/*
====================================================================================
POSEIDON DESIGN SYSTEM - KOMPONENTY
====================================================================================

Komponenty wielokrotnego użytku:
1. Przyciski (primary, secondary, outline)
2. Karty (feature, course, stat)
3. Formularze i inputy
4. Przełącznik języków
5. Ikony i odznaki

====================================================================================
*/

/* PRZYCISKI */

/* Przycisk główny */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-medium), var(--primary-dark));
    color: var(--neutral-50);
    border: none;
    border-radius: var(--radius-md);
    padding: var(--space-sm) var(--space-lg);
    font-weight: 500;
    font-family: var(--font-body);
    cursor: pointer;
    transition: all var(--transition-medium);
    box-shadow: var(--shadow-soft);
    position: relative;
    overflow: hidden;
    text-decoration: none;
    display: inline-block;
}

.btn-primary::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 var(--transition-slow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
    background: linear-gradient(135deg, var(--primary-dark), var(--forest-green));
}

.btn-primary:hover::before {
    left: 100%;
}

/* Przycisk drugorzędny */
.btn-secondary {
    background: var(--bg-primary);
    color: var(--primary-dark);
    border: 2px solid var(--primary-medium);
    border-radius: var(--radius-md);
    padding: var(--space-sm) var(--space-lg);
    font-weight: 500;
    font-family: var(--font-body);
    cursor: pointer;
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    text-decoration: none;
    display: inline-block;
}

.btn-secondary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: var(--primary-medium);
    transition: width var(--transition-medium);
    z-index: -1;
}

.btn-secondary:hover {
    color: var(--neutral-50);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
    background: var(--primary-medium);
}

.btn-secondary:hover::before {
    width: 100%;
}

/* Przycisk outline */
.btn-outline {
    background: transparent;
    color: var(--primary-medium);
    border: 1px solid var(--sage-green);
    border-radius: var(--radius-sm);
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    display: inline-block;
}

.btn-outline:hover {
    background: var(--sage-green);
    color: var(--neutral-50);
    transform: translateY(-1px);
    box-shadow: var(--shadow-soft);
}

/* Modyfikator rozmiaru */
.btn-large {
    padding: var(--space-md) var(--space-xl);
    font-size: 1.1rem;
}

/* PRZEŁĄCZNIK JĘZYKÓW */
.lang-switcher {
    position: relative;
    font-size: 0.85rem;
    font-weight: 500;
}

.lang-current {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.6rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    color: var(--primary-dark);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
}

.lang-current:hover {
    background: var(--neutral-200);
}

.lang-current::after {
    content: '';
    border: 4px solid transparent;
    border-top-color: var(--primary-dark);
    margin-top: 2px;
}

.lang-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.25rem;
    background: white;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-medium);
    min-width: 100%;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: 100;
    overflow: hidden;
}

.lang-switcher:hover .lang-dropdown,
.lang-switcher:focus-within .lang-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: block;
    padding: 0.5rem 0.75rem;
    color: var(--neutral-700);
    text-decoration: none;
    transition: var(--transition-fast);
    white-space: nowrap;
}

.lang-option:hover {
    background: var(--bg-secondary);
    color: var(--primary-dark);
}

/* KARTY */

/* Karta funkcji */
.feature-card {
    background: var(--neutral-50);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--neutral-200);
    transition: all var(--transition-medium);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-strong);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--accent-green), var(--sage-green));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
    color: var(--neutral-50);
    transition: transform var(--transition-medium);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-card h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--neutral-800);
    margin-bottom: var(--space-xs);
}

.feature-card p {
    color: var(--neutral-700);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Karta statystyk */
.stat-card {
    text-align: center;
    padding: var(--space-lg);
    background: var(--neutral-50);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    transition: all var(--transition-medium);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-strong);
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-dark);
    font-family: var(--font-display);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--neutral-700);
    opacity: 0.8;
}

/* Karta kursu */
.course-card {
    background: var(--neutral-50);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--neutral-200);
    transition: all var(--transition-medium);
}

.course-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(45, 74, 43, 0.15);
}

/* NAGŁÓWKI SEKCJI */
.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
    animation: fadeInUp 0.6s ease;
}

.section-header h2 {
    font-family: var(--font-display);
    font-size: 2.75rem;
    font-weight: 700;
    color: var(--neutral-900);
    margin-bottom: var(--space-md);
    letter-spacing: -0.01em;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--neutral-700);
    max-width: 600px;
    margin: 0 auto;
}

/* PROGRESS BAR */
.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--neutral-200);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    width: 65%;
    height: 100%;
    background: linear-gradient(90deg, var(--accent-green), var(--primary-medium));
    border-radius: 4px;
    animation: pulse 2s ease-in-out infinite;
}

/* BADGE */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-size: 0.8rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    background: var(--bg-secondary);
    color: var(--primary-dark);
}

.badge-primary {
    background: var(--primary-medium);
    color: var(--neutral-50);
}

.badge-accent {
    background: var(--accent-green);
    color: var(--neutral-50);
}