/* === Font === */
@import url('https://fonts.googleapis.com/css2?family=Audiowide&display=swap');

/* === Reset & Base === */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-primary: #1a1a2e;
    --color-accent: #990033;
    --color-accent-hover: #7a0029;
    --color-bg: #ffffff;
    --color-bg-alt: #f8f9fa;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-border: #e9ecef;
    --font-stack: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --max-width: 720px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-stack);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--color-accent-hover);
    text-decoration: underline;
    text-decoration-color: var(--color-accent);
}

/* === Layout === */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* === Navigation === */
.site-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-sm) 0;
}

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

.site-nav__brand {
    font-family: 'Audiowide', cursive;
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--color-accent);
    letter-spacing: -0.02em;
}

.site-nav__brand:hover {
    color: var(--color-accent);
}

.site-nav__links {
    display: flex;
    gap: 0.25rem;
    list-style: none;
}

.site-nav__links a {
    font-size: 0.875rem;
    color: var(--color-text-light);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 4px;
    transition: color 0.2s ease, background 0.2s ease;
}

.site-nav__links a:hover {
    color: var(--color-accent);
    background: var(--color-bg-alt);
    text-decoration: none;
}

/* === Hero === */
.hero {
    padding: calc(var(--spacing-lg) + 60px) 0 var(--spacing-lg);
    background: var(--color-bg-alt);
}

.hero__text {
    font-size: 1.375rem;
    line-height: 1.7;
    color: var(--color-text);
    max-width: 600px;
}

/* === Sections === */
.section {
    padding: var(--spacing-md) 0 var(--spacing-lg);
}

.section + .section {
    border-top: 1px solid var(--color-border);
}

.section__title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

/* === Partners === */
.partners-list {
    list-style: none;
}

.partners-list li {
    padding: var(--spacing-xs) 0;
}

/* === Contact Grid === */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

@media (max-width: 600px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

.contact-grid address {
    font-style: normal;
    line-height: 1.5;
}

.section:last-child {
    padding: var(--spacing-md) 0;
}

/* === Footer === */
.site-footer {
    padding: var(--spacing-md) 0;
    border-top: 1px solid var(--color-border);
    margin-top: var(--spacing-lg);
}

.site-footer p {
    font-size: 0.8125rem;
    color: var(--color-text-light);
}

/* === Expandable product items === */
.partners-list details {
    padding: var(--spacing-xs) 0;
}

.partners-list details summary {
    cursor: pointer;
    list-style: none;
}

.partners-list details summary::-webkit-details-marker {
    display: none;
}

.partners-list details summary::before {
    content: '▸ ';
    color: var(--color-accent);
    transition: transform 0.2s ease;
}

.partners-list details[open] summary::before {
    content: '▾ ';
}

.partners-list details p {
    margin: var(--spacing-xs) 0 var(--spacing-sm) 1.2em;
    color: var(--color-text-light);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* === Section note === */
.section__note {
    margin-top: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--color-text-light);
}