:root {
    --bg-main: #050505;
    --bg-secondary: #111111;
    --accent: #00d2ff;
    --accent-secondary: #3a7bd5;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --success: #00e676;
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

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

/* Particle Canvas Background */
#particleCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    letter-spacing: -0.02em;
}

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

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography Utilities */
.highlight {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.text-center { text-align: center; }
.section-title { font-size: 2.5rem; font-weight: 700; margin-bottom: 20px; }
.section-desc { color: var(--text-secondary); font-size: 1.2rem; margin-bottom: 50px; }
section { padding: 100px 0; }

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    background: rgba(5, 5, 5, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    z-index: 1000;
    transition: padding 0.3s;
}

.navbar.scrolled {
    padding: 10px 0;
}

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

.nav-logo img {
    height: 50px;
}

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-secondary) 100%);
    color: #fff !important;
    padding: 10px 24px;
    border-radius: 8px;
    font-weight: 600;
    transition: transform 0.3s, box-shadow 0.3s;
    border: none;
    cursor: pointer;
    display: inline-block;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 210, 255, 0.2);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: 80px;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 30px;
    animation: fadeUp 1s ease forwards;
    opacity: 0;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 40px;
    animation: fadeUp 1s ease 0.2s forwards;
    opacity: 0;
}

.hero-cta {
    animation: fadeUp 1s ease 0.4s forwards;
    opacity: 0;
}

/* Cards & Grid */
.glass-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.glass-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 40px 30px;
    text-align: center;
    backdrop-filter: blur(12px);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.2);
}

.card-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    color: var(--accent);
}

.glass-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.glass-card p {
    color: var(--text-secondary);
}

/* Connectivity Diagram */
.network-diagram {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 40px;
    background: var(--glass-bg);
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    margin-bottom: 40px;
    flex-wrap: wrap;
    gap: 20px;
}

.node {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    flex: 1;
    min-width: 150px;
}

.node svg {
    width: 60px;
    height: 60px;
    color: #fff;
}

.node.wirdata-node svg {
    color: var(--accent);
}

.connection-line {
    flex-grow: 2;
    height: 40px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 200px;
}

.tunnel-label {
    position: absolute;
    top: -25px;
    font-size: 0.9rem;
    color: var(--accent);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.animated-dots {
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
    border-radius: 2px;
}

.animated-dots::after {
    content: '';
    position: absolute;
    top: 0; left: 0; height: 100%; width: 50%;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    animation: flowLine 2s linear infinite;
}

@keyframes flowLine {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(200%); }
}

/* Contact Section */
.contact-container {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 50px;
    max-width: 800px;
    margin: 0 auto;
}

.contact-form {
    display: grid;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

input, textarea {
    width: 100%;
    padding: 15px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color 0.3s;
}

input:focus, textarea:focus {
    outline: none;
    border-color: var(--accent);
}

/* Footer */
footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--glass-border);
    padding: 60px 0 30px;
    text-align: center;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col svg {
    width: 40px;
    height: 40px;
    color: var(--accent);
    margin-bottom: 15px;
}

.footer-col h3 {
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.footer-col p, .footer-col a {
    color: var(--text-secondary);
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid var(--glass-border);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

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

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Partners Section */
.partners-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 60px;
    flex-wrap: wrap;
}

.partner-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 40px 50px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 16px;
    backdrop-filter: blur(12px);
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.partner-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 15px 40px rgba(0, 210, 255, 0.08);
}

.partner-icon {
    width: 80px;
    height: 80px;
}

.partner-logo {
    max-height: 80px;
    max-width: 180px;
    object-fit: contain;
}

.partner-icon-img {
    width: 80px;
    height: 80px;
    object-fit: contain;
}

.partner-name {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
}

.partner-label {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--accent);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links { display: none; /* Mobile menu logic omitted for brevity, can be added in JS */ }
    .hero-title { font-size: 2.5rem; }
    .form-row { grid-template-columns: 1fr; }
    .network-diagram { flex-direction: column; }
    .connection-line { width: 100%; min-width: auto; height: 60px; }
    .animated-dots { width: 4px; height: 100%; margin: 0 auto; }
    .animated-dots::after {
        width: 100%; height: 50%;
        background: linear-gradient(180deg, transparent, var(--accent), transparent);
        animation: flowLineVertical 2s linear infinite;
    }
}
@keyframes flowLineVertical {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(200%); }
}