffff;
}

label {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--brand-primary);
    margin-bottom: 6px;
    font-size: 0.95rem;
}

/* ==========================================================================
   Footer Component
   ========================================================================== */
footer {
    background: linear-gradient(135deg, var(--brand-dark) 0%, #051613 100%) !important;
    color: #ffffff !important;
    padding: 80px 0 35px !important;
    border-top: 3px solid var(--brand-accent) !important;
}

footer h5 {
    color: var(--brand-accent) !important;
    font-family: var(--font-heading) !important;
    font-weight: 700 !important;
    font-size: 1.2rem;
    margin-bottom: 25px;
    letter-spacing: -0.01em;
}

footer p, footer li, footer span {
    color: rgba(255, 255, 255, 0.72) !important;
    font-size: 0.95rem !important;
}

footer a {
    color: rgba(255, 255, 255, 0.72) !important;
    text-decoration: none !important;
    transition: var(--transition-fast) !important;
}

footer a:hover {
    color: var(--brand-accent) !important;
    padding-left: 4px;
}

.social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    background-color: rgba(255, 255, 255, 0.08) !important;
    border-radius: 50%;
    margin-right: 12px;
    transition: var(--transition-smooth) !important;
    box-shadow: var(--shadow-sm);
}

.social-icon i {
    color: #ffffff !important;
    font-size: 1.1rem;
    transition: var(--transition-smooth) !important;
}

.social-icon:hover {
    background-color: var(--brand-accent) !important;
    transform: translateY(-4px) scale(1.08);
    box-shadow: var(--shadow-md);
}

.social-icon:hover i {
    color: var(--brand-dark) !important;
}

/* ==========================================================================
   Helper Widgets & Mobile Behaviors
   ========================================================================== */
/* WhatsApp Sticky Icon */
.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 25px;
    right: 25px;
    background-color: #25D366;
    color: white;
    border-radius: 50%;
    text-align: center;
    font-size: 28px;
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.3);
    z-index: 1000;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    justify-content: center;
}

.whatsapp-float:hover {
    background-color: #1ebd5a;
    transform: scale(1.1) translateY(-4px);
    box-shadow: 0 12px 30px rgba(37, 211, 102, 0.45);
    color: white;
}

.whatsapp-float i {
    margin: 0;
}

/* Spacing and sections utility */
.section-padding {
    padding: var(--section-padding);
}

.bg-warm-light {
    background-color: #f3f6f4;
}

.bg-premium-dark {
    background: linear-gradient(135deg, var(--brand-dark) 0%, #051613 100%);
    color: white;
}

/* Mobile Responsiveness */
@media (max-width: 991px) {
    .navbar-collapse {
        background: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-dark) 100%);
        padding: 1.2rem;
        border-radius: 0 0 var(--radius-md) var(--radius-md);
        margin-top: 0.6rem;
        box-shadow: var(--shadow-lg);
    }
    
    .nav-link {
        margin: 0.3rem 0;
        text-align: center;
    }

    .nav-link:hover {
        transform: none;
    }
    
    .btn-login {
        margin-top: 0.6rem;
        width: 100%;
        text-align: center;
    }
}

/* ==========================================================================
   Reusable Component: How Neo Krishi Works (5-Step Timeline)
   ========================================================================== */
.how-neo-krishi-works {
    padding: var(--section-padding);
    background: linear-gradient(135deg, #ffffff 0%, var(--brand-light) 100%);
    position: relative;
    overflow: hidden;
}

.nk-timeline-wrapper {
    position: relative;
    margin-top: 45px;
}

/* Horizontal connecting track line for Desktop */
.nk-timeline-track {
    position: absolute;
    top: 55px;
    left: 8%;
    right: 8%;
    height: 4px;
    background: linear-gradient(90deg, var(--brand-primary) 0%, var(--brand-accent) 50%, var(--brand-mint) 100%);
    border-radius: var(--radius-pill);
    z-index: 1;
    opacity: 0.25;
}

.nk-timeline-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    position: relative;
    z-index: 2;
    list-style: none;
    padding: 0;
    margin: 0;
}

.nk-step-card {
    background: #ffffff;
    border: var(--border-light);
    border-radius: var(--radius-md);
    padding: 30px 18px 25px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    height: 100%;
    
    /* Scroll animation baseline state */
    opacity: 0;
    transform: translateY(30px);
}

.nk-step-card.nk-animated {
    opacity: 1;
    transform: translateY(0);
}

.nk-step-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--brand-accent);
}

/* Numbered Badge & Icon Container */
.nk-step-header {
    position: relative;
    margin-bottom: 20px;
}

.nk-step-number {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-dark) 100%);
    color: var(--brand-accent);
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 0.95rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    top: -10px;
    right: -10px;
    box-shadow: 0 4px 12px rgba(9, 42, 35, 0.3);
    z-index: 3;
    border: 2px solid #ffffff;
}

.nk-step-icon {
    width: 72px;
    height: 72px;
    background: var(--brand-light);
    color: var(--brand-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 12px rgba(18, 78, 65, 0.08);
}

.nk-step-card:hover .nk-step-icon {
    background: var(--brand-primary);
    color: #ffffff;
    transform: scale(1.08) rotate(6deg);
}

.nk-step-title {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.15rem;
    color: var(--brand-primary);
    margin-bottom: 10px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.nk-step-desc {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.5;
    margin-bottom: 0;
}

/* Vertical Timeline Layout for Mobile & Tablet */
@media (max-width: 991px) {
    .nk-timeline-track {
        top: 30px;
        bottom: 30px;
        left: 45px;
        right: auto;
        width: 4px;
        height: auto;
    }

    .nk-timeline-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .nk-step-card {
        flex-direction: row;
        text-align: left;
        padding: 22px 25px;
        align-items: center;
        gap: 20px;
    }

    .nk-step-header {
        margin-bottom: 0;
        flex-shrink: 0;
    }

    .nk-step-number {
        top: -6px;
        right: -6px;
    }

    .nk-step-body {
        flex-grow: 1;
    }

    .nk-step-title {
        margin-bottom: 4px;
    }
}

/* ==========================================================================
   Reusable Component: Why Neo Krishi (Core Values)
   ========================================================================== */
.why-neo-krishi {
    padding: var(--section-padding);
    background: linear-gradient(135deg, #fafcfb 0%, #f1f7f5 100%);
    position: relative;
}

.nk-values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
    margin-top: 40px;
}

.nk-value-card {
    background: #ffffff;
    border: var(--border-light);
    border-radius: var(--radius-md);
    padding: 35px 24px 30px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.nk-value-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--brand-primary), var(--brand-accent));
    opacity: 0;
    transition: var(--transition-smooth);
}

.nk-value-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(18, 78, 65, 0.15);
}

.nk-value-card:hover::before {
    opacity: 1;
}

.nk-value-icon-box {
    width: 76px;
    height: 76px;
    background: var(--brand-light);
    color: var(--brand-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 22px;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 14px rgba(18, 78, 65, 0.08);
}

.nk-value-card:hover .nk-value-icon-box {
    background: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-dark) 100%);
    color: #ffffff;
    transform: scale(1.08) rotate(6deg);
}

.nk-value-title {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.2rem;
    color: var(--brand-primary);
    margin-bottom: 12px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.nk-value-desc {
    font-size: 0.92rem;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 0;
}

/* ==========================================================================
   Complete Mobile Responsiveness Audit & Multi-Device System
   (Tested across 320px, 375px, 390px, 430px, 768px, 1024px, 1440px+)
   ========================================================================== */

/* 1. Global Box-Sizing & Horizontal Scroll Lock */
html {
    box-sizing: border-box;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

*, *:before, *:after {
    box-sizing: inherit;
}

body {
    width: 100%;
    max-width: 100vw;
    overflow-x: hidden;
    position: relative;
}

img, iframe, video, svg, canvas {
    max-width: 100%;
    height: auto;
}

/* 2. Responsive Containers & Section Padding */
@media (max-width: 576px) {
    .container, .container-fluid {
        padding-left: 16px !important;
        padding-right: 16px !important;
    }
    
    .py-5 {
        padding-top: 2.5rem !important;
        padding-bottom: 2.5rem !important;
    }

    .py-4 {
        padding-top: 1.8rem !important;
        padding-bottom: 1.8rem !important;
    }

    .p-5 {
        padding: 1.5rem !important;
    }

    .p-4 {
        padding: 1.25rem !important;
    }

    .section-title {
        font-size: 1.8rem !important;
        margin-bottom: 1.5rem !important;
    }
}

/* 3. Typography Scaling for Small Viewports (320px - 430px) */
@media (max-width: 430px) {
    h1, .display-1, .display-2, .display-3, .display-4 {
        font-size: 1.95rem !important;
        line-height: 1.25 !important;
        letter-spacing: -0.01em !important;
    }

    .page-header h1, .home-hero h1, .booking-hero h1, .hero-banner h1 {
        font-size: 1.85rem !important;
    }

    h2, .display-5 {
        font-size: 1.5rem !important;
        line-height: 1.3 !important;
    }

    h3, .display-6 {
        font-size: 1.3rem !important;
    }

    h4 {
        font-size: 1.15rem !important;
    }

    .lead {
        font-size: 0.95rem !important;
        line-height: 1.6 !important;
    }

    p, span, li, label {
        font-size: 0.92rem !important;
    }
}

/* 4. Buttons & Touch Targets Accessibility (Min 44px) */
.btn, input[type="submit"], button {
    min-height: 44px;
    touch-action: manipulation;
}

@media (max-width: 576px) {
    .btn-lg, .btn-submit {
        width: 100%;
        margin-bottom: 10px;
        padding: 12px 20px !important;
        font-size: 0.95rem !important;
    }

    .d-flex.gap-3.flex-wrap, .d-flex.gap-3 {
        flex-direction: column !important;
        width: 100%;
    }

    .d-flex.gap-3.flex-wrap .btn, .d-flex.gap-3 .btn {
        width: 100% !important;
        margin-right: 0 !important;
    }
}

/* 5. Mobile Form Control Enhancements (Prevents iOS safari auto-zoom) */
@media (max-width: 768px) {
    .form-control, .form-select, textarea {
        font-size: 16px !important;
        padding: 12px 14px !important;
    }

    .form-section, .booking-card, .success-card {
        padding: 20px 16px !important;
        border-radius: var(--radius-md) !important;
    }

    .service-radio-grid {
        grid-template-columns: 1fr !important;
    }
}

/* 6. Card Grids & Multi-Column Layouts */
@media (max-width: 768px) {
    .agri-services-grid, 
    .services-premium-grid,
    .nk-values-grid, 
    .products-container, 
    .ecosystem-card,
    .client-card,
    .tech-box {
        grid-template-columns: 1fr !important;
    }
}

/* 7. Tables & Admin Views */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin-bottom: 1rem;
}

@media (max-width: 576px) {
    .table th, .table td {
        padding: 10px 8px !important;
        font-size: 0.82rem !important;
    }
}

/* 8. Floating WhatsApp Widget Adjustments for Small Devices */
@media (max-width: 480px) {
    .whatsapp-float {
        width: 50px !important;
        height: 50px !important;
        bottom: 18px !important;
        right: 18px !important;
        font-size: 24px !important;
    }
}

/* 9. Hero Section Viewport Scaling */
@media (max-width: 768px) {
    .home-hero, .page-header, .booking-hero, .hero-banner {
        padding: 110px 0 60px !important;
    }
}

/* ==========================================================================
   10. Global Navigation Bar & Dropdown Menu
   ========================================================================== */
.navbar {
    background: linear-gradient(135deg, #124E41 0%, #092a23 100%) !important;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15) !important;
    padding: 0.75rem 0 !important;
    transition: all 0.3s ease;
    z-index: 1030;
}

.navbar-brand img {
    transition: transform 0.3s ease;
}

.navbar-brand:hover img {
    transform: scale(1.04);
}

.navbar .nav-link {
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    margin: 0 0.15rem;
    border-radius: 6px;
    position: relative;
    color: rgba(255, 255, 255, 0.9) !important;
    transition: color 0.25s ease, background-color 0.25s ease, transform 0.2s ease;
}

.navbar .nav-link::before {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 3px;
    width: 0%;
    height: 2.5px;
    background-color: var(--brand-accent, #D4AF37);
    transform: translateX(-50%);
    transition: width 0.3s ease;
    border-radius: 2px;
}

.navbar .nav-link:hover {
    color: #ffffff !important;
    background-color: rgba(255, 255, 255, 0.1);
}

.navbar .nav-link:hover::before {
    width: 65%;
}

.navbar .nav-link.active {
    background-color: rgba(255, 255, 255, 0.15);
    color: #ffffff !important;
    font-weight: 600;
}

.navbar .nav-link.active::before {
    width: 70%;
    background-color: var(--brand-accent, #D4AF37);
}

.navbar .btn-login {
    background: transparent;
    border: 1.5px solid rgba(255, 255, 255, 0.85);
    color: #ffffff !important;
    font-weight: 600;
    padding: 0.45rem 1.4rem;
    transition: all 0.25s ease;
    border-radius: 30px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.navbar .btn-login:hover {
    background: var(--brand-accent, #D4AF37);
    border-color: var(--brand-accent, #D4AF37);
    color: #092a23 !important;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

/* Dropdown Menu Styles */
.navbar .dropdown-menu {
    border: 1px solid rgba(18, 78, 65, 0.12) !important;
    border-radius: 12px !important;
    padding: 0.6rem 0 !important;
    background: #ffffff !important;
    box-shadow: 0 14px 35px rgba(0, 0, 0, 0.18) !important;
    min-width: 260px;
}

.navbar .dropdown-item {
    font-size: 0.92rem;
    padding: 0.65rem 1.25rem !important;
    color: #2C3E50 !important;
    font-weight: 500;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
}

.navbar .dropdown-item i {
    width: 22px;
    text-align: center;
    margin-right: 10px;
    font-size: 0.95rem;
}

.navbar .dropdown-item:hover, .navbar .dropdown-item:focus {
    background-color: rgba(18, 78, 65, 0.08) !important;
    color: #124E41 !important;
    transform: translateX(4px);
}

.navbar .dropdown-divider {
    border-color: rgba(0, 0, 0, 0.08) !important;
    margin: 0.4rem 0 !important;
}

/* Desktop Hover Interaction (min-width: 992px) */
@media (min-width: 992px) {
    .navbar .nav-item.dropdown {
        position: relative;
    }

    /* Invisible hover bridge between the nav link and dropdown menu */
    .navbar .nav-item.dropdown::after {
        content: '';
        position: absolute;
        bottom: -15px;
        left: 0;
        right: 0;
        height: 20px;
        z-index: 1025;
    }

    .navbar .nav-item.dropdown .dropdown-menu {
        display: block !important;
        margin-top: 0 !important;
        opacity: 0;
        visibility: hidden;
        transform: translateY(10px);
        transition: opacity 0.2s cubic-bezier(0.16, 1, 0.3, 1), transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.2s;
        pointer-events: none;
    }

    .navbar .nav-item.dropdown:hover .dropdown-menu,
    .navbar .nav-item.dropdown .dropdown-menu:hover {
        opacity: 1 !important;
        visibility: visible !important;
        transform: translateY(0) !important;
        pointer-events: auto !important;
    }
}

/* Mobile Menu Adjustments (max-width: 991px) */
@media (max-width: 991px) {
    .navbar-collapse {
        background: linear-gradient(135deg, #124E41 0%, #092a23 100%);
        padding: 1.2rem;
        border-radius: 12px;
        margin-top: 0.75rem;
        box-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);
    }

    .navbar .nav-link {
        margin: 0.25rem 0;
        text-align: center;
    }

    .navbar .dropdown-menu {
        background: #ffffff !important;
        text-align: left;
        margin: 0.5rem 0 !important;
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15) !important;
        border-radius: 10px !important;
        padding: 0.5rem 0 !important;
    }

    .navbar .dropdown-item {
        justify-content: flex-start;
        padding: 0.6rem 1.2rem !important;
    }

    .navbar .btn-login {
        margin-top: 0.5rem;
        width: 100%;
    }
}