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

:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --accent-color: #60a5fa;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --bg-gradient-start: #f8fafc;
    --bg-gradient-end: #e0f2fe;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    background: linear-gradient(135deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
    min-height: 100vh;
    overflow: hidden;
    color: var(--text-primary);
}

/* Container - Full Width and Height */
.container {
    width: 100vw;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

/* Content Area */
.content {
    text-align: center;
    max-width: 100%;
    animation: fadeInUp 1s ease-out;
    position: relative;
    z-index: 10;
}

/* Logo Styling */
.logo-container {
    margin-bottom: 2.5rem;
    animation: fadeIn 1.2s ease-out;
}

.logo {
    max-width: 280px;
    width: 100%;
    height: auto;
    filter: drop-shadow(0 10px 30px rgba(37, 99, 235, 0.2));
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

/* Typography */
.title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    line-height: 1.2;
    animation: fadeInUp 1.4s ease-out;
    letter-spacing: -0.02em;
}

.description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto 3rem;
    line-height: 1.6;
    animation: fadeInUp 1.6s ease-out;
}

/* Animated Pulse Circles */
.animation-wrapper {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
    pointer-events: none;
}

.pulse-circle {
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    border: 2px solid var(--accent-color);
    opacity: 0;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: pulse 3s ease-out infinite;
}

.pulse-delay-1 {
    animation-delay: 1s;
}

.pulse-delay-2 {
    animation-delay: 2s;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

@keyframes pulse {
    0% {
        transform: translate(-50%, -50%) scale(0.5);
        opacity: 0.8;
    }
    50% {
        opacity: 0.3;
    }
    100% {
        transform: translate(-50%, -50%) scale(2);
        opacity: 0;
    }
}

/* Mobile First - Small Devices */
@media (min-width: 640px) {
    .container {
        padding: 2rem;
    }
    
    .logo {
        max-width: 320px;
    }
    
    .title {
        font-size: 2.5rem;
    }
    
    .description {
        font-size: 1.25rem;
    }
    
    .pulse-circle {
        width: 400px;
        height: 400px;
    }
}

/* Tablets and Up */
@media (min-width: 768px) {
    .logo {
        max-width: 380px;
    }
    
    .title {
        font-size: 3rem;
        margin-bottom: 2rem;
    }
    
    .description {
        font-size: 1.375rem;
        max-width: 600px;
    }
    
    .pulse-circle {
        width: 500px;
        height: 500px;
    }
}

/* Desktop */
@media (min-width: 1024px) {
    .logo {
        max-width: 450px;
    }
    
    .title {
        font-size: 3.5rem;
    }
    
    .description {
        font-size: 1.5rem;
        max-width: 700px;
    }
    
    .pulse-circle {
        width: 600px;
        height: 600px;
    }
}

/* Large Screens */
@media (min-width: 1280px) {
    .logo {
        max-width: 500px;
    }
    
    .title {
        font-size: 4rem;
    }
    
    .pulse-circle {
        width: 700px;
        height: 700px;
    }
}

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