@import url('https://fonts.googleapis.com/css2?family=Sora:wght@400;600;700&display=swap');

:root {
    --color-surface: #131315;
    --color-surface-container: #201f21;
    --color-surface-container-low: #1b1b1d;
    --color-surface-container-lowest: #0e0e10;
    --color-on-surface: #e5e1e4;
    --color-on-surface-variant: #d0c6ab;
    --color-outline-variant: #4d4732;
    --color-primary: #ffd700;
    --color-on-primary: #3a3000;
    --color-secondary: #5856d6;
    --color-secondary-fixed: #c2c1ff;
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --space-xs: 4px;
    --space-sm: 12px;
    --space-md: 24px;
    --space-lg: 48px;
    --space-xl: 80px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background-color: var(--color-surface);
    color: var(--color-on-surface);
    font-family: 'Sora', sans-serif;
}

a {
    color: inherit;
    text-decoration: none;
}

.container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.hero {
    padding: var(--space-xl) 0 var(--space-lg);
    text-align: center;
}

.hero h1 {
    font-size: 40px;
    font-weight: 700;
    line-height: 1.15;
    margin: 0 0 var(--space-sm);
}

.hero p {
    font-size: 18px;
    color: var(--color-on-surface-variant);
    max-width: 640px;
    margin: 0 auto var(--space-md);
}

.cta-row {
    display: flex;
    gap: var(--space-sm);
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    border: 1px solid var(--color-outline-variant);
    background: transparent;
    color: var(--color-on-surface);
    cursor: pointer;
}

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

section {
    padding: var(--space-lg) 0;
}

section h2 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.category-grid, .sample-grid, .comparison-grid {
    display: grid;
    gap: var(--space-md);
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.card {
    background: var(--color-surface-container);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
}

.sample-card img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    border-radius: var(--radius-md);
    background: var(--color-surface-container-lowest);
}

.comparison-grid .card ul {
    padding-left: var(--space-md);
    color: var(--color-on-surface-variant);
}

.comparison-grid .card.highlight {
    border-color: var(--color-primary);
}

.pricing-grid {
    display: grid;
    gap: var(--space-md);
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    max-width: 720px;
    margin: 0 auto;
}

.pricing-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.pricing-card--highlight {
    border-color: var(--color-primary);
}

.pricing-price {
    font-size: 28px;
    font-weight: 700;
    margin: 0;
}

.pricing-note {
    color: var(--color-on-surface-variant);
    font-size: 13px;
    margin: 0;
}

.pricing-card ul {
    padding-left: var(--space-md);
    color: var(--color-on-surface-variant);
    flex: 1;
}

.pricing-card .btn {
    align-self: flex-start;
}

.cta-banner {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: var(--space-md);
    align-items: center;
    background: var(--color-surface-container);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
}

.cta-banner__image {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: var(--radius-md);
    background: var(--color-surface-container-lowest);
}

.cta-banner__body h2 {
    margin: 0 0 var(--space-xs);
}

.cta-banner__body p {
    color: var(--color-on-surface-variant);
    margin: 0 0 var(--space-sm);
}

@media (max-width: 640px) {
    .cta-banner {
        grid-template-columns: 1fr;
    }
}

.flash {
    padding: var(--space-sm);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-sm);
}

.flash-success {
    background: rgba(255, 215, 0, 0.15);
    color: var(--color-primary);
}

.flash-error {
    background: rgba(255, 180, 171, 0.15);
    color: #ffb4ab;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    background-color: var(--color-surface);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
    padding: 0 16px;
    max-width: 1280px;
    margin: 0 auto;
}

.site-header__brand {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-primary);
}

.site-header__nav {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.site-header__nav a {
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 14px;
    color: var(--color-on-surface-variant);
}

.site-header__nav a.is-primary {
    background-color: var(--color-primary);
    color: var(--color-on-primary);
}

.site-header__logout {
    display: inline;
}

.site-header__logout button {
    background: transparent;
    border: none;
    color: var(--color-on-surface-variant);
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    padding: 8px 16px;
    cursor: pointer;
}

.site-header__logout button:hover {
    color: var(--color-primary);
}

.site-footer {
    padding: var(--space-lg) 0;
    color: var(--color-on-surface-variant);
    font-size: 14px;
}

@media (max-width: 640px) {
    .hero h1 {
        font-size: 32px;
    }
}