/* Modern Industrial Design System */

:root {
    --primary-color: #0f172a;      /* Deep Slate Blue */
    --secondary-color: #1e293b;    /* Charcoal */
    --accent-color: #f59e0b;       /* Safety Amber/Warning */
    --accent-hover: #d97706;       /* Darker Amber */
    --text-primary: #1e293b;       /* Dark Gray for primary text */
    --text-muted: #64748b;         /* Muted Slate Gray */
    --bg-light: #f8fafc;           /* Light Off-white */
    --bg-white: #ffffff;
    --border-color: #e2e8f0;       /* Light border */
    --font-main: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --card-shadow: 0 10px 30px -5px rgba(15, 23, 42, 0.08);
    --card-shadow-hover: 0 20px 40px -5px rgba(15, 23, 42, 0.15);
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-light);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.6;
}

/* Custom Navbar Styles */
.custom-navbar {
    background-color: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 2px solid var(--accent-color);
    padding: 15px 0;
    transition: var(--transition-normal);
}

.brand-text {
    font-weight: 700;
    letter-spacing: 0.5px;
    font-size: 1.4rem;
    color: #fff;
}

.brand-logo-icon {
    font-size: 1.6rem;
    animation: spin-gears 10s linear infinite;
}

@keyframes spin-gears {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.custom-navbar .nav-link {
    color: #cbd5e1 !important;
    font-weight: 500;
    font-size: 1rem;
    padding: 8px 16px !important;
    margin: 0 2px;
    border-radius: 6px;
    transition: var(--transition-fast);
}

.custom-navbar .nav-link:hover {
    color: var(--accent-color) !important;
    background-color: rgba(245, 158, 11, 0.08);
}

.custom-navbar .nav-link.active {
    color: #ffffff !important;
    background-color: var(--accent-color) !important;
    font-weight: 600;
}

.navbar-cta-btn {
    border-radius: 6px;
    font-weight: 600;
    padding: 8px 20px;
    transition: var(--transition-fast);
}

.navbar-cta-btn:hover {
    background-color: var(--accent-color);
    color: var(--primary-color) !important;
    transform: translateY(-1px);
}

/* Hero Banner */
.hero {
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.9) 0%, rgba(30, 41, 59, 0.7) 100%), url('../images/machine-banner.png');
    background-size: cover;
    background-position: center;
    padding: 160px 0;
    color: #fff;
    position: relative;
    border-bottom: 4px solid var(--accent-color);
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 20px;
    text-transform: uppercase;
}

.hero p.lead {
    font-size: 1.35rem;
    font-weight: 300;
    color: #e2e8f0;
    max-width: 700px;
    margin: 0 auto 35px auto;
}

/* Custom Buttons */
.btn-warning {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: var(--primary-color);
    font-weight: 600;
    border-radius: 6px;
    transition: var(--transition-normal);
}

.btn-warning:hover {
    background-color: var(--accent-hover);
    border-color: var(--accent-hover);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(245, 158, 11, 0.3);
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    font-weight: 600;
    border-radius: 6px;
    transition: var(--transition-normal);
}

.btn-primary:hover {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.2);
}

/* Section Styling */
.section-title {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--primary-color);
    position: relative;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background-color: var(--accent-color);
    border-radius: 2px;
}

.section-title.center::after {
    left: 50%;
    transform: translateX(-50%);
}

/* Premium Card Design */
.card {
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background-color: var(--bg-white);
    transition: var(--transition-normal);
    overflow: hidden;
}

.card.shadow-sm {
    box-shadow: var(--card-shadow) !important;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: var(--card-shadow-hover) !important;
    border-color: rgba(245, 158, 11, 0.3);
}

.card-img-top {
    height: 240px;
    object-fit: cover;
    transition: var(--transition-normal);
}

.card:hover .card-img-top {
    transform: scale(1.05);
}

.card-body h4, .card-body h5 {
    font-weight: 700;
    color: var(--primary-color);
}

/* Amazon-style Image Gallery Styles */
.gallery-container {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

/* Thumbnail Column */
.thumbnail-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 80px;
    flex-shrink: 0;
}

.thumbnail-wrapper {
    width: 80px;
    height: 80px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition-fast);
    background-color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
}

.thumbnail-wrapper img {
    max-width: 100%;
    max-height: 100%;
    object-fit: cover;
}

.thumbnail-wrapper:hover, .thumbnail-wrapper.active {
    border-color: var(--accent-color);
    box-shadow: 0 0 5px rgba(245, 158, 11, 0.5);
    transform: translateY(-2px);
}

/* Main Display Image with Zoom Lens support */
.main-image-container {
    position: relative;
    flex-grow: 1;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    background-color: #fff;
    height: 480px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: zoom-in;
}

.main-image-container img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: transform 0.1s ease;
    transform-origin: center center;
}

/* Lens for Hover Zoom */
.zoom-lens {
    position: absolute;
    border: 1px solid #c0c0c0;
    width: 120px;
    height: 120px;
    background-color: rgba(255, 255, 255, 0.4);
    pointer-events: none;
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(0,0,0,0.15);
    display: none;
    z-index: 10;
}

/* Zoom Result Window */
.zoom-result {
    position: absolute;
    top: 0;
    left: 105%;
    width: 100%;
    height: 100%;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    background-repeat: no-repeat;
    display: none;
    z-index: 99;
    background-color: #fff;
    box-shadow: var(--card-shadow-hover);
    pointer-events: none;
}

/* Responsive adjust for Gallery */
@media (max-width: 768px) {
    .gallery-container {
        flex-direction: column-reverse;
    }
    .thumbnail-list {
        flex-direction: row;
        max-width: 100%;
        justify-content: center;
    }
    .main-image-container {
        height: 320px;
    }
    .zoom-result {
        display: none !important; /* Disable zoom lens overlay on small screens */
    }
}

/* Spec Tables */
.spec-table {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
}

.spec-table th {
    background-color: var(--primary-color) !important;
    color: #fff !important;
    font-weight: 600;
}

.spec-table tr:nth-child(even) {
    background-color: #f1f5f9;
}

/* Feature bullets */
.feature-list {
    list-style: none;
    padding-left: 0;
}

.feature-list li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 12px;
}

.feature-list li::before {
    content: "\f00c"; /* Checkmark */
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    position: absolute;
    left: 0;
    top: 2px;
    color: var(--accent-color);
}

/* Contact Form Container styling */
.contact-card {
    border: none;
    box-shadow: var(--card-shadow-hover);
    background-color: #fff;
    border-radius: 16px;
    padding: 30px;
    border-top: 5px solid var(--accent-color);
}

.form-control {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px;
    transition: var(--transition-fast);
}

.form-control:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.15);
}

/* About timeline */
.about-features {
    background-color: var(--primary-color);
    color: #fff;
    border-radius: 16px;
    padding: 40px;
    margin-top: 50px;
}

/* Footer Styling */
footer {
    background-color: var(--primary-color) !important;
    border-top: 4px solid var(--accent-color);
}

footer p {
    color: #94a3b8;
    font-size: 0.95rem;
}

.custom-navbar .dropdown-menu.custom-dropdown {
    background-color: var(--primary-color) !important;
    border: 1.5px solid var(--accent-color) !important;
    border-radius: 8px !important;
    margin-top: 10px !important;
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.5) !important;
    padding: 10px 0 !important;
    min-width: 320px !important;
    animation: fadeInDropdown 0.25s ease-out;
}

/* Hover bridge to prevent losing hover state in the 10px margin gap */
.custom-navbar .dropdown-menu.custom-dropdown::before {
    content: '';
    position: absolute;
    top: -15px;
    left: 0;
    width: 100%;
    height: 15px;
    background-color: transparent;
}

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

.custom-navbar .custom-dropdown .dropdown-item {
    color: #cbd5e1 !important;
    font-weight: 500 !important;
    font-size: 0.95rem !important;
    padding: 10px 20px !important;
    margin: 0 !important;
    border-radius: 0 !important;
    transition: var(--transition-fast) !important;
    display: flex !important;
    align-items: center !important;
}

.custom-navbar .custom-dropdown .dropdown-item i {
    width: 24px;
    text-align: center;
    color: #94a3b8;
    transition: var(--transition-fast);
}

.custom-navbar .custom-dropdown .dropdown-item:hover {
    color: #ffffff !important;
    background-color: rgba(245, 158, 11, 0.12) !important;
}

.custom-navbar .custom-dropdown .dropdown-item:hover i {
    color: var(--accent-color) !important;
    transform: scale(1.1);
}

.custom-navbar .custom-dropdown .dropdown-divider {
    border-color: rgba(255, 255, 255, 0.1) !important;
    margin: 8px 0 !important;
}

/* Positioning and display triggers for dropdown (desktop and mobile) */
@media (min-width: 992px) {
    .custom-navbar .nav-item.dropdown {
        position: relative;
    }
    .custom-navbar .custom-dropdown {
        position: absolute !important;
        left: 0 !important;
        top: 100% !important;
        display: none;
    }
    .custom-navbar .custom-dropdown.show {
        display: block !important;
    }
    .navbar-nav .nav-item.dropdown:hover .dropdown-menu {
        display: block !important;
    }
}

@media (max-width: 991.98px) {
    .custom-navbar .custom-dropdown {
        position: static !important;
        display: none;
        box-shadow: none !important;
        border: none !important;
        padding-left: 20px !important;
        min-width: 100% !important;
        background-color: transparent !important;
    }
    .custom-navbar .custom-dropdown.show {
        display: block !important;
    }
}

/* Sidebar filter list group styling */
.sidebar-list-group .list-group-item-action {
    background-color: transparent !important;
    font-size: 0.95rem;
    padding: 12px 10px !important;
    border-radius: 6px !important;
    transition: var(--transition-fast) !important;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-left: 3px solid transparent !important;
}

.sidebar-list-group .list-group-item-action.active {
    color: var(--accent-color) !important;
    background-color: rgba(245, 158, 11, 0.08) !important;
    border-left-color: var(--accent-color) !important;
    padding-left: 15px !important;
}

.sidebar-card {
    border-top: 4px solid var(--accent-color) !important;
}

.sidebar-card:hover {
    transform: none !important;
    box-shadow: var(--card-shadow) !important;
    border-color: var(--border-color) !important;
}