/* ============================================
   Базовые стили и сброс
   ============================================ */

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

:root {
    --color-primary: #0A1F3C;
    --color-secondary: #FFFFFF;
    --color-accent: #D84315;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-border: #E0E0E0;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, Helvetica, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-secondary);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', Georgia, serif;
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.75rem;
}

h4 {
    font-size: 1.25rem;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ============================================
   Шапка (Header)
   ============================================ */

.header {
    background-color: var(--color-primary);
    color: var(--color-secondary);
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

.logo h1 {
    font-size: 1.5rem;
    margin: 0;
    color: var(--color-secondary);
}

.logo-link {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 56px;
    width: auto;
    display: block;
    /* Делаем логотип белым на тёмном фоне */
    filter: brightness(0) invert(1);
}

.nav-list {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-link {
    color: var(--color-secondary);
    font-weight: 400;
    padding: var(--spacing-xs) 0;
    position: relative;
}

.nav-link:hover {
    color: var(--color-accent);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 2px;
    background-color: var(--color-secondary);
    transition: var(--transition);
}

/* ============================================
   Герой-секция (Hero)
   ============================================ */

.hero {
    color: var(--color-secondary);
    padding: var(--spacing-xl) 0;
    min-height: 80vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background-image: url('images/2.jfif');
    background-size: cover;
    /* Позиция фона: чуть выше центра */
    background-position: center 30%;
    background-repeat: no-repeat;
    background-attachment: fixed;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(10, 31, 60, 0.75) 0%,
        rgba(10, 31, 60, 0.65) 50%,
        rgba(26, 58, 92, 0.75) 100%
    );
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.4;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    opacity: 0;
    animation: fadeInUp 1s ease forwards;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-secondary);
    /* Шрифт как у подзаголовка (Inter), размер/цвет оставляем прежними */
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, Helvetica, sans-serif;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    color: rgba(255, 255, 255, 0.9);
    font-weight: 300;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   Кнопки
   ============================================ */

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    border-radius: 4px;
    font-family: 'Inter', sans-serif;
}

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

.btn-primary:hover {
    background-color: #c0392b;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(216, 67, 21, 0.4);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-secondary);
    border: 2px solid var(--color-secondary);
}

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

/* ============================================
   Секции
   ============================================ */

section {
    padding: var(--spacing-xl) 0;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

section.visible {
    opacity: 1;
    transform: translateY(0);
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--color-primary);
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--color-accent);
}

/* ============================================
   Услуги
   ============================================ */

.services {
    background-color: #f8f9fa;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.service-card {
    background-color: var(--color-secondary);
    padding: var(--spacing-lg);
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.service-description {
    color: var(--color-text-light);
    line-height: 1.6;
}

/* ============================================
   О компании
   ============================================ */

.about {
    background-color: var(--color-secondary);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-text {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
    text-align: justify;
}

/* ============================================
   Вакансии
   ============================================ */

.vacancies {
    background-color: #f8f9fa;
}

.vacancies-list {
    max-width: 900px;
    margin: 0 auto;
}

.vacancy-item {
    background-color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.vacancy-item:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.vacancy-header {
    width: 100%;
    padding: var(--spacing-md);
    background-color: var(--color-primary);
    color: var(--color-secondary);
    border: none;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.1rem;
    font-weight: 500;
    transition: var(--transition);
    text-align: left;
}

.vacancy-header:hover {
    background-color: #0d2a4a;
}

.vacancy-header--always-open {
    cursor: default;
    pointer-events: none;
}

.vacancy-header--always-open:hover {
    background-color: var(--color-primary);
}

.vacancy-title {
    flex: 1;
    font-family: 'Inter', sans-serif;
}

.vacancy-toggle {
    font-size: 1.5rem;
    font-weight: 300;
    transition: transform 0.3s ease;
    width: 30px;
    text-align: center;
}

.vacancy-header[aria-expanded="true"] .vacancy-toggle {
    transform: rotate(45deg);
}

.vacancy-content {
    overflow: hidden;
}

/* Вакансия всегда раскрыта */
.vacancy-header--always-open + .vacancy-content,
.vacancy-header[aria-expanded="true"] + .vacancy-content {
    max-height: 5000px;
    padding: var(--spacing-md);
}

.vacancy-columns {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--spacing-md);
}

.vacancy-col h4 {
    margin-top: 0;
}

.vacancy-col ul {
    margin-bottom: 0;
}

@media (max-width: 768px) {
    .vacancy-columns {
        grid-template-columns: 1fr;
    }
}

.vacancy-details h4 {
    color: var(--color-primary);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
}

.vacancy-details h4:first-child {
    margin-top: 0;
}

.vacancy-details ul {
    list-style: disc;
    margin-left: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.vacancy-details li {
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.vacancy-details a {
    color: var(--color-accent);
}

.vacancy-details a:hover {
    text-decoration: underline;
}

/* Кнопка-ссылка внутри вакансии должна выглядеть как кнопка */
.vacancy-actions .btn,
.vacancy-actions .btn:visited {
    color: var(--color-secondary);
    text-decoration: none;
}

.vacancy-details p {
    overflow-wrap: anywhere;
}

.vacancy-details a {
    overflow-wrap: anywhere;
    word-break: break-word;
}

.vacancy-actions {
    margin-top: 0;
    padding-top: var(--spacing-md);
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.vacancy-actions .btn {
    padding: 0.85rem 1.5rem;
    max-width: 100%;
}

.btn-avito {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
}

.avito-icon {
    height: 20px;
    width: auto;
    display: block;
    filter: brightness(0) invert(1);
}

/* ============================================
   Контакты
   ============================================ */

.contacts {
    background-color: var(--color-secondary);
}

.contacts-content {
    max-width: 600px;
    margin: var(--spacing-lg) auto 0;
}

.contact-item {
    margin-bottom: var(--spacing-md);
}

.contact-item h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
    font-size: 1.25rem;
}

.contact-item p {
    color: var(--color-text);
    font-size: 1rem;
}

.contact-item a {
    color: var(--color-accent);
}

.contact-item a:hover {
    text-decoration: underline;
}

.contact-form-wrapper h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    font-size: 1.25rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    padding: 0.75rem;
    border: 2px solid var(--color-border);
    border-radius: 4px;
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ============================================
   Подвал (Footer)
   ============================================ */

.footer {
    background-color: var(--color-primary);
    color: var(--color-secondary);
    padding: var(--spacing-lg) 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--color-secondary);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--color-accent);
}

.footer-copyright {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

/* ============================================
   Анимации
   ============================================ */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   Адаптивность (Mobile)
   ============================================ */

@media (max-width: 768px) {
    :root {
        --spacing-md: 1.5rem;
        --spacing-lg: 2rem;
        --spacing-xl: 3rem;
    }

    .nav-list {
        position: fixed;
        top: 60px;
        left: -100%;
        width: 100%;
        background-color: var(--color-primary);
        flex-direction: column;
        padding: var(--spacing-md);
        gap: var(--spacing-sm);
        transition: left 0.3s ease;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    }

    .nav-list.active {
        left: 0;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .hero {
        min-height: 70vh;
        background-attachment: scroll;
    }

    .hero::before {
        background: linear-gradient(
            135deg,
            rgba(10, 31, 60, 0.85) 0%,
            rgba(10, 31, 60, 0.8) 50%,
            rgba(26, 58, 92, 0.85) 100%
        );
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    h2 {
        font-size: 2rem;
    }

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


    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero {
        min-height: 60vh;
        background-attachment: scroll;
    }

    .hero::before {
        background: linear-gradient(
            135deg,
            rgba(10, 31, 60, 0.9) 0%,
            rgba(10, 31, 60, 0.85) 50%,
            rgba(26, 58, 92, 0.9) 100%
        );
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    .container {
        padding: 0 var(--spacing-sm);
    }
}