:root {
    --primary: #4f46e5;
    --primary-dark: #4338ca;
    --primary-light: #818cf8;
    --secondary: #3b82f6;
    --zinc-50: #fafafa;
    --zinc-100: #f4f4f5;
    --zinc-200: #e4e4e7;
    --zinc-300: #d4d4d8;
    --zinc-400: #a1a1aa;
    --zinc-500: #71717a;
    --zinc-600: #52525b;
    --zinc-700: #3f3f46;
    --zinc-800: #27272a;
    --zinc-900: #18181b;
    --zinc-950: #09090b;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --text-main: var(--zinc-900);
    --text-muted: var(--zinc-500);
    --bg-main: #ffffff;
}

@media (prefers-color-scheme: dark) {
    :root {
        --text-main: var(--zinc-50);
        --text-muted: var(--zinc-400);
        --bg-main: var(--zinc-950);
    }
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    line-height: 1.6;
    color: var(--text-main);
    background-color: var(--bg-main);
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header & Navigation */
header {
    padding: 2rem 0;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    text-decoration: none;
    letter-spacing: -0.025em;
}

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

.hero h1 {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.05em;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 2.5rem;
}

.btn-group {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    padding: 0.875rem 2rem;
    border-radius: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
}

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

.btn-outline {
    border: 1px solid var(--zinc-200);
    color: var(--text-main);
}

@media (prefers-color-scheme: dark) {
    .btn-outline {
        border-color: var(--zinc-800);
    }
}

.btn-outline:hover {
    background-color: var(--zinc-100);
}

@media (prefers-color-scheme: dark) {
    .btn-outline:hover {
        background-color: var(--zinc-900);
    }
}

/* Features Section */
.features {
    padding: 4rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.card {
    padding: 2rem;
    border-radius: 1.5rem;
    background-color: var(--bg-main);
    border: 1px solid var(--zinc-100);
    transition: all 0.3s;
}

@media (prefers-color-scheme: dark) {
    .card {
        background-color: var(--zinc-900);
        border-color: var(--zinc-800);
    }
}

.card:hover {
    border-color: var(--primary-light);
    transform: translateY(-4px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05);
}

.icon-box {
    width: 3rem;
    height: 3rem;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    font-size: 1.5rem;
}

.card h3 {
    margin-bottom: 0.75rem;
    font-weight: 700;
}

.card p {
    color: var(--text-muted);
    font-size: 0.9375rem;
    line-height: 1.5;
}

/* Privacy Policy Layout */
.privacy-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 4rem 1.5rem;
}

.privacy-container h1 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    font-weight: 900;
}

.privacy-container h2 {
    font-size: 1.5rem;
    margin: 2rem 0 1rem;
    font-weight: 700;
}

.privacy-container p, .privacy-container ul {
    margin-bottom: 1.25rem;
    color: var(--zinc-700);
}

@media (prefers-color-scheme: dark) {
    .privacy-container p, .privacy-container ul {
        color: var(--zinc-300);
    }
}

.privacy-container ul {
    padding-left: 1.5rem;
}

.privacy-container li {
    margin-bottom: 0.5rem;
}

/* Footer */
footer {
    padding: 4rem 0;
    border-top: 1px solid var(--zinc-100);
    margin-top: 4rem;
}

@media (prefers-color-scheme: dark) {
    footer {
        border-color: var(--zinc-900);
    }
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

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

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.875rem;
}

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

.copyright {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Responsive adjustments */
@media (max-width: 640px) {
    .hero h1 {
        font-size: 2.5rem;
    }
}