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

:root {
    /* Color Palette */
    --deep-navy: #0A0F1F;
    --dark-slate: #1B2735;
    --electric-blue: #007BFF;
    --electric-blue-glow: #3399FF;
    --electric-blue-hover: #006ADB;
    --success: #22C55E;
    --warning: #EAB308;
    --error: #EF4444;
    --foreground: #FAFAFA;
    --muted-text: #A6A6A6;
    --card-bg: #141B26;
    --border: #2D3748;
    
    /* Gradients */
    --bg-gradient: linear-gradient(135deg, var(--deep-navy) 0%, var(--dark-slate) 100%);
    --text-gradient: linear-gradient(135deg, var(--electric-blue) 0%, var(--electric-blue-glow) 100%);
    --card-gradient: linear-gradient(135deg, var(--card-bg) 0%, #1A2332 100%);
    
    /* Shadows */
    --glow-primary: 0 0 40px rgba(0, 123, 255, 0.3);
    --glow-hover: 0 0 60px rgba(0, 123, 255, 0.4);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-lift: 0 8px 32px rgba(0, 0, 0, 0.2);
    
    /* Transitions */
    --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.6s ease-out;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(180deg, var(--deep-navy) 0%, var(--dark-slate) 100%);
    color: var(--foreground);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Animated Background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 25% 25%, rgba(0, 123, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(51, 153, 255, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 50% 0%, rgba(0, 123, 255, 0.02) 0%, transparent 60%);
    z-index: -1;
    animation: backgroundFloat 20s ease-in-out infinite;
}

@keyframes backgroundFloat {
    0%, 100% { 
        opacity: 1;
        transform: scale(1) rotate(0deg);
    }
    50% { 
        opacity: 0.8;
        transform: scale(1.05) rotate(1deg);
    }
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    height: 88px;
    background: rgba(20, 27, 38, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(45, 55, 72, 0.3);
    z-index: 1000;
    display: flex;
    align-items: center;
    transition: all var(--transition-smooth);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 0.75rem;
    width: 100%;
}

.logo {
    font-family: 'Sora', sans-serif;
    font-size: 1.7rem;
    font-weight: 800;
    color: var(--foreground);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: all var(--transition-smooth);
    line-height: 1;
}

.nav-logo {
    width: 120px;
    height: 120px;
    object-fit: contain;
    filter: drop-shadow(0 0 10px rgba(0, 123, 255, 0.4));
    display: block;
    align-self: center;
    transform: translateY(-6px);
}

/* Ensure text vertically centers with large logo */
.logo span {
    display: inline-block;
    line-height: 1;
    transform: translateY(0);
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--muted-text);
    font-weight: 500;
    font-size: 1.1rem;
    padding: 0.75rem 1.25rem;
    border-radius: 8px;
    transition: all var(--transition-smooth);
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--electric-blue);
    background: rgba(0, 123, 255, 0.1);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 100px;
    overflow: hidden;
}

.hero-content {
    max-width: 1400px;
    margin: 0 auto;
    text-align: center;
    padding: 0 2rem;
    position: relative;
    z-index: 1;
}

.logo-container {
    margin-bottom: 1rem;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: logoFloat 6s ease-in-out infinite;
}

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

.main-logo {
    max-width: 400px;
    max-height: 400px;
    width: auto;
    height: auto;
    filter: drop-shadow(0 0 30px rgba(0, 123, 255, 0.4));
    transition: all var(--transition-smooth);
}

.main-logo:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 0 50px rgba(0, 123, 255, 0.6));
}

.hero h1 {
    font-family: 'Sora', sans-serif;
    font-size: clamp(3rem, 8vw, 7rem);
    font-weight: 800;
    margin-bottom: 0.5rem;
    line-height: 1.1;
    position: relative;
    animation: slideUp var(--transition-bounce) ease-out;
}

.title-grey {
    color: var(--muted-text);
}

.hero h1 span:not(.title-grey) {
    background: var(--text-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero .subtitle {
    font-size: 1.2rem;
    color: var(--electric-blue);
    margin-bottom: 0.75rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    animation: slideUp var(--transition-bounce) ease-out 0.2s both;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 1.25rem;
    color: var(--foreground);
    max-width: 48rem;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
    animation: slideUp var(--transition-bounce) ease-out 0.4s both;
}

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

.hero-buttons {
    display: flex;
    gap: 1.25rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: slideUp var(--transition-bounce) ease-out 0.6s both;
    margin-top: 0.25rem;
}

/* Subtle section delimiters without breaking the global gradient */
.about, .upload-section, .buy-section, .team {
    border-top: 1px solid rgba(45, 55, 72, 0.25);
    box-shadow: inset 0 12px 24px rgba(0, 0, 0, 0.08);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    border: none;
    border-radius: 1rem;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-smooth);
    position: relative;
    overflow: hidden;
    text-transform: none;
    letter-spacing: normal;
}

.btn-primary {
    background: var(--electric-blue);
    color: white;
    box-shadow: var(--glow-primary);
}

.btn-primary:hover {
    background: var(--electric-blue-hover);
    transform: translateY(-2px);
    box-shadow: var(--glow-hover);
}

.btn-secondary {
    background: rgba(20, 27, 38, 0.8);
    color: var(--foreground);
    border: 1px solid var(--border);
    backdrop-filter: blur(12px);
}

.btn-secondary:hover {
    background: rgba(20, 27, 38, 0.9);
    border-color: var(--electric-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lift);
}

/* Container and Sections */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
    padding-top: 3rem;
}

.section-header h2 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    background: var(--text-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.35rem;
    color: var(--foreground);
    max-width: 42rem;
    margin: 0 auto;
    line-height: 1.7;
}

.section-bullets {
    list-style: none;
    padding: 0;
    margin: 0 auto 1rem auto;
    max-width: 42rem;
    color: var(--foreground);
    text-align: left;
}
.section-bullets li {
    position: relative;
    padding-left: 1.75rem;
    margin: 0.4rem 0;
    font-size: 1.1rem;
    line-height: 1.6;
}
.section-bullets li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6em;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--electric-blue);
    box-shadow: 0 0 10px rgba(0,123,255,0.6);
}

/* Make Upload & Analyze copy read cleanly */
#try-it .section-header {
    text-align: center;
}
#try-it .section-header h2 {
    margin-bottom: 0.75rem;
}
#try-it .section-header .section-lead,
#try-it .section-header .email-note {
    text-align: center;
    max-width: 64rem;
    margin-left: auto;
    margin-right: auto;
}
#try-it .section-header .section-lead {
    font-size: 1.5rem;
    line-height: 1.7;
}
#try-it .section-header .email-note {
    margin-top: 0.75rem;
    font-size: 1.25rem;
    color: var(--muted-text);
}

/* About Section */
.about {
    padding: 6rem 0;
    background: transparent;
    position: relative;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.feature-card {
    background: var(--card-gradient);
    padding: 2.5rem 2rem;
    border-radius: 2rem;
    text-align: center;
    border: 1px solid rgba(45, 55, 72, 0.5);
    position: relative;
    transition: all var(--transition-smooth);
    backdrop-filter: blur(12px);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-card);
    border-color: var(--electric-blue);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--text-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
    transition: all var(--transition-smooth);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1);
    box-shadow: var(--glow-primary);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--foreground);
    font-weight: 600;
}

.feature-card p {
    color: var(--foreground);
    font-size: 1.1rem;
    line-height: 1.7;
}

/* Try It Section */
.upload-section {
    background: transparent;
    padding: 6rem 0;
    position: relative;
}

.upload-container {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.upload-area {
    border: 2px dashed var(--electric-blue);
    border-radius: 2rem;
    padding: 3rem 2rem;
    margin: 2rem 0;
    cursor: pointer;
    background: var(--card-gradient);
    transition: all var(--transition-smooth);
    position: relative;
    backdrop-filter: blur(12px);
}

.upload-area:hover {
    border-color: var(--electric-blue-glow);
    transform: translateY(-4px);
    box-shadow: var(--glow-primary);
}

.upload-icon {
    font-size: 3rem;
    color: var(--electric-blue);
    margin-bottom: 1.5rem;
    transition: all var(--transition-smooth);
}

.upload-area:hover .upload-icon {
    transform: scale(1.1);
    color: var(--electric-blue-glow);
}

.upload-text h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--foreground);
    font-weight: 600;
}

.upload-text p {
    color: var(--foreground);
    font-size: 1.1rem;
}

.email-note {
    margin-top: 0.75rem;
    color: var(--muted-text);
    font-size: 1rem;
}

.file-input {
    padding: 1rem 1.5rem;
    border-radius: 1rem;
    border: 1px solid var(--border);
    background: var(--card-bg);
    color: var(--foreground);
    font-size: 1rem;
    width: 300px;
    transition: all var(--transition-smooth);
}

.file-input:focus {
    outline: none;
    border-color: var(--electric-blue);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

.upload-buttons {
    margin: 2rem 0;
}

.upload-btn {
    background: var(--electric-blue);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 1rem;
    font-weight: 600;
    cursor: pointer;
    margin: 0.5rem;
    font-size: 1rem;
    transition: all var(--transition-smooth);
    text-transform: none;
}

.upload-btn:hover {
    background: var(--electric-blue-hover);
    transform: translateY(-2px);
    box-shadow: var(--glow-primary);
}

.upload-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Upload Status Feedback */
.upload-status {
    margin: 1.5rem 0;
    animation: slideInFade 0.5s ease-out;
}

@keyframes slideInFade {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.status-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    background: var(--card-gradient);
    padding: 1rem 1.5rem;
    border-radius: 1rem;
    border: 1px solid var(--success);
    backdrop-filter: blur(12px);
    max-width: 400px;
    margin: 0 auto;
}

.status-icon {
    color: var(--success);
    font-size: 1.25rem;
    animation: checkPulse 1.5s ease-in-out infinite;
}

@keyframes checkPulse {
    0%, 100% {
        transform: scale(1);
        filter: drop-shadow(0 0 5px rgba(34, 197, 94, 0.5));
    }
    50% {
        transform: scale(1.1);
        filter: drop-shadow(0 0 10px rgba(34, 197, 94, 0.8));
    }
}

.status-text {
    color: var(--foreground);
    font-size: 1.1rem;
    font-weight: 600;
}

.video-container {
    background: var(--card-gradient);
    border-radius: 2rem;
    padding: 3rem;
    margin: 2rem 0;
    border: 1px solid rgba(45, 55, 72, 0.5);
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    backdrop-filter: blur(12px);
}

.status h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--electric-blue);
    font-weight: 600;
}

.status p {
    color: var(--foreground);
    font-size: 1.2rem;
    line-height: 1.6;
}

/* Buy Section */
.buy-section {
    background: transparent;
    padding: 6rem 0;
    position: relative;
}

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

.pricing-card {
    background: var(--card-gradient);
    border: 1px solid rgba(45, 55, 72, 0.5);
    border-radius: 2rem;
    padding: 2.5rem 2rem;
    text-align: center;
    position: relative;
    transition: all var(--transition-smooth);
    backdrop-filter: blur(12px);
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-card);
    border-color: var(--electric-blue);
}

.pricing-card.featured {
    border-color: var(--electric-blue);
    box-shadow: var(--glow-primary);
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-8px);
    box-shadow: var(--glow-hover);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--text-gradient);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 1rem;
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.plan-header h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--foreground);
    font-weight: 600;
}

.price {
    margin-bottom: 2rem;
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.25rem;
}

.currency {
    font-size: 1.25rem;
    color: var(--electric-blue);
    font-weight: 600;
}

.amount {
    font-size: 3rem;
    background: var(--text-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
    font-family: 'Inter', sans-serif;
}

.period {
    font-size: 1rem;
    color: var(--muted-text);
    font-weight: 500;
}

.savings {
    background: rgba(0, 123, 255, 0.1);
    color: var(--electric-blue);
    padding: 0.5rem 1rem;
    border-radius: 1rem;
    font-size: 0.875rem;
    font-weight: 600;
    margin-top: 1rem;
    display: inline-block;
}

.features {
    list-style: none;
    margin: 2rem 0;
    text-align: left;
}

.features li {
    padding: 0.75rem 0;
    color: var(--foreground);
    font-size: 1.05rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-bottom: 1px solid rgba(45, 55, 72, 0.3);
    transition: all var(--transition-smooth);
}

.features li:hover {
    color: var(--foreground);
    padding-left: 0.5rem;
}

.features li:last-child {
    border-bottom: none;
}

.features li i {
    color: var(--electric-blue);
    font-size: 1rem;
    width: 16px;
    transition: all var(--transition-smooth);
}

.features li:hover i {
    color: var(--electric-blue-glow);
    transform: scale(1.2);
}

.plan-btn {
    background: var(--electric-blue);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 1rem;
    font-weight: 600;
    cursor: pointer;
    font-size: 1rem;
    transition: all var(--transition-smooth);
    width: 100%;
    margin-top: 1.5rem;
    text-transform: none;
}

.plan-btn:hover {
    background: var(--electric-blue-hover);
    transform: translateY(-2px);
    box-shadow: var(--glow-primary);
}

.featured-btn {
    background: var(--electric-blue);
    box-shadow: var(--glow-primary);
}

.featured-btn:hover {
    box-shadow: var(--glow-hover);
}

/* Enterprise Plan Styles */
.pricing-card.enterprise {
    border-color: var(--electric-blue);
    box-shadow: 0 0 25px rgba(0, 123, 255, 0.2);
    background: linear-gradient(135deg, var(--card-bg) 0%, rgba(0, 123, 255, 0.05) 100%);
}

.pricing-card.enterprise:hover {
    transform: translateY(-8px);
    box-shadow: 0 0 40px rgba(0, 123, 255, 0.3);
}

.enterprise-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--text-gradient);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 1rem;
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.enterprise-price {
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-text {
    font-size: 2rem;
    background: var(--text-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    font-family: 'Inter', sans-serif;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.enterprise-btn {
    background: var(--electric-blue);
    box-shadow: 0 0 20px rgba(0, 123, 255, 0.3);
}

.enterprise-btn:hover {
    box-shadow: 0 0 30px rgba(0, 123, 255, 0.4);
}

/* Team Section */
.team {
    background: transparent;
    padding: 6rem 0;
    position: relative;
}

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

@media (max-width: 1200px) {
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.team-member {
    background: var(--card-gradient);
    padding: 2.5rem 2rem;
    border-radius: 2rem;
    text-align: center;
    border: 1px solid rgba(45, 55, 72, 0.5);
    position: relative;
    transition: all var(--transition-smooth);
    backdrop-filter: blur(12px);
}

.team-member:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-card);
    border-color: var(--electric-blue);
}

.member-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: var(--text-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
    font-weight: 800;
    font-family: 'Inter', sans-serif;
    transition: all var(--transition-smooth);
}

.team-member:hover .member-avatar {
    transform: scale(1.1);
    box-shadow: var(--glow-primary);
}

.team-member h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--foreground);
    font-weight: 600;
}

.member-role {
    color: var(--electric-blue);
    font-weight: 600;
    margin-bottom: 1rem;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.team-member p {
    color: var(--foreground);
    font-size: 1.05rem;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--electric-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all var(--transition-smooth);
    font-size: 1rem;
}

.social-link:hover {
    background: var(--electric-blue-hover);
    transform: translateY(-2px) scale(1.1);
    box-shadow: var(--glow-primary);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 { font-size: 3rem; }
    .hero .subtitle { font-size: 1rem; }
    .hero p { font-size: 1.1rem; }
    .hero-buttons { flex-direction: column; align-items: center; }
    .nav-links { display: none; }
    .section-header h2 { font-size: 2.5rem; }
    .features-grid { grid-template-columns: 1fr; }
    .team-grid { grid-template-columns: 1fr; }
    .container { padding: 0 1rem; }
    .pricing-grid { grid-template-columns: 1fr; }
    .pricing-card.featured { transform: none; }
    .pricing-card.featured:hover { transform: translateY(-8px); }
    .main-logo { max-width: 320px; max-height: 320px; }
    .nav-container { padding: 0 1rem; }
    .logo { font-size: 1.25rem; }
    .upload-area { padding: 2rem 1rem; }
    .file-input { width: 100%; max-width: 300px; }
}

@media (max-width: 480px) {
    .hero h1 { font-size: 2.5rem; }
    .hero p { font-size: 1rem; }
    .section-header h2 { font-size: 2rem; }
    .main-logo { max-width: 280px; max-height: 280px; }
    .pricing-card { padding: 2rem 1.5rem; }
    .feature-card { padding: 2rem 1.5rem; }
    .team-member { padding: 2rem 1.5rem; }
}

/* Floating Decorative Elements */
.hero::after {
    content: '';
    position: absolute;
    top: 20%;
    right: 10%;
    width: 20px;
    height: 20px;
    background: rgba(0, 123, 255, 0.1);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
    z-index: -1;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

/* Pulse Animation for CTA Buttons */
.btn-primary {
    animation: pulseGlow 2s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% { box-shadow: 0 0 20px rgba(0, 123, 255, 0.3); }
    50% { box-shadow: 0 0 40px rgba(0, 123, 255, 0.4); }
}