* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: 
        radial-gradient(ellipse at 20% 30%, rgba(102, 126, 234, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 70%, rgba(118, 75, 162, 0.15) 0%, transparent 50%),
        #000000;
    min-height: 100vh;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: #ffffff;
    position: relative;
}

/* Блокировка выделения только для текста, не для кнопок */
* {
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

button, a, input, select, textarea {
    user-select: auto !important;
    -webkit-user-select: auto !important;
    -moz-user-select: auto !important;
    -ms-user-select: auto !important;
    cursor: pointer !important;
    pointer-events: auto !important;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 50% 50%, rgba(102, 126, 234, 0.03) 0%, transparent 50%);
    animation: pulse 8s ease-in-out infinite;
    pointer-events: none;
    z-index: 0;
}

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

/* Glass Header */
.glass-header {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 1200px;
    z-index: 1000;
    padding: 0;
}

.header-container {
    background: rgba(15, 15, 25, 0.7);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 24px;
    padding: 18px 35px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 
        0 10px 40px 0 rgba(102, 126, 234, 0.2),
        0 1px 2px 0 rgba(0, 0, 0, 0.5),
        inset 0 1px 1px rgba(255, 255, 255, 0.15);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.header-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.1), transparent);
    animation: shimmer 3s infinite;
}

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

.header-container:hover {
    background: rgba(20, 20, 35, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 
        0 15px 50px 0 rgba(102, 126, 234, 0.3),
        0 1px 2px 0 rgba(0, 0, 0, 0.6),
        inset 0 1px 2px rgba(255, 255, 255, 0.2);
}

/* Logo */
.logo {
    font-size: 36px;
    font-weight: 800;
    background: linear-gradient(135deg, #667eea 0%, #a855f7 50%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -2px;
    cursor: pointer;
    transition: all 0.4s ease;
    filter: drop-shadow(0 0 20px rgba(102, 126, 234, 0.5));
    animation: glow 3s ease-in-out infinite;
}

@keyframes glow {
    0%, 100% { filter: drop-shadow(0 0 20px rgba(102, 126, 234, 0.5)); }
    50% { filter: drop-shadow(0 0 30px rgba(168, 85, 247, 0.8)); }
}

.logo:hover {
    transform: scale(1.15) rotate(-5deg);
}

/* Navigation */
.nav-menu {
    display: flex;
    gap: 8px;
    align-items: center;
}

.nav-link {
    position: relative;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.3s ease;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.2), rgba(118, 75, 162, 0.2));
    border-radius: 12px;
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: -1;
}

.nav-link:hover {
    color: rgba(255, 255, 255, 0.95);
}

.nav-link:hover::before {
    opacity: 1;
    transform: scale(1);
}

.nav-link.active {
    color: #ffffff;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.3), rgba(118, 75, 162, 0.3));
    box-shadow: 
        0 4px 15px rgba(102, 126, 234, 0.3),
        inset 0 1px 1px rgba(255, 255, 255, 0.2);
}

.nav-link.active::before {
    opacity: 0;
}

/* Install Button */
.install-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #ffffff;
    border: none;
    padding: 12px 32px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 
        0 4px 15px rgba(102, 126, 234, 0.4),
        inset 0 1px 1px rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.install-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 ease;
}

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

.install-btn:hover {
    transform: translateY(-2px);
    box-shadow: 
        0 6px 20px rgba(102, 126, 234, 0.5),
        inset 0 1px 1px rgba(255, 255, 255, 0.3);
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 20px 60px;
    position: relative;
    z-index: 1;
}

.hero::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.2) 0%, transparent 70%);
    filter: blur(80px);
    animation: heroGlow 4s ease-in-out infinite;
}

@keyframes heroGlow {
    0%, 100% { 
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.5;
    }
    50% { 
        transform: translate(-50%, -50%) scale(1.2);
        opacity: 0.8;
    }
}

.hero-content {
    max-width: 900px;
    text-align: center;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: clamp(48px, 8vw, 90px);
    font-weight: 900;
    line-height: 1.05;
    margin-bottom: 28px;
    letter-spacing: -3px;
    text-shadow: 0 0 40px rgba(102, 126, 234, 0.3);
}

.gradient-text {
    background: linear-gradient(135deg, #667eea 0%, #a855f7 50%, #ec4899 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 3s ease infinite;
    background-size: 200% auto;
}

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

.hero-description {
    font-size: clamp(20px, 3vw, 28px);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 16px;
    font-weight: 500;
    line-height: 1.4;
}

.hero-subtitle {
    font-size: clamp(16px, 2vw, 20px);
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 48px;
    line-height: 1.6;
}

/* Hero CTA */
.hero-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.download-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #ffffff;
    border: none;
    padding: 20px 60px;
    border-radius: 16px;
    font-size: 20px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 
        0 8px 30px rgba(102, 126, 234, 0.5),
        inset 0 2px 2px rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.download-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 0.6s ease;
}

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

.download-btn:hover {
    transform: translateY(-3px);
    box-shadow: 
        0 12px 40px rgba(102, 126, 234, 0.6),
        inset 0 2px 2px rgba(255, 255, 255, 0.3);
}

.download-btn:active {
    transform: translateY(-1px);
}

.download-info {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    font-weight: 500;
}

/* Stats Section */
.stats-section {
    padding: 80px 20px;
}

.stats-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.stat-card {
    padding: 50px 40px;
    text-align: center;
    position: relative;
}

.stat-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 28px;
    padding: 2px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.5), rgba(168, 85, 247, 0.5));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.4s ease;
}

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

.stat-number {
    font-size: 64px;
    font-weight: 900;
    background: linear-gradient(135deg, #667eea 0%, #a855f7 50%, #ec4899 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
    filter: drop-shadow(0 0 20px rgba(102, 126, 234, 0.5));
}

.stat-label {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 600;
}

/* Glass Card Base */
.glass-card {
    background: rgba(15, 15, 25, 0.6);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 28px;
    box-shadow: 
        0 10px 40px 0 rgba(0, 0, 0, 0.5),
        0 1px 2px 0 rgba(102, 126, 234, 0.1),
        inset 0 1px 1px rgba(255, 255, 255, 0.15);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
}

.glass-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.glass-card:hover::after {
    opacity: 1;
}

.glass-card:hover {
    background: rgba(20, 20, 35, 0.7);
    border: 1px solid rgba(168, 85, 247, 0.3);
    transform: translateY(-8px) scale(1.02);
    box-shadow: 
        0 20px 60px 0 rgba(102, 126, 234, 0.4),
        0 0 80px 0 rgba(168, 85, 247, 0.2),
        inset 0 1px 2px rgba(255, 255, 255, 0.2);
}

/* Section Styles */
.features-section,
.install-section,
.reviews-section,
.faq-section {
    padding: 120px 20px;
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-title {
    font-size: clamp(36px, 6vw, 64px);
    font-weight: 900;
    margin-bottom: 20px;
    letter-spacing: -2px;
    line-height: 1.1;
}

.section-subtitle {
    font-size: clamp(16px, 2vw, 22px);
    color: rgba(255, 255, 255, 0.65);
    font-weight: 500;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 35px;
}

.feature-card {
    padding: 45px;
    position: relative;
}

.feature-icon {
    font-size: 56px;
    margin-bottom: 28px;
    display: inline-block;
    animation: iconFloat 3s ease-in-out infinite;
}

@keyframes iconFloat {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}

.feature-card:nth-child(1) .feature-icon { animation-delay: 0s; }
.feature-card:nth-child(2) .feature-icon { animation-delay: 0.2s; }
.feature-card:nth-child(3) .feature-icon { animation-delay: 0.4s; }
.feature-card:nth-child(4) .feature-icon { animation-delay: 0.6s; }
.feature-card:nth-child(5) .feature-icon { animation-delay: 0.8s; }
.feature-card:nth-child(6) .feature-icon { animation-delay: 1s; }

.feature-title {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 18px;
    background: linear-gradient(135deg, #ffffff 0%, rgba(255, 255, 255, 0.8) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.feature-description {
    font-size: 17px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
}

/* Showcase Section */
.showcase-section {
    padding: 120px 20px;
    max-width: 1400px;
    margin: 0 auto;
}

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

.showcase-title {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 800;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.showcase-description {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 32px;
    line-height: 1.6;
}

.showcase-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.showcase-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
}

.check-icon {
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: bold;
}

.showcase-visual {
    padding: 60px 40px;
    min-height: 450px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05), rgba(118, 75, 162, 0.05));
}

.scan-animation {
    text-align: center;
    width: 100%;
}

.scan-circle {
    position: relative;
    width: 200px;
    height: 200px;
    margin: 0 auto 40px;
}

.scan-shield {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 80px;
    z-index: 2;
    animation: float 3s ease-in-out infinite;
}

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

.scan-progress {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.scan-bg {
    fill: none;
    stroke: rgba(255, 255, 255, 0.1);
    stroke-width: 8;
}

.scan-fill {
    fill: none;
    stroke: url(#gradient);
    stroke-width: 8;
    stroke-dasharray: 565;
    stroke-dashoffset: 0;
    animation: scanProgress 3s ease-in-out infinite;
    filter: drop-shadow(0 0 10px rgba(102, 126, 234, 0.8));
}

@keyframes scanProgress {
    0%, 100% { stroke-dashoffset: 0; }
    50% { stroke-dashoffset: 282; }
}

.scan-line {
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, transparent, #667eea, transparent);
    margin-bottom: 30px;
    animation: scanMove 2s infinite;
}

@keyframes scanMove {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

.scan-text {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 50px;
    background: linear-gradient(135deg, #667eea 0%, #a855f7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: pulse 2s ease-in-out infinite;
}

.scan-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.scan-stat {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 20px;
    background: rgba(102, 126, 234, 0.1);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-value {
    font-size: 40px;
    font-weight: 800;
    background: linear-gradient(135deg, #667eea 0%, #a855f7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.threat-value {
    font-size: 48px;
    animation: questionPulse 2s ease-in-out infinite;
}

@keyframes questionPulse {
    0%, 100% { 
        transform: scale(1);
        filter: drop-shadow(0 0 10px rgba(102, 126, 234, 0.5));
    }
    50% { 
        transform: scale(1.1);
        filter: drop-shadow(0 0 20px rgba(168, 85, 247, 0.8));
    }
}

.stat-name {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Install Steps */
.steps-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    margin-top: 60px;
}

.step-card {
    padding: 40px;
    text-align: center;
    flex: 1;
    min-width: 250px;
    max-width: 300px;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 700;
    margin: 0 auto 24px;
}

.step-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
}

.step-description {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.5;
}

.step-arrow {
    font-size: 32px;
    color: rgba(255, 255, 255, 0.3);
    font-weight: 300;
}

/* Reviews Grid */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.review-card {
    padding: 40px;
}

.stars {
    color: #ffd700;
    font-size: 20px;
    margin-bottom: 20px;
}

.review-text {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    margin-bottom: 24px;
}

.reviewer-name {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
}

.reviewer-role {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
}

/* FAQ */
.faq-container {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.faq-item {
    padding: 32px;
    cursor: pointer;
}

.faq-question {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

.faq-answer {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

/* CTA Section */
.cta-section {
    padding: 120px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.cta-content {
    padding: 80px 40px;
    text-align: center;
}

.cta-title {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 800;
    margin-bottom: 16px;
}

.cta-description {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 40px;
}

.download-btn-large {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #ffffff;
    border: none;
    padding: 24px 80px;
    border-radius: 16px;
    font-size: 22px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 
        0 12px 40px rgba(102, 126, 234, 0.5),
        inset 0 2px 2px rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
    margin-bottom: 16px;
}

.download-btn-large::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 0.6s ease;
}

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

.download-btn-large:hover {
    transform: translateY(-3px);
    box-shadow: 
        0 16px 50px rgba(102, 126, 234, 0.6),
        inset 0 2px 2px rgba(255, 255, 255, 0.3);
}

/* Footer */
.footer {
    background: rgba(255, 255, 255, 0.02);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 60px 20px 30px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-logo {
    font-size: 48px;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.6);
    font-size: 16px;
}

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

.footer-column {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-column h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.footer-column a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-column a:hover {
    color: rgba(255, 255, 255, 0.9);
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
}

/* Responsive */
@media (max-width: 1024px) {
    .showcase-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .step-arrow {
        transform: rotate(90deg);
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}

/* Download Notification */
.download-notification {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 10000;
    opacity: 0;
    transform: translateY(20px) scale(0.9);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.download-notification.show {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.notification-content {
    background: rgba(15, 15, 25, 0.95);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border: 1px solid rgba(102, 126, 234, 0.5);
    border-radius: 16px;
    padding: 20px 30px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: 
        0 10px 40px rgba(102, 126, 234, 0.4),
        0 0 80px rgba(168, 85, 247, 0.3),
        inset 0 1px 1px rgba(255, 255, 255, 0.2);
    animation: notificationGlow 2s ease-in-out infinite;
}

@keyframes notificationGlow {
    0%, 100% {
        box-shadow: 
            0 10px 40px rgba(102, 126, 234, 0.4),
            0 0 80px rgba(168, 85, 247, 0.3),
            inset 0 1px 1px rgba(255, 255, 255, 0.2);
    }
    50% {
        box-shadow: 
            0 10px 50px rgba(102, 126, 234, 0.6),
            0 0 100px rgba(168, 85, 247, 0.5),
            inset 0 1px 2px rgba(255, 255, 255, 0.3);
    }
}

.notification-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, #667eea 0%, #a855f7 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: bold;
    flex-shrink: 0;
}

.notification-text {
    color: #ffffff;
    font-size: 15px;
    font-weight: 600;
    white-space: nowrap;
}

/* Error Notification Styles */
.notification-content.error-content {
    border: 1px solid rgba(239, 68, 68, 0.5);
    animation: errorGlow 2s ease-in-out infinite;
}

@keyframes errorGlow {
    0%, 100% {
        box-shadow: 
            0 10px 40px rgba(239, 68, 68, 0.4),
            0 0 80px rgba(239, 68, 68, 0.3),
            inset 0 1px 1px rgba(255, 255, 255, 0.2);
    }
    50% {
        box-shadow: 
            0 10px 50px rgba(239, 68, 68, 0.6),
            0 0 100px rgba(239, 68, 68, 0.5),
            inset 0 1px 2px rgba(255, 255, 255, 0.3);
    }
}

.notification-icon.error-icon {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
}