@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=Rajdhani:wght@300;400;500;600;700&family=Space+Grotesk:wght@300;400;500;600;700&display=swap');

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

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    font-family: 'Space Grotesk', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background:
        linear-gradient(rgba(0, 188, 212, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 188, 212, 0.03) 1px, transparent 1px),
        linear-gradient(135deg, #0a0e27 0%, #151b3d 50%, #1a2142 100%);
    background-size: 50px 50px, 50px 50px, 100% 100%;
    background-attachment: fixed;
    color: #ffffff;
    overflow-x: hidden;
    transition: all 0.3s ease;
    width: 100%;
    min-width: 320px;
    position: relative;
    animation: bodyGridMove 30s linear infinite;
}

@keyframes bodyGridMove {
    0% { background-position: 0 0, 0 0, 0 0; }
    100% { background-position: 50px 50px, 50px 50px, 0 0; }
}

body.light-mode {
    background:
        linear-gradient(rgba(0, 188, 212, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 188, 212, 0.04) 1px, transparent 1px),
        linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 50%, #e0e7ff 100%);
    background-size: 50px 50px, 50px 50px, 100% 100%;
    background-attachment: fixed;
    color: #333333;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 14, 39, 0.8);
    backdrop-filter: blur(20px);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-bottom: 1px solid rgba(0, 188, 212, 0.1);
}

body.light-mode nav {
    background: rgba(255, 255, 255, 0.9);
    border-bottom: 1px solid rgba(0, 188, 212, 0.15);
}

nav.scrolled {
    padding: 0.5rem 0;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
    width: 100%;
}

@media (max-width: 768px) {
    .nav-container {
        padding: 0 0.75rem;
        max-width: 100%;
        gap: 0.5rem;
    }
}

.nav-logo {
    font-size: 1.8rem;
    font-weight: 900;
    font-family: 'Orbitron', monospace;
    background: linear-gradient(135deg, #00bcd4 0%, #1a237e 50%, #00bcd4 100%);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    cursor: pointer;
    transition: all 0.3s ease;
    animation: gradientShift 3s ease infinite;
    letter-spacing: 2px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-logo-img {
    height: 50px;
    width: auto;
    object-fit: contain;
}

.nav-logo-light {
    display: none;
}

body.light-mode .nav-logo-dark {
    display: none;
}

body.light-mode .nav-logo-light {
    display: block;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

@media (max-width: 768px) {
    .nav-logo {
        font-size: 1.8rem;
        white-space: nowrap;
        overflow: hidden;
        flex: 1;
        max-width: calc(100% - 80px);
    }
}

@media (max-width: 480px) {
    .nav-logo {
        font-size: 1.6rem;
        max-width: calc(100% - 70px);
    }
}

@media (max-width: 360px) {
    .nav-logo {
        font-size: 1.4rem;
    }
}

.nav-logo:hover {
    transform: scale(1.05);
}

.nav-center {
    display: flex;
    align-items: center;
    gap: 3rem;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links > li {
    position: relative;
}

.nav-links a {
    color: #b8c5d6;
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 0;
    transition: all 0.3s ease;
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, #00bcd4 0%, #1a237e 100%);
    transition: width 0.3s ease;
}

body.light-mode .nav-links a {
    color: #334155;
}

.nav-links a:hover {
    color: #00bcd4;
}

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

.dropdown-arrow {
    font-size: 0.5rem;
    margin-left: 0.4rem;
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 1rem);
    left: 0;
    background: rgba(21, 27, 61, 0.98);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 188, 212, 0.2);
    border-radius: 12px;
    padding: 0.75rem;
    min-width: 280px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

body.light-mode .dropdown-menu {
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid rgba(0, 188, 212, 0.2);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

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

.dropdown-menu a {
    display: block;
    padding: 0.75rem 1rem;
    color: #b8c5d6;
    text-decoration: none;
    transition: all 0.3s ease;
    border-radius: 8px;
    white-space: nowrap;
    font-weight: 500;
}

body.light-mode .dropdown-menu a {
    color: #334155;
}

.dropdown-menu a:hover {
    background: rgba(0, 188, 212, 0.1);
    color: #00bcd4;
    transform: translateX(5px);
}

/* Nested dropdown support */
.dropdown-item {
    position: relative;
}

.dropdown-item > a {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
    padding-right: 1rem;
}

.submenu-arrow {
    font-size: 0.6rem;
    opacity: 0.7;
    margin-left: auto;
    flex-shrink: 0;
}

.dropdown-submenu {
    position: absolute;
    left: 100%;
    top: 0;
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 188, 212, 0.2);
    border-radius: 15px;
    padding: 0.5rem 0;
    min-width: 180px;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-10px);
    transition: all 0.3s ease;
    white-space: nowrap;
}

body.light-mode .dropdown-submenu {
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid rgba(0, 188, 212, 0.3);
}

.dropdown-submenu a {
    padding: 0.6rem 1.2rem !important;
    font-size: 0.9rem;
}

.dropdown-item:hover .dropdown-submenu {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Improved Theme Toggle with Icon in Handle */
.theme-toggle {
    position: relative;
    display: inline-block;
    width: 70px;
    height: 35px;
}

.theme-toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #1a2142 0%, #151b3d 100%);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 35px;
    border: 2px solid rgba(0, 188, 212, 0.3);
}

.slider:before {
    position: absolute;
    content: "🌙";
    height: 27px;
    width: 27px;
    left: 4px;
    bottom: 2px;
    background: linear-gradient(135deg, #00bcd4 0%, #1a237e 100%);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

input:checked + .slider {
    background: linear-gradient(135deg, #00bcd4 0%, #0097a7 100%);
    border: 2px solid rgba(0, 188, 212, 0.6);
}

input:checked + .slider:before {
    transform: translateX(35px);
    content: "☀️";
    background: linear-gradient(135deg, #ffffff 0%, #e0e0e0 100%);
}

/* Hover effects */
.theme-toggle:hover .slider {
    border-color: #00bcd4;
    box-shadow: 0 0 20px rgba(0, 188, 212, 0.3);
}

.theme-toggle:hover .slider:before {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

/* Active state */
.theme-toggle:active .slider:before {
    width: 32px;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: #00bcd4;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
}

body.light-mode .mobile-menu-toggle {
    color: #1a237e;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

/* Floating Shapes */
.floating-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 1;
    overflow: hidden;
    pointer-events: none;
}

.shape {
    position: absolute;
    background: rgba(0, 188, 212, 0.1);
    border: 1px solid rgba(0, 188, 212, 0.3);
    backdrop-filter: blur(5px);
}

.shape-1 {
    width: 400px;
    height: 400px;
    top: 10%;
    left: 10%;
    border-radius: 20px;
    animation: floatShape1 20s ease-in-out infinite;
}

.shape-2 {
    width: 300px;
    height: 300px;
    bottom: 10%;
    right: 10%;
    border-radius: 50%;
    animation: floatShape2 25s ease-in-out infinite;
    background: rgba(26, 35, 126, 0.1);
    border: 1px solid rgba(26, 35, 126, 0.3);
}

.shape-3 {
    width: 250px;
    height: 250px;
    top: 50%;
    right: 20%;
    transform: rotate(45deg);
    border-radius: 15px;
    animation: floatShape3 18s ease-in-out infinite;
    background: rgba(13, 115, 119, 0.08);
    border: 1px solid rgba(13, 115, 119, 0.25);
}

@keyframes floatShape1 {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(-30px, -30px) rotate(5deg); }
    66% { transform: translate(30px, 30px) rotate(-5deg); }
}

@keyframes floatShape2 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-40px, 40px) scale(1.1); }
}

@keyframes floatShape3 {
    0%, 100% { transform: rotate(45deg) translate(0, 0); }
    33% { transform: rotate(50deg) translate(20px, -20px); }
    66% { transform: rotate(40deg) translate(-20px, 20px); }
}

/* Particles Container */
#particles-js {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 2;
}

body.light-mode .hero {
    background: rgba(255, 255, 255, 0.1);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        linear-gradient(rgba(0, 188, 212, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 188, 212, 0.03) 1px, transparent 1px),
        radial-gradient(circle at 30% 20%, rgba(0, 188, 212, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(26, 35, 126, 0.1) 0%, transparent 50%);
    background-size: 50px 50px, 50px 50px, 100% 100%, 100% 100%;
    z-index: 0;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { background-position: 0 0, 0 0, 0 0, 0 0; }
    100% { background-position: 50px 50px, 50px 50px, 0 0, 0 0; }
}

body.light-mode .hero-bg {
    background:
        linear-gradient(rgba(0, 188, 212, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 188, 212, 0.05) 1px, transparent 1px),
        radial-gradient(circle at 30% 20%, rgba(0, 188, 212, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(26, 35, 126, 0.2) 0%, transparent 50%);
    background-size: 50px 50px, 50px 50px, 100% 100%, 100% 100%;
}

.hero-content {
    max-width: 1200px;
    padding: 0 2rem;
    width: 100%;
    position: relative;
    z-index: 10;
}

@media (max-width: 768px) {
    .hero-content {
        padding: 0 1rem;
        max-width: 100%;
    }
}

.hero-logo {
    margin-bottom: 2rem;
    overflow: visible;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero-logo-img {
    max-width: 209px;
    width: 100%;
    height: auto;
    object-fit: contain;
}

.hero-logo-light {
    display: none;
}

body.light-mode .hero-logo-dark {
    display: none;
}

body.light-mode .hero-logo-light {
    display: block;
}

.hero-logo-text {
    font-size: clamp(3rem, 8vw, 7rem);
    font-weight: 900;
    font-family: 'Orbitron', monospace;
    letter-spacing: -2px;
    background: linear-gradient(45deg, #5dd9e8, #4a6fa5, #4db8bd);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientFlow 3s ease-in-out infinite;
    position: relative;
    filter: drop-shadow(0 0 4px rgba(0, 188, 212, 0.15));
    line-height: 1.1;
    padding: 0.5rem 0;
    overflow: visible;
    user-select: text;
    -webkit-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
}

body.light-mode .hero-logo-text {
    background: none;
    color: #0e7490;
    filter: drop-shadow(0 0 2px rgba(0, 0, 0, 0.1));
    -webkit-background-clip: unset;
    -webkit-text-fill-color: unset;
    background-clip: unset;
}

.hero-subtitle {
    font-family: 'Rajdhani', sans-serif;
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 600;
    color: #5dd9e8;
    margin-bottom: 2rem;
    letter-spacing: 8px;
    text-transform: uppercase;
    animation: neonPulse 2s ease-in-out infinite;
    white-space: nowrap;
    overflow: visible;
    user-select: text;
    -webkit-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
}

body.light-mode .hero-subtitle {
    color: #0e7490;
}

@keyframes neonPulse {
    0%, 100% {
        text-shadow: 0 0 3px rgba(0, 188, 212, 0.12),
                     0 0 6px rgba(0, 188, 212, 0.08),
                     0 0 10px rgba(0, 188, 212, 0.06);
    }
    50% {
        text-shadow: 0 0 5px rgba(0, 188, 212, 0.18),
                     0 0 10px rgba(0, 188, 212, 0.12),
                     0 0 15px rgba(0, 188, 212, 0.08);
    }
}

.hero-description {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    margin-bottom: 3rem;
    color: var(--text-secondary, #b8c5d6);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
    font-weight: 400;
    font-family: 'Space Grotesk', sans-serif;
}

body.light-mode .hero-description {
    color: #334155;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background: linear-gradient(45deg, #00bcd4, #0d7377);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(0, 188, 212, 0.3);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 188, 212, 0.5);
}

/* Solutions Section */
.solutions {
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 3rem;
    margin-bottom: 3rem;
    background: linear-gradient(45deg, #00bcd4, #ffffff);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

body.light-mode .section-title {
    background: none;
    color: #0e7490;
    -webkit-background-clip: unset;
    -webkit-text-fill-color: unset;
    background-clip: unset;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
    width: 100%;
}

@media (max-width: 768px) {
    .solutions-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin-top: 2rem;
    }
}

@media (max-width: 480px) {
    .solutions-grid {
        gap: 1rem;
    }
}

.solution-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 2rem;
    border: 1px solid rgba(0, 188, 212, 0.2);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

body.light-mode .solution-card {
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(0, 188, 212, 0.3);
}

.solution-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 188, 212, 0.1), transparent);
    transition: left 0.5s ease;
}

.solution-card:hover::before {
    left: 100%;
}

.solution-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 188, 212, 0.2);
    border-color: rgba(0, 188, 212, 0.5);
}

.solution-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.solution-icon {
    font-size: 2rem;
    color: #00bcd4;
    flex-shrink: 0;
}

.solution-name {
    font-size: 1.5rem;
    color: #00bcd4;
    font-weight: 600;
    margin: 0;
}

.solution-description {
    opacity: 0.9;
    line-height: 1.8;
}

.greek-accent {
    color: #0d7377;
    font-style: italic;
}

/* Features Section */
.features {
    padding: 6rem 2rem;
    background: rgba(0, 0, 0, 0.1);
}

body.light-mode .features {
    background: transparent;
}

.features-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.features-text h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    background: linear-gradient(45deg, #00bcd4, #ffffff);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

body.light-mode .features-text h2 {
    background: none;
    color: #0e7490;
    -webkit-background-clip: unset;
    -webkit-text-fill-color: unset;
    background-clip: unset;
}

.features-list {
    list-style: none;
}

.features-list li {
    padding: 1rem 0;
    border-bottom: 1px solid rgba(0, 188, 212, 0.1);
    transition: all 0.3s ease;
}

.features-list li:hover {
    padding-left: 1rem;
    color: #00bcd4;
}

.features-visual {
    position: relative;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.network-visualization {
    position: relative;
    width: 300px;
    height: 300px;
}

.network-node {
    position: absolute;
    width: 20px;
    height: 20px;
    background: #00bcd4;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.network-node:nth-child(1) { top: 20%; left: 20%; animation-delay: 0s; }
.network-node:nth-child(2) { top: 20%; right: 20%; animation-delay: 0.5s; }
.network-node:nth-child(3) { bottom: 20%; left: 20%; animation-delay: 1s; }
.network-node:nth-child(4) { bottom: 20%; right: 20%; animation-delay: 1.5s; }
.network-node:nth-child(5) { top: 50%; left: 50%; animation-delay: 2s; background: #0d7377; }

.network-line {
    position: absolute;
    height: 2px;
    background: linear-gradient(90deg, #00bcd4, #0d7377);
    animation: lineGlow 3s ease-in-out infinite;
}

.line-1 { top: 30%; left: 25%; width: 50%; transform: rotate(15deg); }
.line-2 { top: 50%; left: 25%; width: 25%; }
.line-3 { top: 70%; left: 25%; width: 50%; transform: rotate(-15deg); }
.line-4 { top: 30%; right: 25%; width: 25%; }

/* Contact Section */
.contact {
    padding: 6rem 2rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.contact h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    background: linear-gradient(45deg, #00bcd4, #ffffff);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

body.light-mode .contact h2 {
    background: none;
    color: #0e7490;
    -webkit-background-clip: unset;
    -webkit-text-fill-color: unset;
    background-clip: unset;
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-top: 3rem;
}

.contact-item {
    color: #00bcd4;
    text-decoration: none;
    transition: all 0.3s ease;
}

.contact-item:hover {
    color: #ffffff;
    transform: translateY(-2px);
}

/* Footer */
footer {
    background: rgba(21, 27, 61, 0.95);
    backdrop-filter: blur(20px);
    border-top: 1px solid rgba(0, 188, 212, 0.1);
    padding: 4rem 0 2rem;
    margin-top: 4rem;
}

body.light-mode footer {
    background: rgba(255, 255, 255, 0.95);
    border-top: 1px solid rgba(0, 188, 212, 0.15);
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h3 {
    color: #00bcd4;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    font-family: 'Orbitron', monospace;
}

.footer-section p {
    color: #8892a6;
    line-height: 1.8;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: #b8c5d6;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
}

body.light-mode .footer-links a {
    color: #334155;
}

.footer-links a:hover {
    color: #00bcd4;
    transform: translateX(5px);
}

.footer-social,
.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.footer-social a,
.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background: rgba(0, 188, 212, 0.1);
    border-radius: 50%;
    color: #00bcd4;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 1.3rem;
}

.footer-social a:hover,
.social-link:hover {
    background: linear-gradient(135deg, #00bcd4 0%, #1a237e 100%);
    color: #ffffff;
    transform: translateY(-5px);
    box-shadow: 0 0 30px rgba(0, 188, 212, 0.3);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #8892a6;
}

body.light-mode .footer-bottom {
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    color: #64748b;
}

/* Transition Effects */
.slide-in-left {
    transform: translateX(-100px);
    opacity: 0;
    transition: all 0.8s ease;
}

.slide-in-right {
    transform: translateX(100px);
    opacity: 0;
    transition: all 0.8s ease;
}

.scale-in {
    transform: scale(0.8);
    opacity: 0;
    transition: all 0.8s ease;
}

.slide-in-left.visible,
.slide-in-right.visible,
.scale-in.visible {
    transform: translateX(0) scale(1);
    opacity: 1;
}

/* WhatsApp Chat Popup */
.whatsapp-chat {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
}

.whatsapp-button {
    width: 65px;
    height: 65px;
    background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.4);
    cursor: pointer;
    transition: all 0.3s ease;
    animation: whatsappPulse 2s infinite;
}

.whatsapp-button:hover {
    transform: scale(1.1) translateY(-3px);
    box-shadow: 0 12px 40px rgba(37, 211, 102, 0.6);
}

.whatsapp-button svg {
    width: 30px;
    height: 30px;
    fill: white;
}

.whatsapp-tooltip {
    position: absolute;
    right: 70px;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 8px 12px;
    border-radius: 20px;
    font-size: 14px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    pointer-events: none;
}

body.light-mode .whatsapp-tooltip {
    background: rgba(255, 255, 255, 0.9);
    color: #333;
    border: 1px solid rgba(0, 188, 212, 0.2);
}

.whatsapp-tooltip::after {
    content: '';
    position: absolute;
    right: -8px;
    top: 50%;
    transform: translateY(-50%);
    border: 4px solid transparent;
    border-left-color: rgba(0, 0, 0, 0.8);
}

body.light-mode .whatsapp-tooltip::after {
    border-left-color: rgba(255, 255, 255, 0.9);
}

.whatsapp-button:hover .whatsapp-tooltip {
    opacity: 1;
    visibility: visible;
}

@keyframes whatsappPulse {
    0% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.7), 0 0 0 10px rgba(37, 211, 102, 0.1);
    }
    100% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }
}

/* About Us Page Styles */
.page-content {
    display: none;
}

.page-content.active {
    display: block;
}

.page-header {
    padding: 80px 2rem 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 30% 20%, rgba(0, 188, 212, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(26, 35, 126, 0.1) 0%, transparent 50%);
    z-index: -1;
}

body.light-mode .page-header::before {
    background: radial-gradient(circle at 30% 20%, rgba(0, 188, 212, 0.2) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(26, 35, 126, 0.2) 0%, transparent 50%);
}

.page-title {
    font-size: 3.5rem;
    font-weight: 900;
    font-family: 'Orbitron', monospace;
    background: linear-gradient(45deg, #00bcd4, #1a237e);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
}

.page-subtitle {
    font-size: 1.2rem;
    color: #00bcd4;
    max-width: 600px;
    margin: 0 auto;
    opacity: 0.9;
}

.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.story-section {
    padding: 4rem 0;
}

.story-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 3rem;
}

.story-content h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    background: linear-gradient(45deg, #00bcd4, #ffffff);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

body.light-mode .story-content h2 {
    background: none;
    color: #0e7490;
    -webkit-background-clip: unset;
    -webkit-text-fill-color: unset;
    background-clip: unset;
}

.story-content p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    opacity: 0.9;
    line-height: 1.8;
}

.story-visual {
    position: relative;
    height: 300px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    border: 1px solid rgba(0, 188, 212, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

body.light-mode .story-visual {
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(0, 188, 212, 0.3);
}

.story-visual::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 188, 212, 0.1), transparent);
    animation: slideShine 3s ease-in-out infinite;
}

.greek-symbol {
    font-size: 6rem;
    color: rgba(0, 188, 212, 0.3);
    font-family: 'Times New Roman', serif;
}

.values-section {
    padding: 4rem 0;
    background: rgba(0, 0, 0, 0.1);
}

body.light-mode .values-section {
    background: transparent;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.value-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 2rem;
    border: 1px solid rgba(0, 188, 212, 0.2);
    transition: all 0.3s ease;
    text-align: center;
}

body.light-mode .value-card {
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(0, 188, 212, 0.3);
}

.value-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 188, 212, 0.2);
    border-color: rgba(0, 188, 212, 0.5);
}

.value-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #00bcd4;
}

.value-title {
    font-size: 1.3rem;
    color: #00bcd4;
    margin-bottom: 1rem;
    font-weight: 600;
}

.value-description {
    opacity: 0.9;
    line-height: 1.6;
    font-size: 0.95rem;
}

.mission-vision {
    padding: 4rem 0;
}

.mission-vision-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.mission-card, .vision-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 2.5rem;
    border: 1px solid rgba(0, 188, 212, 0.2);
    transition: all 0.3s ease;
}

body.light-mode .mission-card,
body.light-mode .vision-card {
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(0, 188, 212, 0.3);
}

.mission-card:hover,
.vision-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 188, 212, 0.2);
}

.mission-card h3,
.vision-card h3 {
    font-size: 1.8rem;
    color: #00bcd4;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.mission-card .icon,
.vision-card .icon {
    font-size: 2rem;
}

.mission-card p,
.vision-card p {
    margin-bottom: 1rem;
    line-height: 1.7;
    opacity: 0.9;
}

/* Animations */
@keyframes slideShine {
    0% { left: -100%; }
    50% { left: 100%; }
    100% { left: 100%; }
}

/* Team Page Styles */
.team-header {
    text-align: center;
    margin-bottom: 4rem;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
}

.team-member {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 3rem 2rem;
    border: 1px solid rgba(0, 188, 212, 0.2);
    transition: all 0.3s ease;
    text-align: center;
    position: relative;
    overflow: hidden;
}

body.light-mode .team-member {
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(0, 188, 212, 0.3);
}

.team-member::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 188, 212, 0.1), transparent);
    transition: left 0.5s ease;
}

.team-member:hover::before {
    left: 100%;
}

.team-member:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 188, 212, 0.2);
    border-color: rgba(0, 188, 212, 0.5);
}

.member-photo {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    margin: 0 auto 2rem;
    border: 4px solid rgba(0, 188, 212, 0.3);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.team-member:hover .member-photo {
    border-color: #00bcd4;
    transform: scale(1.05);
}

.member-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.member-role {
    font-size: 1rem;
    color: #00bcd4;
    margin-bottom: 0.5rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.member-name {
    font-size: 2rem;
    color: #ffffff;
    margin-bottom: 1.5rem;
    font-weight: 700;
    font-family: 'Orbitron', monospace;
}

body.light-mode .member-name {
    color: #333333;
}

.member-description {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.member-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.member-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: rgba(0, 188, 212, 0.1);
    border-radius: 50%;
    color: #00bcd4;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 1.2rem;
}

.member-link:hover {
    background: #00bcd4;
    color: #ffffff;
    transform: translateY(-3px);
}

.team-section-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 4rem;
}

.team-section-intro p {
    font-size: 1.2rem;
    opacity: 0.9;
    line-height: 1.7;
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(20px);
    padding: 2rem;
    z-index: 999;
    transform: translateY(-100%);
    transition: transform 0.3s ease;
    border-top: 1px solid rgba(0, 188, 212, 0.2);
}

.mobile-menu.active {
    display: block;
    transform: translateY(0);
}

body.light-mode .mobile-menu {
    background: rgba(255, 255, 255, 0.98);
    border-top: 1px solid rgba(0, 188, 212, 0.3);
}

.mobile-nav-links {
    list-style: none;
    padding: 0;
}

.mobile-nav-links li {
    margin-bottom: 1rem;
    border-bottom: 1px solid rgba(0, 188, 212, 0.1);
    padding-bottom: 1rem;
}

.mobile-nav-links a {
    display: block;
    color: #ffffff;
    text-decoration: none;
    font-size: 1.2rem;
    padding: 0.5rem 0;
    transition: color 0.3s ease;
}

body.light-mode .mobile-nav-links a {
    color: #333333;
}

.mobile-nav-links a:hover {
    color: #00bcd4;
}

/* Mobile Theme Toggle */
.mobile-theme-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
    border-top: 1px solid rgba(0, 188, 212, 0.2);
    margin-top: 1rem;
}

.mobile-theme-label {
    color: #ffffff;
    font-size: 1.1rem;
    font-weight: 500;
}

body.light-mode .mobile-theme-label {
    color: #333333;
}

.mobile-theme-toggle .theme-toggle {
    margin: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    html {
        -webkit-text-size-adjust: 100%;
        text-size-adjust: 100%;
        font-size: 14px;
    }

    body {
        overflow-x: hidden;
        min-width: 320px;
        width: 100vw;
        position: relative;
    }

    .hero-logo-text {
        font-size: 2.2rem;
        line-height: 1.1;
        word-break: break-word;
        hyphens: auto;
    }

    .hero-description {
        font-size: 1rem;
        padding: 0 0.5rem;
        line-height: 1.5;
    }

    .nav-links,
    .nav-actions .theme-toggle {
        display: none;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .solutions {
        padding: 3rem 1rem;
    }

    .solutions-grid {
        grid-template-columns: 1fr;
        padding: 0;
        gap: 1.5rem;
    }

    .solution-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 0.5rem;
    }

    .features {
        padding: 3rem 1rem;
    }

    .features-container {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 0;
    }

    .contact {
        padding: 3rem 1rem;
    }

    .contact-info {
        flex-direction: column;
        gap: 1rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .page-title {
        font-size: 2.2rem;
        line-height: 1.2;
        word-break: break-word;
    }

    .story-grid,
    .mission-vision-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .values-grid {
        grid-template-columns: 1fr;
        padding: 0;
    }

    .greek-symbol {
        font-size: 4rem;
    }

    .story-visual {
        height: 200px;
    }

    .team-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 0;
    }

    .member-photo {
        width: 120px;
        height: 120px;
    }

    .nav-logo {
        font-size: 1.5rem;
    }

    .member-name {
        font-size: 1.4rem;
        word-break: break-word;
    }

    .section-title {
        font-size: 2.2rem;
        line-height: 1.2;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 13px;
    }

    .hero-logo-text {
        font-size: 1.8rem;
        letter-spacing: 0.05em;
    }

    .hero-description {
        font-size: 0.9rem;
        padding: 0 0.25rem;
    }

    .page-title {
        font-size: 1.8rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .solutions {
        padding: 2rem 0.5rem;
    }

    .features {
        padding: 2rem 0.5rem;
    }

    .contact {
        padding: 2rem 0.5rem;
    }

    .nav-logo {
        font-size: 1.5rem;
    }

    .solution-card {
        padding: 1.5rem;
    }

    .value-card {
        padding: 1.5rem;
    }
}

@media (max-width: 360px) {
    html {
        font-size: 12px;
    }

    .hero-logo-text {
        font-size: 1.6rem;
    }

    .nav-logo {
        font-size: 1.3rem;
    }

    .solution-card,
    .value-card {
        padding: 1rem;
    }
}

/* Scroll animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Animations */
@keyframes gradientFlow {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.5;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.3);
    }
}

@keyframes lineGlow {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}