/* --- PREMIUM CSS VARIABLES & RESET --- */
:root {
    /* Editorial Color Palette (Light Mode - Default) */
    --bg-main: #EFECE6;        /* Warm Stone / Beige */
    --bg-secondary: #E5E1D8;   /* Ελαφρώς πιο σκούρο για το Hero */
    --text-main: #1C1B1A;      /* Deep Charcoal */
    --text-muted: #6B6863;     
    --accent: #FF522D;         /* Electric Terracotta */
    --border-color: rgba(28, 27, 26, 0.12); 
    
    /* Typography */
    --hero-title-size: clamp(5rem, 12vw, 16rem); 
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* High-End Transitions */
    --bezier-smooth: cubic-bezier(0.16, 1, 0.3, 1); 
    --transition-fast: 0.3s var(--bezier-smooth);
    --transition-slow: 0.8s var(--bezier-smooth);
}

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

html {
    font-size: 62.5%; 
    scroll-behavior: smooth;
    scroll-padding-top: 12rem; 
}

/* Προσθήκη transition στο body για να αλλάζουν τα χρώματα ομαλά όταν πατάς το κουμπί */
body {
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: var(--font-body);
    font-size: 1.6rem;
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased; 
    -moz-osx-font-smoothing: grayscale;
    transition: background-color var(--transition-slow), color var(--transition-slow);
}

/* --- UTILITY CLASSES --- */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 4rem;
}

/* --- PREMIUM BUTTON STYLING --- */
.btn, .btn-sm {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1.8rem 4rem;
    background-color: transparent;
    color: var(--text-main);
    border: 1px solid var(--text-main);
    text-decoration: none;
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 1.4rem;
    letter-spacing: 1px;
    border-radius: 100px; 
    transition: var(--transition-fast);
    overflow: hidden;
    position: relative;
    z-index: 1;
}

.btn::before, .btn-sm::before {
    content: '';
    position: absolute;
    top: 0;
    left: -2px;      
    width: 105%;     
    height: 100%;
    background-color: var(--text-main);
    z-index: -1;
    transform: scaleY(0);
    transform-origin: bottom;
    transition: transform 0.4s var(--bezier-smooth);
}

.btn:hover, .btn-sm:hover {
    color: var(--bg-main);
    border-color: var(--text-main);
}

.btn:hover::before, .btn-sm:hover::before {
    transform: scaleY(1);
}

.btn-sm {
    padding: 1.2rem 2.8rem;
    font-size: 1.2rem;
}

/* Text Buttons with Accent Arrow */
.btn-text {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-main);
    text-decoration: none;
    font-weight: 500;
    text-transform: uppercase;
    font-size: 1.4rem;
    letter-spacing: 1px;
    padding-bottom: 5px;
    border-bottom: 1px solid var(--text-main);
    transition: var(--transition-fast);
}

.btn-text .arrow {
    transition: transform var(--transition-fast), color var(--transition-fast);
}

.btn-text:hover {
    gap: 1.5rem; 
    border-color: transparent;
}

.btn-text:hover .arrow {
    color: var(--accent); 
    transform: translateX(4px);
}

.accent-text {
    color: var(--text-main);
    font-weight: 600;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(3rem, 5vw, 6rem);
    letter-spacing: -2px;
    line-height: 1;
    margin-bottom: 6rem;
    color: var(--text-main);
    text-transform: uppercase;
}

/* --- SECTION: HEADER & NAV --- */
.header {
    padding: 2rem 0; 
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1002;
    background-color: rgba(229, 225, 216, 0.85); 
    backdrop-filter: blur(12px); 
    border-bottom: 1px solid var(--border-color); 
    transition: var(--transition-fast), background-color var(--transition-slow);
}

body.darkmode .header {
    background-color: rgba(40, 38, 36, 0.85); 
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 2.4rem; 
    font-weight: 700;
    color: var(--text-main);
    text-decoration: none;
    letter-spacing: -1.5px;
    text-transform: uppercase;
    position: relative;
    z-index: 1003; /* Κρατάει το logo πάνω από το mobile menu */
}

/* Κουμπί Mobile Menu (Κρυμμένο στο Desktop) */
.hamburger {
    display: none;
}

/* Νέα δομή Flexbox για το Nav */
.main-nav {
    display: flex;
    align-items: center;
    gap: 5rem; 
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 3.5rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-main);
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 1.3rem;
    letter-spacing: 1px;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 1px;
    bottom: -4px;
    left: 0;
    background-color: var(--accent); 
    transition: width var(--transition-fast);
}

.nav-links a:hover {
    color: var(--text-main);
}

.nav-links a:hover::after {
    width: 100%;
}

/* Actions Group (Κουμπί + Εργαλεία) */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 2.5rem; 
}

/* Tools Group (Γλώσσα + Dark Mode) */
.nav-tools {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding-left: 2.5rem;
    border-left: 1px solid var(--border-color); 
}

/* --- THEME TOGGLE BUTTON --- */
.theme-toggle-btn {
    background: transparent;
    border: none;
    color: var(--text-muted); 
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
    transition: color var(--transition-fast), transform var(--transition-fast);
}

.theme-toggle-btn:hover {
    color: var(--accent);
    transform: scale(1.1);
}

/* --- SECTION: HERO --- */
.hero {
    min-height: 100dvh; /* ΑΛΛΑΓΗ ΕΔΩ: Το κάναμε dvh για να διαβάζει 100% σωστά το ύψος σε ΟΛΕΣ τις συσκευές */
    display: flex;
    align-items: center;
    justify-content: center; 
    padding-top: 10rem;
    padding-bottom: 8rem; /* ΑΛΛΑΓΗ ΕΔΩ: Δώσαμε λίγο "αέρα" από κάτω για να έχει χώρο η λωρίδα */
    position: relative; 
    background-color: var(--bg-secondary); 
    transition: background-color var(--transition-slow);
}

.hero-content {
    max-width: 1200px;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    z-index: 2; 
}

.hero-tagline {
    font-family: var(--font-body);
    font-size: 1.4rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    margin-bottom: 2rem;
    color: var(--accent); 
    font-weight: 600;
}

.hero-main-title {
    font-family: var(--font-heading);
    font-size: var(--hero-title-size);
    font-weight: 700;
    line-height: 0.85;
    letter-spacing: -0.05em; 
    margin-bottom: 4rem;
    color: var(--text-main);
    text-shadow: 0px 4px 15px rgba(0,0,0,0.05); 
}

.hero-subtitle {
    font-size: clamp(1.6rem, 2vw, 2.2rem);
    color: var(--text-muted);
    max-width: 650px;
    margin: 0 auto 5rem;
    font-weight: 400;
    line-height: 1.5;
    text-align: center; 
}

/* Scroll Down Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 4rem;
    left: 50%; 
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    opacity: 0.6;
}
.scroll-indicator span {
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}
.scroll-indicator .line {
    width: 1px;
    height: 40px;
    background-color: var(--text-main);
    transform-origin: top;
    animation: stretchLine 2s infinite var(--bezier-smooth);
}
@keyframes stretchLine {
    0% { transform: scaleY(0); }
    50% { transform: scaleY(1); }
    100% { transform: scaleY(0); transform-origin: bottom;}
}

/* --- PREMIUM MARQUEE STRIP --- */
.hero-marquee {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    overflow: hidden;
    border-top: 1px solid var(--border-color);
    background-color: transparent;
    padding: 1.5rem 0;
    display: flex;
    white-space: nowrap;
    z-index: 10;
}

.marquee-track {
    display: flex;
    width: max-content;
    animation: scroll-marquee 40s linear infinite; 
}

.marquee-content {
    display: flex;
    align-items: center;
    justify-content: space-around;
}

.marquee-content span {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-main);
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 0 3rem; 
}

.marquee-content .star {
    color: var(--accent);
    font-size: 1.6rem;
    padding: 0;
}

@keyframes scroll-marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* --- SECTION: SERVICES --- */
.services {
    padding: 15rem 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
}

.service-card {
    padding: 5rem 4rem;
    border: 1px solid var(--border-color);
    border-radius: 0; 
    background: transparent;
    transition: var(--transition-slow);
}

.service-card:hover {
    border-color: var(--text-main); 
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.03); 
}

.service-card h3 {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    letter-spacing: -1px;
    margin-bottom: 2rem;
    color: var(--text-main);
}

.service-card p {
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--text-muted);
}

/* --- SECTION: PRICING --- */
.pricing {
    padding: 10rem 0;
    background-color: var(--bg-main);
    transition: background-color var(--transition-slow);
}

.pricing-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 3rem;
    justify-content: center;
}

.pricing-card {
    flex: 1 1 300px; 
    max-width: 350px;
    padding: 4rem 3rem;
    border: 1px solid var(--border-color);
    background: transparent;
    position: relative;
    transition: var(--transition-slow);
    display: flex;
    flex-direction: column;
}

.pricing-card:hover {
    border-color: var(--text-main);
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.03); 
}

.pricing-card.popular {
    background-color: var(--text-main);
    color: var(--bg-main);
    transform: scale(1.03); 
    border-color: var(--text-main);
    z-index: 2;
}

.pricing-card.popular:hover {
    transform: scale(1.03) translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15); 
}

.popular-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--accent); 
    color: #FFFFFF;
    padding: 0.6rem 2rem;
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 1px;
    border-radius: 100px;
    border: none;
    box-shadow: 0 4px 10px rgba(255, 82, 45, 0.3);
}

.pricing-card h4 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    letter-spacing: 1px;
    margin-bottom: 1.5rem;
}

.pricing-desc {
    font-size: 1.3rem;
    color: var(--text-muted);
    margin-bottom: 3rem;
    min-height: 40px; 
}

.pricing-card.popular .pricing-desc {
    color: rgba(239, 236, 230, 0.7); 
}
body.darkmode .pricing-card.popular .pricing-desc {
    color: rgba(28, 27, 26, 0.7); 
}

.price {
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid var(--border-color);
}

.price span {
    font-size: 1.4rem;
    font-weight: 400;
    font-family: var(--font-body);
}

.pricing-card.popular .price {
    border-bottom-color: rgba(239, 236, 230, 0.2);
}
body.darkmode .pricing-card.popular .price {
    border-bottom-color: rgba(28, 27, 26, 0.2);
}

.features {
    list-style: none;
    flex-grow: 1; 
}

.features li {
    font-size: 1.4rem;
    margin-bottom: 1.5rem;
    padding-left: 2rem;
    position: relative;
}

.features li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--text-main);
}

.pricing-card.popular .features li::before {
    color: var(--accent); 
}

.pricing-card .note {
    font-size: 1.1rem;
    margin-top: 2rem;
    font-style: italic;
    color: var(--text-muted);
}

/* --- SECTION: OUR LATEST WORK --- */
.work {
    padding: 10rem 0 15rem;
}

.project-showcase {
    padding: 0;
    display: flex;
    gap: 8rem;
    align-items: center;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 8rem 0;
}

.project-branding {
    flex: 1;
    text-align: left;
    font-family: 'Times New Roman', Times, serif;
    font-size: clamp(3rem, 4vw, 4rem);
    font-weight: normal;
    color: var(--text-main);
    line-height: 1;
}

.project-details {
    flex: 1;
}

.project-details p {
    font-size: 1.8rem;
    font-weight: 400;
    color: var(--text-muted);
    margin-bottom: 4rem;
    max-width: 500px;
}

/* --- SECTION: CONTACT --- */
.contact {
    padding: 15rem 0;
    background-color: var(--text-main);
    color: var(--bg-main); 
    transition: background-color var(--transition-slow), color var(--transition-slow);
}

.contact .section-title {
    color: var(--bg-main);
}

.contact-content {
    max-width: 900px;
    text-align: center;
    margin: 0 auto;
}

.contact-content p {
    font-size: 2.4rem;
    line-height: 1.4;
    color: rgba(239, 236, 230, 0.8);
    margin-bottom: 6rem;
    font-family: var(--font-heading);
    letter-spacing: -1px;
}
body.darkmode .contact-content p {
    color: rgba(28, 27, 26, 0.8); 
}

.contact-cta .btn {
    background-color: var(--bg-main);
    color: var(--text-main);
    border: none;
}

.contact-cta .btn::before {
    background-color: #FFFFFF; 
}
.contact-cta .btn:hover {
    color: var(--text-main) !important; 
}

body.darkmode .contact-cta .btn::before {
     background-color: #3A3835; 
}
body.darkmode .contact-cta .btn:hover {
    color: var(--text-main) !important; 
}

.contact-cta p {
    font-family: var(--font-body);
    font-size: 1.4rem;
    margin-top: 2rem;
    letter-spacing: 1px;
    color: rgba(239, 236, 230, 0.6);
}

/* --- SECTION: FOOTER --- */
.footer {
    padding: 8rem 0 4rem;
    background-color: #1C1B1A !important; 
    color: rgba(239, 236, 230, 0.6) !important; 
    font-size: 1.3rem;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding-bottom: 6rem;
    border-bottom: 1px solid rgba(239, 236, 230, 0.1);
    margin-bottom: 4rem;
}

.footer-brand .logo {
    color: #EFECE6 !important; 
    display: block;
    margin-bottom: 1.5rem;
    font-size: 3.5rem;
}

.footer-brand p {
    max-width: 300px;
    font-size: 1.5rem;
    line-height: 1.6;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    text-align: right;
}

.footer-link {
    color: #EFECE6 !important; 
    text-decoration: none;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--accent) !important; 
}

@media (min-width: 992px) {
    .footer-brand p {
        white-space: nowrap;
    }
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 1.2rem;
}

.footer-meta {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.footer .accent-text {
    color: #EFECE6 !important;
}

/* --- CONTACT PAGE FORM STYLES --- */
.form-section {
    min-height: 100vh;
    padding-top: 15rem;
    padding-bottom: 10rem;
    display: flex;
    justify-content: center;
}

.form-container {
    max-width: 700px;
    width: 100%;
}

.form-title {
    font-family: var(--font-heading);
    font-size: clamp(3rem, 5vw, 5rem);
    letter-spacing: -1px;
    margin-bottom: 2rem;
    color: var(--text-main); 
}

.form-subtitle {
    font-size: 1.6rem;
    color: var(--text-muted);
    margin-bottom: 5rem;
}

.custom-form .form-group {
    margin-bottom: 4rem;
}

.custom-form label {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.3rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 1rem;
    color: var(--text-main);
}

.custom-form input[type="text"],
.custom-form input[type="email"],
.custom-form textarea {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-main);
    font-family: var(--font-body);
    font-size: 1.6rem;
    padding: 1.5rem 0;
    transition: var(--transition-fast);
    outline: none;
    border-radius: 0;
}

.custom-form input:focus,
.custom-form textarea:focus {
    border-bottom-color: var(--accent); 
}

.custom-form textarea {
    resize: vertical;
}

.custom-form input::placeholder,
.custom-form textarea::placeholder {
    color: var(--text-muted);
    opacity: 0.6;
}

/* Custom Radio Buttons */
.radio-group {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 2rem;
}

.radio-label {
    display: flex !important;
    align-items: center;
    cursor: pointer;
    font-family: var(--font-body) !important;
    text-transform: none !important;
    font-size: 1.5rem !important;
    color: var(--text-main) !important;
    transition: color var(--transition-fast);
}

.radio-label input {
    display: none; 
}

.custom-radio {
    width: 20px;
    height: 20px;
    border: 1px solid var(--border-color);
    border-radius: 50%;
    margin-right: 1.5rem;
    display: inline-block;
    position: relative;
    transition: var(--transition-fast);
}

.custom-radio::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--accent); 
    transition: transform var(--transition-fast);
}

.radio-label:hover .custom-radio {
    border-color: var(--text-main);
}

.radio-label input:checked + .custom-radio {
    border-color: var(--accent);
}

.radio-label input:checked + .custom-radio::after {
    transform: translate(-50%, -50%) scale(1);
}

.custom-form .btn {
    width: 100%;
    margin-top: 2rem;
    cursor: pointer;
}

/* --- MINIMAL LANGUAGE TOAST (TOOLTIP BUBBLE) --- */
.lang-selector {
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 600;
    letter-spacing: 1px;
    position: relative;
}

.active-lang {
    color: var(--accent);
    cursor: default;
}

.lang-sep {
    color: var(--text-muted);
    font-weight: 400;
    font-size: 1.2rem;
}

.lang-link {
    color: var(--text-main);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.lang-link:hover {
    color: var(--accent);
}

.lang-toast {
    position: absolute; 
    top: 40px;
    right: -10px;
    background-color: #1C1B1A;
    color: #EFECE6;
    padding: 10px 18px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    z-index: 990;
    font-family: var(--font-body);
    font-size: 1.3rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-15px);
    transition: opacity 0.4s ease, transform 0.4s ease, visibility 0.4s;
}

.lang-toast::before {
    content: '';
    position: absolute;
    top: -6px;
    right: 25px;
    width: 10px;
    height: 10px;
    background-color: #1C1B1A;
    transform: rotate(45deg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-left: 1px solid rgba(255, 255, 255, 0.1);
}

.lang-toast.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.toast-link {
    color: var(--accent);
    font-weight: 600;
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s ease;
}

.toast-link:hover { border-color: var(--accent); }

.close-toast {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.4);
    font-size: 1.4rem;
    cursor: pointer;
    padding: 0;
    transition: color 0.3s ease;
}

.close-toast:hover { color: white; }

/* --- PREMIUM ANIMATIONS --- */
@keyframes blurReveal {
    0% { opacity: 0; transform: translateY(40px) scale(0.98); filter: blur(15px); }
    100% { opacity: 1; transform: translateY(0) scale(1); filter: blur(0); }
}

.animate-on-load { opacity: 0; animation: blurReveal 1.2s var(--bezier-smooth) forwards; }
.animate-text-slide { opacity: 0; animation: blurReveal 1.4s var(--bezier-smooth) forwards; }
.animate-text-slide2 { opacity: 0; animation: blurReveal 1.6s var(--bezier-smooth) forwards; }

.animate-on-scroll {
    opacity: 0; transform: translateY(40px); filter: blur(10px);
    transition: opacity 1s var(--bezier-smooth), transform 1s var(--bezier-smooth), filter 1s var(--bezier-smooth);
}
.animate-on-scroll.active { opacity: 1; transform: translateY(0); filter: blur(0); }

.header { animation-delay: 0.1s; }
.hero-tagline { animation-delay: 0.3s; }
.hero-main-title { animation-delay: 0.5s; }
.hero-subtitle { animation-delay: 0.7s; }
.hero-cta { animation-delay: 0.9s; }

/* --- RESPONSIVE MEDIA QUERIES & MODERN MOBILE MENU --- */
@media (max-width: 1200px) {
    html { font-size: 55%; }
}

/* TABLETS (PORTRAIT & LANDSCAPE) */
@media (max-width: 1024px) {
    .container { padding: 0 3rem; }
    .project-showcase { flex-direction: column; gap: 4rem; padding: 6rem 0; text-align: left;}
    .services-grid { grid-template-columns: 1fr; gap: 2rem;}
    .service-card { padding: 4rem 3rem; }
    
    /* ΕΔΩ ΕΙΝΑΙ Η ΔΙΟΡΘΩΣΗ ΓΙΑ TABLETS: 
       Χρησιμοποιούμε 100dvh και προσθέτουμε padding για να μην "καβαλάει" η λωρίδα το κείμενο */
    .hero { 
        background: var(--bg-main); 
        justify-content: center; 
        text-align: center; 
        min-height: 100dvh; 
        padding-bottom: 12rem; 
    }
    .hero-content { align-items: center; }
}

@media (max-width: 768px) {
    /* Εμφάνιση & Animation του Hamburger (Γίνεται X) */
    .hamburger {
        display: flex; background: transparent; border: none; cursor: pointer;
        flex-direction: column; gap: 6px; padding: 10px; z-index: 1005; 
    }
    .hamburger span {
        display: block; width: 30px; height: 2px; background-color: var(--text-main);
        transition: transform 0.3s ease, opacity 0.3s ease; transform-origin: center;
    }
    
    .hamburger.is-active span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
    .hamburger.is-active span:nth-child(2) { opacity: 0; }
    .hamburger.is-active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

    /* MODERN FULL-SCREEN MENU */
    .main-nav {
        position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
        background-color: var(--bg-main);
        flex-direction: column; justify-content: center; align-items: center;
        padding: 2rem; z-index: 1000;
        opacity: 0; visibility: hidden; transform: translateY(-20px);
        transition: opacity 0.4s ease, visibility 0.4s, transform 0.4s ease;
    }
    
    body.darkmode .main-nav { background-color: var(--bg-main); }
    .main-nav.open { opacity: 1; visibility: visible; transform: translateY(0); }

    .nav-links { flex-direction: column; gap: 4rem; width: 100%; text-align: center; }
    .nav-links a { font-size: 3rem; font-family: var(--font-heading); font-weight: 600; }
    .nav-links a::after { display: none; }
    
    .nav-actions { flex-direction: column; gap: 4rem; width: 100%; margin-top: 4rem; }
    .nav-tools { padding-left: 0; border-left: none; justify-content: center; width: 100%; gap: 3rem; }

    .lang-toast { display: none !important; }

    .hero-content { padding-top: 5rem; }
    .contact-content p { font-size: 1.8rem; }
    .scroll-indicator { display: none; } 
    .footer-top { flex-direction: column; gap: 4rem; text-align: left; }
    .footer-links { text-align: left; }
    .footer-bottom { flex-direction: column-reverse; gap: 2rem; text-align: left; align-items: flex-start; }
}

@media (max-width: 576px) {
    .container { padding: 0 2rem; }
    /* Διατηρούμε το 100dvh και για τα κινητά */
    .hero { 
        min-height: 100dvh; 
        padding-bottom: 10rem;
    } 
    .project-branding { font-size: 3rem; }
    .flex-footer { flex-direction: column; gap: 2rem; text-align: center; }
}
/* --- THE DARK MODE CLASS (ΤΕΛΟΣ ΑΡΧΕΙΟΥ) --- */
body.darkmode {
    --bg-main: #1C1B1A;        
    --bg-secondary: #282624;   
    --text-main: #EFECE6;      
    --text-muted: #A6A29A;     
    --accent: #FF522D;         
    --border-color: rgba(239, 236, 230, 0.15);
}
/* --- COOKIE BANNER --- */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: var(--bg-main);
    border-top: 1px solid var(--border-color);
    padding: 2rem 0;
    z-index: 2000;
    transform: translateY(100%);
    transition: transform 0.6s cubic-bezier(0.85, 0, 0.15, 1);
    backdrop-filter: blur(10px);
}

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

.cookie-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.cookie-content p {
    font-size: 1.4rem;
    color: var(--text-muted);
}

.cookie-content a {
    color: var(--text-main);
    text-decoration: underline;
}

.cookie-content .btn-sm {
    white-space: nowrap;
    background-color: var(--text-main);
    color: var(--bg-main);
    padding: 1rem 2rem;
    border: none;
    cursor: pointer;
    font-weight: 600;
    font-size: 1.2rem;
}

@media (max-width: 768px) {
    .cookie-content {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }

    .header .flex-nav .nav-actions {
        flex-direction: row !important;
        gap: 1.5rem !important;
        width: auto !important;
        margin-top: 0 !important;
    }

    .header .btn-text {
        font-size: 0; 
        border-bottom: none;
        padding-bottom: 0;
    }

    .header .btn-text .arrow {
        font-size: 2rem;
        color: var(--text-main);
    }
    
    .header .nav-tools {
        padding-left: 1.5rem;
        gap: 1rem;
    }
}