/* ============================================
   DESIGN TOKENS & CSS VARIABLES
   ============================================ */
:root {
    /* Colors */
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --primary-light: #60a5fa;
    --secondary: #10b981;
    --secondary-dark: #059669;
    --accent: #8b5cf6;

    /* Neutrals */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --border: #e2e8f0;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

    /* Spacing */
    --container-max-width: 1200px;
    --header-height: 70px;

    /* Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

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

ul {
    list-style: none;
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.nav-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 20px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    transition: transform var(--transition-fast);
}

.nav-logo:hover {
    transform: scale(1.02);
}

.nav-logo img {
    height: 40px;
    width: auto;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 80%;
    height: 2px;
    background: var(--primary);
    transition: transform var(--transition-fast);
}

.nav-link:hover {
    color: var(--primary);
    background: var(--bg-secondary);
}

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

.nav-link.active::after {
    transform: translateX(-50%) scaleX(1);
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    cursor: pointer;
    z-index: 1001;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 3px;
    transition: all var(--transition-normal);
}

.hamburger.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.hamburger.active .bar:nth-child(2) {
    opacity: 0;
}

.hamburger.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 70vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: var(--header-height);
    overflow: hidden;
    margin-bottom: 0;
    padding-bottom: 0;
}

.hero-content {
    flex: 1;
    padding: 60px 20px;
    max-width: 650px;
    animation: fadeInUp 0.8s ease;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.2;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.7;
}

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

.hero-image {
    flex: 1;
    position: relative;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.floating-elements {
    position: relative;
    width: 100%;
    height: 100%;
}

.float-element {
    position: absolute;
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    font-size: 2rem;
    color: var(--primary);
    animation: float 6s ease-in-out infinite;
}

.float-element i.devicon {
    font-size: 2.5rem;
    width: auto;
    height: auto;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 14px rgba(59, 130, 246, 0.4);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.5);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 2px solid var(--border);
}

.btn-secondary:hover {
    background: var(--bg-tertiary);
    border-color: var(--text-muted);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
    padding: 12px 24px;
}

.btn-outline:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
}

/* ============================================
   SECTION STYLES
   ============================================ */
section {
    padding: 80px 20px;
}

section.ai-technology {
    padding-top: 0;
    margin-top: 0;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 50px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   AI TECHNOLOGY SECTION
   ============================================ */
.ai-technology {
    background: linear-gradient(135deg, #475569 0%, #334155 100%);
    color: white;
    padding: 60px 20px;
    position: relative;
    overflow: hidden;
    margin-top: 0;
    padding-top: 0;
}

.ai-technology::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"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.ai-technology .container {
    position: relative;
    z-index: 1;
}

.ai-technology .section-title {
    color: white;
    font-size: clamp(1.75rem, 3vw, 2rem);
}

.ai-technology .section-subtitle {
    color: rgba(255, 255, 255, 0.9);
}

.ai-header {
    text-align: center;
    margin-top: 40px;
    margin-bottom: 40px;
}

.ai-content {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.ai-subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    color: white;
    margin-bottom: 24px;
    text-align: center;
}

/* AI Models Grid */
.ai-models-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: 1000px;
    margin: 0 auto;
    align-items: stretch;
}

.ai-model-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    padding: 24px 20px;
    text-align: center;
    transition: all var(--transition-normal);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 160px;
    width: 100%;
    box-sizing: border-box;
}

.ai-model-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

.ai-model-card i {
    font-size: 2rem;
    color: white;
    margin-bottom: 12px;
    display: block;
}

.ai-model-card h4 {
    font-size: 1rem;
    font-weight: 600;
    color: white;
    margin-bottom: 6px;
}

.ai-model-card p {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.85);
    margin: 0;
}

/* Use Cases Grid */
.ai-show-more-wrapper {
    text-align: center;
    margin-bottom: 32px;
}

.ai-usecases-content {
    display: none;
    animation: fadeIn 0.3s ease-in;
}

.ai-usecases-content.show {
    display: block;
}

.btn-outline-white {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.5);
    padding: 10px 20px;
    font-size: 0.9rem;
}

.btn-outline-white:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: white;
}

.usecases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    max-width: 1000px;
    margin: 0 auto;
}

.usecase-card {
    background: white;
    border-radius: var(--radius-md);
    padding: 24px;
    transition: all var(--transition-normal);
    cursor: pointer;
    border: 1px solid var(--border);
}

.usecase-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
    border-color: #dc2626;
}

.usecase-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #475569 0%, #334155 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.usecase-icon i {
    font-size: 1.25rem;
    color: white;
}

.usecase-card h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.usecase-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0;
}

/* Services List */
.ai-services {
    display: none;
    animation: fadeIn 0.3s ease-in;
}

.ai-services.show {
    display: block;
}

.services-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 12px;
    max-width: 1000px;
    margin: 0 auto;
}

.service-item {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: all var(--transition-normal);
}

.service-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateX(4px);
}

.service-item i {
    font-size: 1rem;
    color: #4ade80;
    flex-shrink: 0;
}

.service-item span {
    font-size: 0.9rem;
    color: white;
    font-weight: 500;
}

/* ============================================
   TECHNOLOGIES SECTION
   ============================================ */
.technologies {
    background: var(--bg-secondary);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    max-width: var(--container-max-width);
    margin: 0 auto;
}

.tech-card {
    background: white;
    border-radius: var(--radius-md);
    padding: 24px 20px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    cursor: pointer;
    border: 1px solid var(--border);
}

.tech-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: #0f172a;
}

.tech-card img,
.tech-card i {
    width: 67px;
    height: 67px;
    font-size: 67px;
    line-height: 67px;
    margin: 0 auto 16px;
    display: block;
}

.tech-card i {
    color: inherit;
}

.tech-card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.tech-card-hidden {
    display: none;
}

.tech-card-hidden.show {
    display: block;
    animation: fadeIn 0.3s ease-in;
}

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

.tech-show-more {
    text-align: center;
    margin-top: 40px;
}

.tech-show-more .btn {
    min-width: 200px;
}

.tech-show-more .btn i {
    transition: transform var(--transition-normal);
    font-size: 0.9rem;
}

.tech-show-more .btn.expanded i {
    transform: rotate(180deg);
}

/* ============================================
   TEAM SECTION
   ============================================ */
.team-section {
    background: var(--bg-primary);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
    max-width: var(--container-max-width);
    margin: 0 auto;
}

.team-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 32px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    border: 1px solid var(--border);
}

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

.team-photo-container {
    width: 120px;
    height: 120px;
    margin: 0 auto 20px;
    position: relative;
}

.team-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-full);
    border: 4px solid var(--bg-secondary);
    box-shadow: var(--shadow-md);
}

.team-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.team-role {
    color: var(--primary);
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 12px;
}

.team-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 20px;
}

.team-social {
    display: flex;
    gap: 12px;
    justify-content: center;
}

.team-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-size: 1.1rem;
    transition: all var(--transition-fast);
}

.team-social a:hover {
    background: var(--primary);
    color: white;
    transform: scale(1.1);
}

/* ============================================
   PRICING MODAL
   ============================================ */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    padding: 20px;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: white;
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 1000px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    transform: scale(0.9) translateY(20px);
    transition: transform var(--transition-normal);
}

.modal-overlay.active .modal-content {
    transform: scale(1) translateY(0);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 32px;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    background: white;
    z-index: 10;
}

.modal-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.close-modal {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border-radius: var(--radius-full);
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.close-modal:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    transform: rotate(90deg);
}

.modal-body {
    padding: 32px;
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.pricing-card {
    background: white;
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    position: relative;
    transition: all var(--transition-normal);
}

.pricing-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.pricing-card.popular {
    border-color: var(--primary);
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
}

.pricing-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.pricing-card .price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
    margin-bottom: 8px;
}

.pricing-card .currency {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.pricing-card .amount {
    font-size: 3rem;
    font-weight: 800;
    color: var(--text-primary);
}

.pricing-card .period {
    font-size: 1rem;
    color: var(--text-secondary);
}

.price-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 24px;
}

.pricing-card ul {
    text-align: left;
    margin-bottom: 24px;
}

.pricing-card li {
    padding: 8px 0;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.pricing-card li::before {
    content: '✓';
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background: var(--secondary);
    color: white;
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: bold;
    flex-shrink: 0;
}

.pricing-card .btn {
    width: 100%;
}

/* ============================================
   PRODUCT MODAL
   ============================================ */
.product-modal-content {
    max-width: 800px;
}

.products-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.product-card {
    display: flex;
    align-items: center;
    gap: 32px;
    background: white;
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.product-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.product-image-wrapper {
    flex-shrink: 0;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: 4px solid #dc2626;
    padding: 4px;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    transition: all var(--transition-normal);
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.15);
}

.product-card:hover .product-image-wrapper {
    border-color: #b91c1c;
    box-shadow: 0 6px 20px rgba(220, 38, 38, 0.25);
    transform: scale(1.05);
}

.product-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    transition: transform var(--transition-slow);
}

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

.product-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.product-name {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    line-height: 1.2;
}

.product-description {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.product-visit-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    background: #dc2626;
    color: white;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: all var(--transition-normal);
    width: fit-content;
    margin-top: 4px;
    box-shadow: 0 2px 8px rgba(220, 38, 38, 0.2);
}

.product-visit-btn:hover {
    background: #b91c1c;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.3);
}

.product-visit-btn i {
    font-size: 0.85rem;
    transition: transform var(--transition-fast);
}

.product-visit-btn:hover i {
    transform: translateX(2px) translateY(-2px);
}

/* Responsive design for product cards */
@media (max-width: 768px) {
    .product-card {
        flex-direction: column;
        text-align: center;
        gap: 24px;
        padding: 17px;
    }

    .product-image-wrapper {
        width: 100px;
        height: 100px;
    }

    .product-content {
        align-items: center;
    }

    .product-visit-btn {
        width: 100%;
    }
}

/* ============================================
   FOOTER
   ============================================ */
footer {
    background: var(--text-primary);
    color: white;
    padding: 60px 20px 24px;
}

.footer-content {
    max-width: var(--container-max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-logo img {
    height: 40px;
}

.footer-about p {
    color: var(--text-muted);
    line-height: 1.7;
    font-size: 0.95rem;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: white;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: var(--text-muted);
    transition: all var(--transition-fast);
}

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

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

.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-muted);
}

.contact-item i {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    font-size: 1.2rem;
}

.contact-item a {
    transition: color var(--transition-fast);
}

.contact-item a:hover {
    color: var(--primary-light);
}

.footer-bottom {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-bottom p {
    margin: 0;
    display: inline;
}

.footer-bottom p:not(:last-child)::after {
    content: ' ';
}

.footer-copyright-year,
.footer-company,
.footer-rights {
    display: inline;
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 968px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: calc(var(--header-height) + 40px);
    }

    .hero-content {
        padding: 40px 20px;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-image {
        min-height: 300px;
    }

    .float-element {
        width: 88px;
        height: 88px;
        font-size: 2.4rem;
    }

    .float-element i.devicon {
        font-size: 2.8rem;
    }
}

@media (max-width: 1024px) {
    .tech-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }

    .ai-models-grid {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: white;
        flex-direction: column;
        padding: 100px 32px 32px;
        gap: 8px;
        box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
        transition: right var(--transition-normal);
    }

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

    .nav-link {
        padding: 14px 20px;
        width: 100%;
        border-radius: var(--radius-md);
    }

    section {
        padding: 60px 20px;
    }

    /* Hero mobile adjustments */
    .hero {
        min-height: 50vh;
        padding-top: calc(var(--header-height) + 20px);
    }

    .hero-content {
        padding: 20px;
    }

    .hero-image {
        min-height: 200px;
    }

    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    /* Hide technologies beyond first 2 on mobile */
    .tech-card:nth-child(n+3):not(.tech-card-hidden):not(.show-mobile) {
        display: none;
    }

    .tech-card-hidden.show,
    .tech-card.show-mobile {
        display: block;
    }

    /* AI Technology Section Responsive */
    .ai-technology {
        padding: 40px 20px;
    }

    .ai-content {
        gap: 32px;
    }

    .ai-subtitle {
        font-size: 1.25rem;
    }

    .ai-usecases-header {
        flex-direction: column;
        align-items: stretch;
    }

    .ai-models-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .ai-model-card {
        min-height: 140px;
        display: flex;
        flex-direction: column;
        justify-content: center;
        padding: 17px 14px;
    }

    .usecases-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .usecase-card {
        padding: 17px;
    }

    .service-item {
        padding: 11px 14px;
    }

    .services-list {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .tech-card {
        padding: 17px 11px;
    }

    .tech-card img,
    .tech-card i {
        width: 56px;
        height: 56px;
        font-size: 56px;
        line-height: 56px;
        margin: 0 auto 16px;
    }

    .tech-card h3 {
        font-size: 1rem;
    }

    .tech-show-more {
        margin-top: 32px;
    }

    .tech-show-more .btn {
        width: 100%;
        min-width: auto;
    }

    .modal-content {
        max-height: 95vh;
    }

    .modal-header,
    .modal-body {
        padding: 20px;
    }

    .pricing-cards {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 4px;
        min-height: 100px;
    }

    .footer-bottom p {
        display: block;
        margin: 0;
    }

    .footer-bottom p:not(:last-child)::after {
        content: '';
    }

    .footer-copyright-year,
    .footer-company,
    .footer-rights {
        display: block;
        text-align: center;
    }

    /* Product modal responsive */
    .products-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .btn {
        width: 100%;
        padding: 12px 20px;
    }

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

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

    .float-element {
        width: 72px;
        height: 72px;
        font-size: 1.92rem;
    }

    .float-element i.devicon {
        font-size: 2.4rem;
    }
}

/* Hide pricing section */
.nav-link[onclick*="openPricingModal"],
button[onclick*="openPricingModal"],
a[onclick*="openPricingModal"],
#pricingModal {
    display: none !important;
}