/* Zmienne CSS - Tech Transfer Theme */
:root {
    --navy-dark: #0B0F19;
    --navy-card: #151C2C;
    --cyan: #00E5FF;
    --cyan-hover: #00B8D4;
    --purple: #8A2BE2;
    --green: #00E676;
    --bg-main: #FFFFFF;
    --bg-light: #F8FAFC;
    --text-main: #1E293B;
    --text-light: #64748B;
    --border-color: #E2E8F0;
    --border-dark: #2A3441;
    --radius: 20px;
    --radius-sm: 12px;
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 25px -5px rgba(0, 0, 0, 0.05);
    --shadow-cyan: 0 0 20px rgba(0, 229, 255, 0.3);
    --transition: all 0.3s ease;
    --font-main: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 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-dark); letter-spacing: -0.02em; }
h1 { font-size: clamp(2.2rem, 4vw, 3.5rem); margin-bottom: 1.5rem; color: #fff; }
h2 { font-size: clamp(1.8rem, 3vw, 2.5rem); margin-bottom: 1rem; }
h3 { font-size: 1.2rem; margin-bottom: 0.75rem; }
p { color: var(--text-light); margin-bottom: 1.2rem; }
.lead { font-size: 1.15rem; color: #cbd5e1; font-weight: 400; }
.text-center { text-align: center; }
.text-white { color: #fff; }
.text-white p { color: #94a3b8; }

/* Układ */
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 90px 0; }
.bg-light { background-color: var(--bg-light); }
.bg-dark { background-color: var(--navy-dark); }
.section-header { text-align: center; max-width: 800px; margin: 0 auto 3.5rem; }

/* 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-cyan { background-color: var(--cyan); color: var(--navy-dark); }
.btn-cyan:hover { background-color: var(--cyan-hover); transform: translateY(-2px); box-shadow: var(--shadow-cyan); }
.btn-outline { background-color: transparent; border-color: var(--border-color); color: var(--navy-dark); }
.btn-outline:hover { border-color: var(--cyan); color: var(--cyan); }
.btn-outline-light { background-color: transparent; border-color: rgba(255,255,255,0.2); color: #fff; }
.btn-outline-light:hover { border-color: var(--cyan); color: var(--cyan); }
.btn-large { padding: 16px 32px; font-size: 1.1rem; }
.btn-sm { padding: 10px 20px; font-size: 0.95rem; }
.btn-block { width: 100%; }

/* Header */
.header {
    position: sticky; top: 0; left: 0; width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    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-dark); }

.nav { display: flex; align-items: center; gap: 32px; }
.nav-list { display: flex; align-items: center; gap: 24px; }
.nav-link {
    display: flex; align-items: center; gap: 6px;
    font-weight: 500; font-size: 0.95rem; color: var(--text-light);
}
.nav-link svg { stroke: var(--cyan); opacity: 0.8; transition: var(--transition); }
.nav-link:hover, .nav-link.active { color: var(--navy-dark); }
.nav-link:hover svg, .nav-link.active svg { opacity: 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-dark);
    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: 80px 0 120px; background-color: var(--navy-dark); overflow: hidden; position: relative; }
.hero::before {
    content: ''; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%;
    background: radial-gradient(circle at 50% 50%, rgba(138, 43, 226, 0.1) 0%, transparent 50%);
    z-index: 0; pointer-events: none;
}
.hero-inner { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 60px; align-items: center; position: relative; z-index: 1; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 24px; }
.tag { background-color: rgba(0, 229, 255, 0.1); color: var(--cyan); padding: 6px 12px; border-radius: 20px; font-size: 0.85rem; font-weight: 600; border: 1px solid rgba(0, 229, 255, 0.2); }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 32px; }

/* Hero Visual (Transfer Map) */
.hero-visual { position: relative; display: flex; flex-direction: column; align-items: center; gap: 40px; }
.transfer-map { display: flex; align-items: center; justify-content: space-between; width: 100%; max-width: 400px; }
.server-box {
    background: var(--navy-card); border: 1px solid var(--border-dark);
    border-radius: var(--radius-sm); padding: 20px; text-align: center;
    color: #fff; width: 120px; position: relative; z-index: 2;
}
.server-icon { color: var(--cyan); margin-bottom: 10px; }
.server-box span { font-size: 0.85rem; font-weight: 600; color: #94a3b8; }

.transfer-bridge { flex: 1; position: relative; height: 2px; margin: 0 10px; }
.bridge-line { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(255,255,255,0.1); }
.data-packet {
    position: absolute; top: -15px; left: 0; width: 32px; height: 32px;
    background: var(--cyan); border-radius: 8px; display: flex; align-items: center; justify-content: center;
    color: var(--navy-dark); box-shadow: var(--shadow-cyan);
    animation: transfer 3s infinite ease-in-out; z-index: 3;
}

@keyframes transfer {
    0% { left: 0; opacity: 0; transform: scale(0.5); }
    10% { opacity: 1; transform: scale(1); }
    90% { opacity: 1; transform: scale(1); }
    100% { left: calc(100% - 32px); opacity: 0; transform: scale(0.5); }
}

.status-panel {
    background: var(--navy-card); border: 1px solid var(--border-dark);
    border-radius: var(--radius-sm); padding: 20px; width: 100%; max-width: 400px;
    display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
}
.status-item { display: flex; align-items: center; gap: 10px; color: #cbd5e1; font-size: 0.9rem; font-family: monospace; }
.status-dot { width: 10px; height: 10px; border-radius: 50%; }
.status-dot.green { background: var(--green); box-shadow: 0 0 8px rgba(0, 230, 118, 0.5); }
.status-dot.pulse-cyan { background: var(--cyan); animation: pulse 1.5s infinite; }

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(0, 229, 255, 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(0, 229, 255, 0); }
    100% { box-shadow: 0 0 0 0 rgba(0, 229, 255, 0); }
}

/* Trust Bar */
.trust-bar { background-color: var(--navy-card); padding: 24px 0; border-bottom: 1px solid var(--border-dark); }
.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: #fff; }

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

/* Karty Ogólne */
.card {
    background-color: var(--bg-main); padding: 32px;
    border-radius: var(--radius); border: 1px solid var(--border-color);
    transition: var(--transition);
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); border-color: var(--cyan); }
.card p:last-child { margin-bottom: 0; }
.card-icon { color: var(--cyan); margin-bottom: 16px; }

/* Karty Zakres */
.card-border { border-left: 4px solid var(--cyan); }

/* Karty Simple */
.card-simple { padding: 24px; }
.card-simple h3 { font-size: 1.1rem; }

/* Karty Tech */
.card-tech { background: var(--bg-light); border: none; }
.card-tech:hover { background: var(--bg-main); }

/* Sekcja WP/Woo */
.woo-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.woo-content strong { color: var(--cyan); font-weight: 600; }
.status-card-dark { background: var(--navy-card); border-radius: var(--radius); padding: 32px; border: 1px solid var(--border-dark); color: #fff; }
.sc-header { font-weight: 700; font-size: 1.2rem; color: #fff; margin-bottom: 24px; padding-bottom: 16px; border-bottom: 1px solid var(--border-dark); }
.sc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.sc-item { display: flex; align-items: center; gap: 10px; font-weight: 500; color: #cbd5e1; }
.sc-icon { color: var(--green); font-weight: bold; }

/* Process Map */
.process-map { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; position: relative; }
.process-node { background: var(--bg-main); border: 1px solid var(--border-color); border-radius: var(--radius); padding: 32px; position: relative; z-index: 2; transition: var(--transition); }
.process-node:hover { border-color: var(--cyan); box-shadow: var(--shadow-md); }
.node-number {
    width: 40px; height: 40px; background: var(--cyan); color: var(--navy-dark);
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 1.2rem; margin-bottom: 20px;
}
.node-content h3 { margin-bottom: 8px; }
.node-content p { margin-bottom: 0; }

/* Edukacja */
.text-content-wrapper { max-width: 800px; margin: 0 auto; font-size: 1.1rem; }
.text-content-wrapper p { margin-bottom: 1.8rem; }
.text-content-wrapper strong { color: var(--navy-dark); font-weight: 600; }

/* CTA Middle */
.cta-middle { background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy-card) 100%); color: #fff; padding: 80px 0; border-radius: var(--radius); margin: 0 24px; }
.cta-middle h2 { color: #fff; }
.cta-middle p { color: #cbd5e1; 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; }
.faq-item summary { padding: 24px; font-weight: 600; font-size: 1.1rem; color: var(--navy-dark); 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(--cyan); 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-links { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 24px; }
.contact-form-wrapper { background: var(--bg-main); padding: 40px; border-radius: var(--radius); box-shadow: var(--shadow-md); border: 1px solid var(--border-color); }
.form-group { margin-bottom: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 8px; font-size: 0.95rem; color: var(--navy-dark); }
.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; background: var(--bg-light); transition: var(--transition); }
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--cyan); background: var(--bg-main); box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.1); }
.hidden { display: none !important; }
.form-message { text-align: center; padding: 20px 0; }
.msg-icon { display: flex; justify-content: center; margin-bottom: 16px; }

/* Footer */
.footer { background-color: var(--bg-light); border-top: 1px solid var(--border-color); padding: 60px 0 30px; }
.footer-content { margin-bottom: 40px; }
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand p { max-width: 500px; }
.footer-brand a { color: var(--cyan); 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: #94a3b8; }

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

@media (max-width: 768px) {
    .hero-inner { grid-template-columns: 1fr; text-align: center; gap: 40px; }
    .hero-tags { justify-content: center; }
    .hero-actions { justify-content: center; }
    
    .grid-3 { grid-template-columns: 1fr; }
    .grid-4 { grid-template-columns: 1fr; }
    .process-map { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; gap: 40px; }
    .form-row { grid-template-columns: 1fr; }
    .cta-middle { margin: 0; border-radius: 0; }
    
    .header-cta { display: none; }
    .mobile-menu-btn { display: block; }
    
    .nav {
        position: fixed; top: 80px; left: 0; width: 100%;
        background-color: var(--bg-main); padding: 24px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.05);
        transform: translateY(-150%); transition: transform 0.3s ease;
        border-bottom: 1px solid var(--border-color);
        flex-direction: column; align-items: flex-start;
    }
    .nav.active { transform: translateY(0); }
    .nav-list { flex-direction: column; align-items: flex-start; gap: 16px; width: 100%; }
    .nav-link { width: 100%; padding: 12px 0; border-bottom: 1px solid var(--bg-light); }
}

@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-wrapper { padding: 24px; }
}