/* ========================================
   HORUS Robotics - Main Stylesheet
   Modern, Responsive Design
   ======================================== */

/* ========================================
   CSS Variables & Reset
   ======================================== */

:root {
    /* Colors */
    --color-primary: #2C5F7C;
    --color-primary-dark: #1a3a4d;
    --color-primary-light: #3d7a9e;
    --color-secondary: #2D3436;
    --color-accent: #00BCD4;
    --color-accent-dark: #0097a7;
    --color-success: #4CAF50;
    --color-error: #f44336;
    
    --color-white: #FFFFFF;
    --color-bg-light: #F5F7FA;
    --color-bg-dark: #1a1a1a;
    --color-text: #2D3436;
    --color-text-light: #636e72;
    --color-border: #dfe6e9;
    
    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-xxl: 64px;
    
    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, sans-serif;
    --font-family-mono: "Courier New", Courier, monospace;
    
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3rem;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* Layout */
    --container-width: 1200px;
    --header-height: 80px;
}

/* Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
    color: var(--color-accent);
}

ul {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ========================================
   Typography
   ======================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--color-secondary);
}

h1 {
    font-size: var(--font-size-5xl);
}

h2 {
    font-size: var(--font-size-4xl);
}

h3 {
    font-size: var(--font-size-3xl);
}

h4 {
    font-size: var(--font-size-2xl);
}

h5 {
    font-size: var(--font-size-xl);
}

h6 {
    font-size: var(--font-size-lg);
}

p {
    margin-bottom: var(--spacing-sm);
}

.lead {
    font-size: var(--font-size-lg);
    font-weight: 300;
    line-height: 1.8;
    color: var(--color-text-light);
}

.small-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

/* ========================================
   Layout Components
   ======================================== */

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.main-content {
    min-height: calc(100vh - var(--header-height));
}

/* ========================================
   Header & Navigation
   ======================================== */

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    height: var(--header-height);
    transition: height var(--transition-base), box-shadow var(--transition-base);
}

.site-header.scrolled {
    height: 60px;
    box-shadow: var(--shadow-md);
}

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

.site-header.scrolled .header-content {
    height: 60px;
}

.logo {
    display: flex;
    align-items: center;
    height: 50px;
    transition: height var(--transition-base);
}

.site-header.scrolled .logo {
    height: 40px;
}

.logo img {
    height: 100%;
    width: auto;
}

/* Main Navigation */
.main-nav {
    display: flex;
    align-items: center;
    flex: 1;
    justify-content: center;
}

.nav-list {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: block;
    padding: var(--spacing-sm);
    color: var(--color-secondary);
    font-weight: 500;
    font-size: var(--font-size-base);
    transition: color var(--transition-base);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width var(--transition-base);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

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

/* Dropdown */
.has-dropdown {
    position: relative;
}

.dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background-color: var(--color-white);
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
    padding: var(--spacing-sm) 0;
    margin-top: var(--spacing-xs);
}

.has-dropdown:hover .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-link {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-secondary);
    transition: all var(--transition-fast);
}

.dropdown-link:hover,
.dropdown-link.active {
    background-color: var(--color-bg-light);
    color: var(--color-primary);
}

/* Language Switcher */
.language-switcher {
    display: flex;
    gap: var(--spacing-xs);
    align-items: center;
}

.lang-link {
    display: block;
    width: 32px;
    height: 24px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    opacity: 0.6;
    transition: opacity var(--transition-base), transform var(--transition-base);
}

.lang-link:hover {
    opacity: 1;
    transform: scale(1.1);
}

.lang-link.active {
    opacity: 1;
    box-shadow: 0 0 0 2px var(--color-accent);
}

.lang-link img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-xs);
    z-index: 1001;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--color-secondary);
    transition: all var(--transition-base);
    border-radius: 2px;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ========================================
   Hero Section
   ======================================== */

.hero {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-white);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><rect width="1" height="1" fill="white" fill-opacity="0.05"/></svg>');
    background-size: 50px 50px;
    opacity: 0.3;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, rgba(0,0,0,0.2) 0%, rgba(0,0,0,0.4) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    padding: var(--spacing-xl) var(--spacing-md);
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    font-weight: 300;
    color: rgba(255,255,255,0.95);
    margin-bottom: var(--spacing-xl);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ========================================
   Buttons
   ======================================== */

.btn {
    display: inline-block;
    padding: 12px 32px;
    font-size: var(--font-size-base);
    font-weight: 500;
    text-align: center;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
    text-decoration: none;
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-white);
}

.btn-primary:hover {
    background-color: var(--color-accent-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

.btn-secondary:hover {
    background-color: var(--color-white);
    color: var(--color-primary);
}

.btn-text {
    background-color: transparent;
    color: var(--color-primary);
    padding: 0;
    font-weight: 600;
}

.btn-text:hover {
    color: var(--color-accent);
    transform: translateX(5px);
}

.btn-large {
    padding: 16px 48px;
    font-size: var(--font-size-lg);
}

.btn-download {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.btn-download:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ========================================
   Sections
   ======================================== */

.page-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-white);
    padding: var(--spacing-xxl) 0 var(--spacing-xl);
    text-align: center;
}

.page-header h1 {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.page-subtitle {
    font-size: var(--font-size-lg);
    opacity: 0.9;
}

.content-section {
    padding: var(--spacing-xxl) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

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

/* ========================================
   Product Cards
   ======================================== */

.featured-products {
    padding: var(--spacing-xxl) 0;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: var(--spacing-xl);
}

.product-card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.product-image {
    width: 100%;
    height: 300px;
    overflow: hidden;
    background-color: var(--color-bg-light);
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.product-content {
    padding: var(--spacing-lg);
}

.product-content h2 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.product-content p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

/* ========================================
   Services Section
   ======================================== */

.services {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-bg-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.service-card {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.service-card h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.service-card p {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
}

/* ========================================
   Capabilities Section
   ======================================== */

.capabilities {
    background-color: var(--color-secondary);
    color: var(--color-white);
    padding: var(--spacing-xl) 0;
}

.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.capability-item {
    text-align: center;
}

.capability-item h4 {
    color: var(--color-accent);
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xs);
}

.capability-item p {
    color: rgba(255,255,255,0.8);
    font-size: var(--font-size-sm);
}

/* ========================================
   Features Section
   ======================================== */

.features-section {
    padding: var(--spacing-xxl) 0;
}

.feature-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

.feature-block.reverse {
    direction: rtl;
}

.feature-block.reverse > * {
    direction: ltr;
}

.feature-image {
    width: 100%;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.feature-image img {
    width: 100%;
    height: auto;
}

.feature-content h2 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.feature-intro {
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.feature-list {
    list-style: none;
    padding-left: 0;
}

.feature-list li {
    position: relative;
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-success);
    font-weight: bold;
    font-size: var(--font-size-lg);
}

/* ========================================
   Gallery
   ======================================== */

.gallery-section {
    padding: var(--spacing-xxl) 0;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.gallery-grid-horizontal {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.gallery-item {
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.gallery-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.gallery-item p {
    padding: var(--spacing-sm);
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-text);
}

/* ========================================
   Video Section
   ======================================== */

.video-section {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-bg-light);
}

.video-container {
    max-width: 900px;
    margin: 0 auto;
}

.video-container video {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.video-note {
    text-align: center;
    margin-top: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

/* ========================================
   Download Section
   ======================================== */

.download-section {
    padding: var(--spacing-xxl) 0;
    text-align: center;
    background-color: var(--color-bg-light);
}

.download-intro {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
    color: var(--color-text-light);
}

.download-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-lg);
}

.download-note {
    margin-top: var(--spacing-md);
    color: var(--color-text-light);
}

.downloads-content {
    padding: var(--spacing-xxl) 0;
}

.download-category {
    margin-bottom: var(--spacing-xxl);
}

.download-category h2 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-accent);
}

.download-subcategory {
    color: var(--color-secondary);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-xl);
}

.download-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-sm);
    transition: all var(--transition-base);
}

.download-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(5px);
}

.download-info h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
}

.download-meta {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

/* ========================================
   Info Box
   ======================================== */

.info-box {
    background-color: var(--color-bg-light);
    border-left: 4px solid var(--color-accent);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin: var(--spacing-lg) 0;
}

.info-box h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

/* ========================================
   Contact Page
   ======================================== */

.contact-content {
    padding: var(--spacing-xxl) 0;
}

.contact-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xxl);
}

.contact-form-wrapper h2,
.contact-info-wrapper h2 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
}

/* Form Styles */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--color-secondary);
}

.form-group input,
.form-group textarea {
    padding: 12px 16px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: var(--font-size-base);
    transition: border-color var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

.form-group textarea {
    resize: vertical;
}

/* Contact Info */
.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-item h3 {
    font-size: var(--font-size-lg);
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.contact-item p {
    color: var(--color-text-light);
}

/* Alert Messages */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* ========================================
   CTA Section
   ======================================== */

.cta {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-white);
    padding: var(--spacing-xxl) 0;
    text-align: center;
}

.cta h2 {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.cta p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
}

/* ========================================
   Footer
   ======================================== */

.site-footer {
    background-color: var(--color-secondary);
    color: rgba(255,255,255,0.8);
    padding: var(--spacing-xxl) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h3 {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-xs);
}

.footer-links a {
    color: rgba(255,255,255,0.7);
    transition: color var(--transition-base);
}

.footer-links a:hover {
    color: var(--color-accent);
}

.footer-note {
    margin-top: var(--spacing-md);
    font-size: var(--font-size-sm);
}

.footer-note a {
    color: var(--color-accent);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-bottom p {
    font-size: var(--font-size-sm);
    margin: 0;
}

/* ========================================
   Utility Classes
   ======================================== */

.centered-image {
    text-align: center;
    margin: var(--spacing-xl) 0;
}

.centered-image img {
    display: inline-block;
    max-width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.intro-text {
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
}

.content-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
}

.content-image img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.feature-list-detailed {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.feature-item-detailed h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.feature-item-
detailed ul {
list-style: none;
padding-left: 0;
}
.feature-item-detailed ul li {
position: relative;
padding-left: var(--spacing-lg);
margin-bottom: var(--spacing-xs);
}
.feature-item-detailed ul li::before {
content: '•';
position: absolute;
left: 0;
color: var(--color-accent);
font-weight: bold;
font-size: var(--font-size-xl);
}
.integrated-system,
.system-info,
.concept-section,
.cad-content,
.cad-services,
.trademark-notice {
padding: var(--spacing-xxl) 0;
}
.system-image {
text-align: center;
margin-top: var(--spacing-xl);
}
.system-image img {
max-width: 600px;
border-radius: var(--radius-lg);
box-shadow: var(--shadow-md);
}
.concept-list {
display: flex;
flex-direction: column;
gap: var(--spacing-xl);
}
.concept-item {
background-color: var(--color-white);
padding: var(--spacing-lg);
border-radius: var(--radius-lg);
box-shadow: var(--shadow-sm);
}
.concept-item h3 {
color: var(--color-primary);
margin-bottom: var(--spacing-sm);
}
.back-link-section {
padding: var(--spacing-xl) 0;
text-align: center;
}
.trademark-notice {
background-color: var(--color-bg-light);
text-align: center;
}
/* ========================================
Responsive Design
======================================== */
@media (max-width: 1024px) {
:root {
--font-size-5xl: 2.5rem;
--font-size-4xl: 2rem;
--font-size-3xl: 1.75rem;
}
.product-grid {
    grid-template-columns: 1fr;
}

.feature-block {
    grid-template-columns: 1fr;
}

.feature-block.reverse {
    direction: ltr;
}

.contact-layout {
    grid-template-columns: 1fr;
}

.content-layout {
    grid-template-columns: 1fr;
}
.mobile-menu-toggle {
    display: flex;
}

.main-nav {
    position: fixed;
    top: var(--header-height);
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: calc(100vh - var(--header-height));
    background-color: var(--color-white);
    box-shadow: var(--shadow-xl);
    transition: right var(--transition-base);
    overflow-y: auto;
    padding: var(--spacing-lg);
}

.main-nav.active {
    right: 0;
}

.nav-list {
    flex-direction: column;
    gap: 0;
    width: 100%;
}

.nav-item {
    width: 100%;
    border-bottom: 1px solid var(--color-border);
}

.nav-link {
    padding: var(--spacing-md);
}

.dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    background-color: var(--color-bg-light);
    margin: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
}

.has-dropdown.active .dropdown {
    max-height: 500px;
}

.hero {
    min-height: 400px;
}

.hero-title {
    font-size: var(--font-size-4xl);
}

.hero-subtitle {
    font-size: var(--font-size-base);
}

.hero-buttons {
    flex-direction: column;
}

.services-grid {
    grid-template-columns: 1fr;
}

.capabilities-grid {
    grid-template-columns: repeat(2, 1fr);
}

.gallery-grid {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}

.gallery-grid-horizontal {
    grid-template-columns: 1fr;
}

.download-buttons {
    flex-direction: column;
}

.download-item {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-md);
}

.footer-content {
    grid-template-columns: 1fr;
}

}


@media (max-width: 768px) {

    .mobile-menu-toggle {
        display: flex;
        margin-right: 16px;
    }

    .main-nav {
        display: none;
        position: absolute;
        top: var(--header-height);
        left: 0;
        width: 100%;
        background-color: #ffffff;
        flex-direction: column;
        box-shadow: var(--shadow-lg);
        z-index: 1000;
    }

    .main-nav.active {
        display: flex;
    }

    .nav-list {
        flex-direction: column;
        width: 100%;
    }

    .nav-link {
        padding: 16px;
        border-bottom: 1px solid var(--color-border);
    }

    /* fix dropdown visibility */
    .dropdown {
        display: none;
        background-color: #ffffff;  /* <- add a solid background */
        box-shadow: var(--shadow-lg); /* optional: add shadow so it pops */
        z-index: 1001; /* make sure it’s above main nav */
    }

    .has-dropdown.active .dropdown {
        display: block;
    }

}


/*
@media (max-width: 480px) {
:root {
--font-size-5xl: 1.75rem;
--font-size-4xl: 1.5rem;
--spacing-xxl: 32px;
--spacing-xl: 24px;
}

.container {
    padding: 0 var(--spacing-sm);
}

.capabilities-grid {
    grid-template-columns: 1fr;
}

.btn-large {
    padding: 14px 32px;
    font-size: var(--font-size-base);
}

}
*/
/* ========================================
Print Styles
======================================== */
@media print {
.site-header,
.site-footer,
.mobile-menu-toggle,
.language-switcher,
.btn,
.hero-buttons {
display: none !important;
}

body {
    font-size: 12pt;
    line-height: 1.5;
    color: #000;
}

.main-content {
    margin: 0;
}

a {
    color: #000;
    text-decoration: underline;
}

}