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

:root {
    --atomic-primary: #2196f3;
    --atomic-secondary: #1976d2;
    --atomic-accent: #00bcd4;
    --atomic-dark: #0d47a1;
    --atomic-light: #bbdefb;
    --atomic-text-primary: #212121;
    --atomic-text-secondary: #757575;
    --atomic-text-light: #ffffff;
    --atomic-bg-light: #fafafa;
    --atomic-bg-white: #ffffff;
    --atomic-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --atomic-shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --atomic-glow: 0 0 40px rgba(33, 150, 243, 0.3);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    color: var(--atomic-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    background: var(--atomic-bg-white);
}

.atomic-hero {
min-height: 100vh;
    background: linear-gradient(135deg, #F44336 0%, #1976d2 50%, #FF9800 100%);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 80px 20px;
    -webkit-font-smoothing: antialiased;
}

.atomic-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(0, 188, 212, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.08) 0%, transparent 60%);
}

.atomic-hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: linear-gradient(to top, rgba(255, 255, 255, 0.1), transparent);
    backdrop-filter: blur(10px);
}

.atomic-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

.atomic-hero-content {
    text-align: center;
}

.atomic-logo {
    width: 180px;
    height: 180px;
    margin: 0 auto 40px;
    animation: atomic-float 3s ease-in-out infinite, atomic-glow-pulse 2s ease-in-out infinite;
    filter: drop-shadow(0 8px 24px rgba(0, 0, 0, 0.3)) drop-shadow(0 0 60px rgba(33, 150, 243, 0.6));
    transition: transform 0.3s ease;
}

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

@keyframes atomic-float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

@keyframes atomic-glow-pulse {
    0%, 100% { filter: drop-shadow(0 8px 24px rgba(0, 0, 0, 0.3)) drop-shadow(0 0 60px rgba(33, 150, 243, 0.6)); }
    50% { filter: drop-shadow(0 8px 24px rgba(0, 0, 0, 0.3)) drop-shadow(0 0 80px rgba(33, 150, 243, 0.9)); }
}

.atomic-title {
    font-size: 72px;
    font-weight: 700;
    color: var(--atomic-text-light);
    margin-bottom: 24px;
    letter-spacing: -2px;
    text-shadow: 0 4px 16px rgba(0, 0, 0, 0.2), 0 0 40px rgba(255, 255, 255, 0.1);
    animation: atomic-slide-up 0.8s ease-out;
    background: linear-gradient(135deg, #ffffff 0%, #e3f2fd 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

@keyframes atomic-slide-up {
    from { 
        opacity: 0; 
        transform: translateY(30px);
        filter: blur(10px);
    }
    to { 
        opacity: 1; 
        transform: translateY(0);
        filter: blur(0);
    }
}

.atomic-subtitle {
    font-size: 24px;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 48px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    animation: atomic-slide-up 0.8s ease-out 0.2s both;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.atomic-cta {
    display: inline-flex;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
    animation: atomic-slide-up 0.8s ease-out 0.4s both;
}

.atomic-btn {
    padding: 16px 48px;
    font-size: 18px;
    font-weight: 600;
    border-radius: 50px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.atomic-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.atomic-btn:hover::before {
    width: 300px;
    height: 300px;
}

.atomic-btn-primary {
    background: var(--atomic-text-light);
    color: var(--atomic-primary);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15), 0 0 40px rgba(255, 255, 255, 0.2);
}

.atomic-btn-primary:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.25), 0 0 60px rgba(255, 255, 255, 0.3);
}

.atomic-btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--atomic-text-light);
    border: 2px solid var(--atomic-text-light);
    backdrop-filter: blur(10px);
}

.atomic-btn-secondary:hover {
    background: var(--atomic-text-light);
    color: var(--atomic-primary);
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 16px 40px rgba(255, 255, 255, 0.3);
}

.atomic-content {
    padding: 120px 20px;
    background: linear-gradient(180deg, var(--atomic-bg-white) 0%, var(--atomic-bg-light) 50%, var(--atomic-bg-white) 100%);
    position: relative;
}

.atomic-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--atomic-primary), transparent);
}

.atomic-section-title {
    font-size: 48px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 24px;
    color: var(--atomic-text-primary);
    background: linear-gradient(135deg, var(--atomic-primary) 0%, var(--atomic-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    display: inline-block;
    width: 100%;
}

.atomic-section-title::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--atomic-primary), var(--atomic-accent));
    border-radius: 2px;
}

.atomic-section-subtitle {
    font-size: 20px;
    text-align: center;
    color: var(--atomic-text-secondary);
    margin-bottom: 80px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.atomic-description {
max-width: 900px;
    margin: 0 auto 80px;
    font-size: 18px;
    line-height: 1.4;
    color: #2d2d2d;
    text-align: center;
    background: var(--atomic-bg-white);
    padding: 48px;
    border-radius: 24px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(33, 150, 243, 0.1);
    position: relative;
    overflow: hidden;
}

.atomic-description::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--atomic-primary), var(--atomic-accent), var(--atomic-primary));
    background-size: 200% 100%;
    animation: atomic-gradient-shift 3s linear infinite;
}

@keyframes atomic-gradient-shift {
    0% { background-position: 0% 0%; }
    100% { background-position: 200% 0%; }
}

.atomic-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    margin-bottom: 80px;
}

.atomic-feature-card {
    background: var(--atomic-bg-white);
    padding: 20px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
}

.atomic-feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--atomic-primary), var(--atomic-accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.atomic-feature-card:hover::before {
    transform: scaleX(1);
}

.atomic-feature-card::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, rgba(33, 150, 243, 0.05), transparent);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
    border-radius: 50%;
}

.atomic-feature-card:hover::after {
    width: 400px;
    height: 400px;
}

.atomic-feature-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 20px 60px rgba(33, 150, 243, 0.15);
    border-color: rgba(33, 150, 243, 0.2);
}

.atomic-feature-icon {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, var(--atomic-primary), var(--atomic-accent));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    font-size: 36px;
    color: var(--atomic-text-light);
    box-shadow: 0 8px 24px rgba(33, 150, 243, 0.3);
    transition: all 0.4s ease;
    position: relative;
    z-index: 1;
}

.atomic-feature-card:hover .atomic-feature-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 12px 32px rgba(33, 150, 243, 0.4);
}

.atomic-feature-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--atomic-text-primary);
    transition: color 0.3s ease;
    position: relative;
    z-index: 1;
}

.atomic-feature-card:hover .atomic-feature-title {
    color: var(--atomic-primary);
}

.atomic-feature-text {
    font-size: 14px;
    line-height: 1.2;
    color: var(--atomic-text-secondary);
    position: relative;
    z-index: 1;
}

.atomic-tech-stack {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    padding: 60px 0;
}

.atomic-tech-badge {
    background: linear-gradient(135deg, var(--atomic-primary), var(--atomic-accent));
    color: var(--atomic-text-light);
    padding: 6px 20px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 14px;
    box-shadow: 0 4px 16px rgba(33, 150, 243, 0.2);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.atomic-tech-badge::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;
}

.atomic-tech-badge:hover::before {
    left: 100%;
}

.atomic-tech-badge:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 8px 24px rgba(33, 150, 243, 0.4);
    border-color: rgba(255, 255, 255, 0.3);
}

.atomic-footer {
    background: linear-gradient(135deg, var(--atomic-dark) 0%, var(--atomic-primary) 100%);
    padding: 80px 20px 40px;
    color: var(--atomic-text-light);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.atomic-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(0, 188, 212, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.atomic-footer-brand {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 16px;
    background: linear-gradient(135deg, #ffffff 0%, #e3f2fd 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    z-index: 1;
}

.atomic-footer-tagline {
    font-size: 18px;
    margin-bottom: 40px;
    opacity: 0.9;
    position: relative;
    z-index: 1;
}

.atomic-footer-links {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    margin-bottom: 40px;
    position: relative;
    z-index: 1;
}

.atomic-footer-link {
    color: var(--atomic-text-light);
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 8px 16px;
    border-radius: 8px;
    position: relative;
}

.atomic-footer-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--atomic-text-light);
    transition: width 0.3s ease;
}

.atomic-footer-link:hover::after {
    width: 80%;
}

.atomic-footer-link:hover {
    background: rgba(255, 255, 255, 0.1);
}

.atomic-footer-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    margin: 40px auto;
    max-width: 600px;
}

.atomic-footer-copy {
    font-size: 14px;
    opacity: 0.8;
    position: relative;
    z-index: 1;
}

.atomic-footer-developer {
    margin-top: 16px;
    font-size: 14px;
    position: relative;
    z-index: 1;
}

.atomic-footer-developer a {
    color: var(--atomic-text-light);
    text-decoration: none;
    font-weight: 600;
    border-bottom: 2px solid var(--atomic-text-light);
    transition: all 0.3s ease;
    padding-bottom: 2px;
}

.atomic-footer-developer a:hover {
    border-bottom-color: var(--atomic-accent);
    color: var(--atomic-accent);
}

@media (max-width: 768px) {
    .atomic-title {
        font-size: 48px;
    }
    
    .atomic-subtitle {
        font-size: 18px;
    }
    
    .atomic-hero {
        padding: 60px 20px;
    }
    
    .atomic-logo {
        width: 120px;
        height: 120px;
    }
    
    .atomic-content {
        padding: 80px 0px;
    }
    
    .atomic-section-title {
        font-size: 36px;
    }
    
    .atomic-description {
        padding: 32px 24px;
        font-size: 16px;
    }
    
    .atomic-features {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .atomic-cta {
        flex-direction: column;
        width: 100%;
    }
    
    .atomic-btn {
        width: 100%;
        justify-content: center;
    }
    
    .atomic-footer-links {
        gap: 24px;
    }
}

@media (max-width: 480px) {
    .atomic-title {
        font-size: 36px;
        letter-spacing: -1px;
    }
    
    .atomic-subtitle {
        font-size: 16px;
    }
    
    .atomic-section-title {
        font-size: 28px;
    }
    
    .atomic-footer-brand {
        font-size: 28px;
    }
}

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