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

:root {
    --color-black: #000000;
    --color-gray-900: #1a1a1a;
    --color-gray-800: #2d2d2d;
    --color-gray-700: #4a4a4a;
    --color-gray-600: #6b6b6b;
    --color-gray-400: #9b9b9b;
    --color-gray-200: #e5e5e5;
    --color-gray-100: #f5f5f5;
    --color-white: #ffffff;
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-2xl: 64px;
    --spacing-3xl: 96px;
    --spacing-4xl: 128px;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow: hidden;
    height: 100%;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--color-gray-900);
    background-color: var(--color-white);
    line-height: 1.6;
    overflow: hidden;
    height: 100vh;
    width: 100vw;
}

/* Background Logo */
.background-logo {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
    pointer-events: none;
}

.logo-bg {
    width: 600px;
    height: 600px;
    object-fit: contain;
    opacity: 0.03;
    animation: pulseLogo 8s ease-in-out infinite;
}

@keyframes pulseLogo {
    0%, 100% {
        transform: scale(1);
        opacity: 0.03;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.05;
    }
}

.page-wrapper {
    height: 100vh;
    width: 100vw;
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 10;
    overflow: hidden;
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    overflow: hidden;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

.content-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    width: 100%;
    max-width: 1200px;
    animation: fadeInUp 0.8s ease-out;
}

.logo-section {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.main-logo {
    width: 100%;
    max-width: 400px;
    height: auto;
    object-fit: contain;
}

.text-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.brand-intro {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    font-weight: 600;
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-xs);
    letter-spacing: -0.01em;
}

.hero-title {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--color-black);
    margin: 0;
}

.hero-description {
    font-size: clamp(1rem, 1.5vw, 1.125rem);
    font-weight: 400;
    color: var(--color-gray-700);
    line-height: 1.6;
    margin: 0;
}

/* Download Buttons */
.download-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-top: var(--spacing-md);
}

.download-button {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background-color: var(--color-black);
    color: var(--color-white);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--color-black);
    min-width: 180px;
    justify-content: center;
}

.download-button svg {
    flex-shrink: 0;
    color: var(--color-white);
}

.download-button:hover {
    background-color: var(--color-gray-900);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.download-button:active {
    transform: translateY(0);
}

.download-button-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
}

.download-button-label {
    font-size: 0.625rem;
    font-weight: 400;
    line-height: 1.2;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.download-button-name {
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.2;
}

/* Footer */
.footer {
    padding: var(--spacing-md) 0;
    border-top: 1px solid var(--color-gray-200);
    background-color: var(--color-white);
    flex-shrink: 0;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    text-align: center;
}

.footer-text {
    font-size: 0.875rem;
    color: var(--color-gray-600);
    font-weight: 400;
}

.footer-links {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-xs);
}

.footer-link {
    font-size: 0.875rem;
    color: var(--color-gray-600);
    text-decoration: underline;
    display: inline-block;
    transition: color 0.2s ease;
}

.footer-link:hover {
    color: var(--color-gray-900);
}

.footer-separator {
    font-size: 0.875rem;
    color: var(--color-gray-400);
    margin: 0 var(--spacing-xs);
}

/* AGB Modal */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    overflow-y: auto;
    padding: var(--spacing-lg);
    animation: fadeIn 0.3s ease-out;
}

.modal-overlay.active {
    display: flex;
    align-items: flex-start;
    justify-content: center;
}

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

.modal-content {
    background-color: var(--color-white);
    border-radius: 12px;
    max-width: 800px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    padding: var(--spacing-xl);
    margin: var(--spacing-xl) auto;
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--color-gray-600);
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s ease;
    line-height: 1;
    padding: 0;
}

.modal-close:hover {
    background-color: var(--color-gray-100);
    color: var(--color-gray-900);
}

.modal-title {
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: var(--spacing-xl);
    padding-right: var(--spacing-xl);
    letter-spacing: -0.02em;
}

.agb-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.agb-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.agb-section h3 {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    font-weight: 600;
    color: var(--color-black);
    margin: 0;
    letter-spacing: -0.01em;
}

.agb-section h4 {
    font-size: clamp(1rem, 1.75vw, 1.125rem);
    font-weight: 600;
    color: var(--color-gray-900);
    margin: var(--spacing-sm) 0 var(--spacing-xs) 0;
    letter-spacing: -0.01em;
}

.agb-section p {
    font-size: clamp(0.9375rem, 1.5vw, 1rem);
    color: var(--color-gray-700);
    line-height: 1.7;
    margin: 0;
}

.agb-section ul {
    margin: var(--spacing-xs) 0;
    padding-left: var(--spacing-lg);
    color: var(--color-gray-700);
    font-size: clamp(0.9375rem, 1.5vw, 1rem);
    line-height: 1.7;
}

.agb-section li {
    margin-bottom: var(--spacing-xs);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 968px) {
    .content-layout {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }

    .logo-section {
        padding: var(--spacing-md);
    }

    .main-logo {
        max-width: 250px;
    }

    .text-section {
        align-items: center;
    }

    .download-buttons {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .main-content {
        padding: var(--spacing-md);
    }

    .content-layout {
        gap: var(--spacing-lg);
    }

    .main-logo {
        max-width: 200px;
    }

    .hero-title {
        font-size: clamp(1.75rem, 6vw, 2.5rem);
    }

    .hero-description {
        font-size: clamp(0.875rem, 2vw, 1rem);
    }

    .brand-intro {
        font-size: clamp(1rem, 2.5vw, 1.25rem);
    }

    .download-buttons {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-sm);
    }

    .download-button {
        width: 100%;
        max-width: 280px;
        margin: 0 auto;
        padding: var(--spacing-xs) var(--spacing-md);
    }

    .logo-bg {
        width: 400px;
        height: 400px;
    }

    .footer {
        padding: var(--spacing-sm) 0;
    }
}

@media (max-width: 480px) {
    .main-content {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .content-layout {
        gap: var(--spacing-md);
    }

    .main-logo {
        max-width: 150px;
    }

    .footer-container {
        padding: 0 var(--spacing-md);
    }

    .food-icon {
        font-size: 1.5rem;
        opacity: 0.05;
    }

    .logo-bg {
        width: 300px;
        height: 300px;
    }

    .modal-content {
        padding: var(--spacing-lg);
        margin: var(--spacing-md);
        max-height: 95vh;
    }

    .modal-title {
        font-size: 1.5rem;
        margin-bottom: var(--spacing-lg);
        padding-right: var(--spacing-lg);
    }

    .modal-close {
        top: var(--spacing-sm);
        right: var(--spacing-sm);
    }

    .footer-links {
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    .footer-separator {
        display: none;
    }
}

/* Food Elements */
.food-elements {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
}

.food-icon {
    position: absolute;
    font-size: 2rem;
    opacity: 0.08;
    animation: floatFood 20s infinite ease-in-out;
    user-select: none;
}

.food-icon-1 {
    top: 15%;
    left: 10%;
    animation-delay: 0s;
}

.food-icon-2 {
    top: 25%;
    right: 15%;
    animation-delay: 2s;
    font-size: 1.8rem;
}

.food-icon-3 {
    top: 50%;
    left: 8%;
    animation-delay: 4s;
    font-size: 2.2rem;
}

.food-icon-4 {
    top: 60%;
    right: 12%;
    animation-delay: 6s;
    font-size: 1.6rem;
}

.food-icon-5 {
    top: 75%;
    left: 15%;
    animation-delay: 8s;
    font-size: 2rem;
}

.food-icon-6 {
    top: 35%;
    right: 8%;
    animation-delay: 10s;
    font-size: 1.9rem;
}

@keyframes floatFood {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    25% {
        transform: translate(20px, -30px) rotate(5deg);
    }
    50% {
        transform: translate(-15px, -20px) rotate(-5deg);
    }
    75% {
        transform: translate(10px, -40px) rotate(3deg);
    }
}

/* Ensure content is above food elements */
.page-wrapper {
    position: relative;
    z-index: 10;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .food-icon {
        animation: none;
    }
}