:root {
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --secondary: #64748b;
    --bg: #0f172a;
    --text: #f8fafc;
    --text-muted: #94a3b8;
    --card-bg: #1e293b;
    --card-border: #334155;
    --accent: #f43f5e;
}

body {
    font-family: 'Inter', sans-serif;
    margin: 0;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Nav */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 2rem;
}

.logo {
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--text);
}
.highlight {
    color: var(--primary);
}

.links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.links a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}

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

.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
    background: var(--primary);
    color: white;
}

.btn:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
}

.btn.secondary {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}
.btn.secondary:hover {
    background: var(--primary);
    color: white;
}

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

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, #fff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.cta-group {
    display: flex;
    gap: 1rem;
}

/* Visual / Animation */
.visual {
    display: flex;
    justify-content: center;
    position: relative;
}

.floating {
    animation: float 6s ease-in-out infinite;
}

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

.pulse {
    animation: pulse 3s infinite;
    transform-origin: center;
}

.pulse-delay {
    animation: pulse 3s infinite 1.5s;
    transform-origin: center;
}

@keyframes pulse {
    0% { transform: scale(0.8); opacity: 0.1; }
    50% { transform: scale(1.2); opacity: 0.3; }
    100% { transform: scale(0.8); opacity: 0.1; }
}

.scan {
    animation: scan 2s linear infinite;
    transform-origin: center;
}

@keyframes scan {
    0% { r: 10; opacity: 1; stroke-width: 2; }
    100% { r: 120; opacity: 0; stroke-width: 0; }
}

/* Features */
.features {
    padding: 6rem 0;
    background: #111827;
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 4rem;
}

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

.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 2rem;
    border-radius: 12px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    border-color: var(--primary);
}

.icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.card h3 {
    margin: 0 0 0.5rem 0;
    font-size: 1.25rem;
}

.card p {
    margin: 0;
    color: var(--text-muted);
}

/* Steps */
.steps {
    padding: 6rem 0;
}

.step-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.step {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
    padding: 2rem;
    background: var(--card-bg);
    border-radius: 12px;
    border: 1px solid var(--card-border);
}

.number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.step h3 {
    margin: 0 0 0.5rem 0;
}

.step p {
    margin: 0;
    color: var(--text-muted);
}

/* Footer */
footer {
    text-align: center;
    padding: 4rem 0;
    color: var(--text-muted);
    border-top: 1px solid var(--card-border);
}

/* Mobile */
@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .links {
        display: none;
    }
    .cta-group {
        justify-content: center;
    }
    .hero h1 {
        font-size: 2.5rem;
    }
}