/* styles.css */
:root {
    --primary: #7388d2;
    --primary-dark: #5a72c5;
    --primary-light: #8fa0e0;
    --secondary: #2e96a5;
    --secondary-dark: #247a87;
    --secondary-light: #3ab2c4;
    --black: #060606;
    --dark: #0f0f0f;
    --darker-gray: #1a1a1a;
    --dark-gray: #252525;
    --medium-gray: #3d3d3d;
    --white: #ffffff;
    --light-gray: #e0e0e0;
    --border: rgba(115, 136, 210, 0.3);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow: 0 15px 30px -10px rgba(0, 0, 0, 0.3);
    --card-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    --gradient: linear-gradient(135deg, #7388d2 0%, #2e96a5 100%);
    --button-radius: 4px;
    --section-radius: 8px;
}

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

/* Remove all underlines */
a {
    text-decoration: none !important;
}

body {
    background-color: var(--black);
    color: var(--white);
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Particle background */
#particles-js {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: -1;
    background-color: var(--black);
}

/* Glowing accent elements */
.accent {
    position: fixed;
    z-index: -1;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.15;
}

.accent-1 {
    width: 400px;
    height: 400px;
    background: var(--primary);
    top: -100px;
    right: -100px;
}

.accent-2 {
    width: 600px;
    height: 600px;
    background: var(--secondary);
    bottom: -200px;
    left: -200px;
}

/* Header - Glass morphism effect */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 1.5rem 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    background: rgba(15, 15, 15, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary);
    font-family: 'Montserrat', sans-serif;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-dot {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
}

.back-button {
    padding: 0.8rem 2rem;
    background: transparent;
    color: var(--white);
    border: 1px solid var(--medium-gray);
    border-radius: var(--button-radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
}

.back-button:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--primary);
}

/* Main content */
main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    margin-top: 6rem;
}

/* Application Container */
.application-container {
    width: 100%;
    max-width: 750px;
    background: var(--dark);
    border-radius: var(--section-radius);
    padding: 3rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    animation: fadeIn 0.5s ease-out;
}

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

.application-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.application-header h1 {
    font-size: 2.25rem;
    margin-bottom: 0.5rem;
    color: var(--white);
    font-family: 'Montserrat', sans-serif;
}

.application-header h1 span {
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.application-header p {
    color: var(--light-gray);
    font-size: 1.05rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Form Styles */
.application-form {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.form-section {
    background: var(--darker-gray);
    border-radius: var(--section-radius);
    padding: 1.75rem;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.form-section:hover {
    border-color: var(--primary);
}

.form-section-title {
    font-size: 1.2rem;
    margin-bottom: 1.25rem;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
    font-family: 'Montserrat', sans-serif;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

.form-group label {
    color: var(--light-gray);
    font-weight: 500;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-group label .required {
    color: var(--primary);
    font-size: 0.8rem;
    margin-left: 0.25rem;
}

.input-wrapper {
    position: relative;
}

.input-wrapper i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--medium-gray);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input, 
.form-group select,
.form-group textarea {
    background: var(--dark-gray);
    border: 1px solid var(--border);
    border-radius: var(--button-radius);
    padding: 0.85rem 1rem 0.85rem 2.75rem;
    color: var(--white);
    font-family: 'Inter', sans-serif;
    transition: var(--transition);
    width: 100%;
    font-size: 0.95rem;
}

.form-group textarea {
    min-height: 130px;
    resize: vertical;
    padding: 1rem;
    line-height: 1.5;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(115, 136, 210, 0.2);
}

.form-group input:focus + i,
.form-group select:focus + i {
    color: var(--primary);
}

.radio-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.radio-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 6px;
    transition: var(--transition);
}

.radio-option:hover {
    background: rgba(115, 136, 210, 0.1);
}

.radio-option input {
    appearance: none;
    width: 1.1rem;
    height: 1.1rem;
    border: 1px solid var(--border);
    border-radius: 50%;
    background: var(--dark-gray);
    cursor: pointer;
    position: relative;
    transition: var(--transition);
}

.radio-option input:checked {
    border-color: var(--primary);
}

.radio-option input:checked::after {
    content: '';
    position: absolute;
    width: 0.6rem;
    height: 0.6rem;
    background: var(--primary);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.radio-option label {
    color: var(--light-gray);
    cursor: pointer;
    font-size: 0.95rem;
}

.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin: 1.25rem 0;
}

.checkbox-option {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.5rem;
    border-radius: 6px;
    transition: var(--transition);
}

.checkbox-option:hover {
    background: rgba(115, 136, 210, 0.1);
}

.checkbox-option input {
    appearance: none;
    width: 1.1rem;
    height: 1.1rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: var(--dark-gray);
    cursor: pointer;
    position: relative;
    flex-shrink: 0;
    margin-top: 0.25rem;
    transition: var(--transition);
}

.checkbox-option input:checked {
    background: var(--primary);
    border-color: var(--primary);
}

.checkbox-option input:checked::after {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    color: var(--white);
    font-size: 0.7rem;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.checkbox-option label {
    color: var(--light-gray);
    font-size: 0.95rem;
    cursor: pointer;
    line-height: 1.5;
}

.checkbox-option a {
    color: var(--primary-light);
    transition: var(--transition);
    font-weight: 500;
}

.checkbox-option a:hover {
    color: var(--primary);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 0.75rem;
    margin-top: 0.75rem;
}

.skill-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem;
    border-radius: 6px;
    transition: var(--transition);
}

.skill-option:hover {
    background: rgba(115, 136, 210, 0.1);
}

.skill-option input {
    width: 1.1rem;
    height: 1.1rem;
    cursor: pointer;
}

.skill-option label {
    font-size: 0.95rem;
    color: var(--light-gray);
    cursor: pointer;
}

.time-slots {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 0.75rem;
    margin-top: 0.75rem;
}

.time-slot {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem;
    border-radius: 6px;
    transition: var(--transition);
}

.time-slot:hover {
    background: rgba(115, 136, 210, 0.1);
}

.time-slot input {
    width: 1.1rem;
    height: 1.1rem;
    cursor: pointer;
}

.time-slot label {
    font-size: 0.95rem;
    color: var(--light-gray);
    cursor: pointer;
}

.submit-btn {
    background: var(--gradient);
    color: var(--white);
    border: none;
    border-radius: var(--button-radius);
    padding: 1rem 1.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: 'Montserrat', sans-serif;
    font-size: 1.05rem;
    margin-top: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    width: 100%;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 15px rgba(115, 136, 210, 0.3);
}

.submit-btn:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary-dark) 100%);
    box-shadow: 0 8px 20px rgba(115, 136, 210, 0.4);
    transform: translateY(-2px);
}

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

footer {
    padding: 1.5rem;
    background: var(--black);
    border-top: 1px solid var(--border);
    text-align: center;
    margin-top: auto;
}

.copyright {
    color: var(--light-gray);
    font-size: 0.875rem;
}

/* Tooltip for important information */
.tooltip {
    position: relative;
    display: inline-block;
    cursor: help;
    margin-left: 0.25rem;
}

.tooltip i {
    color: var(--primary-light);
    font-size: 0.9rem;
}

.tooltip .tooltip-text {
    visibility: hidden;
    width: 200px;
    background-color: rgba(0, 0, 0, 0.9);
    color: var(--light-gray);
    text-align: center;
    border-radius: 6px;
    padding: 0.5rem;
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    transition: opacity 0.3s;
    font-size: 0.85rem;
    border: 1px solid var(--border);
}

.tooltip:hover .tooltip-text {
    visibility: visible;
    opacity: 1;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    main {
        margin-top: 5rem;
        padding: 1.5rem;
    }
    
    .application-container {
        padding: 2rem;
    }
    
    .application-header h1 {
        font-size: 2rem;
    }

    .skills-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    }

    .form-section {
        padding: 1.5rem;
    }
}

@media (max-width: 576px) {
    header {
        padding: 1rem 1.25rem;
    }
    
    .application-container {
        padding: 1.5rem;
    }
    
    .application-header h1 {
        font-size: 1.8rem;
    }

    .skills-grid, .time-slots {
        grid-template-columns: 1fr;
    }

    .back-button {
        padding: 0.6rem 1rem;
        font-size: 0.9rem;
    }
}