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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Malgun Gothic', 'Apple SD Gothic Neo', sans-serif;
    line-height: 1.6;
    color: #2c3e50;
    background: linear-gradient(180deg, #b8b8b8 0%, #d4d4d4 50%, #b8b8b8 100%);
    min-height: 100vh;
    padding-bottom: 100px;
}

/* Container */
.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px 15px;
}

/* Hero Section */
.hero-section {
    text-align: center;
    margin-bottom: 30px;
}

.profile-image {
    width: 120px;
    height: 120px;
    margin: 0 auto 20px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid #fff;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.profile-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.main-title {
    font-size: 28px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

/* Intro Text */
.intro-text {
    text-align: left;
    margin-bottom: 25px;
    line-height: 1.8;
}

.intro-paragraph {
    margin-bottom: 18px;
    font-size: 15px;
    color: #2c3e50;
}

.intro-paragraph strong {
    font-weight: 700;
    color: #1a1a1a;
}

.intro-paragraph.highlight {
    background-color: rgba(255, 255, 255, 0.4);
    padding: 12px;
    border-radius: 6px;
    font-weight: 500;
}

/* Feature List */
.feature-list {
    margin: 20px 0;
    padding-left: 5px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 12px;
    font-size: 15px;
    line-height: 1.6;
    transition: transform 0.2s ease;
}

.feature-item:hover {
    transform: translateX(5px);
}

.feature-item i {
    margin-right: 10px;
    margin-top: 3px;
    color: #2c3e50;
    flex-shrink: 0;
    transition: color 0.3s ease;
}

.feature-item:hover i {
    color: #e67e22;
}

.feature-item i.fa-diamond {
    margin-left: 8px;
    margin-right: 0;
    color: #f39c12;
}

.feature-item i.fa-rocket {
    color: #e74c3c;
}

.feature-item span {
    flex: 1;
}

/* CTA Text */
.cta-text {
    margin: 20px 0;
    font-size: 15px;
    color: #2c3e50;
    display: flex;
    align-items: center;
    gap: 8px;
}

.cta-text i {
    color: #e67e22;
    font-size: 18px;
}

/* Buttons */
.btn-primary {
    width: 100%;
    max-width: 420px;
    padding: 16px 24px;
    background: #fff;
    color: #2c3e50;
    border: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin: 0 auto;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0,0,0,0.15);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-primary .btn-icon {
    width: 28px;
    height: 28px;
    object-fit: contain;
    flex-shrink: 0;
}

/* Media Section */
.media-section {
    margin: 30px 0;
}

.media-container {
    width: 100%;
    max-width: 450px;
    margin: 0 auto;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.media-container:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

.media-container img {
    width: 100%;
    height: auto;
    display: block;
}

/* BAND Section */
.band-section {
    margin: 30px 0;
    text-align: center;
}

.btn-band {
    width: 100%;
    max-width: 420px;
    padding: 16px 24px;
    background: #fff;
    color: #2c3e50;
    border: none;
    border-radius: 50px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.btn-band:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0,0,0,0.15);
}

.btn-band:active {
    transform: translateY(0);
}

.btn-band .btn-icon {
    width: 32px;
    height: 32px;
    object-fit: contain;
    flex-shrink: 0;
}

/* Footer */
.footer {
    text-align: center;
    padding: 30px 0 20px;
}

.privacy-link {
    color: #666;
    text-decoration: none;
    font-size: 13px;
    transition: color 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.privacy-link:hover {
    color: #2c3e50;
    text-decoration: underline;
}

.privacy-link i {
    font-size: 14px;
}

/* Fixed Bottom Button */
.fixed-bottom-btn {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.05), transparent);
    padding: 15px;
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
}

.btn-fixed {
    width: 100%;
    max-width: 600px;
    padding: 16px 24px;
   
    border: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 6px 20px rgba(0,200,83,0.4);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.btn-fixed:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,200,83,0.5);
}

.btn-fixed:active {
    transform: translateY(0);
}

.btn-fixed .btn-icon {
    width: 32px;
    height: 32px;
    object-fit: contain;
    flex-shrink: 0;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 15px 12px;
    }
    
    .main-title {
        font-size: 24px;
    }
    
    .main-title i {
        font-size: 20px !important;
    }
    
    .intro-paragraph,
    .feature-item,
    .cta-text {
        font-size: 14px;
    }
    
    .btn-primary,
    .btn-band {
        font-size: 14px;
        padding: 14px 20px;
    }
    
    .btn-primary .btn-icon {
        width: 24px;
        height: 24px;
    }
    
    .btn-band .btn-icon {
        width: 28px;
        height: 28px;
    }
    
    .btn-fixed {
        font-size: 15px;
        padding: 14px 20px;
        max-width: calc(100% - 20px);
    }
    
    .btn-fixed .btn-icon {
        width: 28px;
        height: 28px;
    }
}

@media (max-width: 480px) {
    .profile-image {
        width: 100px;
        height: 100px;
    }
    
    .main-title {
        font-size: 22px;
    }
    
    .main-title i {
        font-size: 18px !important;
    }
    
    .intro-paragraph,
    .feature-item,
    .cta-text {
        font-size: 13px;
    }
    
    .btn-primary .btn-icon,
    .btn-band .btn-icon,
    .btn-fixed .btn-icon {
        width: 24px;
        height: 24px;
    }
}