/**
 * Gordon GWR - Main Styles
 */

:root {
    --primary: #0170B9;
    --primary-dark: #015a94;
    --text-dark: #3a3a3a;
    --text-gray: #4B4F58;
    --bg-light: #F5F5F5;
    --white: #FFFFFF;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --transition: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
}

/* Skip link for accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: #1a1a2e;
    color: #ffffff;
    padding: 8px 16px;
    z-index: 1000;
    transition: top var(--transition);
    text-decoration: none;
    font-weight: 600;
}

.skip-link:focus {
    top: 0;
    outline: 3px solid #4db8ff;
    outline-offset: 2px;
}

.skip-link:hover {
    color: #ffffff;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-dark);
}

h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.25rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.5rem); }

a {
    color: var(--primary);
    text-decoration: underline;
    transition: color var(--transition);
}

a:hover, a:focus {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* Links without underline (navigation, buttons, logos) */
a.nav-link,
a.logo,
a.btn,
a.social-link,
.footer-links a {
    text-decoration: none;
}

a.nav-link:hover,
a.nav-link:focus,
.footer-links a:hover,
.footer-links a:focus {
    text-decoration: underline;
}

a:focus-visible {
    outline: 3px solid var(--primary);
    outline-offset: 2px;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Layout */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 80px 0;
}

/* Visually hidden class for screen readers */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Button styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
}

.btn:hover {
    text-decoration: none;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--white);
}

.btn-primary:hover, .btn-primary:focus {
    background-color: var(--primary-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-outline:hover, .btn-outline:focus {
    background-color: var(--primary);
    color: var(--white);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: #1a1a2e;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    z-index: 100;
    padding: 15px 0;
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Inter', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
}

.logo:hover,
.logo:focus {
    color: #4db8ff;
}

.logo-img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    width: 44px;
    height: 44px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 3px;
    background: var(--white);
    margin: 5px 0;
    transition: var(--transition);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

.nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-link {
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
    padding: 8px 0;
    position: relative;
}

.nav-link:hover,
.nav-link:focus {
    color: #4db8ff;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: #4db8ff;
    transition: width var(--transition);
}

.nav-link:hover::after,
.nav-link:focus::after {
    width: 100%;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: url('../img/hero-bg.jpg') center center / cover no-repeat;
    position: relative;
    padding-top: 80px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.5) 100%);
    z-index: 1;
}

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

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    margin-bottom: 24px;
    color: var(--white);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero h1 span {
    color: #4db8ff;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero .btn-outline {
    border-color: var(--white);
    color: var(--white);
}

.hero .btn-outline:hover,
.hero .btn-outline:focus {
    background-color: var(--white);
    color: var(--primary);
}

/* Partners in Hero */
.hero-partners {
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-partners .partners-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 30px 40px;
}

.hero-partners .partner-logo {
    opacity: 0.7;
    transition: opacity var(--transition);
    filter: brightness(0) invert(1);
}

.hero-partners .partner-logo:hover {
    opacity: 1;
}

.hero-partners .partner-logo img {
    height: 70px;
    width: auto;
}

/* Benefits Section */
.benefits {
    background: var(--bg-light);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    margin-bottom: 16px;
}

.section-header p {
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.benefit-card {
    background: var(--white);
    padding: 32px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: transform var(--transition), box-shadow var(--transition);
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.benefit-icon {
    width: 60px;
    height: 60px;
    background: var(--primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--white);
    font-size: 1.5rem;
}

.benefit-card h3 {
    margin-bottom: 12px;
}

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

/* Offer Section */
.offer {
    background: var(--white);
}

.offer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.offer-card {
    background: var(--white);
    border: 2px solid var(--bg-light);
    border-radius: 16px;
    padding: 40px 32px;
    text-align: center;
    transition: all var(--transition);
    position: relative;
}

.offer-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
}

.offer-card.featured {
    border-color: var(--primary);
    background: linear-gradient(135deg, var(--white) 0%, var(--bg-light) 100%);
}

.offer-card.featured::before {
    content: 'Popularne';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: var(--white);
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.offer-title {
    font-size: 1.5rem;
    margin-bottom: 8px;
    color: var(--primary);
}

.offer-price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 24px;
}

.offer-price span {
    font-size: 1rem;
    color: var(--text-gray);
}

.offer-features {
    list-style: none;
    text-align: left;
    margin-bottom: 32px;
}

.offer-features li {
    padding: 12px 0;
    border-bottom: 1px solid var(--bg-light);
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.offer-features li::before {
    content: '✓';
    color: var(--primary);
    font-weight: 700;
    flex-shrink: 0;
}

/* FAQ Section */
.faq {
    background: var(--bg-light);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    border-radius: 12px;
    margin-bottom: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.faq-question {
    width: 100%;
    padding: 24px;
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    font-family: inherit;
}

.faq-question:hover {
    color: var(--primary);
}

.faq-question:focus-visible {
    outline: 3px solid var(--primary);
    outline-offset: -3px;
}

.faq-icon {
    font-size: 1.5rem;
    transition: transform var(--transition);
    color: var(--primary);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer-content {
    padding: 0 24px 24px;
    color: var(--text-gray);
}

/* Contact Section */
.contact {
    background: var(--white);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info h2 {
    margin-bottom: 24px;
}

.contact-info p {
    color: var(--text-gray);
    margin-bottom: 32px;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-dark);
}

.contact-method-icon {
    width: 44px;
    height: 44px;
    background: var(--bg-light);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    flex-shrink: 0;
    transition: all var(--transition);
}

.contact-method-link {
    text-decoration: none;
    border-radius: 8px;
    padding: 8px;
    margin: -8px;
    transition: all var(--transition);
}

.contact-method-link:hover {
    background: var(--bg-light);
    text-decoration: none;
}

.contact-method-link:hover .contact-method-icon {
    background: var(--primary);
    color: var(--white);
}

.contact-method-link strong {
    color: var(--primary);
}

.contact-method-link:hover strong {
    color: var(--primary-dark);
}

/* Form styles */
.contact-form {
    background: var(--bg-light);
    padding: 40px;
    border-radius: 16px;
}

.form-group {
    margin-bottom: 24px;
}

.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.form-label .required {
    color: #e74c3c;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color var(--transition), box-shadow var(--transition);
    background: var(--white);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(1, 112, 185, 0.2);
}

.form-input:invalid:not(:placeholder-shown),
.form-textarea:invalid:not(:placeholder-shown) {
    border-color: #e74c3c;
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-hint {
    font-size: 0.875rem;
    color: var(--text-gray);
    margin-top: 4px;
}

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.form-checkbox input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    accent-color: var(--primary);
}

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

.form-checkbox a {
    color: var(--primary);
    text-decoration: underline;
}

.form-checkbox a:hover,
.form-checkbox a:focus {
    color: var(--primary-dark);
}

/* Alert messages */
.alert {
    padding: 16px 20px;
    border-radius: 8px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-info {
    background: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand .logo {
    color: var(--white);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.85);
    margin-top: 16px;
}

.footer-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.85);
    transition: color var(--transition);
}

.footer-links a:hover,
.footer-links a:focus {
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.85);
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-link {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: background var(--transition);
}

.social-link:hover,
.social-link:focus {
    background: var(--primary);
}

/* Responsive Design */
@media (max-width: 921px) {
    .nav-toggle {
        display: block;
    }

    .nav {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: #1a1a2e;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition);
    }

    .nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-list {
        flex-direction: column;
        width: 100%;
        text-align: center;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 544px) {
    section {
        padding: 60px 0;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

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

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --primary: #0050a0;
        --text-gray: #2a2a2a;
    }

    .btn-outline {
        border-width: 3px;
    }
}

/* Print styles */
@media print {
    .header, .nav-toggle, .btn, .social-links {
        display: none;
    }

    body {
        font-size: 12pt;
    }

    a {
        color: #000;
        text-decoration: underline;
    }
}