:root {
    --color-primary: #3b82f6;
    --color-primary-dark: #2563eb;
    --color-primary-light: #60a5fa;
    --color-text: #1f2937;
    --color-text-light: #6b7280;
    --color-background: #ffffff;
    --color-background-alt: #f3f4f6;
    --color-border: #e5e7eb;
    --color-card: #ffffff;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] {
    --color-primary: #60a5fa;
    --color-primary-dark: #3b82f6;
    --color-primary-light: #93c5fd;
    --color-text: #f9fafb;
    --color-text-light: #d1d5db;
    --color-background: #111827;
    --color-background-alt: #1f2937;
    --color-border: #374151;
    --color-card: #1f2937;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--color-text);
    background-color: var(--color-background);
    line-height: 1.5;
    transition: background-color 0.3s, color 0.3s;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
}

img {
    max-width: 100%;
    height: auto;
    border-radius: 0.5rem;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--color-background);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    backdrop-filter: blur(8px);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 4rem;
}

.nav-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.theme-toggle {
    background: none;
    border: none;
    color: var(--color-text);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 0.375rem;
    transition: background-color 0.2s;
}

.theme-toggle:hover {
    background-color: var(--color-background-alt);
}

.theme-toggle .sun-icon {
    display: none;
}

.theme-toggle .moon-icon {
    display: block;
}

[data-theme="dark"] .theme-toggle .sun-icon {
    display: block;
}

[data-theme="dark"] .theme-toggle .moon-icon {
    display: none;
}

.nav-links {
    display: none;
}

.nav-links a {
    color: var(--color-text);
    text-decoration: none;
    padding: 0.5rem 1rem;
    transition: color 0.2s;
}

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

.mobile-menu-btn {
    display: block;
    background: none;
    border: none;
    color: var(--color-text);
    cursor: pointer;
    padding: 0.5rem;
}

@media (min-width: 768px) {
    .mobile-menu-btn {
        display: none;
    }

    .nav-links {
        display: flex;
        gap: 2rem;
    }
}

/* Hero Section */
.hero {
    padding: 8rem 0 6rem;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-content {
    text-align: center;
}

.hero h2 {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.25rem;
    color: var(--color-text-light);
    margin-bottom: 2rem;
}

.hero-image img {
    width: 100%;
    max-height: 400px;
    object-fit: cover;
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
}

/* About Section */
.about {
    padding: 6rem 0;
    background-color: var(--color-background-alt);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}

.about-content h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.about-content p {
    color: var(--color-text-light);
}

.about-image img {
    width: 100%;
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
}

/* Benefits Section */
.benefits {
    padding: 6rem 0;
}

.benefits h2 {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 4rem;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.benefit-card {
    padding: 2rem;
    background-color: var(--color-card);
    border-radius: 1rem;
    box-shadow: var(--shadow);
    transition: transform 0.2s, box-shadow 0.2s;
}

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

.benefit-card .icon {
    width: 3rem;
    height: 3rem;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
}

.benefit-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.benefit-card p {
    color: var(--color-text-light);
}

/* Contact Section */
.contact {
    padding: 6rem 0;
    background-color: var(--color-background-alt);
}

.contact h2 {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 3rem;
}

.contact-wrapper {
    max-width: 32rem;
    margin: 0 auto;
}

.contact-form {
    padding: 2rem;
    background-color: var(--color-card);
    border-radius: 1rem;
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.form-group input[type="text"],
.form-group input[type="email"] {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: 0.5rem;
    background-color: var(--color-background);
    color: var(--color-text);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-group.checkbox {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.form-group.checkbox input[type="checkbox"] {
    margin-top: 0.25rem;
}

.form-group.checkbox label {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

.form-group.checkbox a {
    color: var(--color-primary);
    text-decoration: none;
}

.form-group.checkbox a:hover {
    text-decoration: underline;
}

.cta-button,
.submit-button {
    display: inline-block;
    padding: 1rem 2rem;
    background-color: var(--color-primary);
    color: white;
    text-decoration: none;
    border-radius: 0.5rem;
    font-weight: 600;
    transition: background-color 0.2s, transform 0.2s;
    border: none;
    cursor: pointer;
    width: 100%;
    font-size: 1rem;
}

.cta-button:hover,
.submit-button:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
}

.success-message {
    text-align: center;
    padding: 2rem;
    background-color: var(--color-card);
    border-radius: 1rem;
    box-shadow: var(--shadow);
}

.success-message .icon {
    color: #10b981;
    margin-bottom: 1rem;
}

.success-message h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.success-message p {
    color: var(--color-text-light);
}

.hidden {
    display: none;
}

/* Footer */
.footer {
    padding: 2rem 0;
    border-top: 1px solid var(--color-border);
}

.footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer p {
    color: var(--color-text-light);
}

.footer a {
    color: var(--color-text-light);
    text-decoration: none;
    transition: color 0.2s;
}

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

/* Animations */
[data-aos] {
    opacity: 0;
    transform: translateY(1rem);
    transition: opacity 1s, transform 1s;
}

[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (min-width: 768px) {
    .hero .container {
        grid-template-columns: 1fr 1fr;
        text-align: left;
    }

    .hero-content {
        text-align: left;
    }

    .hero h2 {
        font-size: 3.5rem;
    }

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

    .about-grid {
        grid-template-columns: 1fr 1fr;
    }

    .cta-button,
    .submit-button {
        width: auto;
    }
}

/* Theme Transition */
.theme-transition * {
    transition: background-color 0.3s, color 0.3s, border-color 0.3s, box-shadow 0.3s;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    text-decoration: none;
    gap: 0.5rem;
}

.logo-icon {
    height: 2rem;
    width: auto;
    transition: opacity 0.3s;
}

/* Domyślnie pokazujemy jasne logo */
.light-logo {
    display: block;
}

.dark-logo {
    display: none;
}

/* W ciemnym motywie zamieniamy loga */
[data-theme="dark"] .light-logo {
    display: none;
}

[data-theme="dark"] .dark-logo {
    display: block;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--color-primary);
    font-family: 'Poppins', sans-serif;
}

/* Ewentualnie dla dark mode zmiana koloru tekstu jeśli chcesz */
[data-theme="dark"] .logo-text {
    color: var(--color-text);
}

.spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid #fff;
    border-top: 2px solid #2d89ef;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    vertical-align: middle;
    margin-right: 8px;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.success-message, .error-message {
    min-height: 60px;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

[data-theme="dark"] a.link {
    color: #90CAF9; /* jasny błękit w dark mode */
}

[data-theme="dark"] a.link:hover {
    color: #BBDEFB; /* jeszcze jaśniejszy przy najechaniu */
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        background-color: var(--color-background);
        position: absolute;
        top: 64px; /* wysokość Twojej nawigacji */
        right: 1rem;
        width: 200px;
        box-shadow: var(--shadow);
        padding: 1rem;
        border-radius: 0.75rem;
        z-index: 1000;
        text-align: right;
    }

    .nav-links.open {
        display: flex;
        animation: fadeIn 0.3s ease-in-out;
    }

    .nav-links a {
        padding: 0.75rem 0;
        font-size: 1rem;
        font-weight: 500;
        color: var(--color-text);
        transition: color 0.3s;
    }

    .nav-links a:hover {
        color: var(--color-primary);
    }
}
.logo-dark,.logo-light {
    display: none;
}
.logo-light.fallback {
    display: block;
}
[data-theme="dark"] .logo-dark {
    display: block;
}
[data-theme="dark"] .logo-light {
    display: none;
}
[data-theme="light"] .logo-light {
    display: block;
}
[data-theme="light"] .logo-dark {
    display: none;
}