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

/* Dark theme (default) */
:root {
    --bg: #1a2421;
    --bg-card: #232f2b;
    --text: #e8e4d9;
    --text-muted: #a8a089;
    --accent: #c9a227;
    --accent-hover: #d4b33a;
    --border: #3a4a44;
    --teal: #3a6b6b;
}

/* Light theme */
@media (prefers-color-scheme: light) {
    :root {
        --bg: #f5f2e8;
        --bg-card: #ffffff;
        --text: #2a3a34;
        --text-muted: #5a6a60;
        --accent: #b89220;
        --accent-hover: #9a7a18;
        --border: #d4cbb8;
        --teal: #3a6b6b;
    }
}

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

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: color-mix(in srgb, var(--bg) 90%, transparent);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 100;
}

@supports not (background: color-mix(in srgb, red 50%, blue)) {
    header {
        background: var(--bg);
    }
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 600;
}

.logo-img {
    height: 32px;
    width: auto;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.625rem 1.25rem;
    border-radius: 6px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s;
}

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

.btn-primary:hover {
    background: var(--accent-hover);
}

.btn-large {
    padding: 0.875rem 2rem;
    font-size: 1.1rem;
}

/* Main content */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Hero */
.hero {
    padding: 10rem 0 6rem;
    text-align: center;
}

.hero-image {
    width: 300px;
    height: auto;
    margin-bottom: 2rem;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

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

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

.features h2 {
    font-size: 2rem;
    margin-bottom: 3rem;
    text-align: center;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.feature {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
}

.feature h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

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

.provider-list {
    list-style: none;
    margin-top: 1.25rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.provider-list li {
    background: var(--bg);
    border: 1px solid var(--border);
    padding: 0.375rem 0.75rem;
    border-radius: 4px;
    font-size: 0.875rem;
}

.tag {
    font-size: 0.7rem;
    color: var(--teal);
    margin-left: 0.25rem;
}

/* Purchase */
.purchase {
    padding: 6rem 0;
    text-align: center;
}

.purchase h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
}

.price-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 3rem;
    max-width: 400px;
    margin: 0 auto;
}

.price {
    margin-bottom: 2rem;
}

.amount {
    font-size: 4rem;
    font-weight: 700;
}

.period {
    font-size: 1.25rem;
    color: var(--text-muted);
}

.includes {
    list-style: none;
    margin-bottom: 2rem;
    text-align: left;
}

.includes li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border);
    color: var(--text-muted);
}

.includes li:last-child {
    border-bottom: none;
}

.includes li::before {
    content: "✓";
    color: var(--accent);
    margin-right: 0.75rem;
}

/* Footer */
footer {
    border-top: 1px solid var(--border);
    padding: 2rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

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

    nav {
        padding: 1rem;
    }
}