/**
 * icoox Website Modern Styles
 * Bright, clean, responsive design
 */

/* CSS Variables */
:root {
    --primary-color: #3b82f6;
    --primary-dark: #2563eb;
    --primary-light: #60a5fa;
    --secondary-color: #10b981;
    --text-dark: #1f2937;
    --text-gray: #6b7280;
    --text-light: #9ca3af;
    --bg-white: #ffffff;
    --bg-gray: #f9fafb;
    --bg-light: #f3f4f6;
    --border-color: #e5e7eb;
    --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);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

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

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

ul {
    list-style: none;
}

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

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

/* Header */
.header {
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 20px;
}

.logo img {
    height: 50px;
    width: auto;
}

.nav-list {
    display: flex;
    gap: 40px;
}

.nav-link {
    color: var(--text-dark);
    font-weight: 500;
    padding: 10px 0;
    position: relative;
    transition: var(--transition);
}

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

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

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 10px;
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 2px;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    position: relative;
    height: 650px;
    overflow: hidden;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.slider {
    position: relative;
    width: 100%;
    height: 100%;
}

.slider-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.6s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.slide.active {
    opacity: 1;
}

.slide img {
    max-width: 85%;
    max-height: 85%;
    width: auto;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.15));
    animation: slide-image-float 6s ease-in-out infinite;
}

@keyframes slide-image-float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    transition: var(--transition);
    z-index: 10;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

.slider-btn:hover {
    background: linear-gradient(135deg, var(--primary-dark), #1e40af);
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.5);
}

.slider-btn.prev {
    left: 30px;
}

.slider-btn.next {
    right: 30px;
}

.slider-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.slider-dots span {
    display: block;
    width: 40px;
    height: 4px;
    border-radius: 2px;
    background: rgba(0, 0, 0, 0.2);
    cursor: pointer;
    transition: var(--transition);
}

.slider-dots span:hover {
    background: rgba(59, 130, 246, 0.5);
}

.slider-dots span.active {
    background: linear-gradient(90deg, var(--primary-color), var(--primary-dark));
    width: 50px;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.4);
}

/* Section Styles */
section {
    padding: 80px 0;
}

section:nth-child(even) {
    background: var(--bg-gray);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-gray);
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 50px;
    align-items: start;
}

.about-image {
    position: sticky;
    top: 100px;
}

.about-image img {
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
    width: 100%;
    height: auto;
    object-fit: cover;
}

.about-text p {
    margin-bottom: 20px;
    color: var(--text-gray);
    font-size: 16px;
    line-height: 1.8;
}

.about-text strong {
    color: var(--text-dark);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin: 40px 0;
}

.feature-item {
    text-align: center;
    padding: 30px;
    background: var(--bg-white);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

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

.feature-icon {
    font-size: 40px;
    margin-bottom: 15px;
}

.feature-item h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.feature-item p {
    color: var(--text-gray);
    font-size: 14px;
}

/* Products Section */
.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.product-card {
    background: var(--bg-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

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

.product-image {
    height: 200px;
    overflow: hidden;
    background: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.product-image img {
    max-height: 100%;
    object-fit: contain;
}

.product-info {
    padding: 20px;
    text-align: center;
}

.product-name {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.product-desc {
    color: var(--text-gray);
    font-size: 14px;
    margin-bottom: 15px;
}

.product-detail-btn {
    background: var(--primary-color);
    color: white;
    padding: 10px 20px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}

.product-detail-btn:hover {
    background: var(--primary-dark);
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.contact-card {
    background: var(--bg-white);
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
}

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

.contact-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.contact-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.contact-name {
    font-weight: 500;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.contact-detail {
    color: var(--text-gray);
    font-size: 14px;
    margin-bottom: 5px;
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 60px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 10px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

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

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
}

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

/* Consultation Float Button */
.consultation-float {
    position: fixed;
    right: 30px;
    top: 50%;
    transform: translateY(-50%);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    padding: 20px 15px;
    border-radius: 50px;
    box-shadow: var(--shadow-xl);
    cursor: pointer;
    z-index: 999;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
    animation: float-pulse 2s ease-in-out infinite;
}

.consultation-float:hover {
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 25px 35px -5px rgba(59, 130, 246, 0.4);
}

@keyframes float-pulse {
    0%, 100% {
        box-shadow: var(--shadow-xl);
    }
    50% {
        box-shadow: 0 25px 35px -5px rgba(59, 130, 246, 0.3);
    }
}

.float-icon {
    font-size: 28px;
}

.float-text {
    font-size: 12px;
    font-weight: 500;
    writing-mode: vertical-rl;
    text-orientation: mixed;
}

/* Modal */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-overlay.active {
    display: flex;
}

.modal-container {
    background: var(--bg-white);
    border-radius: 16px;
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: modal-slide-in 0.3s ease;
}

.modal-container.modal-large {
    max-width: 900px;
}

@keyframes modal-slide-in {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(-20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 25px 30px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    font-size: 22px;
    font-weight: 600;
    color: var(--text-dark);
}

.modal-close {
    font-size: 32px;
    color: var(--text-gray);
    transition: var(--transition);
    line-height: 1;
}

.modal-close:hover {
    color: var(--text-dark);
}

.modal-body {
    padding: 30px;
}

/* Form Styles */
.form-group {
    margin-bottom: 25px;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 15px;
    font-family: inherit;
    transition: var(--transition);
    background: var(--bg-gray);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: var(--bg-white);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-actions {
    display: flex;
    gap: 15px;
    justify-content: flex-end;
    margin-top: 30px;
}

.btn {
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 500;
    transition: var(--transition);
}

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

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

.btn-secondary {
    background: var(--bg-gray);
    color: var(--text-dark);
}

.btn-secondary:hover {
    background: var(--bg-light);
}

/* Product Detail Modal */
.product-images {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.product-images img {
    width: 100%;
    border-radius: 8px;
    box-shadow: var(--shadow-md);
}

/* Success Message */
.success-message {
    text-align: center;
    padding: 40px;
}

.success-icon {
    font-size: 64px;
    margin-bottom: 20px;
}

.success-message h3 {
    font-size: 24px;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.success-message p {
    color: var(--text-gray);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }

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

    .about-content {
        grid-template-columns: 320px 1fr;
        gap: 40px;
    }

    .about-image {
        position: static;
    }
}

@media (max-width: 768px) {
    .nav-list {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    /* Hero & Slider */
    .hero {
        height: 450px;
    }

    .slide {
        padding: 20px;
    }

    .slide img {
        max-width: 90%;
        max-height: 90%;
    }

    .slider-btn {
        width: 44px;
        height: 44px;
        font-size: 18px;
    }

    .slider-btn.prev {
        left: 15px;
    }

    .slider-btn.next {
        right: 15px;
    }

    .slider-dots {
        bottom: 20px;
        gap: 8px;
    }

    .slider-dots span {
        width: 30px;
        height: 3px;
    }

    .slider-dots span.active {
        width: 40px;
    }

    /* Products */
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    /* About Section */
    .about-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .about-image {
        order: -1;
        max-width: 400px;
        margin: 0 auto;
    }

    .about-image img {
        max-width: 100%;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .section-title {
        font-size: 28px;
    }

    /* Consultation Float */
    .consultation-float {
        right: 15px;
        padding: 15px 12px;
    }

    .float-icon {
        font-size: 24px;
    }

    .float-text {
        font-size: 11px;
    }

    /* Modal */
    .modal-container {
        margin: 10px;
    }

    .form-actions {
        flex-direction: column-reverse;
    }

    .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .hero {
        height: 350px;
    }

    .slide {
        padding: 15px;
    }

    .slide img {
        max-width: 95%;
        max-height: 95%;
        animation: none;
    }

    .slider-btn {
        width: 38px;
        height: 38px;
        font-size: 16px;
    }

    .slider-btn.prev {
        left: 10px;
    }

    .slider-btn.next {
        right: 10px;
    }

    .slider-dots {
        bottom: 15px;
    }

    .slider-dots span {
        width: 24px;
        height: 3px;
    }

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

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

    .section-title {
        font-size: 24px;
    }

    .section-subtitle {
        font-size: 16px;
    }
}