/* ----------------------------------------------------------------------
   Romma - Premium Industrial & Mining CSS Design System
   ---------------------------------------------------------------------- */

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

:root {
    /* Color Palette */
    --color-bg: #0B0C10;
    --color-bg-light: #12141C;
    --color-card-bg: rgba(22, 25, 35, 0.65);
    --color-border: rgba(255, 255, 255, 0.07);
    --color-border-hover: rgba(255, 122, 0, 0.3);
    
    --color-primary: #FF7A00; /* Safety Orange */
    --color-primary-rgb: 255, 122, 0;
    --color-primary-hover: #E06B00;
    --color-secondary: #E5A93B; /* Mining Gold */
    --color-text-main: #F3F4F6;
    --color-text-muted: #9CA3AF;
    --color-white: #FFFFFF;
    
    /* Fonts */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Layout & Styling */
    --glass-blur: blur(12px);
    --shadow-orange: 0 8px 30px rgba(255, 122, 0, 0.15);
    --shadow-soft: 0 10px 40px rgba(0, 0, 0, 0.3);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius: 16px;
    --border-radius-sm: 8px;
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.02em;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Glassmorphism Classes */
.glass-panel {
    background: var(--color-card-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.glass-panel:hover {
    border-color: var(--color-border-hover);
    box-shadow: var(--shadow-orange);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition);
    border: none;
    gap: 8px;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
    box-shadow: 0 4px 14px rgba(255, 122, 0, 0.4);
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 122, 0, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text-main);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

/* Navigation Header */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(11, 12, 16, 0.75);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--color-border);
    transition: var(--transition);
}

.site-header.scrolled {
    background: rgba(11, 12, 16, 0.95);
    padding: 10px 0;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
    transition: var(--transition);
}

.site-header.scrolled .header-container {
    height: 70px;
}

.logo img {
    height: 50px;
    width: auto;
    transition: var(--transition);
}

.site-header.scrolled .logo img {
    height: 42px;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 32px;
}

.main-nav a {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-muted);
    position: relative;
    padding: 8px 0;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--color-primary);
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: var(--transition);
}

.main-nav a:hover::after,
.main-nav a.active::after {
    width: 100%;
}

.mobile-nav-toggle {
    display: none;
    color: var(--color-text-main);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    position: relative;
    padding: 220px 0 140px;
    background: linear-gradient(90deg, rgba(11, 12, 16, 0.96) 0%, rgba(11, 12, 16, 0.75) 50%, rgba(11, 12, 16, 0.4) 100%),
                url('../images/mining2-slider-bg.jpg') no-repeat center right / cover;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    bottom: -150px;
    left: -150px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(229, 169, 59, 0.05) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-content {
    max-width: 700px;
    position: relative;
    z-index: 10;
}

.hero h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 24px;
    background: linear-gradient(135deg, var(--color-white) 30%, #FFD6A5 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero h1 span {
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: block;
}

.hero p {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    margin-bottom: 40px;
    max-width: 600px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* Sections General */
.section {
    padding: 100px 0;
    position: relative;
}

.section-bg-light {
    background-color: var(--color-bg-light);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-header h2 {
    font-size: 2.75rem;
    margin-bottom: 16px;
    background: linear-gradient(180deg, var(--color-white) 0%, #E5E7EB 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-header p {
    color: var(--color-text-muted);
    font-size: 1.1rem;
}

.section-header .divider {
    width: 60px;
    height: 4px;
    background-color: var(--color-primary);
    margin: 16px auto 0;
    border-radius: 2px;
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h3 {
    font-size: 1.85rem;
    margin-bottom: 24px;
    color: var(--color-secondary);
}

.about-text p {
    margin-bottom: 20px;
    color: var(--color-text-muted);
}

.about-mission-vision {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-top: 40px;
}

.mv-card {
    padding: 24px;
}

.mv-card i {
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: 16px;
}

.mv-card h4 {
    font-size: 1.2rem;
    margin-bottom: 12px;
}

.mv-card p {
    font-size: 0.95rem;
    margin: 0;
}

.about-images {
    position: relative;
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-template-rows: repeat(12, 1fr);
    height: 500px;
}

.about-img-1 {
    grid-column: 1 / 9;
    grid-row: 1 / 10;
    z-index: 2;
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 2px solid var(--color-border);
    box-shadow: var(--shadow-soft);
}

.about-img-2 {
    grid-column: 5 / 13;
    grid-row: 4 / 13;
    z-index: 3;
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 2px solid var(--color-border);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
}

.about-img-1 img,
.about-img-2 img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.about-images:hover .about-img-1 img {
    transform: scale(1.05);
}

.about-images:hover .about-img-2 img {
    transform: scale(1.05);
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    padding: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.service-img-wrapper {
    height: 220px;
    width: 100%;
    overflow: hidden;
    position: relative;
    border-bottom: 1px solid var(--color-border);
}

.service-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.service-card:hover .service-img-wrapper img {
    transform: scale(1.1);
}

.service-content {
    padding: 32px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.service-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--border-radius-sm);
    background-color: rgba(255, 122, 0, 0.1);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 20px;
    border: 1px solid rgba(255, 122, 0, 0.2);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 14px;
    transition: var(--transition);
}

.service-card:hover h3 {
    color: var(--color-primary);
}

.service-card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    margin-bottom: 20px;
    flex-grow: 1;
}

.service-bullets {
    list-style: none;
    margin-bottom: 24px;
}

.service-bullets li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--color-text-main);
    margin-bottom: 8px;
}

.service-bullets li i {
    color: var(--color-primary);
    font-size: 0.8rem;
}

.service-card .btn-link {
    font-weight: 600;
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: auto;
}

.service-card .btn-link:hover {
    color: var(--color-primary-hover);
}

.service-card .btn-link i {
    transition: var(--transition);
}

.service-card .btn-link:hover i {
    transform: translateX(4px);
}

/* Stats Counter Section */
.stats {
    background: linear-gradient(180deg, rgba(18,20,28,1) 0%, rgba(11,12,16,1) 100%);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    padding: 60px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}

.stat-item h3 {
    font-size: 3.5rem;
    color: var(--color-primary);
    margin-bottom: 8px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-item p {
    color: var(--color-text-muted);
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 1.05rem;
}

/* Experience / Clients / Faenas */
.faenas {
    padding: 80px 0;
    background-color: var(--color-bg);
}

.faenas-slider-container {
    overflow: hidden;
    position: relative;
    width: 100%;
}

.faenas-slider-container::before,
.faenas-slider-container::after {
    content: '';
    position: absolute;
    top: 0;
    width: 150px;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

.faenas-slider-container::before {
    left: 0;
    background: linear-gradient(to right, var(--color-bg) 0%, transparent 100%);
}

.faenas-slider-container::after {
    right: 0;
    background: linear-gradient(to left, var(--color-bg) 0%, transparent 100%);
}

.faenas-track {
    display: flex;
    gap: 40px;
    width: max-content;
    animation: scrollTrack 30s linear infinite;
}

.faena-card {
    padding: 20px 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-text-muted);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    background: rgba(255, 255, 255, 0.02);
    transition: var(--transition);
}

.faena-card:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: rgba(255, 122, 0, 0.05);
}

@keyframes scrollTrack {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: start;
}

.contact-info h3 {
    font-size: 1.85rem;
    margin-bottom: 16px;
}

.contact-info > p {
    color: var(--color-text-muted);
    margin-bottom: 40px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-bottom: 40px;
}

.detail-item {
    display: flex;
    gap: 20px;
}

.detail-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--border-radius-sm);
    background-color: rgba(255, 122, 0, 0.1);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    border: 1px solid rgba(255, 122, 0, 0.2);
    flex-shrink: 0;
}

.detail-content h4 {
    font-size: 1.1rem;
    margin-bottom: 4px;
}

.detail-content p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.detail-content span {
    font-size: 0.85rem;
    color: var(--color-secondary);
}

.contact-map-wrapper {
    width: 100%;
    height: 250px;
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.contact-map-wrapper iframe {
    width: 100%;
    height: 100%;
    border: none;
    filter: invert(90%) hue-rotate(180deg) grayscale(10%); /* Sleek dark map effect */
}

/* Form Styles */
.contact-form {
    padding: 40px;
}

.contact-form h3 {
    font-size: 1.85rem;
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 24px;
    position: relative;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: 8px;
    font-weight: 500;
}

.form-control {
    width: 100%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    padding: 14px 18px;
    color: var(--color-text-main);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    background: rgba(255, 255, 255, 0.05);
    box-shadow: 0 0 10px rgba(255, 122, 0, 0.1);
}

textarea.form-control {
    resize: vertical;
    min-height: 140px;
}

/* Footer */
.site-footer {
    background-color: var(--color-bg-light);
    border-top: 1px solid var(--color-border);
    padding: 80px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1.2fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand .footer-logo img {
    height: 60px;
    width: auto;
    margin-bottom: 24px;
}

.footer-brand p {
    color: var(--color-text-muted);
    margin-bottom: 24px;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.04);
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.social-btn:hover {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
    transform: translateY(-3px);
}

.footer-links h4,
.footer-contact h4 {
    font-size: 1.2rem;
    margin-bottom: 24px;
    position: relative;
    padding-bottom: 8px;
}

.footer-links h4::after,
.footer-contact h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--color-primary);
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: var(--color-primary);
    padding-left: 5px;
}

.footer-contact-details {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-contact-details p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-contact-details p i {
    color: var(--color-primary);
    font-size: 1rem;
    width: 20px;
}

.footer-bottom {
    border-top: 1px solid var(--color-border);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-bottom p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.footer-bottom a {
    color: var(--color-secondary);
}

.footer-bottom a:hover {
    text-decoration: underline;
}

/* Chatbot Widget Styles */
.chat-toggle {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    cursor: pointer;
    box-shadow: 0 8px 30px rgba(255, 122, 0, 0.4);
    z-index: 999;
    transition: var(--transition);
}

.chat-toggle:hover {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 10px 35px rgba(255, 122, 0, 0.6);
}

.chatbot-container {
    position: fixed;
    bottom: 110px;
    right: 30px;
    width: 380px;
    height: 520px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    visibility: hidden;
    opacity: 0;
    transform: translateY(20px) scale(0.95);
    transition: var(--transition);
    overflow: hidden;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.5);
}

.chatbot-container.active {
    visibility: visible;
    opacity: 1;
    transform: translateY(0) scale(1);
}

.chat-header {
    background: linear-gradient(135deg, #1A1C25, #0B0C10);
    padding: 20px;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chat-header-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.chat-header-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 122, 0, 0.1);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 122, 0, 0.2);
    font-size: 1.2rem;
}

.chat-header-status h3 {
    font-size: 1.05rem;
    margin: 0;
}

.chat-header-status span {
    font-size: 0.75rem;
    color: #10B981; /* Online green */
    display: flex;
    align-items: center;
    gap: 4px;
    font-weight: 500;
}

.chat-header-status span::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: #10B981;
    display: inline-block;
}

.chat-close {
    color: var(--color-text-muted);
    cursor: pointer;
    font-size: 1.2rem;
    transition: var(--transition);
    padding: 4px;
}

.chat-close:hover {
    color: var(--color-primary);
}

.chat-body {
    flex-grow: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
    background: rgba(18, 20, 28, 0.95);
}

.chat-msg {
    display: flex;
    flex-direction: column;
    max-width: 80%;
}

.chat-msg.bot {
    align-self: flex-start;
}

.chat-msg.user {
    align-self: flex-end;
}

.msg-bubble {
    padding: 12px 16px;
    border-radius: var(--border-radius-sm);
    font-size: 0.92rem;
    word-wrap: break-word;
}

.chat-msg.bot .msg-bubble {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-border);
    border-bottom-left-radius: 2px;
}

.chat-msg.user .msg-bubble {
    background: var(--color-primary);
    color: var(--color-white);
    border-bottom-right-radius: 2px;
}

.chat-msg-time {
    font-size: 0.7rem;
    color: var(--color-text-muted);
    margin-top: 4px;
}

.chat-msg.user .chat-msg-time {
    align-self: flex-end;
}

.chat-footer {
    padding: 16px 20px;
    background: #111217;
    border-top: 1px solid var(--color-border);
    display: flex;
    gap: 12px;
    align-items: center;
}

.chat-footer input {
    flex-grow: 1;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    padding: 10px 14px;
    color: var(--color-text-main);
    font-family: var(--font-body);
    font-size: 0.9rem;
    transition: var(--transition);
}

.chat-footer input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.chat-send {
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius-sm);
    background: var(--color-primary);
    color: var(--color-white);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.chat-send:hover {
    background-color: var(--color-primary-hover);
    transform: scale(1.05);
}

.wa-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background-color: #25D366 !important;
    color: var(--color-white) !important;
    padding: 12px 18px;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    text-align: center;
    margin-top: 10px;
    transition: var(--transition);
    border: none;
    box-shadow: 0 4px 10px rgba(37, 211, 102, 0.3);
}

.wa-btn:hover {
    background-color: #20BA5A !important;
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(37, 211, 102, 0.4);
}

/* Form Response Notification */
.form-notification {
    padding: 12px;
    border-radius: var(--border-radius-sm);
    font-size: 0.95rem;
    text-align: center;
    margin-top: 16px;
    display: none;
}

.form-notification.success {
    background-color: rgba(16, 185, 129, 0.1);
    color: #10B981;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

/* Hamburger Menu */
@media (max-width: 991px) {
    .mobile-nav-toggle {
        display: block;
    }
    
    .main-nav {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        height: 0;
        overflow: hidden;
        background: rgba(11, 12, 16, 0.98);
        border-bottom: 0 solid var(--color-border);
        transition: var(--transition);
        z-index: 999;
    }
    
    .main-nav.active {
        height: calc(100vh - 80px);
        border-bottom-width: 1px;
        padding: 40px 24px;
    }
    
    .main-nav ul {
        flex-direction: column;
        align-items: center;
        gap: 40px;
    }
    
    .main-nav a {
        font-size: 1.3rem;
    }
    
    .about-grid, .contact-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .about-images {
        height: 400px;
        margin-top: 40px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 767px) {
    .hero {
        background: linear-gradient(180deg, rgba(11, 12, 16, 0.95) 0%, rgba(11, 12, 16, 0.9) 100%),
                    url('../images/mining2-slider-bg.jpg') no-repeat center right / cover;
        padding: 160px 0 100px;
    }

    .hero h1 {
        font-size: 2.75rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-form {
        padding: 24px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .chatbot-container {
        width: calc(100vw - 40px);
        right: 20px;
        left: 20px;
    }
}