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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #0f0f23, #1a1a2e, #16213e);
    color: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(15, 15, 35, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: #00d4ff;
}

.nav-logo i {
    font-size: 1.8rem;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-link {
    color: #cccccc;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: #00d4ff;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #00d4ff, #0066ff);
    transition: width 0.3s ease;
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 70px;
    overflow: hidden;
    background: radial-gradient(ellipse at center, #0f0f23 0%, #1a1a2e 40%, #16213e 80%, #0d0d1f 100%);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 107, 107, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(0, 102, 255, 0.05) 0%, transparent 50%),
        linear-gradient(135deg, #0f0f23 0%, #1a1a2e 50%, #16213e 100%);
}

/* Animated Grid Background */
.grid-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: grid-move 20s linear infinite;
    opacity: 0.5;
}

@keyframes grid-move {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.floating-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
}

.shape {
    position: absolute;
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
    filter: blur(1px);
}

.shape-1 {
    width: 120px;
    height: 120px;
    top: 15%;
    left: 8%;
    background: linear-gradient(45deg, rgba(0, 212, 255, 0.15), rgba(0, 102, 255, 0.1));
    animation-delay: 0s;
}

.shape-2 {
    width: 80px;
    height: 80px;
    top: 65%;
    right: 12%;
    background: linear-gradient(45deg, rgba(255, 107, 107, 0.12), rgba(255, 140, 140, 0.08));
    animation-delay: 2s;
}

.shape-3 {
    width: 100px;
    height: 100px;
    bottom: 25%;
    left: 18%;
    background: linear-gradient(45deg, rgba(0, 212, 255, 0.1), rgba(102, 255, 204, 0.08));
    animation-delay: 4s;
}

.shape-4 {
    width: 140px;
    height: 140px;
    top: 35%;
    right: 25%;
    background: linear-gradient(45deg, rgba(0, 102, 255, 0.1), rgba(0, 212, 255, 0.12));
    animation-delay: 1s;
}

.shape-5 {
    width: 60px;
    height: 60px;
    top: 75%;
    left: 35%;
    background: linear-gradient(45deg, rgba(255, 107, 107, 0.1), rgba(255, 182, 193, 0.08));
    animation-delay: 3s;
}

.shape-6 {
    width: 90px;
    height: 90px;
    top: 10%;
    right: 45%;
    background: linear-gradient(45deg, rgba(0, 212, 255, 0.08), rgba(0, 255, 255, 0.1));
    animation-delay: 5s;
}

.shape-7 {
    width: 70px;
    height: 70px;
    bottom: 15%;
    right: 8%;
    background: linear-gradient(45deg, rgba(102, 255, 204, 0.1), rgba(0, 255, 127, 0.08));
    animation-delay: 1.5s;
}

.shape-8 {
    width: 110px;
    height: 110px;
    top: 50%;
    left: 5%;
    background: linear-gradient(45deg, rgba(0, 102, 255, 0.08), rgba(75, 0, 130, 0.1));
    animation-delay: 3.5s;
}

@keyframes float {
    0%, 100% { 
        transform: translateY(0px) rotate(0deg) scale(1);
    }
    25% { 
        transform: translateY(-15px) rotate(90deg) scale(1.05);
    }
    50% { 
        transform: translateY(-30px) rotate(180deg) scale(1.1);
    }
    75% { 
        transform: translateY(-15px) rotate(270deg) scale(1.05);
    }
}

/* Particles */
.particles {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(0, 212, 255, 0.6);
    border-radius: 50%;
    animation: particle-float 8s ease-in-out infinite;
}

.particle-1 { top: 20%; left: 15%; animation-delay: 0s; }
.particle-2 { top: 40%; left: 25%; animation-delay: 1s; }
.particle-3 { top: 60%; left: 35%; animation-delay: 2s; }
.particle-4 { top: 80%; left: 45%; animation-delay: 3s; }
.particle-5 { top: 30%; right: 20%; animation-delay: 4s; }
.particle-6 { top: 50%; right: 30%; animation-delay: 5s; }
.particle-7 { top: 70%; right: 40%; animation-delay: 6s; }
.particle-8 { top: 10%; right: 50%; animation-delay: 7s; }
.particle-9 { bottom: 20%; left: 60%; animation-delay: 1.5s; }
.particle-10 { bottom: 40%; right: 10%; animation-delay: 2.5s; }

@keyframes particle-float {
    0%, 100% { 
        transform: translateY(0px) translateX(0px);
        opacity: 0;
    }
    10%, 90% {
        opacity: 1;
    }
    50% { 
        transform: translateY(-100px) translateX(20px);
        opacity: 0.8;
    }
}

/* Gradient Orbs */
.gradient-orbs {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(40px);
    animation: orb-pulse 6s ease-in-out infinite;
}

.orb-1 {
    width: 300px;
    height: 300px;
    top: 10%;
    left: -10%;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.2) 0%, transparent 70%);
    animation-delay: 0s;
}

.orb-2 {
    width: 250px;
    height: 250px;
    bottom: 10%;
    right: -10%;
    background: radial-gradient(circle, rgba(255, 107, 107, 0.15) 0%, transparent 70%);
    animation-delay: 2s;
}

.orb-3 {
    width: 200px;
    height: 200px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: radial-gradient(circle, rgba(0, 102, 255, 0.1) 0%, transparent 70%);
    animation-delay: 4s;
}

@keyframes orb-pulse {
    0%, 100% { 
        transform: scale(1);
        opacity: 0.3;
    }
    50% { 
        transform: scale(1.2);
        opacity: 0.6;
    }
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 2;
    min-height: calc(100vh - 140px);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.15), rgba(0, 102, 255, 0.1));
    border: 1px solid rgba(0, 212, 255, 0.4);
    padding: 12px 20px;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 30px;
    animation: hero-badge-glow 3s ease-in-out infinite;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(0, 212, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.hero-badge::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, transparent, rgba(0, 212, 255, 0.5), transparent);
    border-radius: 50px;
    z-index: -1;
    animation: badge-border-rotate 3s linear infinite;
}

@keyframes hero-badge-glow {
    0%, 100% { 
        box-shadow: 0 8px 32px rgba(0, 212, 255, 0.2);
        transform: translateY(0px);
    }
    50% { 
        box-shadow: 0 12px 40px rgba(0, 212, 255, 0.4);
        transform: translateY(-2px);
    }
}

@keyframes badge-border-rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 25px;
    text-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
    animation: title-glow 4s ease-in-out infinite;
}

@keyframes title-glow {
    0%, 100% { 
        text-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
    }
    50% { 
        text-shadow: 0 8px 30px rgba(0, 212, 255, 0.5);
    }
}

.gradient-text {
    background: linear-gradient(135deg, #00d4ff 0%, #0066ff 25%, #ff6b6b 50%, #00d4ff 75%, #0066ff 100%);
    background-size: 300% 100%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient-shift 4s ease-in-out infinite;
    position: relative;
}

.gradient-text::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    background: linear-gradient(135deg, #00d4ff, #0066ff, #ff6b6b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.3;
    z-index: -1;
    filter: blur(2px);
}

@keyframes gradient-shift {
    0%, 100% { background-position: 0% 50%; }
    25% { background-position: 50% 50%; }
    50% { background-position: 100% 50%; }
    75% { background-position: 50% 50%; }
}

.hero-description {
    font-size: 1.3rem;
    color: #e0e0e0;
    margin-bottom: 35px;
    line-height: 1.7;
    font-weight: 400;
    opacity: 0.9;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-features {
    display: flex;
    gap: 15px;
    margin-bottom: 45px;
    flex-wrap: wrap;
}

.feature {
    display: flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(0, 212, 255, 0.05));
    padding: 12px 18px;
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 500;
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

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

.feature:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.3);
    border-color: rgba(0, 212, 255, 0.4);
}

.feature-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.2), rgba(0, 102, 255, 0.1));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(0, 212, 255, 0.3);
}

.feature-icon i {
    color: #00d4ff;
    font-size: 1rem;
}

.hero-buttons {
    display: flex;
    gap: 25px;
    flex-wrap: wrap;
    align-items: center;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 32px;
    border: none;
    border-radius: 16px;
    font-size: 1.1rem;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.6s ease;
}

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

.btn-primary {
    background: linear-gradient(135deg, #00d4ff 0%, #0066ff 50%, #ff6b6b 100%);
    background-size: 200% 100%;
    color: white;
    box-shadow: 0 8px 32px rgba(0, 212, 255, 0.4);
    border: 2px solid rgba(255, 255, 255, 0.1);
    animation: btn-gradient 3s ease-in-out infinite;
}

@keyframes btn-gradient {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.btn-primary:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 15px 40px rgba(0, 212, 255, 0.6);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-secondary {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(0, 212, 255, 0.05));
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(15px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), rgba(0, 212, 255, 0.1));
    transform: translateY(-4px) scale(1.05);
    border-color: rgba(0, 212, 255, 0.4);
    box-shadow: 0 15px 40px rgba(0, 212, 255, 0.3);
}

.btn-disabled {
    background: rgba(255, 255, 255, 0.05);
    color: #666666;
    cursor: not-allowed;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* Hero Image */
.hero-image {
    position: relative;
}

.app-preview {
    position: relative;
    transform: perspective(1000px) rotateY(-15deg) rotateX(5deg);
    transition: transform 0.3s ease;
    max-width: 500px;
    margin: 0 auto;
}

.app-preview:hover {
    transform: perspective(1000px) rotateY(-10deg) rotateX(2deg);
}

.app-window {
    background: rgba(45, 45, 48, 0.98);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
}

.app-glow {
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    background: radial-gradient(ellipse at center, rgba(0, 212, 255, 0.15) 0%, transparent 70%);
    border-radius: 20px;
    z-index: -1;
    animation: glow-pulse 3s ease-in-out infinite;
}

@keyframes glow-pulse {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.05); }
}

.window-header {
    background: rgba(20, 20, 20, 0.9);
    padding: 15px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.window-controls {
    display: flex;
    gap: 8px;
}

.control {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s ease;
}

.control:hover {
    transform: scale(1.1);
    box-shadow: 0 0 8px rgba(255, 255, 255, 0.3);
}

.control.minimize {
    background: #ffbd2e;
}

.control.maximize {
    background: #28ca42;
}

.control.close {
    background: #ff5f56;
}

.window-title {
    color: #ffffff;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
}

.window-title i {
    color: #00d4ff;
    font-size: 1.1rem;
}

.window-menu {
    color: #cccccc;
    cursor: pointer;
    padding: 5px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.window-menu:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #00d4ff;
}

.window-content {
    padding: 0;
    background: rgba(40, 40, 40, 0.6);
}

/* Language Bar */
.language-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.lang-select {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.85rem;
    outline: none;
    cursor: pointer;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    font-weight: 500;
}

.status-indicator.online {
    color: #28ca42;
}

.status-dot {
    width: 8px;
    height: 8px;
    background: #28ca42;
    border-radius: 50%;
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.tabs {
    display: flex;
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    overflow-x: auto;
}

.tab {
    padding: 12px 16px;
    background: transparent;
    border: none;
    font-size: 0.85rem;
    color: #999999;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
    border-bottom: 2px solid transparent;
}

.tab:hover {
    background: rgba(255, 255, 255, 0.05);
    color: #cccccc;
}

.tab.active {
    background: rgba(0, 122, 204, 0.1);
    color: #00d4ff;
    border-bottom-color: #00d4ff;
}

.tab i {
    font-size: 0.9rem;
}

/* Tab Content */
.tab-content {
    display: none;
    padding: 20px;
    min-height: 300px;
}

.tab-content.active {
    display: block;
}

/* Settings Sections */
.settings-section {
    margin-bottom: 25px;
}

.settings-section h3 {
    color: #00d4ff;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 15px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(0, 212, 255, 0.2);
}

.setting-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.setting-info {
    flex: 1;
}

.setting-label {
    color: #ffffff;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 3px;
}

.setting-desc {
    color: #999999;
    font-size: 0.8rem;
    line-height: 1.4;
}

.setting-toggle {
    width: 44px;
    height: 24px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    position: relative;
    cursor: pointer;
    transition: all 0.3s ease;
}

.setting-toggle:hover {
    background: rgba(255, 255, 255, 0.15);
}

.setting-toggle.active {
    background: #00d4ff;
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

.setting-toggle::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 20px;
    height: 20px;
    background: white;
    border-radius: 50%;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.setting-toggle.active::after {
    transform: translateX(20px);
}

.hotkey-display {
    background: rgba(0, 212, 255, 0.1);
    color: #00d4ff;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid rgba(0, 212, 255, 0.3);
}

.value-display {
    background: rgba(255, 255, 255, 0.05);
    color: #ffffff;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Color Preview */
.color-preview {
    display: flex;
    flex-direction: column;
    gap: 15px;
    padding: 20px 0;
}

.color-range {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 12px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.color-sample {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.color-range span {
    color: #ffffff;
    font-weight: 500;
    font-size: 0.9rem;
}

/* Status Bar */
.status-bar {
    background: rgba(20, 20, 20, 0.8);
    padding: 12px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
}

.status-info {
    display: flex;
    gap: 20px;
}

.status-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: #cccccc;
}

.status-item i {
    color: #00d4ff;
    font-size: 0.85rem;
}

.status-item strong {
    color: #ffffff;
    font-weight: 600;
}

.version-info {
    background: rgba(0, 212, 255, 0.1);
    color: #00d4ff;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    border: 1px solid rgba(0, 212, 255, 0.3);
}

/* Features Summary */
.features-summary {
    padding: 80px 0;
    background: rgba(255, 255, 255, 0.01);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 16px;
    padding: 30px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 212, 255, 0.1);
    border-color: rgba(0, 212, 255, 0.3);
}

.feature-card .feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.2), rgba(0, 102, 255, 0.2));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    border: 1px solid rgba(0, 212, 255, 0.3);
}

.feature-card .feature-icon i {
    font-size: 1.5rem;
    color: #00d4ff;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #ffffff;
}

.feature-card p {
    color: #cccccc;
    line-height: 1.5;
}

/* Hero Stats */
.hero-stats {
    display: flex;
    gap: 40px;
    margin-bottom: 50px;
    justify-content: flex-start;
}

.stat {
    text-align: center;
    padding: 20px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05), rgba(0, 212, 255, 0.03));
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(15px);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    min-width: 120px;
}

.stat::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, #00d4ff, #0066ff, #ff6b6b);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.stat:hover::before {
    opacity: 1;
}

.stat:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 212, 255, 0.2);
    border-color: rgba(0, 212, 255, 0.3);
}

.stat-number {
    font-size: 2.4rem;
    font-weight: 800;
    color: #00d4ff;
    line-height: 1;
    text-shadow: 0 2px 10px rgba(0, 212, 255, 0.3);
    animation: stat-glow 3s ease-in-out infinite;
}

@keyframes stat-glow {
    0%, 100% { 
        text-shadow: 0 2px 10px rgba(0, 212, 255, 0.3);
    }
    50% { 
        text-shadow: 0 4px 20px rgba(0, 212, 255, 0.6);
    }
}

.stat-label {
    font-size: 0.95rem;
    color: #e0e0e0;
    margin-top: 8px;
    font-weight: 500;
    opacity: 0.9;
}

.hero-badge {
    position: relative;
    overflow: hidden;
}

.badge-glow {
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, transparent, rgba(0, 212, 255, 0.3), transparent);
    border-radius: 50px;
    z-index: -1;
    animation: badge-rotate 3s linear infinite;
}

@keyframes badge-rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
}

.modal-content {
    background: rgba(45, 45, 48, 0.98);
    margin: 5% auto;
    padding: 0;
    border-radius: 16px;
    width: 90%;
    max-width: 500px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(20px);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    background: rgba(20, 20, 20, 0.8);
    padding: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-radius: 16px 16px 0 0;
}

.modal-header h2 {
    color: #ffffff;
    font-size: 1.3rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.modal-header i {
    color: #00d4ff;
}

.modal-close {
    background: none;
    border: none;
    color: #cccccc;
    font-size: 1.5rem;
    cursor: pointer;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.modal-close:hover {
    background: rgba(255, 95, 86, 0.2);
    color: #ff5f56;
}

.modal-body {
    padding: 30px;
}

/* Download Section */
.download-section {
    padding: 100px 0;
    background: rgba(255, 255, 255, 0.02);
}

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

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    background: linear-gradient(135deg, #00d4ff, #0066ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header p {
    font-size: 1.1rem;
    color: #cccccc;
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.download-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: 30px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    transition: all 0.3s ease;
}

.download-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 212, 255, 0.1);
    border-color: rgba(0, 212, 255, 0.3);
}

.download-card.coming-soon {
    opacity: 0.6;
}

.download-icon {
    font-size: 3rem;
    color: #00d4ff;
    margin-bottom: 20px;
}

.download-card h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.download-card p {
    color: #cccccc;
    margin-bottom: 10px;
}

.download-size {
    font-size: 0.9rem;
    color: #999999;
    margin-bottom: 20px;
}

.system-requirements {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 16px;
    padding: 40px;
    text-align: center;
}

.system-requirements h3 {
    font-size: 1.5rem;
    margin-bottom: 30px;
    color: #00d4ff;
}

.requirements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.requirement {
    display: flex;
    align-items: center;
    gap: 10px;
    justify-content: center;
}

.requirement i {
    color: #00d4ff;
    font-size: 1.2rem;
}

/* Key Section */
.key-section {
    padding: 100px 0;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.05), rgba(0, 102, 255, 0.05));
}

.key-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.key-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 20px;
}

.key-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
}

.key-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #ff6b6b, #ff8e8e);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
}

.key-description {
    font-size: 1.1rem;
    color: #cccccc;
    margin-bottom: 30px;
    line-height: 1.6;
}

.key-benefits {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.benefit {
    display: flex;
    align-items: center;
    gap: 12px;
}

.benefit i {
    color: #28ca42;
    font-size: 1.1rem;
}

.key-form-container {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 40px;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.form-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 30px;
    text-align: center;
    justify-content: center;
}

.form-header i {
    color: #00d4ff;
    font-size: 1.5rem;
}

.form-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #cccccc;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: white;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #00d4ff;
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-group input::placeholder {
    color: #666666;
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 12px;
}

.checkbox-container {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    user-select: none;
}

.checkbox-container input {
    display: none;
}

.checkmark {
    width: 20px;
    height: 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    position: relative;
    transition: all 0.3s ease;
}

.checkbox-container input:checked + .checkmark {
    background: #00d4ff;
    border-color: #00d4ff;
}

.checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 12px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.checkbox-container input:checked + .checkmark::after {
    opacity: 1;
}

.terms-link {
    color: #00d4ff;
    text-decoration: none;
}

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

.btn-loader {
    display: none;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.key-result {
    margin-top: 20px;
    padding: 20px;
    background: rgba(40, 202, 66, 0.1);
    border: 1px solid rgba(40, 202, 66, 0.3);
    border-radius: 12px;
    text-align: center;
}

.result-success i {
    color: #28ca42;
    font-size: 2rem;
    margin-bottom: 15px;
}

.result-success h4 {
    margin-bottom: 20px;
    color: #28ca42;
}

.key-display {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.key-display input {
    flex: 1;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    padding: 12px;
    color: white;
    text-align: center;
    font-family: 'Courier New', monospace;
    font-weight: bold;
}

.copy-btn {
    padding: 12px;
    background: #00d4ff;
    border: none;
    border-radius: 8px;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
}

.copy-btn:hover {
    background: #0098cc;
}

.key-expiry {
    color: #cccccc;
    font-size: 0.9rem;
}

/* Footer */
.footer {
    background: rgba(0, 0, 0, 0.3);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 40px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 30px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
    font-weight: 700;
    color: #00d4ff;
    margin-bottom: 15px;
}

.footer-logo i {
    font-size: 1.5rem;
}

.footer-left p {
    color: #cccccc;
    line-height: 1.6;
}

.footer-links {
    display: flex;
    gap: 20px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.footer-links a {
    color: #cccccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #00d4ff;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    color: #cccccc;
    transition: all 0.3s ease;
}

.footer-social a:hover {
    background: #00d4ff;
    color: white;
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #999999;
}

/* Key Display Modal */
.key-display-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(20px);
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    animation: modal-fade-in 0.3s ease;
}

.key-display-modal.show {
    display: flex;
}

@keyframes modal-fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

.key-display-content {
    background: linear-gradient(145deg, rgba(45, 45, 48, 0.98), rgba(32, 32, 35, 0.95));
    border-radius: 20px;
    padding: 0;
    max-width: 500px;
    width: 90%;
    box-shadow: 
        0 50px 100px rgba(0, 0, 0, 0.6),
        0 0 0 1px rgba(255, 255, 255, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(30px);
    position: relative;
    overflow: hidden;
    animation: modal-slide-in 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

@keyframes modal-slide-in {
    from { 
        opacity: 0; 
        transform: translateY(-50px) scale(0.9); 
    }
    to { 
        opacity: 1; 
        transform: translateY(0) scale(1); 
    }
}

.key-display-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.8), transparent);
}

.key-display-header {
    text-align: center;
    padding: 40px 30px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.key-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #00d4ff, #0099cc);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
    animation: icon-glow 2s ease-in-out infinite;
}

@keyframes icon-glow {
    0%, 100% { 
        box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
        transform: scale(1);
    }
    50% { 
        box-shadow: 0 10px 40px rgba(0, 212, 255, 0.5);
        transform: scale(1.05);
    }
}

.key-icon i {
    font-size: 2rem;
    color: white;
}

.key-display-header h2 {
    color: #ffffff;
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0 0 10px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.key-display-header p {
    color: #cccccc;
    font-size: 1rem;
    margin: 0;
    opacity: 0.9;
}

.key-display-body {
    padding: 30px;
}

.key-container {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    align-items: center;
}

.key-container input {
    flex: 1;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(0, 212, 255, 0.3);
    border-radius: 12px;
    padding: 15px 20px;
    color: #ffffff;
    font-size: 1.1rem;
    font-weight: 600;
    font-family: 'Courier New', monospace;
    text-align: center;
    letter-spacing: 2px;
    transition: all 0.3s ease;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
}

.key-container input:focus {
    outline: none;
    border-color: rgba(0, 212, 255, 0.6);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
}

.copy-key-btn {
    background: linear-gradient(135deg, #00d4ff, #0099cc);
    border: none;
    border-radius: 12px;
    padding: 15px 20px;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 212, 255, 0.3);
}

.copy-key-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.4);
}

.copy-key-btn i {
    font-size: 1.2rem;
}

.key-instructions {
    margin-bottom: 30px;
}

.instruction-item {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 10px;
    border-left: 3px solid rgba(0, 212, 255, 0.3);
    transition: all 0.3s ease;
}

.instruction-item:hover {
    background: rgba(255, 255, 255, 0.05);
    border-left-color: rgba(0, 212, 255, 0.6);
    transform: translateX(5px);
}

.step-number {
    width: 30px;
    height: 30px;
    background: linear-gradient(135deg, #00d4ff, #0099cc);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: 0 3px 10px rgba(0, 212, 255, 0.3);
}

.step-text {
    color: #ffffff;
    font-size: 1rem;
    font-weight: 500;
}

.key-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
}

.key-actions .btn {
    flex: 1;
    max-width: 200px;
}

.key-display-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

/* Key Display Modal Responsive */
@media (max-width: 768px) {
    .key-display-content {
        width: 95%;
        max-width: none;
    }
    
    .key-display-header {
        padding: 30px 20px 15px;
    }
    
    .key-icon {
        width: 60px;
        height: 60px;
        margin-bottom: 15px;
    }
    
    .key-icon i {
        font-size: 1.5rem;
    }
    
    .key-display-header h2 {
        font-size: 1.5rem;
    }
    
    .key-display-body {
        padding: 20px;
    }
    
    .key-container {
        flex-direction: column;
        gap: 15px;
    }
    
    .key-container input {
        font-size: 1rem;
        padding: 12px 15px;
    }
    
    .copy-key-btn {
        width: 100%;
        padding: 12px 20px;
    }
    
    .instruction-item {
        padding: 12px;
        gap: 12px;
    }
    
    .step-number {
        width: 25px;
        height: 25px;
        font-size: 0.8rem;
    }
    
    .step-text {
        font-size: 0.9rem;
    }
    
    .key-actions {
        flex-direction: column;
        gap: 10px;
    }
    
    .key-actions .btn {
        max-width: none;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 15px;
    }
    
    .nav-links {
        display: none;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-features {
        justify-content: center;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        gap: 20px;
        flex-wrap: wrap;
    }
    
    .app-preview {
        transform: none;
        max-width: 100%;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 20px;
    }
    
    .footer-links {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .modal-content {
        width: 95%;
        margin: 10% auto;
    }
    
    .modal-body {
        padding: 20px;
    }
    
    .status-info {
        gap: 10px;
        flex-wrap: wrap;
    }
    
    .tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .feature {
        font-size: 0.8rem;
    }
    
    .feature-icon {
        width: 50px;
        height: 50px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .btn {
        padding: 12px 20px;
        font-size: 0.9rem;
    }
    
    .key-form-container {
        padding: 25px;
    }
    
    .app-preview {
        transform: none;
    }
    
    .requirements-grid {
        grid-template-columns: 1fr;
    }
}