:root {
    --bg-color: #10161A;
    --primary-text-color: #FFFFFF;
    --accent-color: #86C8E6;
    --button-primary-bg: #86C8E6;
    --button-secondary-bg: #551183;
    --header-bg-rgba: rgba(28, 37, 44, 0.85);
    --container-bg-rgba: rgba(28, 37, 44, 0.9);
    --error-color: #ff6b6b;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: 'Ultimate Team', 'Montserrat', sans-serif;
    color: var(--primary-text-color);
    line-height: 1.7;
    background: linear-gradient(rgba(16, 22, 26, 0.7), rgba(16, 22, 26, 0.7)), url('../images/bg_section-hero.webp');
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    min-height: 100vh;
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 20px;
}

.header {
    background-color: var(--header-bg-rgba);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 15px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    position: sticky;
    top: 0;
    z-index: 10;
}

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

.logo { height: 40px; width: auto; }

.auth-button {
    text-decoration: none; padding: 10px 20px; background-color: var(--button-primary-bg);
    color: #10161A; border-radius: 5px; font-weight: 700; text-transform: uppercase;
    letter-spacing: 1px; transition: all 0.3s ease;
}
.auth-button:hover {
    background-color: var(--primary-text-color); transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(134, 200, 230, 0.2);
}

main { padding-top: 60px; }

.captcha-container {
    max-width: 450px; margin: 20px auto; padding: 40px;
    background-color: var(--container-bg-rgba);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

.captcha-container h2 {
    margin-top: 0; margin-bottom: 25px; font-size: 2.2em;
    color: var(--primary-text-color); font-weight: 700;
}

.captcha-form { display: flex; flex-direction: column; gap: 25px; }

.captcha-question { font-size: 1.8em; font-weight: 600; color: var(--accent-color); }

.captcha-input {
    padding: 15px; background-color: rgba(16, 22, 26, 0.7); border: 2px solid #444;
    border-radius: 5px; text-align: center; font-size: 1.3em; color: var(--primary-text-color);
    width: 100%; box-sizing: border-box; transition: all 0.3s ease;
}
.captcha-input::placeholder { color: #777; }
.captcha-input:focus {
    outline: none; border-color: var(--accent-color);
    box-shadow: 0 0 10px rgba(134, 200, 230, 0.3);
}

.submit-button {
    padding: 15px 20px; border: none; background-color: var(--button-secondary-bg);
    color: var(--primary-text-color); font-size: 1.2em; font-weight: 700;
    border-radius: 5px; cursor: pointer; text-transform: uppercase;
    letter-spacing: 1px; transition: all 0.3s ease;
}
.submit-button:hover {
    background-color: #6d15a5; transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(85, 17, 131, 0.3);
}

.error-message {
    padding: 15px; margin-bottom: 20px; background-color: rgba(255, 107, 107, 0.1);
    color: var(--error-color); border: 1px solid var(--error-color);
    border-radius: 5px; font-weight: 600;
}

.seo-block { margin-top: 80px; padding-bottom: 40px; }
.seo-block h1 {
    font-size: 2.8em; color: var(--accent-color); margin-bottom: 20px;
    font-weight: 700; text-align: center;
}
.seo-block p { font-size: 1.1em; color: #ccc; }