/* css/styles.css */

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

:root {
    --primary-color: #1e3a8a;
    --primary-light: #3b82f6;
    --secondary-color: #f8fafc;
    --accent-color: #0ea5e9;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --white: #ffffff;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --border-radius: 8px;
}

body {
    font-family: 'Open Sans', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

p {
    margin-bottom: 1rem;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-title {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--accent-color);
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    font-family: 'Montserrat', sans-serif;
}

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

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

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

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

.text-link {
    color: var(--primary-color);
    font-weight: 600;
    transition: color 0.3s ease;
    text-decoration: none;
    border-bottom: 2px dashed var(--primary-color); /* Штрих-пунктирное подчеркивание */
    padding-bottom: 1px;
}

.text-link:hover {
    color: var(--primary-light);
    border-bottom-color: var(--primary-light); /* Меняем цвет подчеркивания при наведении */
}

/* Навигация */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: var(--white);
    box-shadow: var(--shadow);
    z-index: 1000;
    padding: 1rem 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.nav-logo a {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-link {
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    color: var(--text-dark);
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-link.active {
    color: var(--primary-color);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary-color);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    margin: 3px 0;
    transition: 0.3s;
}

/* Главная секция */
.hero {
    padding: 160px 0 100px;
    background: linear-gradient(135deg, var(--white) 0%, var(--secondary-color) 100%);
}

.hero-container {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-content {
    flex: 1;
    max-width: 600px;
    text-align: left;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
    text-align: left;
}

.hero-subtitle {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--text-light);
    font-weight: 500;
    text-align: left;
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    color: var(--text-light);
    line-height: 1.8;
    text-align: left;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: flex-start;
    flex-wrap: wrap;
}

/* Обо мне */
.about {
    padding: 100px 0;
    background-color: var(--white);
}

.about-content {
    display: flex;
    gap: 4rem;
    align-items: flex-start;
}

.about-text {
    flex: 2;
    font-size: 1.1rem;
    line-height: 1.8;
}

.about-highlights {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.highlight-card {
    background-color: var(--secondary-color);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    border-left: 4px solid var(--primary-color);
    transition: transform 0.3s ease;
}

.highlight-card:hover {
    transform: translateY(-5px);
}

.highlight-card h3 {
    margin-bottom: 0.5rem;
    color: var(--primary-color);
    font-size: 1.3rem;
}

/* Навыки */
.skills {
    padding: 100px 0;
    background-color: var(--secondary-color);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

.skill-category {
    background-color: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

.skill-category:hover {
    transform: translateY(-5px);
}

.skill-category h3 {
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    font-size: 1.3rem;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.skill-tag {
    background-color: var(--secondary-color);
    color: var(--primary-color);
    padding: 0.6rem 1.2rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.skill-tag:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

/* Опыт работы */
.experience {
    padding: 100px 0;
    background-color: var(--white);
}

.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--primary-light);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    padding-left: 80px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 22px;
    top: 0;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background-color: var(--primary-color);
    border: 3px solid var(--white);
    z-index: 1;
}

.timeline-content {
    background-color: var(--secondary-color);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

.timeline-content:hover {
    transform: translateX(10px);
}

.timeline-content h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.4rem;
}

.timeline-content h4 {
    color: var(--text-light);
    font-weight: 500;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.timeline-content p {
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-tags span {
    background-color: var(--primary-light);
    color: var(--white);
    padding: 0.4rem 1rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* Образование */
.education {
    padding: 100px 0;
    background-color: var(--secondary-color);
}

.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

.education-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

.education-card:hover {
    transform: translateY(-5px);
}

.education-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.education-card p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    font-style: italic;
}

.skills-learned {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skills-learned span {
    background-color: var(--secondary-color);
    color: var(--primary-color);
    padding: 0.4rem 1rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* Контакты */
.contact {
    padding: 100px 0;
    background-color: var(--white);
}

.contact-content {
    display: flex;
    gap: 4rem;
}

.contact-info {
    flex: 1;
}

.contact-item {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background-color: var(--secondary-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.contact-item h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.contact-links {
    flex: 1;
}

.contact-links h3 {
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.link-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5rem;
}

.link-item {
    background-color: var(--secondary-color);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 80px;
}

.link-item:hover {
    background-color: var(--primary-color);
    color: var(--white);
    transform: translateY(-5px);
}

/* Футер */
.footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 2rem 0;
    text-align: center;
}

/* Адаптивность */
@media (max-width: 992px) {
    .about-content {
        flex-direction: column;
    }
    
    .contact-content {
        flex-direction: column;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-subtitle {
        font-size: 1.5rem;
    }
    
    .hero-content {
        max-width: 100%;
        text-align: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
        gap: 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-link {
        display: block;
        padding: 1rem;
        width: 100%;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero {
        padding: 140px 0 80px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.3rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 250px;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        padding-left: 60px;
    }
    
    .timeline-item::before {
        left: 12px;
    }
    
    .skills-grid,
    .education-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .timeline-content {
        padding: 1.5rem;
    }
    
    .link-grid {
        grid-template-columns: 1fr;
    }
}