:root {
    --bg-color: #fafafa;
    --text-main: #111111;
    --text-muted: #666666;
    --accent: #000000;
    --accent-hover: #333333;
    --card-bg: #ffffff;
    --border-color: #eaeaea;
}

* {
    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-main);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    -webkit-font-smoothing: antialiased;
}

/* Subtle Dot Grid Background */
.bg-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(#d1d5db 1px, transparent 1px);
    background-size: 24px 24px;
    z-index: -1;
    opacity: 0.5;
    mask-image: linear-gradient(to bottom, rgba(0,0,0,1) 0%, rgba(0,0,0,0) 80%);
    -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,1) 0%, rgba(0,0,0,0) 80%);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    margin-top: 16px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.logo-text {
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
}

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

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

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

/* Hero Section */
.hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 100px 0 80px 0;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #ffffff;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 32px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.02);
}

.badge-dot {
    width: 6px;
    height: 6px;
    background-color: #22c55e;
    border-radius: 50%;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.04em;
    margin-bottom: 24px;
    color: var(--text-main);
}

.highlight-text {
    color: #3b82f6; /* A classic, trustworthy blue */
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 650px;
    margin: 0 auto 48px auto;
    font-weight: 400;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--accent);
    color: white;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.windows-icon {
    width: 20px;
    height: 20px;
}

.btn-secondary {
    background-color: #ffffff;
    color: var(--text-main);
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 4px rgba(0,0,0,0.02);
}

.btn-secondary:hover {
    background-color: #f9f9f9;
    border-color: #d1d1d1;
    transform: translateY(-1px);
}

/* Mockup UI */
.hero-image-wrapper {
    margin-top: 80px;
    width: 100%;
    max-width: 900px;
    perspective: 1000px;
}

.classic-frame {
    background: #ffffff;
    border: 1px solid var(--border-color);
    padding: 8px;
    border-radius: 12px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
    transform: rotateX(2deg);
}

.product-screenshot {
    width: 100%;
    height: auto;
    border-radius: 6px;
    display: block;
    border: 1px solid rgba(0,0,0,0.05);
}

/* Features */
.features {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 64px;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 40px 32px;
    border-radius: 12px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.08);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 24px;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
    font-weight: 600;
    color: var(--text-main);
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Footer */
footer {
    padding: 40px 0;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 40px;
}

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

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

/* Animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title { font-size: 3rem; }
    .hero-cta { flex-direction: column; }
    footer { flex-direction: column; gap: 16px; text-align: center; }
}