/* CSS Variables for Theme */
:root {
    --bg-dark: #070B14;
    --bg-card: rgba(15, 23, 42, 0.6);
    --primary-cyan: #00f0ff;
    --primary-cyan-glow: rgba(0, 240, 255, 0.4);
    --status-emerald: #00ff66;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border-color: rgba(255, 255, 255, 0.1);
}

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

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

h1, h2, h3, .logo span, .step-number {
    font-family: 'Space Grotesk', sans-serif;
}

/* Typography & Utilities */
.highlight {
    color: var(--primary-cyan);
    text-shadow: 0 0 20px var(--primary-cyan-glow);
}

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

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-header p {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 1.8rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-family: 'Space Grotesk', sans-serif;
}

.btn-primary {
    background-color: var(--primary-cyan);
    color: #000;
    box-shadow: 0 0 15px var(--primary-cyan-glow);
}

.btn-primary:hover {
    box-shadow: 0 0 25px var(--primary-cyan);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--primary-cyan);
    color: var(--primary-cyan);
}

.btn-outline {
    border: 1px solid var(--primary-cyan);
    color: var(--primary-cyan);
    padding: 0.5rem 1.2rem;
    font-size: 0.9rem;
}

.btn-outline:hover {
    background-color: rgba(0, 240, 255, 0.1);
    box-shadow: 0 0 10px var(--primary-cyan-glow);
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 5%;
    background: rgba(7, 11, 20, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.2rem;
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s;
    font-weight: 500;
}

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

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 5%;
    overflow: hidden;
}

#network-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: 0.6;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    margin-top: 5rem;
}

.hero h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 3rem;
}

.trust-badges {
    display: flex;
    gap: 2rem;
    justify-content: center;
    font-size: 0.9rem;
    color: var(--status-emerald);
}

/* Capabilities (Grid) */
.capabilities {
    padding: 8rem 5%;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 2.5rem;
    border-radius: 8px;
    backdrop-filter: blur(5px);
    transition: transform 0.3s, border-color 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-cyan);
    box-shadow: 0 10px 30px rgba(0, 240, 255, 0.05);
}

.card .icon {
    margin-bottom: 1.5rem;
}

.card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

.card p {
    color: var(--text-muted);
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

.value-tag {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    background: rgba(0, 255, 102, 0.1);
    color: var(--status-emerald);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* Pipeline / How it Works */
.pipeline {
    padding: 5rem 5%;
    max-width: 1200px;
    margin: 0 auto;
    border-top: 1px solid var(--border-color);
}

.steps-container {
    display: flex;
    justify-content: space-between;
    gap: 2rem;
    position: relative;
}

.steps-container::before {
    content: '';
    position: absolute;
    top: 30px;
    left: 10%;
    right: 10%;
    height: 1px;
    background: var(--border-color);
    z-index: -1;
}

.step {
    flex: 1;
    text-align: center;
    background: var(--bg-dark);
    padding: 1rem;
}

.step-number {
    width: 60px;
    height: 60px;
    margin: 0 auto 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--primary-cyan);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary-cyan);
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.2);
}

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

.step p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* CTA Section */
.cta {
    padding: 6rem 5%;
    text-align: center;
    background: linear-gradient(0deg, rgba(0,240,255,0.05) 0%, var(--bg-dark) 100%);
}

.cta-container {
    max-width: 700px;
    margin: 0 auto;
}

.cta h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta p {
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    font-size: 1.1rem;
}

.cta-form {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.cta-form input {
    padding: 1rem 1.5rem;
    width: 100%;
    max-width: 350px;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    color: #fff;
    border-radius: 4px;
    outline: none;
    font-family: 'Inter', sans-serif;
}

.cta-form input:focus {
    border-color: var(--primary-cyan);
}

/* Footer */
footer {
    padding: 2rem 5%;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-muted);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: 'Space Grotesk', sans-serif;
    color: var(--text-main);
    font-weight: 600;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links { display: none; }
    .hero h1 { font-size: 2.5rem; }
    .hero-buttons { flex-direction: column; }
    .trust-badges { flex-direction: column; gap: 0.5rem; }
    .steps-container { flex-direction: column; }
    .steps-container::before { display: none; }
    .cta-form { flex-direction: column; }
    .cta-form button { width: 100%; }
}