/* ============================================================
   responsive.css — полная адаптивность для всех устройств
   (подключается после style.css)
   ============================================================ */

/* ---------- ОЧЕНЬ БОЛЬШИЕ ЭКРАНЫ (≥1400px) ---------- */
@media (min-width: 1400px) {
    .container {
        max-width: 1320px;
    }

    .hero-content h1 {
        font-size: 4.2rem;
    }

    .avatar-circle {
        width: 380px;
        height: 380px;
    }
}

/* ---------- БОЛЬШИЕ ДЕСКТОПЫ (1200–1399px) ---------- */
@media (max-width: 1399px) {
    .container {
        max-width: 1140px;
    }

    .hero-content h1 {
        font-size: 3.4rem;
    }

    .avatar-circle {
        width: 300px;
        height: 300px;
    }

    .portfolio-grid {
        grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    }
}

/* ---------- СТАНДАРТНЫЕ ДЕСКТОПЫ (992–1199px) ---------- */
@media (max-width: 1199px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }

    .hero-description {
        margin: 0 auto 32px;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-avatar {
        order: -1;
    }

    .avatar-circle {
        width: 280px;
        height: 280px;
    }

    .profile-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .profile-details {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 8px 20px;
    }

    .timeline-item {
        padding-left: 60px;
    }

    .timeline-icon {
        left: -44px;
        width: 38px;
        height: 38px;
        font-size: 1rem;
    }

    .testimonial-grid {
        grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    }

    .contact-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    }
}

/* ---------- ПЛАНШЕТЫ И МАЛЕНЬКИЕ ДЕСКТОПЫ (768–991px) ---------- */
@media (max-width: 991px) {
    :root {
        --section-padding: 60px 0;
    }

    .navbar {
        padding: 12px 0;
    }

    .nav-links {
        gap: 20px;
    }

    .hero {
        padding: 110px 0 60px;
        min-height: auto;
    }

    .hero-content h1 {
        font-size: 2.8rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

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

    .avatar-circle {
        width: 240px;
        height: 240px;
    }

    .section-header h2 {
        font-size: 2.2rem;
    }

    .skills-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }

    .portfolio-grid {
        grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    }

    .edu-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }

    .contact-section {
        padding: 40px 24px;
    }

    .contact-form {
        padding: 24px;
    }

    .timeline-item {
        padding: 24px 24px 24px 56px;
    }

    .timeline-icon {
        left: -40px;
        width: 34px;
        height: 34px;
        font-size: 0.9rem;
    }

    .timeline-item::before {
        left: -28px;
        width: 12px;
        height: 12px;
    }

    .profile-card {
        padding: 32px;
    }
}

/* ---------- МОБИЛЬНЫЕ ТЕЛЕФОНЫ (576–767px) ---------- */
@media (max-width: 767px) {
    /* Навигация */
    .burger {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: var(--navbar-height, 70px);
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 30px 24px;
        gap: 20px;
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
        transform: translateX(100%);
        transition: var(--transition);
        align-items: stretch;
        text-align: center;
        border-top: 1px solid #f1f5f9;
    }

    .nav-links.active {
        transform: translateX(0);
    }

    .nav-links a {
        padding: 10px 0;
        display: block;
    }

    .nav-links .btn-primary {
        display: inline-block;
        width: auto;
        margin: 0 auto;
    }

    .nav-links a::after {
        display: none;
    }

    /* Герой */
    .hero {
        padding: 100px 0 50px;
    }

    .hero-content h1 {
        font-size: 2.2rem;
    }

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

    .hero-description {
        font-size: 0.95rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }

    .hero-buttons .btn {
        width: 100%;
        max-width: 320px;
        justify-content: center;
    }

    .avatar-circle {
        width: 200px;
        height: 200px;
    }

    /* Секции */
    .section-header h2 {
        font-size: 1.8rem;
    }

    .section-header .section-subtitle {
        font-size: 1rem;
    }

    .profile-card {
        padding: 24px;
    }

    .profile-details {
        grid-template-columns: 1fr;
    }

    .profile-text p {
        font-size: 0.95rem;
    }

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

    .skill-card {
        padding: 24px;
    }

    /* Таймлайн */
    .timeline {
        padding-left: 24px;
    }

    .timeline-item {
        padding: 20px 20px 20px 48px;
        margin-bottom: 30px;
    }

    .timeline-item::before {
        left: -20px;
        width: 10px;
        height: 10px;
        top: 24px;
    }

    .timeline-icon {
        left: -36px;
        width: 28px;
        height: 28px;
        font-size: 0.8rem;
        top: 20px;
    }

    .timeline-item h3 {
        font-size: 1.1rem;
    }

    .timeline-item ul li {
        font-size: 0.9rem;
        padding: 3px 0 3px 20px;
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .portfolio-img {
        height: 180px;
    }

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

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

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

    .contact-item {
        padding: 12px 16px;
        font-size: 0.9rem;
    }

    .contact-item i {
        font-size: 1.3rem;
    }

    .contact-section {
        padding: 30px 16px;
    }

    .contact-form {
        padding: 20px;
    }

    .form-group input,
    .form-group textarea {
        padding: 12px 16px;
        font-size: 0.9rem;
    }

    .footer-bottom {
        font-size: 0.8rem;
        padding-top: 30px;
        margin-top: 30px;
    }
}

/* ---------- ОЧЕНЬ МАЛЕНЬКИЕ ЭКРАНЫ (≤575px) ---------- */
@media (max-width: 575px) {
    :root {
        --section-padding: 40px 0;
    }

    .hero {
        padding: 90px 0 40px;
    }

    .hero-content h1 {
        font-size: 1.8rem;
    }

    .hero-subtitle {
        font-size: 0.95rem;
    }

    .hero-description {
        font-size: 0.9rem;
    }

    .hero-buttons .btn {
        font-size: 0.9rem;
        padding: 12px 20px;
    }

    .avatar-circle {
        width: 160px;
        height: 160px;
    }

    .section-header h2 {
        font-size: 1.6rem;
    }
    .section-header .section-subtitle {
        font-size: 0.9rem;
    }

    .profile-card {
        padding: 20px;
    }
    .profile-text p {
        font-size: 0.9rem;
    }
    .profile-tag {
        font-size: 0.8rem;
        padding: 4px 12px;
    }

    .skill-card {
        padding: 20px;
    }
    .skill-card h3 {
        font-size: 1rem;
    }
    .skill-tag {
        font-size: 0.75rem;
        padding: 4px 12px;
    }
    .progress-item span {
        font-size: 0.8rem;
    }

    .timeline-item {
        padding: 16px 16px 16px 40px;
    }
    .timeline-item h3 {
        font-size: 1rem;
    }
    .timeline-item .company {
        font-size: 0.85rem;
    }
    .timeline-item ul li {
        font-size: 0.85rem;
        padding: 2px 0 2px 18px;
    }
    .timeline-links a {
        font-size: 0.8rem;
    }

    .edu-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .edu-card {
        padding: 24px 16px;
    }
    .edu-card i {
        font-size: 2.5rem;
    }
    .edu-card h3 {
        font-size: 1.1rem;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    .contact-item {
        padding: 12px 16px;
    }
    .contact-item i {
        font-size: 1.2rem;
    }

    .contact-form h3 {
        font-size: 1.2rem;
    }
    .form-group input,
    .form-group textarea {
        font-size: 0.85rem;
        padding: 10px 14px;
    }

    .portfolio-img {
        height: 160px;
    }
    .portfolio-info h4 {
        font-size: 1rem;
    }
    .portfolio-info p {
        font-size: 0.85rem;
    }
    .portfolio-tag {
        font-size: 0.7rem;
    }

    .testimonial-item {
        padding: 20px;
    }
    .testimonial-content p {
        font-size: 0.9rem;
    }
    .testimonial-author img {
        width: 40px;
        height: 40px;
    }

    .footer-bottom {
        font-size: 0.75rem;
    }
}

/* ---------- ОПЦИОНАЛЬНО: АЛЬБОМНАЯ ОРИЕНТАЦИЯ НА МОБИЛЬНЫХ ---------- */
@media (max-height: 600px) and (orientation: landscape) {
    .hero {
        padding: 80px 0 30px;
        min-height: auto;
    }
    .hero-grid {
        gap: 20px;
    }
    .hero-content h1 {
        font-size: 1.8rem;
    }
    .avatar-circle {
        width: 140px;
        height: 140px;
    }
    .hero-avatar {
        order: -1;
    }
    .hero-buttons .btn {
        padding: 10px 16px;
        font-size: 0.85rem;
    }
}

/* ---------- ЭКРАНЫ С ВЫСОКОЙ ПЛОТНОСТЬЮ (ретина) ---------- */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    /* можно добавить стили для улучшения чёткости, если нужно */
}