:root {
    --primary-color: #0056b3;
    --primary-gradient: linear-gradient(135deg, #0061f2 0%, #0056b3 100%);
    --secondary-color: #00d2ff;
    --accent-color: #ff9f43;
    --text-color: #333333;
    --text-light: #666666;
    --light-bg: #f8f9fa;
    --white: #ffffff;
    --dark-bg: #1a1a1a;
    --border-color: #e9ecef;
    --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    --hover-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
    --max-width: 1200px;
    --header-height: 80px;
}

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

body {
    font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.7;
    color: var(--text-color);
    background-color: var(--white);
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: #111;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
    position: relative;
    padding-bottom: 20px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--primary-gradient);
    border-radius: 2px;
}

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

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 35px;
    border-radius: 50px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-primary {
    background: var(--primary-gradient);
    color: var(--white);
    border: none;
    box-shadow: 0 4px 15px rgba(0, 97, 242, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 97, 242, 0.5);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-3px);
}

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

section {
    padding: 100px 0;
}

/* Header */
header {
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 20px rgba(0,0,0,0.05);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    height: var(--header-height);
    backdrop-filter: blur(10px);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: flex;
    align-items: center;
    letter-spacing: -0.5px;
}

.nav-menu {
    display: flex;
    gap: 35px;
}

.nav-link {
    font-weight: 600;
    color: var(--text-color);
    font-size: 1rem;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

.nav-link:hover, .nav-link.active {
    color: var(--primary-color);
}

.hamburger {
    display: none;
    cursor: pointer;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: var(--text-color);
    transition: all 0.3s ease-in-out;
}

/* Hero Section (Tech Pattern) */
.hero {
    background: linear-gradient(135deg, rgba(0, 97, 242, 0.95) 0%, rgba(0, 86, 179, 0.9) 100%),
                url('data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMjAiIGhlaWdodD0iMjAiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyI+PGNpcmNsZSBjeD0iMSIgY3k9IjEiIHI9IjEiIGZpbGw9InJnYmEoMjU1LCAyNTUsIDI1NSwgMC4xKSIvPjwvc3ZnPg=='); /* Subtle dot pattern */
    color: var(--white);
    text-align: center;
    padding: 180px 0 120px;
    min-height: 85vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

/* Abstract shapes for hero */
.hero::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 400px;
    height: 400px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    z-index: 0;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -50px;
    left: -50px;
    width: 300px;
    height: 300px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 25px;
    color: var(--white);
    text-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 40px;
    opacity: 0.9;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
}

/* Cards / Features */
.highlights, .services-content, .about-section {
    background-color: var(--light-bg);
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.card {
    background: var(--white);
    padding: 50px 40px;
    border-radius: 15px;
    box-shadow: var(--card-shadow);
    transition: all 0.4s ease;
    border: none;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--primary-gradient);
    transition: height 0.3s ease;
    z-index: -1;
}

.card:hover {
    transform: translateY(-15px);
    box-shadow: var(--hover-shadow);
}

.card:hover::before {
    height: 100%;
    opacity: 0.03;
}

.card .icon {
    font-size: 3.5rem;
    margin-bottom: 25px;
    background: rgba(0, 97, 242, 0.1);
    width: 90px;
    height: 90px;
    line-height: 90px;
    text-align: center;
    border-radius: 50%;
    color: var(--primary-color);
    transition: all 0.3s ease;
}

.card:hover .icon {
    background: var(--primary-color);
    color: var(--white);
    transform: rotateY(180deg);
}

.card h3 {
    margin-bottom: 15px;
    color: var(--text-color);
    font-size: 1.5rem;
}

.card p {
    color: var(--text-light);
    font-size: 1rem;
    line-height: 1.8;
}

/* Page Headers (Internal) */
.page-header {
    background: var(--primary-gradient);
    color: var(--white);
    padding: 160px 0 80px;
    text-align: center;
    clip-path: polygon(0 0, 100% 0, 100% 85%, 0 100%);
    margin-bottom: 50px;
}

.page-header h1 {
    font-size: 3rem;
    color: var(--white);
    margin-bottom: 15px;
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Service List Items */
.service-category h3 {
    font-size: 1.8rem;
    margin-bottom: 30px;
    padding-left: 15px;
    border-left: 5px solid var(--primary-color);
}

.service-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.service-item {
    background: var(--white);
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    font-weight: 500;
    display: flex;
    align-items: center;
}

.service-item::before {
    content: '•';
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-right: 10px;
    line-height: 0;
}

.service-item:hover {
    transform: translateX(10px);
    background: var(--primary-color);
    color: var(--white);
    box-shadow: 0 10px 20px rgba(0, 97, 242, 0.2);
}

.service-item:hover::before {
    color: var(--white);
}

/* Intro Section */
.intro {
    background-color: var(--white);
    text-align: center;
}

.intro-content {
    max-width: 800px;
    margin: 0 auto;
}

.intro h2 {
    font-size: 2.5rem;
    color: var(--text-color);
}

/* Contact Form */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    background: var(--white);
    padding: 50px;
    border-radius: 20px;
    box-shadow: var(--card-shadow);
}

.contact-info-item h4 {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-bottom: 8px;
}

.contact-info-item p {
    color: var(--text-light);
    margin-bottom: 25px;
}

.form-control {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid #eee;
    border-radius: 10px;
    font-family: inherit;
    transition: all 0.3s ease;
    background: #fcfcfc;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(0, 97, 242, 0.1);
}

textarea.form-control {
    height: 150px;
    resize: vertical;
}

/* Footer */
footer {
    background-color: #111;
    color: #aaa;
    padding: 80px 0 30px;
    font-size: 0.95rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 50px;
    margin-bottom: 60px;
}

.footer-col h3 {
    color: var(--white);
    margin-bottom: 25px;
    font-size: 1.3rem;
    position: relative;
    padding-bottom: 10px;
}

.footer-col h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--primary-color);
}

.footer-col ul li {
    margin-bottom: 15px;
}

.footer-col ul li a {
    transition: all 0.3s ease;
}

.footer-col ul li a:hover {
    color: var(--primary-color);
    padding-left: 8px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #222;
}

/* Animation Classes */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        padding: 30px;
    }

    .hamburger {
        display: block;
    }

    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: var(--header-height);
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        padding: 40px 0;
    }

    .nav-menu.active {
        left: 0;
    }
}