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

*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #1f2937;
    background-color: #ffffff;
    overflow-x: hidden;
}

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

/* Custom Properties */
:root {
    --primary-gradient: linear-gradient(135deg, #dc2626, #7c2d12);
    --secondary-gradient: linear-gradient(135deg, #3b82f6, #1d4ed8);
    --success-gradient: linear-gradient(135deg, #10b981, #047857);
    --warning-gradient: linear-gradient(135deg, #f59e0b, #d97706);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Advanced Header Styles */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    transition: var(--transition-normal);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
    position: relative;
}

.logo svg {
    transition: var(--transition-normal);
}

.logo:hover svg {
    transform: scale(1.1) rotate(5deg);
}

.brand-name {
    font-weight: 800;
    font-size: 1.5rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.trust-badge {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    animation: pulse 2s infinite;
}

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

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

.nav-links a {
    text-decoration: none;
    color: #6b7280;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition-fast);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    transition: var(--transition-normal);
}

.nav-links a:hover {
    color: #dc2626;
}

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

.nav-cta {
    background: var(--primary-gradient) !important;
    color: white !important;
    padding: 0.75rem 1.5rem !important;
    border-radius: var(--radius-lg) !important;
    font-weight: 600 !important;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal) !important;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

/* Revolutionary Hero Section */
.hero {
    position: relative;
    background: linear-gradient(135deg, #fee2e2 0%, #ffffff 30%, #f8fafc 60%, #f1f5f9 100%);
    padding: 6rem 0 4rem;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="20" height="20" patternUnits="userSpaceOnUse"><path d="M 20 0 L 0 0 0 20" fill="none" stroke="%23e5e7eb" stroke-width="0.5" opacity="0.3"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.4;
    z-index: 0;
}

.hero .container {
    position: relative;
    z-index: 2;
}

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    pointer-events: none;
}

.floating-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
    animation: float 6s ease-in-out infinite;
}

.floating-card-1 {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.floating-card-2 {
    top: 60%;
    right: 15%;
    animation-delay: 2s;
}

.floating-card-3 {
    top: 40%;
    left: 5%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    25% { transform: translateY(-20px) rotate(1deg); }
    50% { transform: translateY(-10px) rotate(-1deg); }
    75% { transform: translateY(-30px) rotate(0.5deg); }
}

.card-content {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
    color: #374151;
    font-size: 0.9rem;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background: #10b981;
    border-radius: 50%;
    animation: pulse-dot 2s infinite;
}

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

.success-indicator {
    width: 12px;
    height: 12px;
    background: #10b981;
    border-radius: 2px;
    position: relative;
}

.success-indicator::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 8px;
    font-weight: bold;
}

.heartbeat-line {
    width: 24px;
    height: 12px;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 12"><path d="M0,6 L4,6 L6,2 L8,10 L10,6 L24,6" stroke="%23dc2626" stroke-width="2" fill="none"/></svg>');
    animation: heartbeat 1.5s infinite;
}

@keyframes heartbeat {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-text {
    animation: slideInLeft 1s ease-out;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, #fef3c7, #fbbf24);
    color: #92400e;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 2rem;
    animation: bounce-in 1s ease-out 0.5s both;
}

@keyframes bounce-in {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

.badge-icon {
    font-size: 1.2rem;
}

.hero-title {
    font-size: 4rem;
    font-weight: 900;
    line-height: 1.1;
    color: #1f2937;
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease-out 0.3s both;
}

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

.gradient-text::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
    border-radius: 2px;
    opacity: 0.3;
}

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

.hero-subtitle {
    font-size: 1.25rem;
    color: #6b7280;
    line-height: 1.7;
    margin-bottom: 3rem;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
    animation: fadeInUp 1s ease-out 0.9s both;
}

.stat-item {
    text-align: center;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: var(--transition-normal);
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: #dc2626;
    display: block;
    line-height: 1;
}

.stat-label {
    font-size: 0.9rem;
    color: #6b7280;
    font-weight: 500;
    margin-top: 0.5rem;
}

.hero-cta {
    animation: fadeInUp 1s ease-out 1.2s both;
}

.download-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.btn-download {
    display: flex;
    align-items: center;
    padding: 1rem 1.5rem;
    background: #ffffff;
    border: 2px solid #e5e7eb;
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: #374151;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.btn-download::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.1), transparent);
    transition: left 0.5s;
}

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

.btn-download:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
    border-color: #3b82f6;
}

.btn-download-ios:hover {
    border-color: #000000;
}

.btn-download-android:hover {
    border-color: #34d399;
}

.btn-content {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.download-icon {
    color: #6b7280;
}

.btn-subtitle {
    font-size: 0.8rem;
    color: #9ca3af;
    line-height: 1;
}

.btn-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #374151;
    line-height: 1;
}

.trial-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #059669;
    font-weight: 500;
    font-size: 0.9rem;
}

/* Advanced Device Mockup */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: slideInRight 1s ease-out;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.device-mockup {
    position: relative;
    transform: perspective(1000px) rotateY(-15deg) rotateX(10deg);
    transition: var(--transition-slow);
}

.device-mockup:hover {
    transform: perspective(1000px) rotateY(-10deg) rotateX(5deg) scale(1.05);
}

.device-frame {
    width: 320px;
    height: 640px;
    background: linear-gradient(145deg, #1f2937, #374151);
    border-radius: 40px;
    padding: 12px;
    box-shadow: var(--shadow-2xl);
    position: relative;
}

.device-frame::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 6px;
    background: #6b7280;
    border-radius: 3px;
}

.device-screen {
    width: 100%;
    height: 100%;
    background: #ffffff;
    border-radius: 28px;
    overflow: hidden;
    position: relative;
}

.app-interface {
    padding: 2rem 1.5rem;
    height: 100%;
    background: linear-gradient(135deg, #dc2626, #7c2d12);
    color: white;
    position: relative;
}

.interface-header {
    text-align: center;
    margin-bottom: 2rem;
}

.status-indicators {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
}

.indicator.active {
    background: #10b981;
    animation: pulse 2s infinite;
}

.interface-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.ecg-display {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
}

.ecg-wave {
    width: 100%;
    height: 80px;
}

.wave-path {
    animation: draw-wave 3s infinite;
}

@keyframes draw-wave {
    0% {
        stroke-dasharray: 0 1000;
    }
    100% {
        stroke-dasharray: 1000 0;
    }
}

.analysis-results {
    background: rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
}

.result-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.result-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

.result-icon.success {
    background: #10b981;
}

.result-title {
    font-size: 1.1rem;
    font-weight: 600;
    line-height: 1;
}

.result-confidence {
    font-size: 0.9rem;
    opacity: 0.9;
    line-height: 1;
}

.vital-signs {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
}

.vital {
    text-align: center;
    flex: 1;
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
}

.vital-label {
    font-size: 0.8rem;
    opacity: 0.8;
    display: block;
}

.vital-value {
    font-size: 1.2rem;
    font-weight: 600;
    display: block;
}

/* Trust Section */
.trust-section {
    padding: 3rem 0;
    background: #f8fafc;
    border-top: 1px solid #e2e8f0;
}

.trust-content {
    text-align: center;
}

.trust-content h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #64748b;
    margin-bottom: 2rem;
}

.trust-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.trust-logo {
    opacity: 0.6;
    transition: var(--transition-normal);
}

.trust-logo:hover {
    opacity: 1;
    transform: scale(1.1);
}

.logo-placeholder {
    font-weight: 600;
    color: #64748b;
    font-size: 1.1rem;
    padding: 1rem 2rem;
    border: 2px solid #e2e8f0;
    border-radius: var(--radius-lg);
    background: #ffffff;
    transition: var(--transition-normal);
}

.trust-logo:hover .logo-placeholder {
    border-color: #3b82f6;
    color: #3b82f6;
}

/* Enhanced Features Section */
.features-section {
    padding: 6rem 0;
    background: #ffffff;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
    animation: fadeInUp 1s ease-out;
}

.section-badge {
    display: inline-block;
    background: linear-gradient(135deg, #fef3c7, #fbbf24);
    color: #92400e;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.section-header h2 {
    font-size: 3rem;
    font-weight: 800;
    color: #1f2937;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.section-header p {
    font-size: 1.25rem;
    color: #6b7280;
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: #ffffff;
    padding: 3rem;
    border-radius: var(--radius-xl);
    border: 2px solid #f1f5f9;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(30px);
}

.feature-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.05), transparent);
    transition: left 0.7s;
}

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

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl);
    border-color: #3b82f6;
}

.feature-card-primary {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: white;
    border-color: #3b82f6;
}

.feature-card-primary:hover {
    border-color: #1d4ed8;
}

.feature-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 2rem;
}

.feature-icon {
    transition: var(--transition-normal);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-badge {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.feature-card:not(.feature-card-primary) .feature-badge {
    background: #e0f2fe;
    color: #0369a1;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.feature-card p {
    opacity: 0.9;
    line-height: 1.7;
    margin-bottom: 2rem;
}

.feature-metrics {
    display: flex;
    gap: 2rem;
}

.metric {
    text-align: center;
}

.metric-value {
    font-size: 2rem;
    font-weight: 800;
    line-height: 1;
    display: block;
}

.metric-label {
    font-size: 0.9rem;
    opacity: 0.8;
    font-weight: 500;
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.list-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #059669;
    font-weight: 500;
}

.security-badges {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.security-badge {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.8rem;
}

/* Testimonials Section */
.testimonials-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.testimonial-card {
    background: #ffffff;
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid #e2e8f0;
    transition: var(--transition-normal);
    position: relative;
    opacity: 0;
    transform: translateY(30px);
}

.testimonial-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-2xl);
}

.testimonial-featured {
    border: 2px solid #3b82f6;
    position: relative;
}

.featured-badge {
    position: absolute;
    top: -10px;
    left: 2rem;
    background: var(--secondary-gradient);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.8rem;
}

.testimonial-content {
    margin-bottom: 2rem;
}

.quote-icon {
    font-size: 3rem;
    color: #3b82f6;
    font-family: Georgia, serif;
    line-height: 1;
    margin-bottom: 1rem;
}

.testimonial-content p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #374151;
    font-style: italic;
}

.testimonial-author {
    border-top: 1px solid #e2e8f0;
    padding-top: 1.5rem;
}

.author-info h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 0.25rem;
}

.author-info p {
    color: #6b7280;
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

.author-credentials {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

.credential {
    background: #e0f2fe;
    color: #0369a1;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.testimonial-stats {
    display: flex;
    gap: 2rem;
    margin-top: 1rem;
}

.testimonial-stats .stat {
    text-align: center;
}

.testimonial-stats .stat-number {
    font-size: 1.5rem;
    font-weight: 800;
    color: #3b82f6;
    line-height: 1;
    display: block;
}

.testimonial-stats .stat-label {
    font-size: 0.8rem;
    color: #6b7280;
    font-weight: 500;
}

/* Certifications Section */
.certifications-section {
    padding: 6rem 0;
    background: #ffffff;
}

.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.cert-card {
    background: #ffffff;
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    border: 2px solid #f1f5f9;
    text-align: center;
    transition: var(--transition-normal);
    position: relative;
    opacity: 0;
    transform: translateY(30px);
}

.cert-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.cert-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: #10b981;
}

.cert-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.cert-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 1rem;
}

.cert-card p {
    color: #6b7280;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.cert-number {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9rem;
}

/* CTA Section */
.cta-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, #1f2937 0%, #374151 100%);
    color: white;
}

.cta-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.cta-text h2 {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

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

.cta-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.cta-feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
}

.cta-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.btn-primary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    background: var(--primary-gradient);
    color: white;
    padding: 1rem 2rem;
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary {
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    color: white;
    padding: 1rem 2rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-normal);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

/* Enhanced Footer */
.footer {
    background: #1f2937;
    color: #d1d5db;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 3fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.footer-brand .brand-name {
    color: #ffffff;
    font-weight: 700;
    font-size: 1.5rem;
}

.footer-brand p {
    line-height: 1.6;
    opacity: 0.9;
}

.footer-stats {
    display: flex;
    gap: 2rem;
}

.footer-stat {
    text-align: center;
}

.footer-stat .stat-number {
    font-size: 1.5rem;
    font-weight: 800;
    color: #dc2626;
    line-height: 1;
    display: block;
}

.footer-stat .stat-label {
    font-size: 0.8rem;
    opacity: 0.8;
    margin-top: 0.25rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.footer-column h4 {
    color: #ffffff;
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-column a {
    display: block;
    color: #d1d5db;
    text-decoration: none;
    margin-bottom: 0.75rem;
    transition: var(--transition-fast);
}

.footer-column a:hover {
    color: #ffffff;
    transform: translateX(4px);
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 2rem;
}

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

.compliance-badges {
    display: flex;
    gap: 0.75rem;
}

.compliance-badge {
    background: rgba(220, 38, 38, 0.2);
    color: #dc2626;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-md);
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid rgba(220, 38, 38, 0.3);
}

.disclaimer {
    font-size: 0.85rem;
    color: #9ca3af;
    font-style: italic;
    text-align: center;
    line-height: 1.5;
}

/* Floating Action Button */
.fab {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 1000;
}

.fab-button {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--primary-gradient);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    box-shadow: var(--shadow-xl);
    transition: var(--transition-normal);
    animation: bounce 2s infinite;
}

.fab-button:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--shadow-2xl);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cta-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    .nav {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }
    
    .nav-links {
        gap: 1rem;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .hero {
        padding: 4rem 0 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .download-buttons {
        flex-direction: column;
    }
    
    .device-mockup {
        transform: scale(0.8);
    }
    
    .features-grid,
    .testimonials-grid,
    .certifications-grid {
        grid-template-columns: 1fr;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .cta-text h2 {
        font-size: 2rem;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .floating-card {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .btn-download {
        padding: 0.75rem 1rem;
    }
    
    .feature-card,
    .testimonial-card,
    .cert-card {
        padding: 2rem;
    }
    
    .fab {
        bottom: 1rem;
        right: 1rem;
    }
    
    .fab-button {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    /* Add dark mode styles if needed */
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    /* Add high contrast styles if needed */
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}