:root {
    --primary: #0a4da2;
    --primary-dark: #073a7a;
    --secondary: #2c3e50;
    --accent: #00d2ff;
    --text: #333333;
    --text-light: #666666;
    --white: #ffffff;
    --bg-light: #f8fbff;
    --blue-grey: #e8ecf1;
    --transition: all 0.3s ease;
    --max-width: 1200px;
}

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

body {
    font-family: 'Inter', sans-serif;
    color: var(--text);
    line-height: 1.6;
    background-color: var(--white);
    overflow-x: hidden;
}

h1, h2, h3 {
    font-family: 'Outfit', sans-serif;
    line-height: 1.2;
    margin-bottom: 1rem;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

.container {
    width: 90%;
    max-width: var(--max-width);
    margin: 0 auto;
}

.section {
    padding: 100px 0;
}

.text-center {
    text-align: center;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

/* Header & Nav */
header {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    height: 80px;
    display: flex;
    align-items: center;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
}

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

.logo img {
    height: 50px;
    width: auto;
}

.nav-links {
    display: flex;
    gap: 40px;
    align-items: center;
}

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

.btn-nav {
    background-color: var(--primary);
    color: var(--white) !important;
    padding: 10px 25px;
    border-radius: 50px;
    font-weight: 600;
}

.btn-nav:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
}

.lang-switcher select {
    background: var(--blue-grey);
    border: none;
    padding: 5px 10px;
    border-radius: 5px;
    font-weight: 600;
    cursor: pointer;
    outline: none;
}

/* Hero Section */
.hero {
    height: 100vh;
    background: url('assets/hero-bg.jpg') center/cover no-repeat;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
    color: var(--white);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(10, 77, 162, 0.9) 0%, rgba(44, 62, 80, 0.7) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 2rem;
    animation: fadeInUp 0.8s ease backwards;
}

.hero p {
    font-size: 1.4rem;
    margin-bottom: 3rem;
    opacity: 0.9;
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

.btn {
    display: inline-block;
    padding: 18px 40px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background-color: var(--accent);
    color: var(--secondary);
    box-shadow: 0 10px 30px rgba(0, 210, 255, 0.3);
}

.btn-primary:hover {
    background-color: var(--white);
    transform: scale(1.05);
}

/* About */
.about {
    background-color: var(--bg-light);
}

.about h2 {
    font-size: 2.5rem;
    color: var(--primary);
}

.about p {
    font-size: 1.1rem;
    color: var(--text-light);
}

.abstract-shape {
    width: 100%;
    height: 400px;
    background: var(--blue-grey);
    border-radius: 30px;
    position: relative;
    overflow: hidden;
}

.abstract-shape::after {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 300px;
    height: 300px;
    background: var(--primary);
    opacity: 0.1;
    border-radius: 50%;
}

/* Services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.service-card {
    background: var(--white);
    padding: 50px 30px;
    border-radius: 20px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    border: 1px solid var(--blue-grey);
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
}

.service-card .icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.service-card h3 {
    color: var(--primary);
}

/* Sectors */
.sectors {
    background: var(--secondary);
    color: var(--white);
}

.sectors h2 {
    margin-bottom: 3rem;
}

.sectors-list-bg {
    background: rgba(255, 255, 255, 0.05);
    padding: 60px;
    border-radius: 30px;
}

.sectors-list {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.sectors-message {
    font-size: 1.1rem;
    opacity: 0.8;
}

/* Why Atonisis */
.why-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 50px;
}

.why-item {
    padding: 40px 20px;
}

.why-number {
    display: block;
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary);
    opacity: 0.2;
    margin-bottom: 1rem;
}

.why-item p {
    font-weight: 600;
}

/* Contact */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    background: var(--blue-grey);
    padding: 60px;
    border-radius: 30px;
}

.contact-info .info-item {
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.contact-cta-box {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.contact-cta-box h3 {
    margin-bottom: 1rem;
}

.btn-secondary {
    background: var(--primary);
    color: var(--white);
    margin-top: 1.5rem;
}

/* Footer */
footer {
    padding: 40px 0;
    border-top: 1px solid var(--blue-grey);
    color: var(--text-light);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 992px) {
    .grid-2, .services-grid, .why-grid, .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .hero h1 {
        font-size: 2.8rem;
    }
    
    .nav-links {
        display: none;
    }
}