@font-face {
    font-family: 'CeraPro';
    src: url('CeraPro-Black.woff2') format('woff2'),
        url('CeraPro-Black.ttf') format('truetype');
    font-weight: 900;
    font-style: normal;
}

@font-face {
    font-family: 'CeraPro';
    src: url('CeraPro-Regular.woff2') format('woff2'),
        url('CeraPro-Regular.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
}

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

:root {
    --bg-primary: #000000;
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --accent: #d4af37;
    --accent-glow: rgba(212, 175, 55, 0.3);
    --glass-bg: rgba(0, 0, 0, 0.5);
    --glass-border: rgba(255, 255, 255, 0.1);
}

html,
body {
    height: 100%;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    overflow: hidden;
}

body {
    background-image: url('tokyo.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
}

.background-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg,
            rgba(0, 0, 0, 0.85) 0%,
            rgba(0, 0, 0, 0.95) 50%,
            rgba(0, 0, 0, 0.85) 100%);
    z-index: 1;
}

.grid-background {
    position: fixed;
    opacity: 0.5;
    top: 0;
    left: 0;
    width: 200%;
    height: 200%;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 100px 100px;
    z-index: 1;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% {
        transform: translate(0, 0);
    }

    100% {
        transform: translate(-80px, -80px);
    }
}

.container {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 2rem;
}

.content {
    text-align: center;
    max-width: 600px;
}

.logo-section {
    margin-bottom: 2rem;
}

.logo-icon {
    width: 120px;
    height: 120px;
    margin-bottom: 1rem;
    border-radius: 24px;
}

.logo {
    font-family: 'CeraPro', sans-serif;
    font-size: clamp(2.5rem, 9vw, 5rem);
    font-weight: 900;
    /* letter-spacing: 0.05em; */
    /* text-transform: uppercase; */
    background: linear-gradient(135deg, #ffffff 0%, #bfb699 50%, #ffffff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-wrapper {
    position: relative;
    display: inline-block;
}

.logo-dot {
    font-family: 'CeraPro', sans-serif;

    position: absolute;
    font-size: clamp(2.5rem, 9vw, 5rem);
    top: 0;
    left: 0;
    font-family: 'CeraPro', sans-serif;
    font-weight: 900;
    color: transparent;
    -webkit-text-fill-color: transparent;
    background: none;
}

.red-dot {
    position: relative;
}

.red-dot::before {
    content: '';
    position: absolute;
    top: 0.025em;
    left: 50%;
    transform: translateX(-50%);
    width: 0.215em;
    height: 0.215em;
    background: #ff3b30;
    border-radius: 50%;
    font-family: 'CeraPro', sans-serif;

}

.tagline {
    display: block;
    font-family: 'CeraPro', sans-serif;
    font-size: clamp(1.2rem, 4vw, 1.6rem);
    font-weight: 400;
    /* letter-spacing: 0.05em; */
    /* text-transform: uppercase; */
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.divider {
    width: 80px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    margin: 2.5rem auto;
    opacity: 0.8;
}

.social-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    font-family: 'CeraPro', sans-serif;

}

.social-link {
    display: inline-block;
    position: relative;
    overflow: hidden;
    padding: 0.4rem 0;
    background: none;
    border: none;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 2.55rem;
    font-weight: 400;
    cursor: pointer;
}

.link-text {
    display: block;
    position: relative;
}

.link-text::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--text-primary);
}

.text-top,
.text-bottom {
    display: block;
    transition: transform 0.3s ease;
    /* padding-bottom: 3px; */
}

.text-bottom {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
}

.social-link:hover .text-top {
    transform: translateY(-100%);
}

.social-link:hover .text-bottom {
    transform: translateY(-100%);
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .container {
        padding: 1.5rem;
    }

    .logo {
        font-size: clamp(2rem, 12vw, 3.5rem);
    }

    .tagline {
        font-size: clamp(1rem, 4vw, 1.4rem);
    }

    .social-links {
        gap: 1rem;
    }

    .social-link {
        font-size: clamp(1.8rem, 8vw, 2.2rem);
    }

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

    .divider {
        margin: 2rem auto;
    }

    .grid-background {
        background-size: 60px 60px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 1rem;
    }

    .logo {
        font-size: clamp(1.8rem, 14vw, 2.5rem);
    }

    .social-link {
        font-size: clamp(1.5rem, 7vw, 1.8rem);
    }

    .logo-icon {
        width: 80px;
        height: 80px;
        border-radius: 18px;
    }
}