:root {
    --primary-blue: #00A8E8;
    --dark-bg: #0f172a;
    --darker-bg: #020617;
    --light-text: #f1f5f9;
    --gray-text: #cbd5e1;
    --accent-gradient: linear-gradient(135deg, #00A8E8 0%, #0284c7 100%);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--darker-bg);
    color: var(--light-text);
    overflow-x: hidden;
}

/* Header/Navigation */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(2, 6, 23, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 168, 232, 0.1);
    transition: all 0.3s ease;
}

header.scrolled {
    background: rgba(2, 6, 23, 0.98);
    box-shadow: 0 4px 20px rgba(0, 168, 232, 0.1);
}

nav {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.2rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.8rem;
    font-weight: 700;
}

.logo-x3d {
    color: var(--light-text);
}

.logo-art {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-style: italic;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    color: var(--gray-text);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

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

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

.nav-links a:hover::after {
    width: 100%;
}

.cta-button {
    background: var(--accent-gradient);
    color: white;
    padding: 0.8rem 1.8rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 168, 232, 0.3);
}

/* Outline variant (moved from inline style) */
.cta-button.cta-outline {
    background: transparent;
    border: 2px solid var(--primary-blue);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 6rem 2rem 2rem;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.1;
    background: 
        radial-gradient(circle at 20% 50%, var(--primary-blue) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, var(--primary-blue) 0%, transparent 50%);
}

.hero-content {
    max-width: 1400px;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text h1 {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

.hero-text .highlight {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-text p {
    font-size: 1.25rem;
    color: var(--gray-text);
    margin-bottom: 2.5rem;
    line-height: 1.7;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease 0.2s forwards;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease 0.4s forwards;
}

.hero-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: translateX(30px);
    animation: fadeInRight 1s ease 0.3s forwards;
}

.printer-showcase {
    width: 100%;
    max-width: 500px;
    height: 500px;
    background: rgba(0, 168, 232, 0.05);
    border: 2px solid rgba(0, 168, 232, 0.2);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.printer-showcase::before {
    content: '🖨️';
    font-size: 10rem;
    opacity: 0.3;
    animation: float 3s ease-in-out infinite;
}

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

@keyframes fadeInRight {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

/* Products Section */
.section {
    padding: 6rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.2rem;
    color: var(--gray-text);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.product-card {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(0, 168, 232, 0.2);
    border-radius: 16px;
    padding: 2.5rem;
    transition: all 0.4s ease;
    cursor: pointer;
}

.product-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-blue);
    box-shadow: 0 15px 40px rgba(0, 168, 232, 0.2);
}

.product-icon {
    width: 80px;
    height: 80px;
    background: var(--accent-gradient);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.product-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--light-text);
}

.product-card p {
    color: var(--gray-text);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.product-price {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

/* Features Section */
.features {
    background: rgba(0, 168, 232, 0.03);
    padding: 6rem 2rem;
}

.features-container {
    max-width: 1400px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
    margin-top: 4rem;
}

.feature-item {
    text-align: center;
    padding: 2rem;
}

.feature-icon {
    width: 100px;
    height: 100px;
    background: var(--accent-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    margin: 0 auto 1.5rem;
}

.feature-item h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.feature-item p {
    color: var(--gray-text);
    line-height: 1.6;
}

/* X3D Tracker Section */
.tracker-section {
    background: var(--dark-bg);
    padding: 6rem 2rem;
}

.tracker-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.tracker-visual {
    background: rgba(0, 168, 232, 0.05);
    border: 2px solid rgba(0, 168, 232, 0.2);
    border-radius: 20px;
    padding: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
}

.tracker-visual::before {
    content: '📊';
    font-size: 8rem;
    opacity: 0.5;
}

.tracker-text h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.tracker-text p {
    color: var(--gray-text);
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 2rem;
}

.tracker-features {
    list-style: none;
    margin-bottom: 2rem;
}

.tracker-features li {
    padding: 0.8rem 0;
    padding-left: 2rem;
    position: relative;
    color: var(--gray-text);
}

.tracker-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-blue);
    font-weight: bold;
    font-size: 1.2rem;
}

/* Contact Section */
.contact-section {
    padding: 6rem 2rem;
    background: rgba(0, 168, 232, 0.03);
}

.contact-container {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.contact-form {
    margin-top: 3rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.form-group label {
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--gray-text);
}

.form-group input,
.form-group textarea {
    padding: 1rem;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(0, 168, 232, 0.2);
    border-radius: 8px;
    color: var(--light-text);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(0, 168, 232, 0.1);
}

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

/* Footer */
footer {
    background: var(--darker-bg);
    padding: 3rem 2rem;
    border-top: 1px solid rgba(0, 168, 232, 0.1);
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
}

.footer-section h3 {
    margin-bottom: 1.5rem;
    color: var(--primary-blue);
}

.footer-section p,
.footer-section a {
    color: var(--gray-text);
    line-height: 1.8;
    text-decoration: none;
    display: block;
    margin-bottom: 0.5rem;
}

.footer-section a:hover {
    color: var(--primary-blue);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(0, 168, 232, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--primary-blue);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(0, 168, 232, 0.1);
    color: var(--gray-text);
}

/* Scroll Progress */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: var(--accent-gradient);
    z-index: 9999;
    transition: width 0.1s ease;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-content,
    .tracker-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .hero-text h1 {
        font-size: 3rem;
    }

    .nav-links {
        display: none;
    }
}

@media (max-width: 768px) {
    .hero-text h1 {
        font-size: 2.5rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .products-grid {
        grid-template-columns: 1fr;
    }
}