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

:root {
    --primary-color: #0ea5e9;
    --primary-dark: #0284c7;
    --secondary-color: #0369a1;
    --accent-color: #06b6d4;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --bg-light: #f8fafc;
    --bg-white: #FFFFFF;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    font-weight: 400;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.logo:hover {
    opacity: 0.8;
}

.logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.logo-text {
    color: var(--primary-color);
    font-weight: 700;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 1.5rem;
    align-items: center;
    flex-wrap: wrap;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
    font-size: 0.95rem;
    white-space: nowrap;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

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

/* Dropdown Menu */
.nav-item-dropdown {
    position: relative;
}

.dropdown-toggle {
    cursor: pointer;
}

.dropdown-toggle::after {
    content: '▼';
    font-size: 0.7rem;
    margin-left: 0.5rem;
    display: inline-block;
    transition: transform 0.3s ease;
}

.nav-item-dropdown:hover .dropdown-toggle::after {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    border-radius: 12px;
    padding: 0.5rem 0;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    list-style: none;
    margin: 0.5rem 0 0 0;
}

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

.dropdown-menu li {
    margin: 0;
}

.dropdown-menu a {
    display: block;
    padding: 0.75rem 1.5rem;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.dropdown-menu a:hover {
    background: rgba(14, 165, 233, 0.1);
    color: var(--primary-color);
    padding-left: 1.75rem;
}

.dropdown-menu a::after {
    display: none;
}

/* Nav Actions */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-demo-btn {
    padding: 0.625rem 1.5rem;
    background: linear-gradient(135deg, #0ea5e9, #0284c7);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.nav-demo-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(14, 165, 233, 0.3);
    background: linear-gradient(135deg, #0284c7, #0369a1);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #e0f2fe 0%, #bae6fd 50%, #7dd3fc 100%);
    color: #0f172a;
    padding: 6rem 0;
    position: relative;
    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"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(14,165,233,0.1)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.4;
}

.hero .container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    animation: fadeInUp 0.8s ease;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: #0f172a;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    color: #475569;
    line-height: 1.8;
    font-weight: 400;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: linear-gradient(135deg, #0ea5e9 0%, #0284c7 100%);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(14, 165, 233, 0.3);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(14, 165, 233, 0.4);
    background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
}

.hero-image {
    position: relative;
    height: 500px;
    min-height: 500px;
}

.hero-graphic {
    position: relative;
    width: 100%;
    height: 100%;
}

.floating-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(15px);
    border-radius: 24px;
    padding: 1.75rem 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.4);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    animation: float 6s ease-in-out infinite;
    color: #0f172a;
    width: 150px;
    text-align: center;
}

.card-1 {
    top: 10%;
    left: 8%;
    animation-delay: 0s;
}

.card-2 {
    top: 10%;
    right: 8%;
    animation-delay: 1.5s;
}

.card-3 {
    bottom: 10%;
    left: 8%;
    animation-delay: 3s;
}

.card-4 {
    bottom: 10%;
    right: 8%;
    animation-delay: 4.5s;
}

.card-icon {
    font-size: 3.5rem;
    margin-bottom: 0.5rem;
    line-height: 1;
    display: block;
}

.card-text {
    font-weight: 600;
    font-size: 1rem;
    margin-top: 0.25rem;
    white-space: nowrap;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) translateX(0px); }
    50% { transform: translateY(-15px) translateX(5px); }
}

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

/* Section Styles */
section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    font-weight: 400;
}

/* Calculator Section */
.calculator-section {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 50%, #f8fafc 100%);
    padding: 5rem 0;
}

.calculator-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
}

.calculator-form {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

.form-group {
    margin-bottom: 2rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.75rem;
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.form-control {
    width: 100%;
    padding: 0.875rem 1.25rem;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--bg-white);
    color: var(--text-primary);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-hint {
    display: block;
    margin-top: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 400;
}

.quantity-selector {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.qty-btn {
    width: 45px;
    height: 45px;
    border: 2px solid var(--border-color);
    background: var(--bg-white);
    border-radius: 12px;
    font-size: 1.25rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--text-primary);
}

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

.qty-input {
    flex: 1;
    padding: 0.875rem;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    text-align: center;
    font-size: 1.125rem;
    font-weight: 600;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    font-weight: 500;
    color: var(--text-primary);
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--primary-color);
}

/* Result Card */
.calculator-result {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.result-card {
    background: linear-gradient(135deg, #0ea5e9, #0284c7);
    color: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 12px 24px rgba(14, 165, 233, 0.2);
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.result-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.result-icon {
    font-size: 2rem;
}

.price-breakdown {
    margin-bottom: 2rem;
}

.breakdown-item {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.breakdown-item:last-child {
    border-bottom: none;
}

.breakdown-label {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

.breakdown-value {
    font-weight: 600;
    font-size: 1.05rem;
}

.breakdown-item.discount {
    color: #10B981;
}

.total-price {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
    margin-top: 1.5rem;
    border-top: 2px solid rgba(255, 255, 255, 0.3);
}

.total-label {
    font-size: 1.25rem;
    font-weight: 600;
}

.total-value {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.submit-button {
    width: 100%;
    padding: 1rem;
    background: white;
    color: var(--primary-color);
    border: none;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 1.5rem;
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* Carousel Section */
.carousel-section {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 50%, #f0f9ff 100%);
    padding: 0;
    position: relative;
    overflow: hidden;
}

.carousel-container {
    position: relative;
    width: 100%;
    height: 400px;
    overflow: hidden;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(240, 249, 255, 0.98) 0%, rgba(224, 242, 254, 0.98) 50%, rgba(240, 249, 255, 0.98) 100%);
}

.carousel-slide.active {
    opacity: 1;
    z-index: 1;
}

.carousel-content {
    text-align: center;
    color: #0f172a;
    padding: 2rem;
    max-width: 800px;
}

.carousel-content h2 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #0f172a;
    letter-spacing: -0.02em;
}

.carousel-content p {
    font-size: 1.5rem;
    color: #475569;
    line-height: 1.8;
    font-weight: 400;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(14, 165, 233, 0.2);
    color: #0ea5e9;
    font-size: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.carousel-btn:hover {
    background: white;
    color: #0284c7;
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.carousel-prev {
    left: 20px;
}

.carousel-next {
    right: 20px;
}

.carousel-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(14, 165, 233, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background: #0ea5e9;
    transform: scale(1.2);
}

/* Equipment Section */
.equipment-section {
    background: #ffffff;
    padding: 5rem 0;
}

.equipment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.equipment-card {
    background: var(--bg-white);
    border-radius: 24px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid #e2e8f0;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.equipment-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #0ea5e9, #0284c7);
    transform: scaleX(0);
    transition: transform 0.4s ease;
    z-index: 2;
}

.equipment-card:hover::before {
    transform: scaleX(1);
}

.equipment-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
    border-color: #0ea5e9;
}

.equipment-image-container {
    width: 100%;
    height: 280px;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
    border-bottom: 1px solid #e2e8f0;
}

.equipment-image-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        repeating-linear-gradient(45deg, transparent, transparent 10px, rgba(226, 232, 240, 0.3) 10px, rgba(226, 232, 240, 0.3) 20px),
        repeating-linear-gradient(-45deg, transparent, transparent 10px, rgba(226, 232, 240, 0.3) 10px, rgba(226, 232, 240, 0.3) 20px);
    opacity: 0.5;
    z-index: 0;
}

.equipment-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 2rem;
    transition: transform 0.4s ease;
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.15));
    position: relative;
    z-index: 1;
}

.equipment-card:hover .equipment-image {
    transform: scale(1.1);
}

.equipment-image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.1), rgba(124, 58, 237, 0.1));
}

.equipment-icon {
    font-size: 4rem;
}

.equipment-content {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    gap: 1rem;
}

.equipment-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.5;
    margin: 0;
    letter-spacing: -0.01em;
}

.equipment-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    flex-grow: 1;
    margin: 0;
    font-weight: 400;
}

.equipment-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: #0ea5e9;
    padding: 1rem;
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.08), rgba(2, 132, 199, 0.08));
    border-radius: 12px;
    text-align: center;
    margin: 0;
}

.equipment-select-btn {
    width: 100%;
    padding: 0.875rem 1.5rem;
    background: linear-gradient(135deg, #0ea5e9, #0284c7);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: auto;
}

.equipment-select-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(14, 165, 233, 0.3);
    background: linear-gradient(135deg, #0284c7, #0369a1);
}

.equipment-select-btn:active {
    transform: translateY(0);
}

/* Contact Section */
.contact-section {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 50%, #f0f9ff 100%);
}

.contact-content {
    max-width: 800px;
    margin: 0 auto;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.contact-item-full {
    grid-column: 1 / -1;
}

.contact-item {
    display: flex;
    gap: 1.5rem;
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
}

.contact-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

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

/* Footer */
.footer {
    background: var(--text-primary);
    color: white;
    padding: 3rem 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.25rem;
    font-weight: 700;
}

.footer-logo-img {
    height: 32px;
    width: auto;
    object-fit: contain;
}

.footer p {
    color: rgba(255, 255, 255, 0.7);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-image {
        height: 450px;
        min-height: 450px;
    }
    
    .floating-card {
        width: 130px;
        padding: 1.5rem 1.25rem;
    }
    
    .card-icon {
        font-size: 3rem;
    }
    
    .card-text {
        font-size: 0.9rem;
    }
}

@media (max-width: 768px) {
    .nav-content {
        flex-wrap: wrap;
    }
    
    .nav-links {
        gap: 1rem;
        font-size: 0.9rem;
        width: 100%;
        order: 3;
        margin-top: 1rem;
        flex-direction: column;
        align-items: flex-start;
    }
    
    .nav-actions {
        order: 2;
        margin-left: auto;
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        padding-left: 1rem;
        margin-top: 0.5rem;
    }
    
    .nav-item-dropdown:hover .dropdown-menu {
        transform: none;
    }

    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-image {
        height: 400px;
        min-height: 400px;
    }
    
    .floating-card {
        width: 120px;
        padding: 1.25rem 1rem;
    }
    
    .card-icon {
        font-size: 2.5rem;
    }
    
    .card-text {
        font-size: 0.85rem;
    }
    
    .card-1, .card-2 {
        top: 5%;
    }
    
    .card-3, .card-4 {
        bottom: 5%;
    }

    .carousel-content h2 {
        font-size: 2rem;
    }

    .carousel-content p {
        font-size: 1.25rem;
    }

    .carousel-container {
        height: 300px;
    }

    .calculator-container {
        grid-template-columns: 1fr;
    }

    .calculator-result {
        position: static;
    }

    .equipment-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .equipment-image-container {
        height: 200px;
    }

    .contact-info {
        grid-template-columns: 1fr;
    }
    
    .contact-item-full {
        grid-column: 1;
    }

    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 4rem 0;
    }

    .hero-title {
        font-size: 2rem;
    }

    .carousel-content h2 {
        font-size: 1.5rem;
    }

    .carousel-content p {
        font-size: 1rem;
    }

    .carousel-container {
        height: 250px;
    }

    .carousel-btn {
        width: 40px;
        height: 40px;
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .calculator-form {
        padding: 1.5rem;
    }

    .result-card {
        padding: 1.5rem;
    }

    .equipment-card {
        padding: 2rem;
    }
}