:root {
    /* Default Light Theme */
    --primary-color: #F97316;
    --primary-hover: #EA580C;
    --secondary-color: #1F2937;
    --text-color: #374151;
    --light-bg: #F9FAFB;
    --white: #FFFFFF;
    --border-color: #E5E7EB;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --radius: 12px;
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --navbar-bg: rgba(255, 255, 255, 0.95);
    --device-border: #333;
    --device-bg: #1a1a1a;
    --feature-icon-bg: rgba(249, 115, 22, 0.1);
}

/* Dark Theme Overrides (System Preference) */
@media (prefers-color-scheme: dark) {
    :root {
        --secondary-color: #F9FAFB; /* Light text for headings */
        --text-color: #D1D5DB; /* Lighter body text */
        --light-bg: #111827; /* Dark background for sections */
        --white: #1F2937; /* Darker background for cards/body */
        --border-color: #374151;
        --navbar-bg: rgba(31, 41, 55, 0.95);
        --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
    }
}

/* Manual Theme Overrides */
[data-theme="light"] {
    --secondary-color: #1F2937;
    --text-color: #374151;
    --light-bg: #F9FAFB;
    --white: #FFFFFF;
    --border-color: #E5E7EB;
    --navbar-bg: rgba(255, 255, 255, 0.95);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

[data-theme="dark"] {
    --secondary-color: #F9FAFB;
    --text-color: #D1D5DB;
    --light-bg: #111827;
    --white: #1F2937;
    --border-color: #374151;
    --navbar-bg: rgba(31, 41, 55, 0.95);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
}

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

body {
    font-family: var(--font-main);
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Theme Toggle Button */
.theme-btn {
    background: transparent;
    border: none;
    color: var(--text-color);
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s;
}

.theme-btn:hover {
    background-color: var(--light-bg);
    color: var(--primary-color);
}

/* Existing Styles... */

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s;
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
h1, h2, h3 {
    color: var(--secondary-color);
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-size: 3rem;
    margin-bottom: 24px;
}

h2 {
    font-size: 2.25rem;
    margin-bottom: 48px;
    text-align: center;
}

h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

p {
    margin-bottom: 16px;
    font-size: 1.125rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: var(--radius);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
}

.btn-large {
    padding: 16px 32px;
    font-size: 1.125rem;
}

.btn.small {
    padding: 8px 16px;
    font-size: 0.9rem;
}

/* Navigation */
.navbar {
    background-color: var(--navbar-bg);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--border-color);
    padding: 16px 0;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
    letter-spacing: -0.02em;
}

.logo img {
    height: 40px;
    width: auto;
    border-radius: 8px; /* Added rounded corners */
}

.nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav-links a:not(.btn) {
    font-weight: 500;
    color: var(--secondary-color);
}

.nav-links a:not(.btn):hover {
    color: var(--primary-color);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding: 80px 0;
    background: radial-gradient(circle at top right, rgba(249, 115, 22, 0.1), transparent 40%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.hero-text {
    max-width: 600px;
}

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

/* Device Mockup */
.device-mockup {
    width: 320px;
    height: auto;
    border-radius: 40px;
    padding: 8px; /* Reduced from 12px */
    background-color: #1a1a1a;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    position: relative;
    border: 2px solid #333; /* Reduced from 4px */
}

.app-screenshot {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 32px; /* Adjusted to fit thinner frame */
    border: 1px solid #000; /* Thinner border */
}

/* Features Section */
.features {
    padding: 100px 0;
    background-color: var(--light-bg);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
}

.feature-card {
    background-color: var(--white);
    padding: 32px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: transform 0.2s;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.icon-box {
    font-size: 2.5rem;
    margin-bottom: 16px;
    display: inline-block;
    padding: 12px;
    background-color: rgba(249, 115, 22, 0.1);
    border-radius: 12px;
}

/* How It Works */
.how-it-works {
    padding: 100px 0;
}

.steps-container {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    position: relative;
}

.step {
    flex: 1;
    text-align: center;
    padding: 0 20px;
    position: relative;
    z-index: 2;
}

.step-icon {
    width: 60px;
    height: 60px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 24px;
}

.connector {
    flex-grow: 1;
    height: 2px;
    background-color: var(--border-color);
    margin-top: 30px;
    position: absolute;
    top: 0;
    left: 15%;
    right: 15%;
    z-index: 1;
}

/* Privacy Page Specifics */
.privacy-container {
    max-width: 800px;
    padding: 60px 24px;
}

.privacy-container h1 {
    text-align: center;
}

.last-updated {
    text-align: center;
    color: #6B7280;
    margin-bottom: 48px;
}

.privacy-container section {
    margin-bottom: 40px;
}

.privacy-container ul {
    list-style: disc;
    padding-left: 20px;
    margin-top: 16px;
}

.privacy-container li {
    margin-bottom: 8px;
}

/* Footer */
footer {
    padding: 60px 0;
    border-top: 1px solid var(--border-color);
}

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

.footer-logo {
    color: var(--secondary-color);
    font-size: 1.25rem;
}

.footer-links {
    display: flex;
    gap: 24px;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 1.75rem; }
    
    .navbar .container {
        padding: 0 20px;
    }

    .mobile-menu-btn {
        display: flex;
        flex-direction: column;
        gap: 6px;
    }
    
    .mobile-menu-btn span {
        width: 25px;
        height: 2px;
        background-color: var(--secondary-color);
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--white);
        flex-direction: column;
        padding: 24px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow);
    }

    .nav-links.active {
        display: flex;
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 48px;
    }

    .hero-text {
        margin: 0 auto;
    }

    .steps-container {
        flex-direction: column;
        gap: 40px;
    }
    
    .connector {
        display: none;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 24px;
        text-align: center;
    }
}