:root {
    --bg-white: #ffffff;
    --bg-dark: #111111;
    --text-dark: #1a1a1a;
    --text-light: #f5f5f5;
    --text-gray: #666666;
    --font-main: 'Manrope', sans-serif;
    --border-light: rgba(0,0,0,0.1);
}

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

body {
    font-family: var(--font-main);
    color: var(--text-dark);
    background-color: var(--bg-white);
    line-height: 1.6;
    overflow-x: hidden;
    width: 100%;
}

a { text-decoration: none; color: inherit; transition: 0.3s; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
iframe { border: 0; display: block; }

/* =========================================
   1. HEADER & NAVIGATION
   ========================================= */
.site-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid var(--border-light);
    height: 80px;
}

.logo-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    line-height: 1;
    text-decoration: none;
}

.logo-main {
    font-family: sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: #000000;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.logo-sub {
    font-family: 'Manrope', sans-serif;
    font-size: 0.65rem;
    color: #242424;
    letter-spacing: 3px;
    margin-top: 3px;
    text-transform: uppercase;
}

/* Κουμπί MENU */
.menu-btn {
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 12px;
    outline: none;
    padding: 10px;
}

.menu-text {
    font-family: var(--font-main);
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 2px;
    color: #000;
}

.hamburger-icon span {
    display: block;
    width: 25px;
    height: 2px;
    background: #000;
    margin: 5px 0;
    transition: 0.3s;
}

.header-right {
    display: flex;
    gap: 20px;
    align-items: center;
    font-weight: 600;
    font-size: 0.9rem;
}

/* OVERLAY MENU */
.overlay-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: #ffffff;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-20px);
    transition: all 0.4s ease-in-out;
}

.overlay-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.overlay-menu nav a {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    margin: 15px 0;
    color: #000;
    letter-spacing: -1px;
    text-align: center;
}

.overlay-menu nav a:hover {
    color: var(--text-gray);
}

.close-menu {
    position: absolute;
    top: 30px;
    right: 40px;
    background: none;
    border: none;
    font-size: 3rem;
    color: #000;
    cursor: pointer;
    padding: 10px;
}

/* =========================================
   2. HERO SECTION
   ========================================= */
.hero-section {
    position: relative;
    height: 100vh;
    min-height: 600px;
    width: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    margin-top: 0;
    padding-top: 80px;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: 0 20px;
    color: #fff;
}

.hero-subtitle {
    font-size: 1rem;
    letter-spacing: 4px;
    margin-bottom: 20px;
    text-transform: uppercase;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 30px;
    line-height: 1.1;
}

.btn-line {
    color: #fff;
    border-bottom: 2px solid #fff;
    padding-bottom: 5px;
    font-weight: 700;
    letter-spacing: 2px;
    font-size: 0.9rem;
}

/* =========================================
   3. PARTNERS SECTION
   ========================================= */
.partners-section {
    padding: 90px 0; /* Λίγο περισσότερος αέρας */
    background: #ffffff; /* Καθαρό λευκό φόντο */
    border-bottom: 1px solid var(--border-light);
    text-align: center;
}

.section-label-center {
    display: block;
    font-size: 0.75rem; /* Μικρό και διακριτικό */
    font-weight: 700;
    letter-spacing: 3px; /* Μεγάλα κενά στα γράμματα */
    margin-bottom: 60px;
    color: #999;
    text-transform: uppercase;
}

.partners-list {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    /* Μεγάλα κενά ανάμεσα στα ονόματα */
    gap: 40px 80px; 
}

.partner-item {
    font-family: 'Manrope', sans-serif;
    font-size: 2.2rem; /* Μεγάλα, επιβλητικά γράμματα */
    font-weight: 800; /* Extra Bold */
    color: #e0e0e0; /* Πολύ ανοιχτό γκρι αρχικά */
    cursor: default;
    transition: all 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94); /* Ομαλή κίνηση */
    user-select: none; /* Να μην επιλέγεται το κείμενο */
}

/* Hover Effect: Γίνεται μαύρο και μεγαλώνει ελάχιστα */
.partner-item:hover {
    color: #111; 
    transform: scale(1.2); /* Ελαφρύ zoom */
    
}

/* =========================================
   4. SPLIT SECTIONS (Text + Image)
   ========================================= */
.split-section {
    display: flex;
    flex-wrap: wrap;
    width: 100%;
    min-height: 600px;
}

.split-text {
    flex: 1;
    padding: 80px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: #fff;
    min-width: 300px;
}

.split-image {
    flex: 1;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    min-width: 300px;
    min-height: 400px; 
}

.section-label {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--text-gray);
    margin-bottom: 15px;
    display: block;
}

.split-text h2 {
    font-size: 2.5rem;
    margin-bottom: 25px;
    line-height: 1.2;
}

.split-text p {
    color: var(--text-gray);
    margin-bottom: 30px;
    max-width: 500px;
}

.link-arrow {
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

/* Stats Row */
.stats-row {
    display: flex;
    gap: 40px;
    margin-bottom: 30px;
}
.stat strong { display: block; font-size: 2rem; color: #000; font-weight: 800; }
.stat span { font-size: 0.8rem; color: #777; letter-spacing: 1px; }

/* Dark Background Variant */
.split-text.bg-dark {
    background: var(--bg-dark);
    color: #fff;
}
.split-text.bg-dark h2, 
.split-text.bg-dark strong { color: #fff; }
.split-text.bg-dark p, 
.split-text.bg-dark span { color: #aaa; }
.split-text.bg-dark .link-arrow { color: #fff; }

/* =========================================
   5. SYSTEMS & PRODUCTS
   ========================================= */
.products-section {
    padding: 100px 0;
    background: #fff;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}
.section-title {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 60px;
    font-weight: 800;
}
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}
.product-card {
    padding: 30px;
    border: 1px solid transparent;
    transition: 0.3s;
}
.product-card:hover {
    border-color: #eee;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}
.p-cat {
    font-size: 0.7rem;
    letter-spacing: 2px;
    color: #999;
    font-weight: 700;
    text-transform: uppercase;
    display: block;
    margin-bottom: 10px;
}
.product-card h3 { font-size: 1.4rem; margin-bottom: 15px; }
.product-card p { color: var(--text-gray); margin-bottom: 20px; font-size: 0.95rem; }
.read-more { font-size: 0.8rem; font-weight: 800; border-bottom: 2px solid #eee; padding-bottom: 3px; }

/* =========================================
   6. PROJECTS SLIDER
   ========================================= */
.slider-section {
    width: 100%;
    padding: 100px 0;
    background: #fff;
    overflow: hidden;
}

.swiper {
    width: 100%;
    height: 500px;
}

.swiper-slide {
    background-size: cover;
    background-position: center;
    position: relative;
    background-color: #eee; 
}

.slide-caption {
    position: absolute;
    bottom: 30px;
    left: 30px;
    background: #fff;
    padding: 20px 30px;
    max-width: 80%;
}
.slide-caption h3 { font-size: 1.1rem; margin-bottom: 5px; }
.slide-caption p { margin: 0; color: #777; font-size: 0.85rem; }

/* =========================================
   PREMIUM DARK REVIEWS STYLE
   ========================================= */

.reviews-section-light {
    background-color: #f8f9fa; /* Πολύ απαλό γκρι φόντο */
    padding: 100px 0;
}

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

.review-big-score {
    font-size: 5rem;
    font-weight: 800;
    line-height: 1;
    display: block;
    margin-bottom: 10px;
    letter-spacing: -2px;
    color: #1a1a1a; /* Σκούρο γκρι */
}

.review-sub-text {
    color: #666;
    font-size: 0.9rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    font-weight: 600;
}

.google-btn-clean {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-top: 25px;
    padding: 12px 30px;
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 50px;
    color: #333;
    font-size: 0.85rem;
    font-weight: 700;
    transition: 0.3s;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.google-btn-clean:hover {
    background-color: #1a1a1a; /* Γίνεται μαύρο στο hover */
    color: #fff;
    border-color: #1a1a1a;
    transform: translateY(-2px);
}

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

/* ΛΕΥΚΕΣ ΚΑΡΤΕΣ */
.review-card-clean {
    background: #ffffff;
    padding: 40px 30px;
    border-radius: 12px; /* Στρογγυλεμένες γωνίες */
    box-shadow: 0 10px 30px rgba(0,0,0,0.05); /* Απαλή σκιά */
    transition: 0.3s ease;
    border: 1px solid transparent;
}

.review-card-clean:hover {
    transform: translateY(-5px); /* Ανεβαίνει λίγο */
    box-shadow: 0 20px 40px rgba(0,0,0,0.08);
    border-color: #eee;
}

.review-stars-gold {
    color: #fbbc04; /* Google Yellow/Gold */
    font-size: 0.9rem;
    margin-bottom: 20px;
    display: block;
}

.review-body {
    font-family: 'Manrope', sans-serif;
    font-size: 1.05rem;
    font-weight: 400;
    line-height: 1.6;
    color: #444; /* Γκρι κειμένου */
    margin-bottom: 30px;
    min-height: 80px; /* Για να είναι όλες οι κάρτες περίπου ίδιο ύψος */
}

.reviewer-meta {
    display: flex;
    align-items: center;
    gap: 15px;
    border-top: 1px solid #f0f0f0;
    padding-top: 20px;
}

.reviewer-initial {
    width: 40px;
    height: 40px;
    background: #f0f0f0;
    color: #333;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: 800;
    font-size: 1.1rem;
}

.reviewer-name {
    font-size: 0.9rem;
    font-weight: 700;
    color: #000;
    display: block;
}

.review-date {
    font-size: 0.75rem;
    color: #888;
    display: block;
}

/* =========================================
   8. FOOTER
   ========================================= */
.site-footer {
    background: #111;
    color: #fff;
    padding: 80px 0 30px;
}
.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 50px;
    margin-bottom: 50px;
}
.footer-col h4 { font-size: 0.8rem; color: #777; letter-spacing: 2px; margin-bottom: 25px; }
.footer-col a, .footer-col p { color: #fff; display: block; margin-bottom: 10px; font-weight: 300; }
.footer-col a:hover { color: #ccc; }
.footer-bottom { border-top: 1px solid #333; padding-top: 30px; text-align: center; font-size: 0.8rem; color: #555; }

/* =========================================
   PROJECTS PAGE STYLES (New Grid & Filters)
   ========================================= */

/* Κουμπιά Φίλτρων */
.filter-buttons {
    text-align: center;
    margin-bottom: 40px;
    margin-top: 40px;
}

.filter-btn {
    background: none;
    border: none;
    font-family: 'Manrope', sans-serif;
    font-size: 0.9rem;
    font-weight: 700;
    margin: 0 15px;
    cursor: pointer;
    color: #999;
    transition: 0.3s;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding-bottom: 5px;
}

.filter-btn.active, 
.filter-btn:hover {
    color: #000;
    border-bottom: 2px solid #000;
}

/* Gallery Grid System */
.gallery-grid {
    display: grid;
    /* Αυτόματη προσαρμογή στηλών ανάλογα με το πλάτος */
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr)); 
    gap: 20px;
}

.gallery-item {
    position: relative;
    height: 400px; /* Σταθερό ύψος για ομοιομορφία */
    overflow: hidden;
    cursor: pointer;
}

.gallery-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

/* Το μαύρο φίλτρο με τα γράμματα */
.gallery-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.6);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    opacity: 0;
    transition: 0.4s ease;
    padding: 20px;
}

/* Εφέ όταν περνάει το ποντίκι */
.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-item:hover .gallery-img {
    transform: scale(1.1); /* Zoom effect */
}

/* Κείμενα μέσα στο Grid */
.project-title {
    color: #fff;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    transform: translateY(20px);
    transition: 0.4s ease;
}

.project-desc {
    color: #ddd;
    font-size: 0.9rem;
    transform: translateY(20px);
    transition: 0.4s ease 0.1s; /* Καθυστέρηση */
}

.gallery-item:hover .project-title,
.gallery-item:hover .project-desc {
    transform: translateY(0);
}


/* =========================================
   CONTACT PAGE STYLES
   ========================================= */

.contact-info-box {
    margin-bottom: 50px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 30px;
}

.icon-box {
    width: 50px;
    height: 50px;
    background: #f8f9fa;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: #1a1a1a;
    flex-shrink: 0; /* Να μην συρρικνώνεται */
}

.c-text h4 {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #999;
    margin-bottom: 5px;
}

.c-text p, .c-text a {
    font-size: 1.1rem;
    font-weight: 500;
    color: #1a1a1a;
    line-height: 1.4;
}

/* Contact Form Styling */
.contact-form {
    margin-top: 20px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: #333;
}

.form-control {
    width: 100%;
    padding: 15px 0; /* Μόνο κάτω γραμμή */
    border: none;
    border-bottom: 1px solid #ddd;
    background: transparent;
    font-family: 'Manrope', sans-serif;
    font-size: 1rem;
    color: #000;
    transition: 0.3s;
    border-radius: 0; /* Όχι στρογγυλεμένες γωνίες */
}

.form-control:focus {
    outline: none;
    border-bottom-color: #000; /* Μαύρη γραμμή όταν γράφεις */
}

.submit-btn {
    background: #1a1a1a;
    color: #fff;
    border: none;
    padding: 15px 40px;
    font-family: 'Manrope', sans-serif;
    font-weight: 700;
    letter-spacing: 1px;
    cursor: pointer;
    transition: 0.3s;
    margin-top: 10px;
}

.submit-btn:hover {
    background: #333;
    transform: translateY(-2px);
}

/* Map specific styling within split section */
.split-map {
    flex: 1;
    min-height: 600px;
    background: #eee;
    position: relative;
}

.split-map iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
    filter: grayscale(100%); /* Ασπρόμαυρος χάρτης */
}

/* Mobile Adjustments */
@media (max-width: 900px) {
    .split-map {
        min-height: 400px;
    }
}

/* Προσαρμογή για κινητά */
@media (max-width: 768px) {
    .gallery-grid {
        grid-template-columns: 1fr; /* Μια στήλη στα κινητά */
    }
    .filter-btn {
        margin: 0 8px;
        font-size: 0.8rem;
    }
    .gallery-item {
        height: 300px; /* Λίγο πιο χαμηλά στα κινητά */
    }
}



/* =========================================
   9. RESPONSIVE / MEDIA QUERIES
   ========================================= */

/* Tablet & Mobile Header Adjustments */
@media (max-width: 900px) {
    .site-header { padding: 15px 20px; }
    
    .menu-text, .desktop-only { display: none; }
    
    .hero-title { font-size: 2.5rem; }
    
    /* Layout Breaks */
    .split-section { flex-direction: column; }
    .inverted { flex-direction: column-reverse; }

    .split-image {
        width: 100%;
        height: 350px;
        min-height: 350px;
    }
    
    .split-text { padding: 50px 20px; }
    
    .swiper { height: 400px; }
}

/* Smaller Mobile Adjustments */
@media (max-width: 768px) {
    .logo-main { font-size: 1.5rem; }
    .logo-sub { font-size: 0.5rem; letter-spacing: 2px; }
}

/* Partner Logos on Mobile */
@media (max-width: 768px) {
    .partners-list {
        flex-direction: column; /* Κάθετη διάταξη στα κινητά */
        gap: 30px;
    }
    .partner-item {
        font-size: 1.8rem; /* Λίγο μικρότερα για να χωράνε */
    }
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: #111;
    color: #fff;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    z-index: 9999;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
    transform: translateY(100%); /* Αρχικά κρυμμένο */
    transition: transform 0.3s ease-in-out;
}

.cookie-banner.show {
    transform: translateY(0); /* Εμφάνιση */
}

.cookie-banner p {
    font-size: 0.9rem;
    margin: 0;
}

.cookie-banner a {
    color: #fff;
    text-decoration: underline;
}

.cookie-btn {
    background: #fff;
    color: #000;
    border: none;
    padding: 10px 20px;
    font-weight: 700;
    cursor: pointer;
    border-radius: 4px;
}
.cookie-btn:hover {
    background: #ccc;
}

@media (max-width: 768px) {
    .cookie-banner {
        flex-direction: column;
        text-align: center;
    }
}

/* Hero premium center */
.hero-center{
    position: relative;
    display:flex;
    align-items:center;
    justify-content:center;
    text-align:center;
    min-height: 88vh;
}

.hero-overlay{
    position:absolute;
    inset:0;
    background: rgba(0,0,0,0.45);
}

.hero-content-center{
    position:relative;
    max-width: 920px;
    margin: 0 auto;
    padding: 0 18px;
}

.hero-actions{
    display:flex;
    gap:14px;
    justify-content:center;
    flex-wrap:wrap;
    margin-top: 28px;
}

.btn-primary{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    padding:14px 22px;
    border-radius:999px;
    background:#fff;
    color:#111;
    font-weight:800;
    letter-spacing:0.5px;
    text-decoration:none;
    border:1px solid rgba(255,255,255,0.35);
    transition:transform 0.2s ease, opacity 0.2s ease;
}

.btn-primary:hover{
    transform:translateY(-1px);
    opacity:0.95;
}

.hero-mini{
    margin-top: 18px;
    display:flex;
    gap:18px;
    justify-content:center;
    flex-wrap:wrap;
    color: rgba(255,255,255,0.85);
    font-weight:600;
    font-size: 0.95rem;
}

.hero-mini i{
    margin-right: 8px;
}

.hero-call-center{
    margin-top: 18px;
}

.hero-call-link{
    display:inline-flex;
    align-items:center;
    gap:10px;
    color:rgba(255,255,255,0.9);
    text-decoration:none;
    font-weight:700;
    border-bottom:1px solid rgba(255,255,255,0.25);
    padding-bottom:4px;
}

.hero-call-link:hover{
    color:#fff;
}

/* Trust strip */
.trust-strip{
    background:#0f0f0f;
    padding:18px 0;
}

.trust-grid{
    display:grid;
    grid-template-columns:repeat(4, 1fr);
    gap:14px;
    align-items:center;
}

.trust-item{
    text-align:center;
    border:1px solid rgba(255,255,255,0.08);
    border-radius:16px;
    padding:14px 10px;
}

.trust-number{
    display:block;
    font-weight:800;
    color:#fff;
    font-size:1.05rem;
    letter-spacing:0.3px;
}

.trust-label{
    display:block;
    margin-top:6px;
    color:rgba(255,255,255,0.7);
    font-size:0.95rem;
}

@media (max-width: 900px){
    .trust-grid{
        grid-template-columns:repeat(2, 1fr);
    }
}

/* Clean list */
.clean-list{
    margin: 18px 0 28px;
    padding-left:0;
    list-style:none;
    color: var(--text-gray);
    display:flex;
    flex-direction:column;
    gap:10px;
}

.clean-list i{
    margin-right:10px;
}

/* Mini links */
.mini-link{
    display:inline-flex;
    align-items:center;
    gap:10px;
    margin-top: 14px;
    text-decoration:none;
    color:#111;
    font-weight:700;
    opacity:0.85;
}

.mini-link:hover{
    opacity:1;
}

/* Final CTA */
.final-cta{
    padding: 70px 0;
    background:#0f0f0f;
}

.final-cta-box{
    display:flex;
    gap:30px;
    align-items:center;
    justify-content:space-between;
    padding: 34px;
    border-radius: 22px;
    border: 1px solid rgba(255,255,255,0.1);
    background: rgba(255,255,255,0.03);
}

.final-cta-box h2{
    color:#fff;
    margin: 10px 0 10px;
}

.final-cta-box p{
    color: rgba(255,255,255,0.75);
    max-width: 680px;
}

.final-cta-actions{
    display:flex;
    gap:14px;
    flex-wrap:wrap;
    justify-content:flex-end;
}

.btn-primary.dark{
    background:#fff;
    color:#111;
}

.btn-line.dark{
    color:#fff;
    border-color: rgba(255,255,255,0.65);
}

@media (max-width: 900px){
    .final-cta-box{
        flex-direction:column;
        align-items:flex-start;
    }
    .final-cta-actions{
        justify-content:flex-start;
    }
}

/* =========================
   INTRO LOGO ANIMATION
========================= */
html.is-loading body{
  overflow: hidden;
}

/* Κρύβουμε προσωρινά όλο το περιεχόμενο (εκτός intro) */
html.is-loading header,
html.is-loading main,
html.is-loading section,
html.is-loading footer{
  opacity: 0;
}

/* Αν δεν έχεις <main>, το παραπάνω δεν πειράζει. */

.intro{
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: grid;
  place-items: center;
  background: #fff; /* άλλαξε σε #0f0f0f αν θες μαύρο intro */
}

.intro-logo{
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  transform-origin: center;
  will-change: transform, opacity;
}

/* Λίγο πιο “hero” στην αρχή */
.intro-logo .logo-main{
  font-size: 38px;
  letter-spacing: 1px;
}

.intro-logo .logo-sub{
  font-size: 12px;
  letter-spacing: 3px;
  opacity: 0.8;
}

/* όταν τελειώσει η μετάβαση */
.intro.is-done{
  opacity: 0;
  pointer-events: none;
  transition: opacity 700ms ease;
}

/* =========================
   SCROLL REVEAL
========================= */
.reveal{
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 650ms ease, transform 650ms ease;
  will-change: opacity, transform;
}

.reveal.in-view{
  opacity: 1;
  transform: translateY(0);
}

/* Αν κάποιος έχει reduced motion */
@media (prefers-reduced-motion: reduce){
  .reveal{
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  .intro{
    display: none !important;
  }
  html.is-loading header,
  html.is-loading main,
  html.is-loading section,
  html.is-loading footer{
    opacity: 1 !important;
  }
}

.product-card.reveal,
.trust-item.reveal,
.review-card-clean.reveal{
  transition-delay: 80ms;
}


/* =========================================
   TRANSPARENT HEADER (HOME PAGE ONLY)
   ========================================= */
body.home-page .site-header {
    background: transparent;
    border-bottom: 1px solid transparent;
    transition: background 0.4s ease, border-bottom 0.4s ease, box-shadow 0.4s ease;
}

body.home-page .site-header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid var(--border-light);
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

/* Όταν το μενού είναι διάφανο, κάνουμε τα γράμματα Λευκά */
body.home-page .site-header:not(.scrolled) .logo-main,
body.home-page .site-header:not(.scrolled) .menu-text,
body.home-page .site-header:not(.scrolled) .contact-link {
    color: #fff;
}

body.home-page .site-header:not(.scrolled) .logo-sub {
    color: rgba(255,255,255,0.8);
}

body.home-page .site-header:not(.scrolled) .hamburger-icon span {
    background: #fff;
}

/* HERO SLIDER BG */
.heroSwiper .bg-slide {
    background-size: cover;
    background-position: center;
    width: 100%;
    height: 100%;
}

/* =========================================
   LANGUAGE SWITCHER BUTTON
   ========================================= */
.lang-btn {
    font-family: var(--font-main);
    font-weight: 800;
    font-size: 0.8rem;
    letter-spacing: 1px;
    padding: 6px 10px;
    border: 1px solid currentColor; /* Παίρνει αυτόματα το χρώμα του header (μαύρο ή λευκό) */
    border-radius: 4px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

/* Hover effect - αντιστροφή χρωμάτων */
.lang-btn:hover {
    background-color: currentColor;
}

/* Όταν το Header είναι ΛΕΥΚΟ (μαύρα γράμματα) */
.site-header .lang-btn:hover {
    color: #fff;
}

/* Όταν το Header είναι ΔΙΑΦΑΝΟ (αρχική σελίδα, λευκά γράμματα) */
body.home-page .site-header:not(.scrolled) .lang-btn {
    color: #fff;
}

body.home-page .site-header:not(.scrolled) .lang-btn:hover {
    background-color: #fff;
    color: #000 !important;
}