/* Zmienne CSS */
:root {
    --primary: #0056b3;
    --primary-hover: #004494;
    --navy: #0a192f;
    --navy-light: #112240;
    --alert: #dc3545;
    --alert-bg: #fff5f5;
    --success: #28a745;
    --warning: #ffc107;
    --bg-main: #ffffff;
    --bg-alt: #f4f7f9;
    --text-main: #2d3748;
    --text-light: #4a5568;
    --text-white: #ffffff;
    --border-color: #e2e8f0;
    --radius: 20px;
    --radius-sm: 12px;
    --shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 15px 35px rgba(0, 86, 179, 0.1);
    --transition: all 0.3s ease;
    --font-main: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

/* Reset */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-main);
    color: var(--text-main);
    background-color: var(--bg-main);
    line-height: 1.6;
    font-size: 16px;
    overflow-x: hidden;
}
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }

/* Typografia */
h1, h2, h3, h4 { line-height: 1.2; font-weight: 700; color: var(--navy); }
h1 { font-size: clamp(2.2rem, 4vw, 3.5rem); margin-bottom: 1.5rem; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.8rem, 3vw, 2.5rem); margin-bottom: 1rem; }
h3 { font-size: 1.2rem; margin-bottom: 0.5rem; }
p { color: var(--text-light); margin-bottom: 1rem; }
.text-center { text-align: center; }
.text-white { color: var(--text-white); }
.text-white p { color: rgba(255,255,255,0.8); }

/* Układ */
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 90px 0; }
.bg-alt { background-color: var(--bg-alt); }
.bg-navy { background-color: var(--navy); }
.section-title { text-align: center; margin-bottom: 3rem; }

/* Przyciski */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 14px 28px; border-radius: var(--radius-sm);
    font-weight: 600; font-size: 1rem; cursor: pointer;
    border: 2px solid transparent; transition: var(--transition);
}
.btn-primary { background-color: var(--primary); color: var(--text-white); }
.btn-primary:hover { background-color: var(--primary-hover); transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.btn-outline { background-color: transparent; border-color: var(--border-color); color: var(--navy); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-large { padding: 18px 36px; font-size: 1.1rem; }
.btn-block { width: 100%; }

/* Header & Nawigacja */
.header {
    position: sticky; top: 0; left: 0; width: 100%;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px); z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}
.header-inner { display: flex; justify-content: space-between; align-items: center; height: 80px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.25rem; color: var(--navy); }

.nav-list { display: flex; align-items: center; }
.nav-list li { display: flex; align-items: center; }
.nav-list li:not(:last-child)::after {
    content: ''; display: block; width: 1px; height: 16px;
    background-color: var(--border-color); margin: 0 16px;
}
.nav-link {
    display: flex; align-items: center; gap: 6px;
    font-weight: 500; font-size: 0.95rem; color: var(--text-main);
}
.nav-link svg { stroke: var(--primary); opacity: 0.8; transition: var(--transition); }
.nav-link:hover, .nav-link.active { color: var(--primary); }
.nav-link:hover svg, .nav-link.active svg { opacity: 1; transform: scale(1.1); }

.mobile-menu-btn {
    display: none; background: none; border: none; cursor: pointer;
    width: 30px; height: 24px; position: relative; z-index: 1001;
}
.mobile-menu-btn span {
    display: block; width: 100%; height: 2px; background-color: var(--navy);
    position: absolute; transition: var(--transition);
}
.mobile-menu-btn span:nth-child(1) { top: 0; }
.mobile-menu-btn span:nth-child(2) { top: 11px; }
.mobile-menu-btn span:nth-child(3) { top: 22px; }
.mobile-menu-btn.active span:nth-child(1) { transform: rotate(45deg); top: 11px; }
.mobile-menu-btn.active span:nth-child(2) { opacity: 0; }
.mobile-menu-btn.active span:nth-child(3) { transform: rotate(-45deg); top: 11px; }

/* Hero */
.hero { padding: 60px 0 100px; overflow: hidden; }
.hero-inner { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 60px; align-items: center; }
.hero-content p { font-size: 1.1rem; margin-bottom: 2rem; max-width: 540px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* Hero Tech Panel */
.tech-panel {
    background-color: var(--navy); border-radius: var(--radius);
    padding: 24px; color: var(--text-white);
    box-shadow: 0 25px 50px rgba(10, 25, 47, 0.2);
    border: 1px solid var(--navy-light);
}
.panel-header {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 20px; padding-bottom: 16px; border-bottom: 1px solid var(--navy-light);
}
.panel-title { display: flex; align-items: center; gap: 8px; font-size: 0.9rem; color: #8892b0; font-family: monospace; text-transform: uppercase; letter-spacing: 1px; }
.pulse-indicator { width: 12px; height: 12px; border-radius: 50%; }
.pulse-indicator.alert { background-color: var(--alert); box-shadow: 0 0 0 0 rgba(220, 53, 69, 0.7); animation: pulse 1.5s infinite; }

@keyframes pulse {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(220, 53, 69, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 10px rgba(220, 53, 69, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(220, 53, 69, 0); }
}

.status-row {
    display: flex; justify-content: space-between; padding: 10px 0;
    border-bottom: 1px solid rgba(255,255,255,0.05); font-size: 0.95rem; font-family: monospace;
}
.status-row:last-child { border-bottom: none; }
.status-row.highlight { margin-top: 10px; padding-top: 14px; border-top: 1px dashed var(--navy-light); font-weight: bold; }
.label { color: #8892b0; }
.alert-text { color: #ff6b6b; }
.warning-text { color: var(--warning); }
.success-text { color: #4ade80; }
.primary-text { color: #60a5fa; }

/* Trust Bar */
.trust-bar { background-color: var(--bg-main); border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); padding: 24px 0; }
.trust-grid { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 20px; }
.trust-item { display: flex; align-items: center; gap: 12px; font-weight: 500; font-size: 0.95rem; color: var(--navy); }

/* Grid System */
.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* Karty */
.card {
    background-color: var(--bg-main); padding: 30px;
    border-radius: var(--radius); border: 1px solid var(--border-color);
    transition: var(--transition);
}
.bg-alt .card { background-color: var(--bg-main); }
.card:hover { box-shadow: var(--shadow); border-color: var(--primary); transform: translateY(-3px); }
.card p:last-child { margin-bottom: 0; }

.card-alert { border-left: 4px solid var(--alert); }
.card-alert:hover { border-color: var(--alert); }

/* Systemy */
.sys-card {
    display: flex; align-items: center; gap: 16px;
    background-color: var(--bg-main); padding: 20px;
    border-radius: var(--radius-sm); border: 1px solid var(--border-color);
    font-weight: 600; color: var(--navy); transition: var(--transition);
}
.sys-card:hover { border-color: var(--primary); color: var(--primary); box-shadow: var(--shadow); }
.sys-icon {
    width: 40px; height: 40px; background-color: var(--bg-alt);
    border-radius: 10px; display: flex; align-items: center; justify-content: center;
    color: var(--primary); font-weight: bold; font-size: 0.9rem;
}

/* Proces */
.process-timeline { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.process-card {
    background-color: var(--bg-main); padding: 24px;
    border-radius: var(--radius); border: 1px solid var(--border-color);
    position: relative;
}
.step-num {
    width: 36px; height: 36px; background-color: var(--primary); color: var(--text-white);
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    font-weight: bold; margin-bottom: 16px;
}

/* Edukacja */
.edu-content { max-width: 800px; margin: 0 auto; font-size: 1.1rem; }
.edu-content p { margin-bottom: 1.5rem; }
.edu-content strong { color: #60a5fa; font-weight: 600; }

/* CTA Middle */
.cta-middle {
    background: linear-gradient(135deg, var(--bg-alt) 0%, #ffffff 100%);
    border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color);
}
.cta-middle p { font-size: 1.1rem; margin-bottom: 2rem; max-width: 600px; margin-left: auto; margin-right: auto; }

/* FAQ */
.faq-wrapper { max-width: 800px; margin: 0 auto; }
.faq-item {
    background-color: var(--bg-main); border: 1px solid var(--border-color);
    border-radius: var(--radius-sm); margin-bottom: 16px; overflow: hidden;
}
.faq-item summary {
    padding: 20px 24px; font-weight: 600; font-size: 1.05rem; color: var(--navy);
    cursor: pointer; list-style: none; position: relative; padding-right: 50px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
    content: '+'; position: absolute; right: 24px; top: 50%; transform: translateY(-50%);
    font-size: 1.5rem; color: var(--primary); transition: var(--transition);
}
.faq-item[open] summary::after { content: '−'; }
.faq-content { padding: 0 24px 24px; }
.faq-content p:last-child { margin-bottom: 0; }

/* Kontakt */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.contact-text h2 { margin-bottom: 1rem; }
.contact-text p { font-size: 1.1rem; margin-bottom: 2rem; }
.contact-actions { display: flex; flex-direction: column; gap: 12px; }

.contact-form-box {
    background-color: var(--bg-main); padding: 40px;
    border-radius: var(--radius); box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 8px; font-size: 0.95rem; color: var(--navy); }
.form-group input, .form-group textarea {
    width: 100%; padding: 14px 16px; border: 1px solid var(--border-color);
    border-radius: var(--radius-sm); font-family: inherit; font-size: 1rem; transition: var(--transition);
}
.form-group input:focus, .form-group textarea:focus {
    outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(0, 86, 179, 0.1);
}
.hidden { display: none !important; }
.form-alert { text-align: center; padding: 20px 0; }
.form-alert svg { margin-bottom: 16px; }
.form-alert h3 { color: var(--navy); margin-bottom: 10px; }

/* Footer */
.footer { background-color: var(--bg-main); border-top: 1px solid var(--border-color); padding: 60px 0 30px; }
.footer-top { margin-bottom: 40px; }
.logo-footer { margin-bottom: 16px; }
.footer-brand p { max-width: 500px; }
.footer-brand a { color: var(--primary); font-weight: 600; }
.footer-bottom { border-top: 1px solid var(--border-color); padding-top: 24px; text-align: center; font-size: 0.9rem; }
.disclaimer { margin-top: 8px; font-size: 0.8rem; color: #a0aec0; }

/* Responsywność */
@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .process-timeline { grid-template-columns: repeat(2, 1fr); }
    .trust-grid { justify-content: center; }
}

@media (max-width: 768px) {
    .hero-inner { grid-template-columns: 1fr; text-align: center; gap: 40px; }
    .hero-content p { margin: 0 auto 2rem; }
    .hero-actions { justify-content: center; }
    
    .grid-3 { grid-template-columns: 1fr; }
    .grid-4 { grid-template-columns: 1fr; }
    .process-timeline { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; gap: 40px; }
    
    .mobile-menu-btn { display: block; }
    
    .nav {
        position: fixed; top: 80px; left: 0; width: 100%;
        background-color: var(--bg-main); padding: 20px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        transform: translateY(-150%); transition: transform 0.3s ease;
        border-bottom: 1px solid var(--border-color);
    }
    .nav.active { transform: translateY(0); }
    .nav-list { flex-direction: column; align-items: flex-start; gap: 16px; }
    .nav-list li { width: 100%; }
    .nav-list li:not(:last-child)::after { display: none; }
    .nav-link { width: 100%; padding: 10px 0; border-bottom: 1px solid var(--bg-alt); }
}

@media (max-width: 480px) {
    .section { padding: 60px 0; }
    .hero { padding: 40px 0 60px; }
    .hero-actions { flex-direction: column; width: 100%; }
    .hero-actions .btn { width: 100%; }
    .contact-form-box { padding: 24px; }
}