/* TRYNG Internship Application - Stylesheet */

:root {
    --primary-blue: #0073B8;
    --light-blue: #E3F2FD;
    --dark-blue: #003D7A;
    --text-dark: #333;
    --text-light: #666;
    --border-color: #ddd;
    --success-color: #4CAF50;
    --error-color: #f44336;
}

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

html, body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
}

/* Navigation Bar */
.navbar {
    background-color: #fff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.logo img {
    height: 50px;
}

.nav-links {
    display: flex;
    gap: 2rem;
    flex-grow: 1;
    margin-left: 3rem;
}

.nav-links a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--primary-blue);
}

.join-btn {
    background-color: var(--primary-blue);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.3s;
}

.join-btn:hover {
    background-color: var(--dark-blue);
}

/* Hero Section */
.hero {
    position: relative;
    height: 400px;
    background: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)), 
                url('https://images.unsplash.com/photo-1552664730-d307ca884978?w=1200&h=400&fit=crop') center/cover;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 300;
    margin-bottom: 0.5rem;
}

.hero h2 {
    font-size: 2.5rem;
    color: #FFD700;
    font-weight: 700;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Form Section */
.form-section {
    background-color: var(--light-blue);
    padding: 3rem 2rem;
    min-height: 100vh;
}

.form-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 2rem;
}

.form-wrapper {
    background: white;
    padding: 3rem;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.form-title {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--text-dark);
    text-align: center;
}

/* Step Indicator */
.step-indicator {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 2rem;
    gap: 1rem;
}

.step {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: var(--text-light);
    transition: all 0.3s;
}

.step.active {
    background-color: var(--primary-blue);
    color: white;
    border-color: var(--primary-blue);
}

.step-number {
    font-size: 1.5rem;
}

.step-line {
    width: 80px;
    height: 2px;
    background-color: var(--border-color);
}

.step-line.active {
    background-color: var(--primary-blue);
}

/* Form Steps */
.form-step {
    display: none;
    animation: fadeIn 0.3s ease-in;
}

.form-step.active {
    display: block;
}

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

.step-title {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
    border-bottom: 2px solid var(--light-blue);
    padding-bottom: 1rem;
}

/* Form Groups */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
    font-size: 0.95rem;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group input[type="date"] {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.3s;
    font-family: inherit;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(0, 115, 184, 0.1);
}

/* File Upload */
.file-input-wrapper {
    position: relative;
    margin-bottom: 1rem;
}

.file-input-wrapper input[type="file"] {
    display: none;
}

.file-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    background-color: #fafafa;
    cursor: pointer;
    transition: all 0.3s;
    text-align: center;
}

.file-label:hover {
    border-color: var(--primary-blue);
    background-color: #f0f8ff;
}

.file-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.file-label span:nth-child(2) {
    color: var(--text-dark);
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.file-hint {
    font-size: 0.85rem;
    color: var(--text-light);
}

.file-name {
    font-size: 0.9rem;
    color: var(--success-color);
    margin-top: 0.5rem;
    font-weight: 500;
}

/* Buttons */
.btn-next, .btn-back, .btn-submit {
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-next {
    width: 100%;
    background-color: var(--primary-blue);
    color: white;
}

.btn-next:hover {
    background-color: var(--dark-blue);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 115, 184, 0.3);
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.btn-back {
    flex: 1;
    background-color: #f5f5f5;
    color: var(--text-dark);
    border: 1px solid var(--border-color);
}

.btn-back:hover {
    background-color: #e0e0e0;
}

.btn-submit {
    flex: 1;
    background-color: var(--primary-blue);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-submit:hover:not(:disabled) {
    background-color: var(--dark-blue);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 115, 184, 0.3);
}

.btn-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.loader {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Info Box */
.info-box {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    height: fit-content;
}

.info-box h4 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--primary-blue);
}

.info-box ul {
    list-style: none;
    margin-bottom: 1.5rem;
}

.info-box li {
    padding: 0.5rem 0;
    color: var(--text-light);
    font-size: 0.95rem;
}

.contact-info {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.8;
}

/* Footer */
.footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 2rem;
    margin-top: 3rem;
}

/* Responsive */
@media (max-width: 768px) {
    .form-container {
        grid-template-columns: 1fr;
    }

    .nav-links {
        display: none;
    }

    .hero h1 {
        font-size: 1.8rem;
    }

    .hero h2 {
        font-size: 1.5rem;
    }

    .form-wrapper {
        padding: 1.5rem;
    }

    .form-title {
        font-size: 1.5rem;
    }

    .hero {
        height: 250px;
    }
}