:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary-color: #0ea5e9;
    --accent-color: #06b6d4;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-dark: #0f172a;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-glow: 0 0 40px rgba(37, 99, 235, 0.15);
    --gradient-primary: linear-gradient(135deg, #2563eb 0%, #0ea5e9 100%);
    --gradient-secondary: linear-gradient(135deg, #06b6d4 0%, #10b981 100%);
    --gradient-dark: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;
}

* {
    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-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

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

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(37, 99, 235, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px 0 rgba(37, 99, 235, 0.5);
}

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

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px 0 rgba(37, 99, 235, 0.3);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    color: var(--text-light);
    font-size: 1.25rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.scroll-indicator:hover {
    color: var(--primary-color);
    transform: translateX(-50%) translateY(4px);
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--radius-lg);
    color: white;
    font-size: 1.125rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-lg);
    z-index: 100;
}

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

.back-to-top:hover {
    transform: translateY(-4px) scale(1.1);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
    background: rgba(255, 255, 255, 0.98);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    transition: transform var(--transition-fast);
}

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

.logo-icon {
    font-size: 1.75rem;
    animation: logoPulse 3s ease-in-out infinite;
}

@keyframes logoPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    position: relative;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 0.5rem 0;
    transition: all var(--transition-fast);
}

.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(--gradient-primary);
    transition: width var(--transition-normal);
    border-radius: 2px;
}

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

.lang-switch {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem 0.75rem;
    background: var(--bg-tertiary);
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.lang-switch:hover {
    background: var(--bg-secondary);
    color: var(--primary-color);
    transform: translateY(-1px);
}

.nav-btn {
    position: relative;
    overflow: hidden;
}

.nav-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s;
}

.nav-btn:hover::before {
    left: 100%;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
}

.logo-icon {
    font-size: 1.75rem;
}

.logo-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    position: relative;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 0.5rem 0;
    transition: color var(--transition-fast);
}

.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(--gradient-primary);
    transition: width var(--transition-normal);
}

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

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

.lang-switch {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem 0.75rem;
    background: var(--bg-tertiary);
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.lang-switch:hover {
    background: var(--bg-secondary);
    color: var(--primary-color);
}

.mobile-menu-btn {
    display: none;
    padding: 0.5rem;
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--text-primary);
    cursor: pointer;
}

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

.nav-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    cursor: pointer;
}

.nav-dropdown-toggle i {
    font-size: 0.75rem;
    transition: transform var(--transition-fast);
}

.nav-dropdown:hover .nav-dropdown-toggle i,
.nav-dropdown.active .nav-dropdown-toggle i {
    transform: rotate(180deg);
}

.nav-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    min-width: 220px;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: 0.5rem;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 1001;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown.active .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.nav-dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.9375rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

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

.nav-dropdown-item i {
    width: 20px;
    text-align: center;
    font-size: 1rem;
}

.nav-dropdown-item.active {
    background: var(--bg-tertiary);
    color: var(--primary-color);
}

/* Mobile Dropdown Styles */
@media (max-width: 768px) {
    .nav-dropdown {
        width: 100%;
    }

    .nav-dropdown-toggle {
        justify-content: center;
        padding: 1rem 0;
        width: 100%;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-dropdown-menu {
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
        display: none;
        box-shadow: none;
        background: var(--bg-tertiary);
        margin: 0;
        min-width: auto;
        border-radius: var(--radius-md);
        margin-bottom: 0.5rem;
    }

    .nav-dropdown.active .nav-dropdown-menu {
        display: block;
    }

    .nav-dropdown-item {
        justify-content: center;
        border-bottom: 1px solid var(--border-color);
    }

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

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(37, 99, 235, 0.15), transparent),
        radial-gradient(ellipse 60% 40% at 80% 60%, rgba(14, 165, 233, 0.1), transparent),
        radial-gradient(ellipse 50% 30% at 20% 80%, rgba(6, 182, 212, 0.08), transparent);
}

.hero-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero-particles::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(37, 99, 235, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(14, 165, 233, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(6, 182, 212, 0.08) 0%, transparent 40%);
    animation: particleFloat 20s ease-in-out infinite;
}

@keyframes particleFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(2deg); }
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.hero-text {
    max-width: 600px;
    animation: fadeInUp 1s ease-out;
}

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

.hero-title {
    font-size: clamp(2.5rem, 5vw, 3.75rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.7;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2.5rem;
    padding: 1.5rem 2.5rem;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.5);
    animation: fadeInUp 1s ease-out 0.4s both;
    max-width: 450px;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex: 1;
    min-width: 160px;
    padding: 0 0.5rem;
}

.stat-value {
    display: flex;
    align-items: baseline;
    gap: 0.25rem;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.stat-unit {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-top: 0.5rem;
}

.stat-divider {
    width: 1px;
    height: 50px;
    background: linear-gradient(180deg, transparent, var(--border-color), transparent);
    flex-shrink: 0;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.hero-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.hero-text {
    max-width: 600px;
}

.hero-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    white-space: nowrap;
}

.hero-title span {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-3d-container {
    position: relative;
    width: 100%;
    max-width: 500px;
    aspect-ratio: 1;
}

.globe-container {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 280px;
    height: 280px;
}

.globe {
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 50%;
    box-shadow: 
        0 0 80px rgba(37, 99, 235, 0.5),
        0 0 120px rgba(37, 99, 235, 0.3),
        0 0 160px rgba(37, 99, 235, 0.2),
        inset -30px -30px 60px rgba(0, 0, 0, 0.3),
        inset 20px 20px 40px rgba(255, 255, 255, 0.15);
    animation: globePulse 4s ease-in-out infinite;
    position: relative;
    overflow: hidden;
}

.globe::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 50%;
    background: 
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 19px,
            rgba(255, 255, 255, 0.08) 19px,
            rgba(255, 255, 255, 0.08) 20px
        ),
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 19px,
            rgba(255, 255, 255, 0.08) 19px,
            rgba(255, 255, 255, 0.08) 20px
        );
    animation: gridRotate 30s linear infinite;
}

.globe::after {
    content: '';
    position: absolute;
    top: 10%;
    left: 10%;
    right: 10%;
    bottom: 10%;
    border-radius: 50%;
    background: radial-gradient(
        circle at 30% 30%,
        rgba(255, 255, 255, 0.2) 0%,
        rgba(255, 255, 255, 0.05) 30%,
        transparent 60%
    );
    animation: shimmer 6s ease-in-out infinite;
}

.globe-dots {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    overflow: hidden;
}

.globe-dots::before {
    content: '';
    position: absolute;
    top: 20%;
    left: 20%;
    width: 6px;
    height: 6px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    box-shadow: 
        40px 30px 0 rgba(255, 255, 255, 0.6),
        -30px 50px 0 rgba(255, 255, 255, 0.5),
        60px -20px 0 rgba(255, 255, 255, 0.7),
        -50px -30px 0 rgba(255, 255, 255, 0.4),
        80px 40px 0 rgba(255, 255, 255, 0.5),
        -20px 70px 0 rgba(255, 255, 255, 0.6),
        50px -50px 0 rgba(255, 255, 255, 0.4),
        -60px 20px 0 rgba(255, 255, 255, 0.7);
    animation: dotsFloat 8s ease-in-out infinite;
}

@keyframes globePulse {
    0%, 100% { 
        transform: scale(1);
        box-shadow: 
            0 0 80px rgba(37, 99, 235, 0.5),
            0 0 120px rgba(37, 99, 235, 0.3),
            0 0 160px rgba(37, 99, 235, 0.2),
            inset -30px -30px 60px rgba(0, 0, 0, 0.3),
            inset 20px 20px 40px rgba(255, 255, 255, 0.15);
    }
    50% { 
        transform: scale(1.02);
        box-shadow: 
            0 0 100px rgba(37, 99, 235, 0.6),
            0 0 150px rgba(37, 99, 235, 0.4),
            0 0 200px rgba(37, 99, 235, 0.25),
            inset -30px -30px 60px rgba(0, 0, 0, 0.3),
            inset 20px 20px 40px rgba(255, 255, 255, 0.2);
    }
}

@keyframes gridRotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes shimmer {
    0%, 100% { 
        opacity: 0.5;
        transform: translateX(-10px) translateY(-10px);
    }
    50% { 
        opacity: 1;
        transform: translateX(10px) translateY(10px);
    }
}

@keyframes dotsFloat {
    0%, 100% { 
        transform: translateY(0) rotate(0deg);
        opacity: 0.8;
    }
    50% { 
        transform: translateY(-10px) rotate(180deg);
        opacity: 1;
    }
}

.globe-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    border: 2px solid rgba(37, 99, 235, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
}

.ring-1 {
    width: 340px;
    height: 340px;
    animation: ringRotate 15s linear infinite;
}

.ring-2 {
    width: 400px;
    height: 400px;
    animation: ringRotate 20s linear infinite reverse;
}

.ring-3 {
    width: 460px;
    height: 460px;
    animation: ringRotate 25s linear infinite;
}

@keyframes ringRotate {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

.floating-icons {
    position: absolute;
    inset: 0;
}

.float-icon {
    position: absolute;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    font-size: 1.25rem;
    color: var(--primary-color);
    animation: float 6s ease-in-out infinite;
}

.icon-1 { top: 10%; left: 20%; animation-delay: 0s; }
.icon-2 { top: 20%; right: 15%; animation-delay: 1s; }
.icon-3 { bottom: 25%; left: 10%; animation-delay: 2s; }
.icon-4 { bottom: 15%; right: 20%; animation-delay: 3s; }

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

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    color: var(--text-light);
    font-size: 1.25rem;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

.products {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--bg-secondary) 0%, #ffffff 100%);
    position: relative;
}

.products::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: linear-gradient(180deg, rgba(37, 99, 235, 0.03) 0%, transparent 100%);
    pointer-events: none;
}

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

.section-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary-color);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 50px;
    margin-bottom: 1rem;
    position: relative;
    overflow: hidden;
}

.section-tag::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-desc {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 1100px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.product-card {
    position: relative;
    background: var(--bg-primary);
    border-radius: 20px;
    padding: 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06), 0 1px 3px rgba(0, 0, 0, 0.04);
    border: 1px solid var(--border-color);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(37, 99, 235, 0.12), 0 8px 16px rgba(37, 99, 235, 0.08);
    border-color: rgba(37, 99, 235, 0.25);
}

.product-card.featured {
    border: 2px solid var(--primary-color);
    box-shadow: 0 8px 30px rgba(37, 99, 235, 0.15), 0 2px 8px rgba(37, 99, 235, 0.1);
}

.product-card.featured:hover {
    box-shadow: 0 20px 40px rgba(37, 99, 235, 0.2), 0 8px 16px rgba(37, 99, 235, 0.12);
}

.product-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.375rem 0.875rem;
    background: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 50px;
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.4);
    z-index: 100;
    letter-spacing: 0.5px;
}

.product-card-header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    align-items: center;
    gap: 0.875rem;
    padding: 1rem 1.25rem;
    z-index: 10;
    background: linear-gradient(
        180deg,
        rgba(0, 0, 0, 0.6) 0%,
        rgba(0, 0, 0, 0.3) 70%,
        rgba(0, 0, 0, 0) 100%
    );
}

.product-card-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.25) 50%,
        transparent 100%
    );
}

.product-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    font-size: 0.9375rem;
    color: white;
    flex-shrink: 0;
    box-shadow: 
        0 4px 12px rgba(0, 0, 0, 0.35),
        0 0 0 1px rgba(255, 255, 255, 0.15) inset,
        0 1px 0 rgba(255, 255, 255, 0.2) inset;
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover .product-icon {
    transform: scale(1.08);
    box-shadow: 
        0 6px 16px rgba(0, 0, 0, 0.4),
        0 0 0 1px rgba(255, 255, 255, 0.2) inset,
        0 1px 0 rgba(255, 255, 255, 0.25) inset;
}

.product-icon::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    right: 50%;
    bottom: 50%;
    border-radius: 8px 6px 0 0;
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.35) 0%,
        transparent 100%
    );
    pointer-events: none;
}

.gradient-1 { background: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%); }
.gradient-2 { background: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 100%); }
.gradient-3 { background: linear-gradient(135deg, #8b5cf6 0%, #a855f7 100%); }
.gradient-4 { background: linear-gradient(135deg, #10b981 0%, #14b8a6 100%); }

.product-title {
    font-size: 0.9375rem;
    font-weight: 600;
    color: white;
    line-height: 1.3;
    text-shadow: 
        0 1px 2px rgba(0, 0, 0, 0.5),
        0 0 1px rgba(255, 255, 255, 0.1);
    letter-spacing: 0.02em;
    transition: all 0.3s ease;
}

.product-card:hover .product-title {
    text-shadow: 
        0 1px 3px rgba(0, 0, 0, 0.6),
        0 0 1px rgba(255, 255, 255, 0.15);
}

.product-screenshot {
    position: relative;
    height: 200px;
    overflow: hidden;
    border-radius: 20px 20px 0 0;
}

.product-screenshot img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    transition: transform 0.5s ease;
}

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

.product-screenshot::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(0, 0, 0, 0.4) 0%,
        rgba(0, 0, 0, 0.15) 30%,
        rgba(0, 0, 0, 0) 50%
    );
    pointer-events: none;
    z-index: 1;
}

.product-card:hover .product-screenshot::before {
    background: linear-gradient(
        180deg,
        rgba(0, 0, 0, 0.5) 0%,
        rgba(0, 0, 0, 0.2) 35%,
        rgba(0, 0, 0, 0) 55%
    );
}

.product-card-content {
    padding: 1rem 1.5rem 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.product-desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
    flex-grow: 1;
}

.product-features {
    list-style: none;
    margin-bottom: 1.25rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.product-features li {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    padding: 0.375rem 0.75rem;
    background: var(--bg-secondary);
    border-radius: 6px;
    transition: all var(--transition-fast);
}

.product-features li i {
    color: var(--success-color);
    font-size: 0.6875rem;
}

.product-card:hover .product-features li {
    background: rgba(37, 99, 235, 0.08);
    color: var(--primary-color);
}

.product-card-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: auto;
}

.product-card-actions .btn {
    flex: 1;
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
}

.product-card-actions .btn-outline {
    border-width: 1.5px;
}

.product-card .btn {
    margin-top: auto;
    position: relative;
    overflow: hidden;
}

.product-card .btn + .btn {
    margin-top: 0.75rem;
}

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

.section-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary-color);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: 1rem;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.section-desc {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.product-card .btn {
    margin-top: auto;
}

.product-card .btn + .btn {
    margin-top: 0.75rem;
}

.features {
    padding: 100px 0;
    background: var(--bg-secondary);
    position: relative;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse 60% 40% at 10% 20%, rgba(37, 99, 235, 0.03) 0%, transparent 50%),
        radial-gradient(ellipse 50% 30% at 90% 80%, rgba(14, 165, 233, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    position: relative;
    z-index: 1;
}

.feature-item {
    text-align: center;
    padding: 2.5rem 2rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    border: 1px solid transparent;
}

.feature-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: -1;
}

.feature-item:hover {
    background: var(--bg-primary);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
    transform: translateY(-8px);
    border-color: rgba(37, 99, 235, 0.1);
}

.feature-item:hover::before {
    opacity: 0.02;
}

.feature-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    font-size: 2rem;
    color: white;
    margin: 0 auto 1.5rem;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-normal);
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.3);
}

.feature-item:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 15px 40px rgba(37, 99, 235, 0.4);
}

.feature-icon::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.4), transparent);
    transform: rotate(45deg);
    transition: all var(--transition-normal);
}

.feature-item:hover .feature-icon::after {
    animation: iconShine 0.8s ease-out;
}

.feature-item h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    transition: color var(--transition-fast);
}

.feature-item:hover h3 {
    color: var(--primary-color);
}

.feature-item p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.formats {
    padding: 100px 0;
    background: var(--gradient-dark);
    position: relative;
    overflow: hidden;
}

.formats::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse 80% 50% at 50% 0%, rgba(37, 99, 235, 0.2) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 50% 100%, rgba(14, 165, 233, 0.15) 0%, transparent 50%);
    pointer-events: none;
}

.formats .section-header.light .section-tag {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.formats .section-header.light .section-title {
    color: white;
    background: linear-gradient(135deg, #ffffff 0%, #94a3b8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.formats-showcase {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
    position: relative;
    z-index: 1;
}

.format-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    color: white;
    font-size: 0.9375rem;
    font-weight: 500;
    transition: all var(--transition-normal);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.format-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.2);
}

.format-icon {
    font-size: 1.25rem;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

.coordinate-systems {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.coordinate-title {
    text-align: center;
    color: white;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #ffffff 0%, #94a3b8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.coordinate-showcase {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    position: relative;
    z-index: 1;
}

.coordinate-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    color: white;
    font-size: 0.9375rem;
    font-weight: 500;
    transition: all var(--transition-normal);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.coordinate-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.2);
}

.coordinate-icon {
    font-size: 1.25rem;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

.help {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--bg-secondary) 0%, #ffffff 100%);
    position: relative;
}

.help::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 300px;
    background: linear-gradient(180deg, rgba(37, 99, 235, 0.02) 0%, transparent 100%);
    pointer-events: none;
}

.help-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    position: relative;
    z-index: 1;
}

.help-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 2.5rem 1.5rem;
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.help-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.help-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
    border-color: rgba(37, 99, 235, 0.2);
}

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

.help-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    font-size: 1.5rem;
    color: white;
    margin-bottom: 1.5rem;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-normal);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.3);
}

.help-card:hover .help-icon {
    transform: scale(1.1);
    box-shadow: 0 12px 35px rgba(37, 99, 235, 0.4);
}

.help-icon::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.4), transparent);
    transform: rotate(45deg);
    transition: all var(--transition-normal);
}

.help-card:hover .help-icon::after {
    animation: iconShine 0.6s ease-out;
}

.help-card h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    transition: color var(--transition-fast);
}

.help-card:hover h3 {
    color: var(--primary-color);
}

.help-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.contact {
    padding: 100px 0;
    background: linear-gradient(180deg, #ffffff 0%, var(--bg-secondary) 100%);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: linear-gradient(180deg, rgba(37, 99, 235, 0.02) 0%, transparent 100%);
    pointer-events: none;
}

.contact-wrapper {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    position: relative;
    z-index: 1;
}

.contact-info {
    text-align: center;
}

.contact-info h2 {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.contact-info > p {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* 新的联系卡片布局 - 描述与二维码一一对应 */
.contact-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
}

.contact-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2rem;
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
}

.contact-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(37, 99, 235, 0.2);
}

/* 卡片顶部信息区域 */
.contact-card-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem 1.5rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    width: 100%;
}

.contact-card-info i {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    font-size: 1.25rem;
    color: white;
    flex-shrink: 0;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.contact-card:hover .contact-card-info i {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.method-info h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.method-info p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* 二维码区域 */
.contact-card .qrcode-img {
    width: 180px;
    height: 180px;
    border-radius: var(--radius-lg);
    margin-bottom: 1rem;
    transition: all var(--transition-normal);
}

.contact-card:hover .qrcode-img {
    transform: scale(1.05);
}

.qrcode-label {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    text-align: center;
}

/* 保留旧样式兼容性 */
.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

.contact-method:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
    border-color: rgba(37, 99, 235, 0.2);
}

.contact-method i {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    font-size: 1.25rem;
    color: white;
    transition: all var(--transition-normal);
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.contact-method:hover i {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.contact-qrcodes {
    display: flex;
    justify-content: center;
    gap: 2.5rem;
}

.qrcode-item {
    text-align: center;
    padding: 1.5rem;
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
}

.qrcode-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(37, 99, 235, 0.2);
}

.qrcode-item .qrcode-img {
    width: 160px;
    height: 160px;
    border-radius: var(--radius-lg);
    margin-bottom: 0.75rem;
    transition: all var(--transition-normal);
}

.qrcode-item:hover .qrcode-img {
    transform: scale(1.05);
}

.qrcode-item p {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.qrcode-placeholder {
    width: 160px;
    height: 160px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    border: 2px dashed var(--border-color);
    margin-bottom: 0.75rem;
}

.qrcode-img-placeholder {
    width: 160px;
    height: 160px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 2px dashed var(--border-color);
    margin-bottom: 0.75rem;
    transition: all var(--transition-normal);
}

.qrcode-item:hover .qrcode-img-placeholder {
    border-color: var(--primary-color);
    background: var(--bg-tertiary);
}

.qrcode-img-placeholder i {
    font-size: 3rem;
    color: var(--primary-color);
}

.qrcode-img-placeholder span {
    font-size: 0.75rem;
    color: var(--text-light);
}

.clients {
    padding: 80px 0;
    background: linear-gradient(180deg, #ffffff 0%, var(--bg-secondary) 50%, #ffffff 100%);
    position: relative;
    overflow: hidden;
}

.clients::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.03) 0%, transparent 70%);
    pointer-events: none;
}

.clients-grid {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    position: relative;
    z-index: 1;
}

.client-row {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    animation: scrollLeft 30s linear infinite;
}

.client-row:nth-child(even) {
    animation: scrollRight 30s linear infinite;
}

@keyframes scrollLeft {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50px); }
}

@keyframes scrollRight {
    0% { transform: translateX(-50px); }
    100% { transform: translateX(0); }
}

.client-item {
    padding: 0.875rem 1.75rem;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    font-size: 0.9375rem;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    transition: all var(--transition-fast);
    white-space: nowrap;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.client-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.1), transparent);
    transition: left 0.5s;
}

.client-item:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.client-item:hover::before {
    left: 100%;
}

.qrcode-placeholder i {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.qrcode-placeholder span {
    font-size: 0.75rem;
    color: var(--text-light);
}

.qrcode-item p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.footer {
    background: linear-gradient(180deg, #0f172a 0%, #020617 100%);
    padding: 80px 0 30px;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.5), transparent);
}

.footer::after {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 300px;
    background: radial-gradient(ellipse, rgba(37, 99, 235, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 4rem;
    margin-bottom: 3rem;
    position: relative;
    z-index: 1;
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 800;
    color: white;
    margin-bottom: 1rem;
    transition: all var(--transition-fast);
}

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

.footer-logo .logo-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-brand p {
    font-size: 0.875rem;
    color: var(--text-light);
    line-height: 1.7;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-column h4 {
    font-size: 0.9375rem;
    font-weight: 600;
    color: white;
    margin-bottom: 1.25rem;
    position: relative;
    display: inline-block;
}

.footer-column h4::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 24px;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.footer-column a {
    display: block;
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 0.75rem;
    transition: all var(--transition-fast);
    position: relative;
    padding-left: 0;
}

.footer-column a::before {
    content: '→';
    position: absolute;
    left: -16px;
    opacity: 0;
    transition: all var(--transition-fast);
    color: var(--primary-light);
}

.footer-column a:hover {
    color: var(--primary-light);
    padding-left: 16px;
}

.footer-column a:hover::before {
    opacity: 1;
    left: 0;
}

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

.footer-links-bottom {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.footer-links-bottom a {
    font-size: 0.875rem;
    color: var(--text-light);
    transition: all var(--transition-fast);
    position: relative;
}

.footer-links-bottom a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--primary-light);
    transition: width var(--transition-fast);
}

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

.footer-links-bottom a:hover::after {
    width: 100%;
}

.footer-links-bottom .divider {
    color: var(--text-light);
    opacity: 0.5;
}

.copyright {
    font-size: 0.8125rem;
    color: var(--text-light);
    opacity: 0.8;
}

.copyright a {
    color: var(--text-light);
    transition: color var(--transition-fast);
}

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

.modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    width: 100%;
    max-width: 420px;
    background: var(--bg-primary);
    border-radius: var(--radius-2xl);
    padding: 1.5rem;
    box-shadow: var(--shadow-xl);
    animation: modalSlideIn 0.3s ease;
}

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

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1.25rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.modal-header {
    text-align: center;
    margin-bottom: 1rem;
}

.modal-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.modal-header p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.form-group {
    margin-bottom: 0.75rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.form-group input {
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: 0.9375rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group input::placeholder {
    color: var(--text-light);
}

.checkbox-group {
    margin-bottom: 1rem;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin-top: 0.25rem;
}

.checkbox-label a {
    color: var(--primary-color);
}

.checkbox-label a:hover {
    text-decoration: underline;
}

.verify-group {
    display: flex;
    gap: 0.5rem;
}

.verify-group input {
    flex: 1;
}

.verify-group .btn {
    padding: 0.625rem 1rem;
    white-space: nowrap;
    min-width: 80px;
}

.verify-group .btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.forgot-link {
    font-size: 0.8125rem;
    color: var(--primary-color);
}

.forgot-link:hover {
    text-decoration: underline;
}

.modal-footer {
    text-align: center;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.modal-footer p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    display: inline;
}

.modal-footer a {
    font-size: 0.875rem;
    color: var(--primary-color);
    font-weight: 500;
    margin-left: 0.25rem;
}

.modal-footer a:hover {
    text-decoration: underline;
}

.download-modal {
    max-width: 360px;
}

.download-options {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.download-option {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: all var(--transition-fast);
}

.download-option:hover {
    background: var(--bg-primary);
    border-color: var(--primary-color);
    transform: translateX(4px);
}

.download-option i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.download-option span {
    flex-grow: 1;
    font-weight: 500;
    color: var(--text-primary);
}

.download-option small {
    font-size: 0.75rem;
    color: var(--success-color);
    background: rgba(16, 185, 129, 0.1);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
}

.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--radius-lg);
    color: white;
    font-size: 1.125rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-lg);
    z-index: 100;
}

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

.back-to-top:hover {
    transform: translateY(-4px);
}

@media (max-width: 1200px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .product-screenshot {
        height: 160px;
    }
}

@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-text {
        max-width: 100%;
    }

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

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

    .hero-visual {
        display: none;
    }

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

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

    .contact-wrapper {
        text-align: center;
    }

    .contact-cards {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
        max-width: 700px;
    }

    .contact-card {
        padding: 1.5rem;
    }

    .contact-card-info {
        padding: 0.75rem 1rem;
    }

    .contact-methods {
        align-items: center;
    }

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

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

    .footer-links {
        justify-items: center;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--bg-primary);
        flex-direction: column;
        padding: 1.5rem;
        gap: 0;
        border-bottom: 1px solid var(--border-color);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
    }

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

    .nav-link {
        padding: 1rem 0;
        width: 100%;
        text-align: center;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-link:last-child {
        border-bottom: none;
    }

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

    .nav-btn {
        display: none;
    }

    .products-grid {
        grid-template-columns: 1fr;
        max-width: 480px;
        margin: 0 auto;
    }
    
    .product-screenshot {
        height: 180px;
    }
    
    .product-card-header {
        padding: 0.875rem 1rem;
    }
    
    .product-card-content {
        padding: 1rem 1.25rem 1.25rem;
    }
    
    .product-card-actions {
        flex-direction: column;
    }
    
    .product-card-actions .btn {
        width: 100%;
    }

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

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

    .hero-stats {
        flex-direction: column;
        gap: 1rem;
    }

    .stat-divider {
        width: 80px;
        height: 1px;
    }

    .contact-cards {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
        max-width: 600px;
    }

    .contact-card {
        padding: 1rem;
    }

    .contact-card-info {
        padding: 0.5rem 0.75rem;
        margin-bottom: 0.75rem;
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }

    .contact-card-info i {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .method-info h4 {
        font-size: 1rem;
    }

    .method-info p {
        font-size: 0.8rem;
    }

    .contact-card .qrcode-img {
        width: 120px;
        height: 120px;
    }

    .qrcode-label {
        font-size: 0.9rem;
    }

    .contact-qrcodes {
        flex-direction: column;
        align-items: center;
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 100px 0 60px;
    }

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

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

    .hero-actions .btn {
        width: 100%;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .modal-content {
        padding: 1.5rem;
    }

    .contact-cards {
        grid-template-columns: 1fr;
        max-width: 300px;
        margin: 0 auto;
    }
}