:root {
    --primary-color: #0c4a6e;
    /* Deep Ocean Blue */
    --secondary-color: #0ea5e9;
    /* Sky Blue */
    --accent-color: #f59e0b;
    /* Gold/Amber */
    --text-color: #1e293b;
    --light-bg: #f8fafc;
    --dark-bg: #0f172a;
    --white: #ffffff;
    --container-width: 1100px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

h1,
h2,
h3,
.logo {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

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

/* Header & Nav */
header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    height: 80px;
    display: flex;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid #e2e8f0;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

nav .logo-link {
    text-decoration: none;
    cursor: pointer;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: -1px;
}

.logo span {
    color: var(--secondary-color);
    font-weight: 400;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 600;
    transition: var(--transition);
}

nav ul li a:hover {
    color: var(--secondary-color);
}

.lang-selector {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-left: 30px;
    font-size: 0.9rem;
    font-weight: 600;
}

.lang-btn {
    background: none;
    border: none;
    color: #94a3b8;
    cursor: pointer;
    padding: 5px;
    transition: var(--transition);
}

.lang-btn:hover {
    color: var(--secondary-color);
}

.lang-btn.active {
    color: var(--primary-color);
}

.divider {
    color: #e2e8f0;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, #000 100%);
    color: var(--white);
    padding: 140px 0;
    position: relative;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?auto=format&fit=crop&q=80&w=2070') center/cover;
    opacity: 0.2;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 20px;
}

.hero h1 span {
    color: var(--secondary-color);
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 20px;
}

.btn {
    padding: 14px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    display: inline-block;
}

.btn-primary {
    background: var(--secondary-color);
    color: var(--white);
}

.btn-primary:hover {
    background: #0ea5e9e0;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(14, 165, 233, 0.3);
}

.btn-secondary {
    border: 2px solid var(--white);
    color: var(--white);
}

.btn-secondary:hover {
    background: var(--white);
    color: var(--primary-color);
}

/* About Section */
.about {
    padding: 100px 0;
}

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

.about h2 {
    font-size: 2.5rem;
    margin-bottom: 25px;
    color: var(--primary-color);
}

.about p {
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.image-box {
    width: 100%;
    height: 400px;
    background: #e2e8f0 url('https://images.unsplash.com/photo-1522202176988-66273c2fd55f?auto=format&fit=crop&q=80&w=2071') center/cover;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* Services */
.services {
    background: var(--light-bg);
    padding: 100px 0;
}

.services h2 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: #64748b;
    margin-bottom: 60px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--white);
    padding: 50px 30px;
    border-radius: 16px;
    transition: var(--transition);
    border: 1px solid #e2e8f0;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
    border-color: var(--secondary-color);
}

.service-card .icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.service-card h3 {
    margin-bottom: 15px;
}

/* Partners Section */
.partners {
    padding: 100px 0;
    border-top: 1px solid #e2e8f0;
}

.partners h2 {
    font-size: 2.2rem;
    margin-bottom: 50px;
    color: var(--primary-color);
}

.partners-logo-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
}

.partner-logo {
    text-align: center;
    max-width: 250px;
}

.partner-logo img {
    max-width: 100%;
    height: auto;
    filter: grayscale(100%);
    opacity: 0.6;
    transition: var(--transition);
    margin-bottom: 10px;
}

.partner-logo:hover img {
    filter: grayscale(0%);
    opacity: 1;
}

.partner-logo p {
    font-size: 0.9rem;
    color: #64748b;
    font-weight: 500;
}

/* Footer */
footer {
    background: var(--dark-bg);
    color: var(--white);
    padding: 80px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

footer .logo {
    color: var(--white);
    margin-bottom: 20px;
}

footer h4 {
    color: var(--white);
    margin-bottom: 20px;
}

footer ul {
    list-style: none;
}

footer ul li {
    margin-bottom: 10px;
}

footer ul li a {
    color: #94a3b8;
    text-decoration: none;
    transition: var(--transition);
}

footer ul li a:hover {
    color: var(--secondary-color);
}

footer p {
    color: #94a3b8;
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid #1e293b;
    font-size: 0.9rem;
    color: #64748b;
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate {
    animation: fadeInUp 1s ease forwards;
}

.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.17, 0.55, 0.55, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.stagger-1 {
    transition-delay: 0.2s;
}

.stagger-2 {
    transition-delay: 0.4s;
}

.stagger-3 {
    transition-delay: 0.6s;
}

/* Hero Animation */
.hero-content {
    opacity: 0;
    animation: fadeInUp 1.2s cubic-bezier(0.17, 0.55, 0.55, 1) forwards;
}

.hero-content h1 {
    animation-delay: 0.2s;
}

.hero-content p {
    animation-delay: 0.4s;
}

.hero-content .cta-buttons {
    animation-delay: 0.6s;
}

/* Responsive */
@media (max-width: 900px) {

    .about-grid,
    .services-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero {
        padding: 100px 0;
    }
}