:root {
    --primary: #0077B6;
    --secondary: #90E0EF;
    --dark: #023E8A;
    --light: #F8F9FA;
    --text: #333333;
    --gray: #6C757D;
    --white: #ffffff;
    --transition: all 0.3s ease;
    --container-width: 1200px;
}

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

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

h1, h2, h3, h4 {
    font-family: 'Poppins', sans-serif;
    color: var(--dark);
    font-weight: 700;
}

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

/* Header & Nav */
.main-header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    padding: 15px 0;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--dark);
    text-decoration: none;
    letter-spacing: 1px;
}

.logo span {
    color: var(--primary);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
    transition: var(--transition);
}

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

.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    background: var(--dark);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 119, 182, 0.3);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--dark);
    cursor: pointer;
}

/* Sections */
section {
    padding: 100px 0;
}

/* Hero */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(rgba(2, 62, 138, 0.8), rgba(2, 62, 138, 0.6)), url('https://images.pexels.com/photos/36765731/pexels-photo-36765731.jpeg?auto=compress&cs=tinysrgb&fit=crop&h=1080&w=1920');
    background-size: cover;
    background-position: center;
    color: var(--white);
    text-align: left;
}

.hero-content {
    max-width: 800px;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    color: var(--white);
    margin-bottom: 20px;
    line-height: 1.1;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 35px;
    opacity: 0.9;
}

/* Services Grid */
.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.section-title .underline {
    width: 60px;
    height: 4px;
    background: var(--primary);
    margin: 0 auto;
}

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

.service-card {
    background: var(--white);
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transition: var(--transition);
    border: 1px solid #eee;
}

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

.service-card i {
    color: var(--primary);
    margin-bottom: 20px;
}

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

/* Expertise SAP */
.expertise-sap {
    background: var(--light);
}

.split-layout {
    display: flex;
    align-items: center;
    gap: 60px;
    flex-wrap: wrap;
}

.split-content, .split-image {
    flex: 1;
    min-width: 350px;
}

.split-image img {
    width: 100%;
    border-radius: 20px;
    box-shadow: 20px 20px 0 var(--secondary);
}

/* Form */
.contact-container {
    max-width: 700px;
    margin: 0 auto;
    background: var(--white);
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.1);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-family: inherit;
}

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

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 50px;
    margin-bottom: 50px;
}

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

.footer-links h4, .footer-contact h4 {
    color: var(--secondary);
    margin-bottom: 25px;
}

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

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--white);
    padding-left: 5px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 30px;
    text-align: center;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.5);
}

/* Animations */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal-on-scroll.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Mobile */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    .mobile-menu-toggle {
        display: block;
    }
    .hero {
        text-align: center;
    }
    .split-image img {
        box-shadow: none;
    }
}