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

:root {
    --black: #000000;
    --white: #ffffff;
    --gray: #666666;
    --gray-light: #e0e0e0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--white);
    color: var(--black);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    line-height: 1.6;
}

main {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

/* Hero Section */
.hero {
    text-align: center;
    margin-bottom: 24px;
}

.logo-container {
    width: 140px;
    height: 140px;
    background: var(--gray-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 0 auto;
}

.logo {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.company-name {
    font-size: 3rem;
    font-weight: bold;
    letter-spacing: 2px;
    color: var(--black);
}

.slogan {
    font-size: 1.25rem;
    color: var(--black);
    font-style: italic;
    letter-spacing: 1px;
}

/* Projects Section */
.projects {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    width: 100%;
}

.project-card {
    padding: 32px;
    text-align: center;
    transition: transform 0.3s ease;
}

/* Project Logo */
.project-logo-container {
    width: 100px;
    height: 100px;
    margin: 0 auto 20px auto;
    border-radius: 50%;
    overflow: hidden;
    background: var(--gray-light);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.project-logo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.project-card:hover .project-logo {
    transform: scale(1.1);
}

.project-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.project-description {
    font-size: 0.95rem;
    margin-bottom: 24px;
    line-height: 1.7;
}

/* Platform Icons */
.platforms {
    display: flex;
    justify-content: center;
    gap: 16px;
}

.platform-icon {
    width: 48px;
    height: 48px;
    transition: transform 0.3s ease;
    padding: 12px;
    border-radius: 50%;
    background: var(--gray-light);
    display: flex;
    align-items: center;
    justify-content: center;
}

.platform-icon:hover {
    transform: scale(1.1);
}

.platform-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* Footer */
.footer {
    text-align: center;
    padding: 30px 20px;
    border-top: 1px solid var(--gray-light);
    color: var(--gray);
    font-size: 0.9rem;
}

.footer-link {
    display: inline-block;
    margin-top: 12px;
    color: var(--gray);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: var(--gray);
}

/* Privacy Policy Page */
.privacy-page {
    padding: 40px 20px;
    max-width: 800px;
}

.back-link {
    display: inline-block;
    color: var(--black);
    text-decoration: none;
    font-size: 1rem;
    margin-bottom: 30px;
    transition: opacity 0.3s ease;
}

.back-link:hover {
    opacity: 0.6;
}

.privacy-content {
    background: var(--white);
    border-radius: 16px;
    padding: 40px;
}

.privacy-content h1 {
    font-size: 2rem;
    margin-bottom: 8px;
    color: var(--black);
}

.privacy-content .last-updated {
    color: var(--gray);
    font-size: 0.9rem;
    margin-bottom: 40px;
}

.privacy-content section {
    margin-bottom: 32px;
}

.privacy-content h2 {
    font-size: 1.25rem;
    margin-bottom: 12px;
    color: var(--black);
}

.privacy-content p {
    color: var(--gray);
    line-height: 1.8;
    margin-bottom: 12px;
}

.privacy-content ul {
    color: var(--gray);
    padding-left: 24px;
    line-height: 1.8;
}

.privacy-content li {
    margin-bottom: 8px;
}

@media (max-width: 768px) {
    .privacy-content {
        padding: 24px;
    }

    .privacy-content h1 {
        font-size: 1.5rem;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .company-name {
        font-size: 2.5rem;
    }

    .slogan {
        font-size: 1rem;
    }

    .hero {
        margin-bottom: 50px;
    }

    .logo {
        width: 100px;
        height: 100px;
    }

    .project-card {
        padding: 24px;
    }
}

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

    .projects {
        gap: 20px;
    }
}