/* CSS Variables for Theming based on Google's colors */
:root {
    --google-blue: #4285f4;
    --google-green: #34a853;
    --google-yellow: #f9ab00;
    --google-red: #ea4335;
    
    /* Light Theme */
    --light-bg: #f8f9fa;
    --light-card-bg: #ffffff;
    --light-text: #202124;
    --light-text-secondary: #5f6368;
    --light-border: #dadce0;
    --light-shadow: 0 4px 6px rgba(32, 33, 36, 0.08);

    /* Dark Theme */
    --dark-bg: #1e1e1e;
    --dark-card-bg: #2d2d2d;
    --dark-text: #e8eaed;
    --dark-text-secondary: #9aa0a6;
    --dark-border: #3c4043;
    --dark-shadow: 0 4px 8px rgba(0, 0, 0, 0.25);

    /* Default Theme (Light) */
    --bg-color: var(--light-bg);
    --card-bg-color: var(--light-card-bg);
    --text-color: var(--light-text);
    --text-secondary-color: var(--light-text-secondary);
    --border-color: var(--light-border);
    --shadow: var(--light-shadow);
    --transition-speed: 0.3s;
}

.dark-mode {
    --bg-color: var(--dark-bg);
    --card-bg-color: var(--dark-card-bg);
    --text-color: var(--dark-text);
    --text-secondary-color: var(--dark-text-secondary);
    --border-color: var(--dark-border);
    --shadow: var(--dark-shadow);
}

/* General Body Styles */
body {
    font-family: 'Google Sans', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
    transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
}

/* Main Container */
.container {
    width: 100%;
    max-width: 680px;
    text-align: center;
    animation: fadeIn 0.8s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Theme Toggle Switch */
.theme-switch {
    display: inline-block;
    height: 24px;
    position: relative;
    width: 44px;
}

.theme-switch input {
    display: none;
}

.slider {
    background-color: #ccc;
    bottom: 0;
    cursor: pointer;
    left: 0;
    position: absolute;
    right: 0;
    top: 0;
    transition: .4s;
    border-radius: 34px;
}

.slider:before {
    background-color: #fff;
    bottom: 2px;
    content: "";
    height: 20px;
    left: 2px;
    position: absolute;
    transition: .4s;
    width: 20px;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--google-blue);
}

input:checked + .slider:before {
    transform: translateX(20px);
}

/* Banner and Profile Image */
.profile-header {
    background-color: var(--card-bg-color);
    border-radius: 16px;
    padding-bottom: 50px;
    position: relative;
    margin-bottom: 70px; /* Space for the profile picture */
    box-shadow: var(--shadow);
    transition: background-color var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.banner {
    width: 100%;
    /* Using padding-bottom to maintain aspect ratio (499 / 1440 * 100) */
    padding-bottom: 34.65%; 
    height: 0;
    background-color: #e0e0e0;
    /* Replace with your banner image URL */
    background-image: url(banner.png);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    border-radius: 16px 16px 0 0;
}

.profile-picture {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background-color: var(--light-bg);
    border: 5px solid var(--bg-color);
    position: absolute;
    bottom: -50px; /* Halfway out */
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    justify-content: center;
    align-items: center;
    transition: border-color var(--transition-speed) ease;
    overflow: hidden; /* Ensures the image doesn't spill out */
}

.profile-picture img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* This will cover the area, cropping if necessary */
}

/* Profile Info */
.profile-info {
    padding: 20px;
}

.profile-info h1 {
    margin: 0 0 4px;
    font-size: 1.5rem;
    color: var(--text-color);
    transition: color var(--transition-speed) ease;
}

.profile-info .subtitle {
    margin: 0;
    font-size: 1rem;
    color: var(--text-secondary-color);
    transition: color var(--transition-speed) ease;
}

/* Links Section */
.links {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 20px;
}

.link-button {
    background-color: var(--card-bg-color);
    color: var(--text-color);
    text-decoration: none;
    padding: 16px 20px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-weight: 500;
    font-size: 1rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color var(--transition-speed) ease, color var(--transition-speed) ease, border-color var(--transition-speed) ease;
    position: relative;
    overflow: hidden;
    animation: slideUp 0.6s ease-out forwards;
    opacity: 0;
}

.link-button:nth-child(1) { animation-delay: 0.1s; }
.link-button:nth-child(2) { animation-delay: 0.2s; }
.link-button:nth-child(3) { animation-delay: 0.3s; }

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

.link-button:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 8px 12px rgba(32, 33, 36, 0.12);
}

.dark-mode .link-button:hover {
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
}

.link-button .icon {
    width: 24px;
    height: 24px;
}

/* Specific Link Colors on Hover */
.link-button.instagram:hover {
    background-color: #e1306c; color: white;
}
.link-button.linkedin:hover {
    background-color: #0A66C2; color: white;
}
.link-button.whatsapp:hover {
    background-color: #25D366; color: white;
}

/* Footer */
.footer {
    margin-top: 40px;
    padding: 20px 0;
    font-size: 0.875rem;
    color: var(--text-secondary-color);
    transition: color var(--transition-speed) ease;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.theme-toggle-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

#theme-mode-text {
    font-weight: 500;
    color: var(--text-secondary-color);
    transition: color var(--transition-speed) ease;
}

.copyright {
    margin: 0;
}

/* Events Section Styles */
.events-section {
    margin: 30px 0;
}

.events-section h2 {
    font-size: 1.5em;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 20px;
    text-align: center;
    background: linear-gradient(135deg, var(--google-blue), var(--google-green), var(--google-yellow), var(--google-red));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.event-card {
    background-color: var(--card-bg-color);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: all var(--transition-speed) ease;
    position: relative;
    overflow: hidden;
}

.event-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--google-blue), var(--google-green), var(--google-yellow), var(--google-red));
}

.event-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

.event-header {
    margin-bottom: 16px;
}

.event-header h3 {
    font-size: 1.4em;
    font-weight: 700;
    color: var(--text-color);
    margin: 0 0 8px 0;
    background: linear-gradient(135deg, var(--google-blue), var(--google-purple, #9c27b0));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.event-date {
    font-size: 0.9em;
    color: var(--text-secondary-color);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.event-date::before {
    content: '📅';
    font-size: 1.1em;
}

.event-description {
    color: var(--text-secondary-color);
    margin: 16px 0;
    line-height: 1.5;
    font-size: 1em;
}

.event-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 20px;
}

.event-button {
    padding: 12px 20px;
    border-radius: 24px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9em;
    transition: all var(--transition-speed) ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.event-button.primary {
    background: linear-gradient(135deg, var(--google-blue), var(--google-green));
    color: white;
    box-shadow: 0 4px 12px rgba(66, 133, 244, 0.3);
}

.event-button.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(66, 133, 244, 0.4);
    filter: brightness(1.1);
}

.event-button.secondary {
    background-color: transparent;
    color: var(--google-green);
    border: 2px solid var(--google-green);
}

.event-button.secondary:hover {
    background-color: var(--google-green);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(52, 168, 83, 0.3);
}

.event-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.event-button:hover::before {
    left: 100%;
}

/* Responsive Design for Events */
@media (max-width: 480px) {
    .event-actions {
        flex-direction: column;
    }
    
    .event-button {
        text-align: center;
        justify-content: center;
    }
    
    .events-section h2 {
        font-size: 1.3em;
    }
    
    .event-header h3 {
        font-size: 1.2em;
    }
}