:root {
    --bg: #ffffff;
    --text: #1a1a1a;
    --text-muted: #666666;
    --accent: #E11D48;
    --accent-glow: rgba(225, 29, 72, 0.15);
    --border: #f0f0f0;
    --card-bg: #ffffff;
    --nav-bg: rgba(255, 255, 255, 0.8);
    --btn-primary: #1a1a1a;
    --btn-primary-text: #ffffff;
    --btn-secondary: #f4f4f5;
    --btn-secondary-text: #1a1a1a;
    --glass-border: rgba(0, 0, 0, 0.05);
    --font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

[data-theme="dark"] {
    --bg: #09090b;
    --text: #fafafa;
    --text-muted: #a1a1aa;
    --accent: #E11D48;
    --accent-glow: rgba(225, 29, 72, 0.25);
    --border: #27272a;
    --card-bg: #18181b;
    --nav-bg: rgba(9, 9, 11, 0.8);
    --btn-primary: #fafafa;
    --btn-primary-text: #09090b;
    --btn-secondary: #27272a;
    --btn-secondary-text: #fafafa;
    --glass-border: rgba(255, 255, 255, 0.1);
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --bg: #09090b;
        --text: #fafafa;
        --text-muted: #a1a1aa;
        --accent: #E11D48;
        --accent-glow: rgba(225, 29, 72, 0.25);
        --border: #27272a;
        --card-bg: #18181b;
        --nav-bg: rgba(9, 9, 11, 0.8);
        --btn-primary: #fafafa;
        --btn-primary-text: #09090b;
        --btn-secondary: #27272a;
        --btn-secondary-text: #fafafa;
        --glass-border: rgba(255, 255, 255, 0.1);
    }
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
}

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: var(--font-family);
    line-height: 1.6;
    transition: background-color 0.3s, color 0.3s;
    overflow-x: hidden;
}

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

/* Navigation */
nav {
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--nav-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 800;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.9rem;
    transition: color 0.2s;
}

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

.github-star-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.8rem;
    background: var(--btn-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text) !important;
    font-size: 0.85rem !important;
    transition: all 0.2s ease;
}

.github-star-btn:hover {
    background: var(--border);
    transform: translateY(-1px);
}

.star-count-wrapper {
    display: flex;
    align-items: center;
    height: 100%;
    padding-left: 0.5rem;
    border-left: 1px solid var(--glass-border);
    color: var(--accent);
}

.github-icon {
    opacity: 0.8;
}

/* Hero Section */
.hero {
    padding: 100px 0;
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    align-items: center;
}

.badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: var(--accent-glow);
    color: var(--accent);
    border-radius: 99px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.hero h1 {
    font-size: 4.5rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.05em;
    margin-bottom: 1.5rem;
}

.text-gradient {
    background: linear-gradient(135deg, var(--accent), #ff6b6b);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 500px;
}

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

.btn {
    padding: 0.8rem 1.8rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: transform 0.2s, opacity 0.2s, background-color 0.2s;
}

.btn:active {
    transform: scale(0.98);
}

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

.btn-primary:hover {
    opacity: 0.9;
}

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

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

/* Hero Media */
.hero-media {
    position: relative;
}

.screenshot-container {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 40px 100px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--glass-border);
    transform: perspective(1000px) rotateY(-5deg) rotateX(2deg);
    transition: transform 0.5s ease;
}

.screenshot-container:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.hero-screenshot {
    width: 100%;
    display: block;
}

.glass-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0) 100%);
    pointer-events: none;
}

/* Pillars Section */
.pillars {
    padding: 80px 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.pillar {
    padding: 2.5rem;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 16px;
    transition: border-color 0.2s, transform 0.2s;
}

.pillar:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
}

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

.pillar h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.pillar p {
    color: var(--text-muted);
    font-size: 1rem;
}

/* Features List */
.features {
    padding: 100px 0;
    text-align: center;
}

.features h2 {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.04em;
    margin-bottom: 3rem;
}

.text-muted {
    color: var(--text-muted);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.feature-item {
    padding: 1.25rem;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text);
}

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

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

.footer-content p {
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 500;
}

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

.footer-links a {
    text-decoration: none;
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.2s;
}

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

/* Theme Toggle */
.theme-toggle {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 200;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    color: var(--text);
    cursor: pointer;
    font-size: 1.25rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s, box-shadow 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.theme-toggle svg {
    position: absolute;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

[data-theme="dark"] .theme-sun {
    transform: scale(0) rotate(90deg);
    opacity: 0;
}

[data-theme="dark"] .theme-moon {
    transform: scale(1) rotate(0);
    opacity: 1;
}

:root:not([data-theme="dark"]) .theme-sun {
    transform: scale(1) rotate(0);
    opacity: 1;
}

:root:not([data-theme="dark"]) .theme-moon {
    transform: scale(0) rotate(-90deg);
    opacity: 0;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .theme-sun {
        transform: scale(0) rotate(90deg);
        opacity: 0;
    }

    :root:not([data-theme="light"]) .theme-moon {
        transform: scale(1) rotate(0);
        opacity: 1;
    }
}

.theme-toggle:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}

/* Mobile Responsiveness */
@media (max-width: 1024px) {
    .hero {
        grid-template-columns: 1fr;
        padding: 60px 0;
        text-align: center;
    }

    .hero-content {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .hero h1 {
        font-size: 3.5rem;
    }

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

    .cta-group {
        justify-content: center;
    }

    .screenshot-container {
        transform: none;
    }

    .pillars {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2.75rem;
    }

    .cta-group {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

    .footer-content {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }
}