/* Variables */
:root {
    --bg-main: #ffffff;
    --bg-light: #f8f9fa;
    --text-main: #000000;
    --text-muted: #666666;
    --accent: #212121;
    /* Dark Grey/Black for accents */
    --tech-silver: #a0a0a0;
    --font-main: 'Roboto', sans-serif;
    --font-head: 'Orbitron', sans-serif;
    --container: 1400px;
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: var(--font-main);
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4 {
    font-family: var(--font-head);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
}

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

img {
    max-width: 100%;
    display: block;
}

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 40px;
}

.section {
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 15px 40px;
    background: black;
    color: white;
    font-family: var(--font-head);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    border: 1px solid black;
    cursor: pointer;
    transition: 0.4s;
    border-radius: 50px;
}

.btn:hover {
    background: transparent;
    color: black;
}

/* Animation Classes */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 1s ease;
}

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

/* Header */
header {
    padding: 20px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(5px);
    border-bottom: 1px solid #eee;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

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

.nav-link {
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-main);
}

.nav-link:hover {
    color: var(--tech-silver);
}

.lang-toggle {
    background: none;
    border: 1px solid black;
    padding: 5px 15px;
    font-family: var(--font-head);
    font-size: 0.8rem;
    cursor: pointer;
    transition: 0.3s;
}

.lang-toggle:hover {
    background: black;
    color: white;
}

/* Hero */
.hero {
    height: 100vh;
    background: url('https://images.unsplash.com/photo-1617788138017-80ad40651399?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80') center/cover no-repeat;
    position: relative;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.7);
    /* Light overlay for white theme */
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero-title {
    font-size: 5rem;
    line-height: 1;
    margin-bottom: 20px;
    color: black;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    font-weight: 300;
}

/* About */
.about-section {
    background: var(--bg-main);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-text h2 {
    font-size: 3rem;
    margin-bottom: 30px;
}

.tech-decoration {
    border: 1px solid #e0e0e0;
    border-radius: 50%;
    width: 400px;
    height: 400px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}

.tech-decoration::before {
    content: '';
    position: absolute;
    width: 350px;
    height: 350px;
    border: 2px dashed #ccc;
    border-radius: 50%;
    animation: rotate 20s linear infinite;
}

.tech-decoration img {
    animation: float 6s ease-in-out infinite;
}

@keyframes rotate {
    100% {
        transform: rotate(360deg);
    }
}

@keyframes float {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 rgba(0, 0, 0, 0);
    }

    50% {
        transform: scale(1.05);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    }

    100% {
        transform: scale(1);
        box-shadow: 0 0 0 rgba(0, 0, 0, 0);
    }
}

/* Services */
.services-section {
    background: var(--bg-light);
    position: relative;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 50px;
}

.service-card {
    background: white;
    padding: 40px 20px;
    border: 1px solid #eee;
    text-align: center;
    transition: 0.3s;
    position: relative;
}

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

.service-icon {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--text-muted);
}

/* Contact */
.contact-section {
    background: var(--bg-main);
}

.contact-wrap {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact-form {
    margin-top: 40px;
    text-align: left;
}

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

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #ccc;
    font-size: 1rem;
    outline: none;
    background: #fcfcfc;
    transition: 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: black;
    background: white;
}

.contact-btn {
    width: 100%;
    padding: 15px;
    background: black;
    color: white;
    border: none;
    font-family: var(--font-head);
    font-size: 1rem;
    cursor: pointer;
    text-transform: uppercase;
    transition: 0.3s;
}

.contact-btn:hover {
    background: #333;
}

footer {
    padding: 50px 0;
    text-align: center;
    border-top: 1px solid #eee;
    font-size: 0.8rem;
    color: var(--text-muted);
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 3rem;
    }

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

    .tech-decoration {
        width: 300px;
        height: 300px;
    }

    .tech-decoration::before {
        width: 250px;
        height: 250px;
    }
}