:root {
    --bg-color: #0D0F14;
    --panel-color: #161B25;
    --card-color: #1E2535;
    --text-primary: #E8ECF4;
    --text-secondary: #A0AACF;
    --accent-blue: #5C6BFF;
    --accent-blue-hover: #727fff;
    --accent-yellow: #FFB340;
    --accent-red: #FF5A52;
    --border-color: rgba(92, 107, 255, 0.15);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 3.5rem; letter-spacing: -0.02em; }
h2 { font-size: 2.5rem; letter-spacing: -0.01em; }
p { color: var(--text-secondary); margin-bottom: 1.5rem; font-size: 1.125rem; }

a {
    color: var(--accent-blue);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--accent-blue-hover);
}

/* Layout */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header */
header {
    padding: 2rem 0;
    border-bottom: 1px solid var(--panel-color);
    background-color: rgba(13, 15, 20, 0.8);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-img {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    object-fit: cover;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.logo-dot {
    display: none; /* Replaced by logo-img */
}

.nav-links {
    display: flex;
    gap: 2rem;
}

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

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

/* Hero Section */
.hero {
    padding: 6rem 0 4rem;
    text-align: center;
}

.hero h1 {
    background: linear-gradient(135deg, #E8ECF4 0%, #A0AACF 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    max-width: 600px;
    margin: 0 auto 3rem;
}

.cta-button {
    display: inline-block;
    background-color: var(--accent-blue);
    color: #fff;
    padding: 1rem 2.5rem;
    border-radius: 999px;
    font-size: 1.125rem;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(92, 107, 255, 0.3);
}

.cta-button:hover {
    background-color: var(--accent-blue-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(92, 107, 255, 0.4);
    color: #fff;
}

/* Features */
.features {
    padding: 5rem 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background-color: var(--panel-color);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.feature-icon {
    font-size: 2rem;
    color: var(--accent-blue);
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.5rem;
}

.feature-card p {
    font-size: 1rem;
    margin-bottom: 0;
}

/* Pro Section */
.pro-section {
    background-color: var(--panel-color);
    padding: 5rem 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.pro-badge {
    color: var(--accent-yellow);
    font-weight: 700;
    font-size: 1.25rem;
    margin-bottom: 1rem;
    display: inline-block;
    padding: 0.25rem 1rem;
    background-color: rgba(255, 179, 64, 0.1);
    border-radius: 999px;
}

/* Standard Content Pages (Privacy, Support) */
.page-header {
    padding: 4rem 0 2rem;
    text-align: center;
    border-bottom: 1px solid var(--panel-color);
}

.content-section {
    padding: 4rem 0;
    max-width: 800px;
    margin: 0 auto;
}

.content-section h2 {
    font-size: 2rem;
    margin-top: 2.5rem;
    color: var(--text-primary);
}

.content-section h3 {
    font-size: 1.5rem;
    margin-top: 2rem;
    color: var(--text-primary);
}

.content-section p, .content-section ul {
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
}

.content-section ul {
    padding-left: 1.5rem;
}

.content-section li {
    margin-bottom: 0.5rem;
}

/* Forms */
.support-form {
    background-color: var(--panel-color);
    padding: 3rem;
    border-radius: 20px;
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 1.5rem;
}

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

.form-group input, .form-group textarea {
    width: 100%;
    padding: 1rem;
    background-color: var(--card-color);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.2s ease;
}

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

button[type="submit"] {
    width: 100%;
    border: none;
    cursor: pointer;
    font-family: inherit;
}

/* Footer */
footer {
    padding: 3rem 0;
    text-align: center;
    border-top: 1px solid var(--panel-color);
    margin-top: auto;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1.5rem;
}

.footer-text {
    font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    
    .nav-links {
        display: none; /* simple mobile nav for now */
    }
    
    .hero {
        padding: 4rem 0 2rem;
    }
    
    .support-form {
        padding: 2rem;
    }
}