/* Modern Tech Theme Variables */
:root {
    /* Primary Colors - Tech Blue Theme */
    --primary: #3b82f6;
    --primary-dark: #1e3a8a;
    --primary-light: #60a5fa;
    --primary-bg: #f9fafb;
    --primary-text: #1f2937;

    /* Accent Colors */
    --accent-1: #6366f1;
    --accent-2: #8b5cf6;
    --accent-3: #ec4899;

    /* Neutral Colors */
    --neutral-100: #f8fafc;
    --neutral-200: #e2e8f0;
    --neutral-300: #cbd5e1;
    --neutral-400: #94a3b8;
    --neutral-500: #64748b;
    --neutral-600: #475569;
    --neutral-700: #334155;
    --neutral-800: #1e293b;
    --neutral-900: #0f172a;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    --gradient-primary-light: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent-1) 0%, var(--accent-2) 100%);
    --gradient-tech: linear-gradient(135deg, rgba(26, 42, 108, 0.7), rgba(31, 31, 178, 0.7), rgba(121, 45, 253, 0.85));

    /* 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), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}
.performance-bar {
    height: 24px;
    border-radius: 12px;
    position: relative;
    overflow: hidden;
}
.performance-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, 
        rgba(255,255,255,0.1) 0%, 
        rgba(255,255,255,0.3) 50%, 
        rgba(255,255,255,0.1) 100%);
    animation: shimmer 2s infinite;
}
/* Base Styles */
body {
    font-family: 'Noto Sans SC', sans-serif;
    scroll-behavior: smooth;
    background-color: var(--primary-bg);
    color: var(--primary-text);
    line-height: 1.6;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

/* Layout */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.section {
    padding: 100px 0;
    position: relative;
}

/* Navigation */
.nav-link {
    position: relative;
    padding: 0.5rem 1rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    letter-spacing: 0.5px;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    height: 100%;
}

.nav-link:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50% !important;
    width: 0;
    height: 2px;
    background: var(--gradient-accent);
    transform: translateX(-50%);
    transition: width var(--transition-normal);
    border-radius: 2px;
    box-shadow: 0 0 8px rgba(99, 102, 241, 0.5);
}

.nav-link:hover {
    color: #ffffff;
    transform: translateY(-1px);
}

.nav-link:hover:after {
    width: calc(100% - 2rem);
}

.nav-link.active {
    color: #ffffff;
    font-weight: 600;
}

.nav-link.active:after {
    width: calc(100% - 2rem);
    background: var(--gradient-accent);
    box-shadow: 0 0 12px rgba(99, 102, 241, 0.6);
}

/* Header Styles */
header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

header nav {
    display: flex;
    align-items: center;
    height: 100%;
}

header nav a {
    height: 100%;
    display: flex;
    align-items: center;
}

/* Mobile Menu Button */
#mobile-menu-button {
    padding: 0.5rem;
    border-radius: 0.5rem;
    transition: all var(--transition-normal);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

#mobile-menu-button:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
}

#mobile-menu-button:active {
    transform: translateY(1px);
}

/* Mobile Menu */
#mobile-menu {
    background: rgba(30, 64, 175, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    transform-origin: top;
    transition: all var(--transition-normal);
}

#mobile-menu a {
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    transition: all var(--transition-normal);
}

#mobile-menu a:hover {
    background: rgba(255, 255, 255, 0.1);
    padding-left: 1.5rem;
}


/* Logo Area */
.logo-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    padding: 0.5rem;
    border-radius: 0.5rem;
    transition: all var(--transition-normal);
}

.logo-container:hover {
    background: rgba(255, 255, 255, 0.1);
}

.logo-container .logo-image {
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-container img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform var(--transition-normal);
}

.logo-container:hover img {
    transform: scale(1.05);
}

.logo-container h1 {
    font-size: 1.25rem;
    font-weight: 600;
    background: linear-gradient(to right, #ffffff, rgba(255, 255, 255, 0.8));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    transition: all var(--transition-normal);
    white-space: nowrap;
}

.logo-container:hover h1 {
    background: linear-gradient(to right, #ffffff, var(--accent-1));
    -webkit-background-clip: text;
    background-clip: text;
}

/* Hero Section */
.hero {
    background: var(--gradient-tech), url('../images/banner.webp');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    padding: 180px 0 100px;
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, #ffffff, #e2e8f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    animation: fadeInUp 1s ease 0.2s;
}

/* Tabs */
.tab-btn {
    border: none;
    background: none;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.tab-btn.active {
    position: relative;
}

.tab-btn.active span {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
    border: 2px solid white;
}

.tab-btn:not(.active) span {
    background: white;
    color: var(--primary);
    box-shadow: var(--shadow-md);
    border: 2px solid var(--neutral-200);
}

.tab-btn:not(.active):hover span {
    background: var(--neutral-100);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    transition: var(--transition-normal);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.5s ease;
}
.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

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

.btn-outline {
    border: 2px solid white;
    color: white;
}

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

/* Hardware Section */
.hardware-section-container {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 30px;
    margin-top: 50px;
}

.hardware-content {
    display: none;
}

.hardware-content.active {
    display: flex;
    flex-direction: column;
}

.hardware-header {
    padding: 30px 40px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.hardware-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 10px;
}

.hardware-price {
    font-size: 5rem;
    font-weight: 100;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hardware-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    padding: 40px;
}

.hardware-image {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    min-height: 400px;
}

.hardware-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.hardware-details {
    display: grid;
    gap: 30px;
}

.hardware-specs,
.hardware-usage {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.hardware-subtitle {
    color: var(--primary);
    font-size: 1.4rem;
    margin-bottom: 25px;
    position: relative;
}

.hardware-subtitle::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 2px;
}

.usage-item {
    margin-bottom: 0.5rem;
    color: var(--neutral-600);
}

.hardware-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--neutral-200);
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-bg);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    opacity: 0;
    transition: var(--transition-normal);
}

.loading-overlay.visible {
    opacity: 1;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--neutral-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
    z-index: 100;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.4);
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .section {
        padding: 60px 0;
    }

    .hero {
        padding: 120px 0 80px;
    }

    .hero-title {
        font-size: 2.5rem;
    }

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

    .container {
        padding: 0 1rem;
    }
    
    .hardware-body {
        grid-template-columns: 1fr;
    }

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

/* Utility Classes */
.gradient-bg {
    background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 100%);
}
.feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
}
.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.cta {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: 20px;
    padding: 60px;
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.2);
}

.cta:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="20" height="20" viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><rect width="1" height="1" fill="rgba(255,255,255,0.05)"/></svg>');
    opacity: 0.1;
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(to right, #ffffff, #e2e8f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.cta p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}


.site-footer {
    padding: 4rem 0 2rem;
    margin-top: 4rem;
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: #ffffff;
    text-decoration: none;
    margin-bottom: 1rem;
    display: inline-block;
    transition: color 0.3s ease;
}

.footer-logo:hover {
    color: var(--primary);
}

.footer-about {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.footer-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #ffffff;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-link {
    margin-bottom: 0.8rem;
}

.footer-link a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.footer-link i {
    font-size: 1rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

@media (max-width: 768px) {
    .footer-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand {
        max-width: 100%;
    }

    .footer-links {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
}

.hardware-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.service-card {
    transition: all 0.3s ease;
    border-left: 4px solid transparent;
}

.service-card:hover {
    border-left-color: #3b82f6;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.highlight-box {
    position: relative;
    overflow: hidden;
}

.highlight-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: #3b82f6;
}

.price-tag {
    position: relative;
    overflow: hidden;
}

.price-tag::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 0;
    height: 0;
    border-left: 20px solid transparent;
    border-top: 20px solid #3b82f6;
}

.staggered-animation > * {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.5s forwards;
}

.staggered-animation > *:nth-child(1) { animation-delay: 0.1s; }
.staggered-animation > *:nth-child(2) { animation-delay: 0.2s; }
.staggered-animation > *:nth-child(3) { animation-delay: 0.3s; }
.staggered-animation > *:nth-child(4) { animation-delay: 0.4s; }
.staggered-animation > *:nth-child(5) { animation-delay: 0.5s; }
.staggered-animation > *:nth-child(6) { animation-delay: 0.6s; }
.staggered-animation > *:nth-child(7) { animation-delay: 0.7s; }
.staggered-animation > *:nth-child(8) { animation-delay: 0.8s; }
.staggered-animation > *:nth-child(9) { animation-delay: 0.9s; }
.staggered-animation > *:nth-child(10) { animation-delay: 1s; }

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

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background-color: #3b82f6;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: #2563eb;
    transform: translateY(-3px);
}

/* Card Hover Effects */
.card-hover {
    transition: all 0.3s ease;
}

.card-hover:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* Mobile Menu */
@media (max-width: 768px) {
    .mobile-menu {
        transition: all 0.3s ease;
    }
    
    .mobile-menu.hidden {
        display: none;
    }
}