/* ===================================
   CSS Variables
   =================================== */
:root {
    --primary-purple: #a855f7;
    --primary-pink: #ec4899;
    --dark-purple: #7c3aed;
    --light-purple: #c084fc;
    --text-white: #ffffff;
    --text-light: #f3f4f6;
    --glass-bg: rgba(255, 255, 255, 0.15);
    --glass-border: rgba(255, 255, 255, 0.3);
    --shadow: rgba(0, 0, 0, 0.2);
}

/* ===================================
   Global Styles
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-white);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 25%, #f093fb 50%, #f5576c 75%, #feca57 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

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

/* ===================================
   Hero Section
   =================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    text-align: center;
}

/* Profile Image with Rainbow Border */
.profile-image-wrapper {
    position: relative;
    width: 200px;
    height: 200px;
    margin: 0 auto 30px;
}

.profile-image {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid transparent;
    background: linear-gradient(white, white) padding-box,
                linear-gradient(45deg, 
                    #ff0000 0%, 
                    #ff7f00 14%, 
                    #ffff00 28%, 
                    #00ff00 42%, 
                    #0000ff 57%, 
                    #4b0082 71%, 
                    #9400d3 85%, 
                    #ff0000 100%) border-box;
    box-shadow: 0 0 30px rgba(255, 255, 255, 0.5);
}

@keyframes rainbowRotate {
    0% { filter: hue-rotate(0deg); }
    100% { filter: hue-rotate(360deg); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Main Title */
.main-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 15px;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.3);
}

/* Subtitle */
.subtitle {
    font-size: 1.1rem;
    font-weight: 400;
    margin-bottom: 40px;
    opacity: 0.95;
}

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

/* ===================================
   SNS Card (Glass Morphism)
   =================================== */
.sns-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 2px solid var(--glass-border);
    border-radius: 20px;
    padding: 40px 30px;
    max-width: 500px;
    margin: 0 auto;
    box-shadow: 0 8px 32px var(--shadow);
}

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

/* SNS Grid */
.sns-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

/* SNS Links */
.sns-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px 10px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    text-decoration: none;
    color: var(--text-white);
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.sns-link:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(255, 255, 255, 0.3);
}

.sns-link i {
    font-size: 2rem;
    margin-bottom: 8px;
}

.sns-link span {
    font-size: 0.9rem;
    font-weight: 500;
}

/* ===================================
   Profile Section
   =================================== */
.profile-section {
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    padding: 80px 20px;
}

.section-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 40px;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.5);
}

.profile-content {
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

.profile-content p {
    margin-bottom: 20px;
    font-size: 1.05rem;
    opacity: 0.95;
}

/* ===================================
   Music Section
   =================================== */
.music-section {
    padding: 80px 20px;
}

.music-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.music-embed {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 2px solid var(--glass-border);
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 8px 32px var(--shadow);
}

.music-embed h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    font-weight: 600;
}

.music-embed iframe {
    width: 100%;
    border-radius: 10px;
}

.embed-placeholder {
    text-align: center;
    padding: 40px 20px;
    opacity: 0.7;
    font-style: italic;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: rgba(0, 0, 0, 0.5);
    padding: 30px 20px;
    text-align: center;
}

.footer p {
    font-size: 0.95rem;
    opacity: 0.8;
}

/* ===================================
   Contact Section
   =================================== */
.contact-section {
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    padding: 80px 20px;
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact-text {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.95;
}

.contact-button {
    display: inline-block;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-white);
    text-decoration: none;
    padding: 18px 45px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 2px solid var(--glass-border);
    border-radius: 50px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px var(--shadow);
}

.contact-button:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(255, 255, 255, 0.3);
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 768px) {
    .main-title {
        font-size: 1.5rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    .sns-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .sns-card {
        padding: 30px 20px;
    }
    
    .profile-image-wrapper {
        width: 150px;
        height: 150px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .music-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-button {
        font-size: 1rem;
        padding: 14px 35px;
    }
}

@media (max-width: 480px) {
    .main-title {
        font-size: 1.3rem;
    }
    
    .subtitle {
        font-size: 0.9rem;
    }
    
    .sns-link {
        padding: 15px 8px;
    }
    
    .sns-link i {
        font-size: 1.5rem;
    }
    
    .sns-link span {
        font-size: 0.8rem;
    }
    
    .profile-content p {
        font-size: 1rem;
    }
    
    .contact-text {
        font-size: 1rem;
    }
    
    .contact-button {
        font-size: 0.95rem;
        padding: 12px 30px;
    }
}

/* ===================================
   Smooth Scrolling
   =================================== */
html {
    scroll-behavior: smooth;
}

/* ===================================
   Selection Color
   =================================== */
::selection {
    background: var(--primary-purple);
    color: var(--text-white);
}

::-moz-selection {
    background: var(--primary-purple);
    color: var(--text-white);
}