:root {
    --bg-color: #0a0a0c;
    --bg-alt: #16161a;
    --primary: #ff00ff;
    --primary-glow: rgba(255, 0, 255, 0.5);
    --secondary: #00f2ff;
    --text-color: #ffffff;
    --text-dim: #a0a0a0;
    --container-width: 1100px;
    --transition: all 0.3s ease;
}

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

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

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

.max-width-sm {
    max-width: 600px;
}

.text-center { text-align: center; }

/* Typography */
h1 {
    font-size: 4rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 20px;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--secondary);
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

p {
    margin-bottom: 20px;
    color: var(--text-dim);
}

.lead {
    font-size: 1.25rem;
}

.gradient-text {
    background: linear-gradient(45deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Header & Nav */
header {
    padding: 20px 0;
    position: sticky;
    top: 0;
    background: rgba(10, 10, 12, 0.8);
    backdrop-filter: blur(10px);
    z-index: 100;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    list-style: none;
    align-items: center;
}

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 700;
    transition: var(--transition);
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    text-align: center;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
    box-shadow: 0 0 20px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px var(--primary-glow);
}

.btn-secondary {
    border: 2px solid var(--secondary);
    color: var(--secondary);
}

.btn-secondary:hover {
    background: var(--secondary);
    color: var(--bg-color);
}

.btn-block {
    display: block;
    width: 100%;
}

/* Sections */
section {
    padding: 80px 0;
}

.bg-dark-alt {
    background-color: var(--bg-alt);
}

/* Hero */
.hero {
    display: flex;
    align-items: center;
    min-height: 80vh;
}

.hero-content {
    flex: 1;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.hero-image img {
    max-width: 100%;
    filter: drop-shadow(0 0 30px var(--primary-glow));
}

/* Features */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.feature-card {
    background: var(--bg-color);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.feature-card:hover {
    border-color: var(--primary);
    transform: translateY(-10px);
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 20px;
}

/* Solution */
.solution-grid {
    display: flex;
    align-items: center;
    gap: 50px;
}

.solution-text, .solution-image {
    flex: 1;
}

.solution-image img {
    max-width: 100%;
    border-radius: 20px;
}

/* Roadmap */
.roadmap-timeline {
    margin: 50px 0;
    border-left: 2px solid var(--primary);
    padding-left: 30px;
    text-align: left;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.roadmap-item {
    margin-bottom: 40px;
    position: relative;
}

.roadmap-item::before {
    content: '';
    position: absolute;
    left: -37px;
    top: 5px;
    width: 12px;
    height: 12px;
    background: var(--primary);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--primary-glow);
}

.roadmap-item .date {
    font-weight: 900;
    color: var(--secondary);
    font-size: 0.9rem;
    margin-bottom: 5px;
}

.roadmap-item .milestone {
    font-size: 1.2rem;
    font-weight: 700;
}

.traction {
    font-weight: 700;
    color: var(--text-color);
}

/* Form */
.form-stack {
    background: var(--bg-color);
    padding: 40px;
    border-radius: 20px;
    margin-top: 30px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 700;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 12px 15px;
    background: #25252b;
    border: 1px solid #333;
    border-radius: 8px;
    color: white;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--secondary);
    box-shadow: 0 0 10px rgba(0, 242, 255, 0.3);
}

.form-group small {
    display: block;
    margin-top: 5px;
    font-size: 0.75rem;
    color: var(--text-dim);
}

.form-feedback {
    margin-top: 20px;
    padding: 10px;
    border-radius: 8px;
    display: none;
}

.form-feedback.error {
    background: rgba(255, 0, 0, 0.1);
    color: #ff4d4d;
    display: block;
}

.form-feedback.success {
    background: rgba(0, 255, 0, 0.1);
    color: #4dff4d;
    display: block;
}

/* Footer */
footer {
    padding: 40px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsive */
@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    
    .hero, .solution-grid {
        flex-direction: column;
        text-align: center;
    }
    
    .nav-links {
        display: none; /* Simple mobile nav: hide for now or use hamburger */
    }
    
    .hero-image, .solution-image {
        margin-top: 40px;
    }
}