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

:root {
    /* Stark-lab dark theme */
    --bg-950: #0A0F14;
    --bg-900: #0F1720;
    --panel-800: #111827;
    --panel-700: #1E293B;
    --cyan-400: #4DE2FF;
    --cyan-300: #00E5FF;
    --accent-rose: #E91E63;

    --primary-color: var(--cyan-400);
    --primary-hover: var(--cyan-300);
    --secondary-color: var(--panel-700);
    --text-primary: #FFFFFF;
    --text-secondary: #9FB0C7;
    --background: var(--bg-950);
    --background-secondary: var(--bg-900);
    --card-background: rgba(17, 24, 39, 0.6); /* glass panel */
    --card-border: rgba(148, 163, 184, 0.18);
    --border-color: rgba(148, 163, 184, 0.18);
    --shadow-sm: 0 2px 10px rgba(0, 229, 255, 0.08);
    --shadow-md: 0 8px 24px rgba(0, 229, 255, 0.12);
    --shadow-lg: 0 20px 50px rgba(0, 229, 255, 0.18);
    --border-radius: 16px;
    --radius-sm: 12px;
    --radius-lg: 24px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --blur-sm: blur(6px);
    --blur-md: blur(12px);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, 
                 Ubuntu, Cantarell, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background);
    background-image:
        radial-gradient(1200px 800px at 50% -200px, rgba(77, 226, 255, 0.08), transparent 60%),
        radial-gradient(800px 500px at 0% 0%, rgba(14, 165, 233, 0.05), transparent 60%),
        radial-gradient(800px 500px at 100% 0%, rgba(233, 30, 99, 0.04), transparent 60%),
        linear-gradient(180deg, var(--background) 0%, var(--background-secondary) 100%);
    background-attachment: fixed;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Hero Section */
.hero {
    padding: 120px 20px 80px;
    position: relative;
    overflow: hidden;
    isolation: isolate;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(600px 600px at 50% 0%, rgba(0, 229, 255, 0.12), transparent 60%),
        radial-gradient(900px 900px at 50% -10%, rgba(77, 226, 255, 0.08), transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    place-items: center;
}

.hero-card {
    width: 100%;
    max-width: 960px;
    padding: 32px;
    border-radius: var(--radius-lg);
    background: var(--card-background);
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-md);
    backdrop-filter: var(--blur-md);
    -webkit-backdrop-filter: var(--blur-md);
    transform: translateZ(0);
}

.hero-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 10px;
}

.hero-title {
    font-family: 'Exo 2', 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    font-size: clamp(2.2rem, 4.5vw, 4rem);
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 0.02em;
    text-shadow: 0 0 24px rgba(77, 226, 255, 0.25);
    animation: fadeInUp 0.8s ease-out;
}

.hero-subtitle {
    font-family: 'Exo 2', 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    font-size: clamp(1.05rem, 2vw, 1.35rem);
    color: var(--text-secondary);
    font-weight: 500;
    animation: fadeInUp 0.8s ease-out 0.2s both;
    margin-bottom: 18px;
}

/* Socials cluster */
.socials {
    display: flex;
    align-items: center;
    gap: 14px;
}

.social-link {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    border: 1px solid var(--card-border);
    background: rgba(255, 255, 255, 0.02);
    color: var(--text-primary);
    transition: var(--transition);
    box-shadow: inset 0 0 0 0 rgba(77, 226, 255, 0.0);
}

.social-link svg {
    width: 18px;
    height: 18px;
    display: block;
    fill: currentColor;
}

.social-link img {
    width: 18px;
    height: 18px;
    display: block;
    filter: drop-shadow(0 0 6px rgba(77, 226, 255, 0.2));
}

.social-link:hover {
    border-color: rgba(77, 226, 255, 0.4);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 229, 255, 0.16), inset 0 0 24px rgba(77, 226, 255, 0.08);
    color: var(--primary-color);
}

/* Toolchain chips */
.toolchips {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 12px;
}

.chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--card-border);
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.02);
    font-size: 0.9rem;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 20px;
}

/* Intro Section */
.intro {
    text-align: center;
    margin-bottom: 60px;
}

.intro h2 {
    font-family: 'Exo 2', 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
    text-shadow: 0 0 20px rgba(77, 226, 255, 0.16);
}

.intro p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Product Grid */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    margin-bottom: 80px;
}

/* Product Card */
.product-card {
    background: var(--card-background);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    animation: fadeIn 0.6s ease-out;
    backdrop-filter: var(--blur-sm);
    -webkit-backdrop-filter: var(--blur-sm);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(77, 226, 255, 0.35);
}

.card-header {
    padding: 32px 32px 24px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.app-icon {
    width: 80px;
    height: 80px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: #ffffff;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.product-card:hover .app-icon {
    transform: scale(1.05);
}

.carolcal-icon {
    background: linear-gradient(135deg, #3066E2 0%, #5B3AAE 100%);
}

.pickleball-icon {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    font-size: 3rem;
}

.paddleup-icon {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    font-size: 3rem;
}

.fitforlife-icon {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    font-size: 3rem;
}

.crittercountry-icon {
    background: linear-gradient(135deg, #30cfd0 0%, #330867 100%);
    font-size: 3rem;
}

.cackie-icon {
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    font-size: 3rem;
}

.readyplayerone-icon {
    background: linear-gradient(135deg, #ff9a56 0%, #ff6a88 100%);
    font-size: 3rem;
}

.dpgmanager-icon {
    background: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
    font-size: 3rem;
}

.music-icon {
    background: linear-gradient(135deg, #7F5DFF 0%, #FF4DE1 100%);
    font-size: 3rem;
}

.wristscore-icon {
    background: linear-gradient(135deg, #007AFF 0%, #00C6FF 100%);
    font-size: 3rem;
}

.card-badge {
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-secondary);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid var(--card-border);
}

.card-content {
    padding: 0 32px 24px;
    flex-grow: 1;
}

.card-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
    font-family: 'Exo 2', 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

.card-description {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
}

.card-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.feature-tag {
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-secondary);
    padding: 6px 12px;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid var(--card-border);
}

.card-footer {
    padding: 0 32px 32px;
}

/* Buttons */
.btn-primary {
    display: inline-block;
    background: var(--primary-color);
    color: #ffffff;
    padding: 14px 32px;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    text-align: center;
    width: 100%;
    box-shadow: 0 10px 30px rgba(0, 229, 255, 0.18);
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 16px 40px rgba(0, 229, 255, 0.28);
}

/* Secondary button style (if used) */
.btn-secondary {
    display: inline-block;
    background: rgba(255, 255, 255, 0.02);
    color: var(--text-primary);
    padding: 14px 24px;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    border: 1px solid var(--card-border);
    cursor: pointer;
    text-align: center;
}

.btn-secondary:hover {
    border-color: rgba(77, 226, 255, 0.4);
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(0, 229, 255, 0.14);
}

/* About Section */
.about {
    background: var(--card-background);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius);
    padding: 48px;
    box-shadow: var(--shadow-sm);
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    backdrop-filter: var(--blur-sm);
    -webkit-backdrop-filter: var(--blur-sm);
}

.about h2 {
    font-family: 'Exo 2', 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.about p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Footer */
.footer {
    background: rgba(255, 255, 255, 0.02);
    padding: 40px 20px;
    text-align: center;
    margin-top: 60px;
    border-top: 1px solid var(--border-color);
}

.footer-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Focus styles */
*:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
    border-radius: 10px;
}

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

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

/* Responsive Design */
@media (max-width: 768px) {
    .hero {
        padding: 80px 20px 60px;
    }

    .hero-card {
        padding: 24px;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.25rem;
    }

    .container {
        padding: 40px 20px;
    }

    .intro h2 {
        font-size: 2rem;
    }

    .intro p {
        font-size: 1.125rem;
    }

    .product-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .card-header,
    .card-content,
    .card-footer {
        padding-left: 24px;
        padding-right: 24px;
    }

    .about {
        padding: 32px 24px;
    }

    .socials {
        gap: 10px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .app-icon {
        width: 64px;
        height: 64px;
        font-size: 2rem;
    }

    .pickleball-icon {
        font-size: 2.5rem;
    }

    .card-title {
        font-size: 1.5rem;
    }
}