/* UNIVERSAL */
* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Helvetica Neue', Arial, sans-serif; }
body { background-color: #f8fafc; color: #333; line-height: 1.6; scroll-behavior: smooth; }
section { padding: 80px 8%; }
.section-header { text-align: center; margin-bottom: 50px; }
.section-header h2 { font-size: 28px; color: #002d5b; margin-bottom: 12px; }
.title-line { width: 60px; height: 4px; background-color: #2b6df3; margin: 0 auto; border-radius: 1rem; }
.card { background: #ffffff; border-radius: 12px; box-shadow: 0 10px 25px rgba(0,0,0,0.03); border: 1px solid #e2e8f0; display: flex; flex-direction: column; justify-content: space-between; overflow: hidden; transition: transform 0.3s ease, box-shadow 0.3s ease; }
.card:hover { transform: translateY(-8px); box-shadow: 0 15px 35px rgba(0,0,0,0.08); cursor: pointer; }
.card-content { padding: 35px; text-align: left; }
.icon-blue { font-size: 32px; color: #2b6df3; margin-bottom: 20px; }
.card h3 { font-size: 20px; color: #1a1a1a; margin-bottom: 12px; }
.card p { font-size: 15px; color: #6c757d; line-height: 1.5; }
.card-footer-line { height: 6px; width: 100%; background-color: #2b6df3; }

/* UNIVERSAL SLIDER */
.horizontalSlider { display: flex; gap: 30px; overflow-x: auto; padding: 20px 10px 40px 10px; -ms-overflow-style: none; scrollbar-width: none; cursor: grab; }
.horizontalSlider::-webkit-scrollbar { display: none; }
.horizontalSlider.active { cursor: grabbing; }
.horizontalSlider > * { pointer-events: none; flex: 0 0 auto; }
.horizontalSlider .card-content { pointer-events: auto; }
.sliderCard { width: 320px; }
.sliderItem { width: 200px; height: 120px; background: #ffffff; border-radius: 12px; box-shadow: 0 4px 15px rgba(0,0,0,0.05); display: flex; align-items: center; justify-content: center; padding: 20px; }
.companyLogo { max-width: 100%; max-height: 100%; object-fit: contain; }

/* NAVBAR */
.navbar { display: flex; justify-content: space-between; align-items: center; background: #ffffff; padding: 20px 8%; box-shadow: 0 2px 10px rgba(0,0,0,0.05); position: sticky; top: 0; z-index: 1000; }
.nav-links { display: flex; list-style: none; }
.nav-links li { margin-right: 30px; }
.nav-links a { text-decoration: none; color: #002d5b; font-weight: 600; transition: color 0.3s; }
.nav-links a:hover { color: #2b6df3; }
.logoLink { display: flex; align-items: center; text-decoration: none; }
.mainLogo { height: 45px; width: auto; object-fit: contain; }

/* SECTION 1 (ΜΕ ΓΕΩΜΕΤΡΙΚΑ ΣΧΗΜΑΤΑ) */
.section1Container { display: flex; align-items: center; justify-content: space-between; padding: 80px 8%; background-color: #002d5b; color: #ffffff; overflow: hidden; }
.section1Content { flex: 1; padding-right: 50px; position: relative; z-index: 5; }
.section1Content h1 { font-size: 42px; color: #ffffff; margin-bottom: 20px; }
.section1Content p { color: #e2e8f0; }
.section1Image { flex: 1; position: relative; display: flex; justify-content: center; align-items: center; min-height: 350px; }
.geometric-shape-1 { position: absolute; width: 320px; height: 320px; background: linear-gradient(135deg, rgba(43, 109, 243, 0.9), rgba(43, 109, 243, 0.05)); clip-path: polygon(50% 0%, 100% 100%, 0% 100%); z-index: 2; }
.geometric-shape-2 { position: absolute; width: 280px; height: 280px; background: linear-gradient(135deg, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0.01)); clip-path: polygon(0 0, 100% 50%, 0 100%); z-index: 1; transform: translate(50px, -40px); }

/* SECTIONS 2, 3, 4, 5 */
.section2Container, .section4Container { background: #f1f5f9; }
.section3Container, .section5Container { background: #ffffff; }

/* MODAL */
.modal { display: none; position: fixed; z-index: 2000; left: 0; top: 0; width: 100%; height: 100%; background-color: rgba(0,0,0,0.7); }
.modal-content { background-color: #ffffff; margin: 5vh auto; padding: 30px 40px; border-radius: 15px; width: 90%; max-width: 750px; height: 80vh; overflow-y: auto; position: relative; box-shadow: 0 10px 40px rgba(0,0,0,0.4); }
.close-modal { color: #333; position: sticky; top: -10px; float: right; font-size: 45px; line-height: 1; cursor: pointer; background: #ffffff; border-radius: 50%; transition: color 0.2s; z-index: 10; }
.close-modal:hover { color: #ef4444; }
#modalBody h2 { color: #002d5b; font-size: 24px; margin-bottom: 15px; border-bottom: 3px solid #2b6df3; padding-bottom: 10px; margin-top: 10px; }
#modalBody h4 { color: #2b6df3; margin: 25px 0 10px 0; font-size: 18px; }
#modalBody p { color: #4b5563; margin-bottom: 10px; }
#modalBody ul { padding-left: 20px; margin-bottom: 20px; color: #1f2937; }
#modalBody li { margin-bottom: 8px; }

/* FOOTER */
.footer { background: #0f172a; color: #ffffff; padding: 80px 8%; }
.footer-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.contact-col h3 { margin-bottom: 25px; color: #2b6df3; font-size: 24px; }
.contact-buttons { display: flex; flex-direction: column; gap: 15px; margin-bottom: 30px; }
.contact-link { display: flex; align-items: center; color: #e2e8f0; text-decoration: none; font-size: 18px; transition: color 0.3s; }
.contact-link i { width: 35px; color: #2b6df3; font-size: 20px; }
.contact-link:hover { color: #2b6df3; }
.map-col { width: 100%; }
.footer-copyright { text-align: center; margin-top: 50px; padding-top: 20px; border-top: 1px solid #334155; color: #94a3b8; font-size: 14px; }

/* ΔΙΑΔΡΑΣΤΙΚΕΣ ΔΙΕΥΘΥΝΣΕΙΣ FOOTER */
.address-list { display: flex; flex-direction: column; gap: 10px; border-top: 1px solid #334155; padding-top: 20px; }
.address-item { display: flex; align-items: flex-start; padding: 12px 15px; background: rgba(255,255,255,0.03); border-radius: 8px; cursor: pointer; transition: all 0.3s ease; border-left: 4px solid transparent; }
.address-item:hover { background: rgba(255,255,255,0.08); }
.address-item.active { background: rgba(43, 109, 243, 0.15); border-left: 4px solid #2b6df3; }
.address-icon { font-size: 24px; color: #ef4444; margin-right: 15px; margin-top: 2px; }
.address-details p { font-size: 16px; margin-bottom: 3px; color: #e2e8f0; }
.map-text { font-size: 13px; color: #60a5fa; font-weight: 600; transition: color 0.3s; }
.address-item:hover .map-text { color: #93c5fd; }
.map-link { color: #60a5fa; text-decoration: underline; font-size: 15px; }

/* MOBILE RESPONSIVENESS */
@media (max-width: 768px) {
    section { padding: 60px 5%; }
    .navbar { flex-direction: column-reverse; gap: 15px; padding: 15px 5%; }
    .nav-links { flex-wrap: wrap; justify-content: center; }
    .nav-links li { margin: 5px 10px; }
    .section1Container { flex-direction: column; text-align: center; padding-top: 40px; }
    .section1Content { padding-right: 0; margin-bottom: 30px; }
    .section1Content h1 { font-size: 32px; }
    .footer-grid { grid-template-columns: 1fr; text-align: center; gap: 40px; }
    .contact-link { justify-content: center; }
    .modal-content { height: 85vh; width: 95%; padding: 20px; margin: 5vh auto; }
    .close-modal { font-size: 40px; top: -5px; }
    #modalBody h2 { font-size: 20px; padding-right: 30px; }
}