/* PDF Инструменты — общие стили */

:root {
    --burgundy: #7B0D19;
    --burgundy-hover: #5E0812;
    --text: #1a1a1a;
    --text-secondary: #666;
    --bg: #ffffff;
    --bg-card: #f7f7f9;
    --border: #e5e5ea;
    --max-width: 720px;
}

@media (prefers-color-scheme: dark) {
    :root {
        --text: #f0f0f0;
        --text-secondary: #a0a0a0;
        --bg: #0d0d0d;
        --bg-card: #1c1c1e;
        --border: #2c2c2e;
    }
}

* { box-sizing: border-box; }

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
    font-size: 17px;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

header {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 48px 24px 24px;
    border-bottom: 1px solid var(--border);
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text);
}

.logo-badge {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--burgundy);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 800;
    font-size: 13px;
    letter-spacing: 0.5px;
}

.logo-name {
    font-size: 20px;
    font-weight: 700;
}

nav {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 12px 24px;
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    font-size: 14px;
    border-bottom: 1px solid var(--border);
}

nav a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.15s;
}

nav a:hover,
nav a.active {
    color: var(--burgundy);
}

main {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 32px 24px 96px;
}

h1 {
    font-size: 34px;
    font-weight: 700;
    line-height: 1.2;
    margin: 24px 0 8px;
    letter-spacing: -0.5px;
}

h2 {
    font-size: 22px;
    font-weight: 700;
    margin: 40px 0 12px;
    line-height: 1.3;
}

h3 {
    font-size: 18px;
    font-weight: 600;
    margin: 24px 0 8px;
}

p { margin: 0 0 16px; }

.meta {
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: 4px;
    margin-bottom: 32px;
}

.intro {
    background: var(--bg-card);
    border-radius: 14px;
    padding: 18px 22px;
    margin: 24px 0;
    border-left: 4px solid var(--burgundy);
}

ul, ol { margin: 0 0 16px; padding-left: 24px; }
li { margin-bottom: 6px; }

a { color: var(--burgundy); text-decoration: none; }
a:hover { text-decoration: underline; }

code {
    font-family: "SF Mono", Menlo, monospace;
    background: var(--bg-card);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 15px;
}

.faq-item {
    border-top: 1px solid var(--border);
    padding: 18px 0;
}

.faq-item h3 { margin: 0 0 6px; }

.contact-box {
    background: var(--bg-card);
    border-radius: 14px;
    padding: 20px 22px;
    margin: 24px 0;
    text-align: center;
}

.contact-box a {
    display: inline-block;
    margin-top: 8px;
    padding: 10px 22px;
    background: var(--burgundy);
    color: white;
    border-radius: 999px;
    font-weight: 600;
    transition: background 0.15s;
}

.contact-box a:hover {
    background: var(--burgundy-hover);
    text-decoration: none;
}

footer {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 32px 24px 48px;
    border-top: 1px solid var(--border);
    font-size: 13px;
    color: var(--text-secondary);
}

.lang-switch {
    display: flex;
    gap: 12px;
    margin-top: 8px;
}

.lang-switch a {
    padding: 4px 10px;
    border-radius: 6px;
    color: var(--text-secondary);
}

.lang-switch a.active {
    background: var(--burgundy);
    color: white;
}

/* Landing-specific */
.hero {
    text-align: center;
    padding: 64px 24px 48px;
}

.hero .tagline {
    font-size: 20px;
    color: var(--text-secondary);
    max-width: 480px;
    margin: 8px auto 24px;
}

.hero .cta {
    display: inline-block;
    padding: 14px 28px;
    background: var(--burgundy);
    color: white;
    border-radius: 999px;
    font-weight: 600;
    font-size: 17px;
    margin-top: 8px;
}

.hero .cta:hover { background: var(--burgundy-hover); text-decoration: none; }

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin: 48px 0;
}

.feature {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 22px;
}

.feature .icon {
    font-size: 28px;
    margin-bottom: 8px;
}

.feature h3 { margin: 0 0 6px; font-size: 17px; }
.feature p { margin: 0; font-size: 15px; color: var(--text-secondary); }