/**
 * ATLAS System - Home Page Styles
 * Styles for the main landing/home page
 */

/* ==================== Hero Section - Duratec Corporate Theme ==================== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    background: 
        linear-gradient(135deg, 
            rgba(10, 10, 10, 0.85) 0%, 
            rgba(15, 15, 30, 0.9) 50%, 
            rgba(10, 10, 10, 0.85) 100%
        ),
        url('../img/duratec-logo.png');
    background-size: cover, 40%;
    background-position: center, center;
    background-repeat: no-repeat, no-repeat;
    background-attachment: fixed, fixed;
    padding: 2rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        repeating-linear-gradient(
            90deg,
            transparent 0px,
            rgba(74, 158, 255, 0.02) 1px,
            transparent 2px,
            transparent 50px
        ),
        repeating-linear-gradient(
            0deg,
            transparent 0px,
            rgba(74, 158, 255, 0.02) 1px,
            transparent 2px,
            transparent 50px
        );
    pointer-events: none;
    z-index: 0;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(
        ellipse at center,
        transparent 0%,
        rgba(74, 158, 255, 0.03) 50%,
        rgba(10, 10, 10, 0.5) 100%
    );
    pointer-events: none;
    z-index: 0;
    animation: duratecGlow 10s ease-in-out infinite;
}

@keyframes duratecGlow {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.6; }
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 900px;
}

.hero-logo {
    font-size: 6rem;
    font-weight: 700;
    background: linear-gradient(135deg, #4a9eff 0%, #6cb4ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    letter-spacing: 8px;
    text-shadow: 0 0 30px rgba(74, 158, 255, 0.3);
}

.hero-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--color-text-primary);
    font-weight: 600;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto 3rem;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.hero-buttons .btn {
    min-width: 200px;
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
    font-weight: 600;
    transition: all 0.3s;
}

.hero-buttons .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(74, 158, 255, 0.4);
}

/* ==================== About Section ==================== */
.section {
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-dark {
    background: var(--color-bg-secondary);
}

.section-title {
    text-align: center;
    color: var(--color-primary);
    margin-bottom: 3rem;
    font-size: 2.5rem;
    font-weight: 700;
}

.section-subtitle {
    text-align: center;
    color: var(--color-text-secondary);
    max-width: 700px;
    margin: -2rem auto 3rem;
    font-size: 1.125rem;
}

/* ==================== Features Grid ==================== */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--color-bg-secondary);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--color-border);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.feature-title {
    color: var(--color-primary);
    margin-bottom: 1rem;
    font-size: 1.5rem;
    font-weight: 600;
}

.feature-description {
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ==================== Stats Section ==================== */
.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin: 4rem 0;
}

.stat-card {
    text-align: center;
    padding: 2rem;
    background: var(--color-bg-tertiary);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--color-border);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--color-text-secondary);
    font-size: 1rem;
}

/* ==================== Footer ==================== */
.footer {
    background: var(--color-bg-secondary);
    padding: 3rem 2rem;
    text-align: center;
    color: var(--color-text-muted);
    border-top: 1px solid var(--color-border);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-logo {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.footer-text {
    margin: 0.5rem 0;
    font-size: 0.875rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--color-text-muted);
    transition: color 0.2s;
}

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

.footer-divider {
    height: 1px;
    background: var(--color-border);
    margin: 2rem auto;
    max-width: 600px;
}

/* ==================== Jobs Section ==================== */
.jobs-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
    margin-bottom: 3rem;
}

.job-card {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.job-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-primary);
    box-shadow: 0 10px 30px rgba(74, 158, 255, 0.2);
}

.job-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    flex-wrap: wrap;
}

.job-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin: 0;
    flex: 1;
}

.job-location {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    white-space: nowrap;
}

.job-description {
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin: 0;
    flex: 1;
}

.job-footer {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.job-type, .job-level {
    padding: 0.375rem 0.75rem;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.job-apply-btn {
    padding: 0.75rem 1.5rem;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    color: var(--color-text-muted);
    cursor: not-allowed;
    transition: all 0.2s;
    font-size: 0.875rem;
    width: 100%;
    margin-top: 0.5rem;
}

.job-apply-btn:not(:disabled) {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
    cursor: pointer;
}

.job-apply-btn:not(:disabled):hover {
    background: var(--color-primary-dark);
}

.jobs-cta {
    text-align: center;
    padding: 2rem;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    margin-top: 2rem;
}

.jobs-cta-text {
    color: var(--color-text-secondary);
    margin: 0;
    font-size: 1rem;
}

/* ==================== Responsive Design ==================== */
@media (max-width: 768px) {
    .hero-logo {
        font-size: 4rem;
        letter-spacing: 4px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
        max-width: 300px;
    }
    
    .hero-buttons .btn {
        width: 100%;
        min-width: 0;
    }
    
    .section {
        padding: 3rem 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .features {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .jobs-container {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .job-card {
        padding: 1.5rem;
    }
    
    .job-header {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .job-location {
        align-self: flex-start;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .hero-logo {
        font-size: 3rem;
    }
    
    .hero-title {
        font-size: 1.5rem;
    }
    
    .hero {
        padding: 1.5rem;
    }
    
    .section {
        padding: 2rem 1rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .section-subtitle {
        font-size: 0.875rem;
    }
    
    .feature-icon {
        font-size: 2.5rem;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .stats {
        grid-template-columns: 1fr;
    }
    
    .jobs-container {
        gap: 1rem;
    }
    
    .job-card {
        padding: 1.25rem;
    }
    
    .job-title {
        font-size: 1.25rem;
    }
    
    .job-footer {
        gap: 0.5rem;
    }
    
    .job-type, .job-level {
        font-size: 0.75rem;
        padding: 0.25rem 0.5rem;
    }
}

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

.hero-content {
    animation: fadeIn 1s ease-out;
}

.feature-card {
    animation: fadeIn 0.6s ease-out backwards;
}

.feature-card:nth-child(1) { animation-delay: 0.1s; }
.feature-card:nth-child(2) { animation-delay: 0.2s; }
.feature-card:nth-child(3) { animation-delay: 0.3s; }
.feature-card:nth-child(4) { animation-delay: 0.4s; }
.feature-card:nth-child(5) { animation-delay: 0.5s; }
.feature-card:nth-child(6) { animation-delay: 0.6s; }

/* ==================== Application Modal ==================== */
.application-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    padding: 1rem;
    overflow-y: auto;
}

.application-modal-content {
    background: var(--color-bg-secondary);
    border-radius: var(--border-radius-lg);
    max-width: 800px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.application-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--color-border);
}

.application-modal-header h2 {
    margin: 0;
    color: var(--color-primary);
    font-size: 1.5rem;
}

.application-modal-close {
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius);
    transition: all 0.2s;
}

.application-modal-close:hover {
    background: var(--color-bg-hover);
    color: var(--color-text-primary);
}

.application-form {
    padding: 1.5rem;
}

.form-section {
    margin-bottom: 2rem;
}

.form-section h3 {
    color: var(--color-text-primary);
    font-size: 1.25rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--color-primary);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--color-text-primary);
    font-weight: 500;
}

.form-input {
    width: 100%;
    padding: 0.75rem;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    color: var(--color-text-primary);
    font-size: 1rem;
    transition: all 0.2s;
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    background: var(--color-bg-secondary);
}

.form-input::placeholder {
    color: var(--color-text-muted);
}

textarea.form-input {
    resize: vertical;
    font-family: inherit;
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-border);
}

.form-message {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: var(--border-radius);
    text-align: center;
    font-weight: 500;
}

.form-message.success {
    background: rgba(34, 197, 94, 0.1);
    color: #22c55e;
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.form-message.error {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.form-message.info {
    background: rgba(74, 158, 255, 0.1);
    color: var(--color-primary);
    border: 1px solid rgba(74, 158, 255, 0.3);
}

@media (max-width: 768px) {
    .application-modal-content {
        max-height: 95vh;
    }
    
    .application-modal-header h2 {
        font-size: 1.25rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .form-actions .btn {
        width: 100%;
    }
}

/* ==================== Changelog Section ==================== */
.changelog-container {
    max-width: 900px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.changelog-entry {
    display: flex;
    gap: 1.5rem;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    transition: all var(--transition-smooth);
    box-shadow: var(--shadow);
}

.changelog-entry:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.changelog-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-tertiary);
    border-radius: 50%;
}

.changelog-content {
    flex: 1;
}

.changelog-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.changelog-title {
    margin: 0;
    font-size: 1.25rem;
    color: var(--color-text-primary);
}

.changelog-tag {
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.changelog-tag-success {
    background: rgba(76, 175, 80, 0.2);
    color: var(--color-success);
    border: 1px solid var(--color-success);
}

.changelog-tag-info {
    background: rgba(33, 150, 243, 0.2);
    color: var(--color-info);
    border: 1px solid var(--color-info);
}

.changelog-tag-warning {
    background: rgba(255, 152, 0, 0.2);
    color: var(--color-warning);
    border: 1px solid var(--color-warning);
}

.changelog-tag-danger {
    background: rgba(244, 67, 54, 0.2);
    color: var(--color-error);
    border: 1px solid var(--color-error);
}

.changelog-description {
    margin: 0;
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

@media (max-width: 768px) {
    .changelog-entry {
        flex-direction: column;
        gap: 1rem;
    }
    
    .changelog-icon {
        width: 50px;
        height: 50px;
        font-size: 2rem;
    }
    
    .changelog-header {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .changelog-tag {
        align-self: flex-start;
    }
}