body {
    background-color: white;
    font-family: Roboto, sans-serif;
    font-size: 20px;
    margin: 0;
    padding: 0;
}

#page {
    width: 70%;
    margin: 0 auto;
}

header {
    height: auto;
    background-color: rgb(230, 235, 255);
    border-radius: 0 0 10px 10px;
    overflow: hidden;
}

nav {
    clear: both;
    margin-top: -8px;
    background-color: rgb(117, 159, 255);
    border-radius: 10px;
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    height: 65px;
}

nav li {
    float: left;
    margin: 5px 5px;
    font-family: Arial, sans-serif;
    font-size: 30px;
    font-weight: bold;
}

nav li a {
    display: inline-block;
    padding: 10px 10px;
    text-decoration: none;
    color: white;
    background-color: transparent;
    border-radius: 10px;
    transition: all 0.2s ease;
}

nav li a:hover {
    background-color: rgb(230, 235, 255);
    color: rgb(117, 159, 255);
}

.logo {
    display: block;
    padding: 10px 0;
    margin: 0;
    text-align: right;
    background-color: rgba(117, 159, 255, 0.1);
}

.logo img {
    width: 400px;
    height: auto;
    margin-right: 20px;
}

/* === Typography === */
#content h1 {
    font-size: 30px;
    margin: 0 0 20px;
    color: #1a2a4a;
    font-weight: bold;
}

#content h2 {
    font-size: 26px;
    margin: 38px 0 15px;
    color: #2c3e50;
    font-weight: bold;
}

#content h3 {
    font-size: 23px;
    margin: 30px 0 10px;
    color: #34495e;
    font-weight: bold;
    text-align: justify;
}

#content p {
    margin: 0 0 15px;
    text-align: justify;
    font-family: Roboto, sans-serif;
}

#content ul {
    margin: 0 0 20px;
    padding-left: 25px;
}

#content li {
    margin-bottom: 5px;
}

/* === Images === */
.profile-photo {
    float: left;
    width: 40%;
    height: auto;
    margin: 0 20px 15px 0;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

/* === Footer === */
footer {
    clear: both;
    margin-top: 30px;
    padding: 20px 0;
    font-size: 14px;
    border-top: 4px solid rgb(117, 159, 255);
    background-color: rgb(230, 235, 255);
    color: #666;
}

.footer-content {
    width: 70%;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.copyright {
    font-family: Arial, sans-serif;
    color: #555;
    padding: 10px;
}

.social-links {
    display: flex;
    gap: 15px;
    padding-right: 10px;
}

.social-icon img {
    width: 32px;
    height: 32px;
    display: block;
    transition: opacity 0.3s ease;
}

.social-icon:hover img {
    opacity: 0.7;
}

/* === Contacts === */
.contacts-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    max-width: 100%;
    margin: 30px 0;
}

.contact-item {
    display: flex;
    align-items: center;
    padding: 20px 25px;
    background: linear-gradient(135deg, #fff 0%, #f8f9fa 100%);
    border-left: 5px solid rgb(117, 159, 255);
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    margin-bottom: 0;
}

.contact-item:hover {
    transform: translateX(8px);
    box-shadow: 0 4px 15px rgba(117, 159, 255, 0.2);
    border-left-width: 8px;
}

.contact-icon {
    width: 60px;
    height: 60px;
    margin-right: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgb(230, 235, 255);
    border-radius: 50%;
    padding: 10px;
    flex-shrink: 0;
}

.contact-icon img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.contact-info {
    flex: 1;
}

.contact-info h3 {
    margin: 0 0 5px;
    font-size: 18px;
    color: #1a2a4a;
    text-align: left;      /* на десктопе — слева */
}

.contact-info a {
    margin: 0;
    font-size: 16px;
    color: #555;
    text-decoration: none;
    border-bottom: 1px dashed #e6e6f0;
    padding-bottom: 2px;
    transition: all 0.2s ease;
    word-break: break-word;
}

.contact-info a:hover {
    color: rgb(117, 159, 255);
    border-bottom-style: solid;
}

/* === Achievements List === */
.achievements-list {
    list-style: none;
    padding: 0;
    margin: 25px 0;
}

.achievements-list li {
    padding: 15px 20px 15px 50px;
    margin-bottom: 12px;
    background: linear-gradient(135deg, #fff 0%, #f8f9fa 100%);
    border-radius: 10px;
    font-size: 17px;
    color: #333;
    position: relative;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    border-left: 4px solid rgb(117, 159, 255);
    transition: all 0.3s ease;
}

.achievements-list li:hover {
    transform: translateX(5px);
    box-shadow: 0 5px 15px rgba(117, 159, 255, 0.15);
    border-left-width: 6px;
}

.achievements-list li::before {
    content: "✓";
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    width: 22px;
    height: 22px;
    background-color: rgb(117, 159, 255);
    color: white;
    font-size: 14px;
    font-weight: bold;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.achievements-list ul {
    list-style: none;
    padding-left: 0;
    margin: 15px 0 5px 0;
}

.achievements-list ul li {
    padding: 8px 10px 8px 35px;
    margin-bottom: 5px;
    background: rgba(230, 230, 256, 0.3);
    border-left: 3px solid rgb(117, 159, 255);
    font-size: 15px;
    color: #555;
    box-shadow: none;
    position: relative;
}

.achievements-list ul li:first-child {
    margin-top: 5px;
}

.achievements-list ul li::before {
    content: "✓";
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    width: auto;
    height: auto;
    background-color: transparent;
    color: rgb(117, 159, 255);
    font-size: 16px;
    font-weight: bold;
    border-radius: 0;
    display: block;
}

.achievements-list ul li:hover {
    transform: translateX(3px);
    background: rgba(117, 159, 255, 0.1);
    border-left-width: 4px;
    box-shadow: none;
}

/* === Base Numbered List Styles === */
.numbered-list {
    list-style: none;
    padding: 0;
    margin: 25px 0;
    counter-reset: list-counter;
}

.numbered-list li {
    padding: 15px 20px 15px 50px;
    margin-bottom: 12px;
    background: linear-gradient(135deg, #fff 0%, #f8f9fa 100%);
    border-radius: 10px;
    font-size: 17px;
    color: #333;
    position: relative;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    border-left: 4px solid rgb(117, 159, 255);
    transition: all 0.3s ease;
    counter-increment: list-counter;
}

.numbered-list li:hover {
    transform: translateX(5px);
    box-shadow: 0 5px 15px rgba(117, 159, 255, 0.15);
    border-left-width: 6px;
}

.numbered-list li::before {
    content: counter(list-counter);
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    width: 22px;
    height: 22px;
    background-color: rgb(117, 159, 255);
    color: white;
    font-size: 12px;
    font-weight: bold;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

/* === Contacts List (одна колонка) === */
.contacts-list-vertical {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 800px;
    margin: 30px auto;
}

.contact-card {
    display: flex;
    align-items: center;
    padding: 20px 25px;
    background: linear-gradient(135deg, #fff 0%, #f8f9fa 100%);
    border-left: 5px solid rgb(117, 159, 255);
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.contact-card:hover {
    transform: translateX(8px);
    box-shadow: 0 4px 15px rgba(117, 159, 255, 0.2);
    border-left-width: 8px;
}

.contact-card .contact-icon {
    width: 60px;
    height: 60px;
    margin-right: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #e6e6f0;
    border-radius: 50%;
    padding: 10px;
    flex-shrink: 0;
}

.contact-card .contact-icon img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.contact-card .contact-info {
    flex: 1;
}

.contact-card .contact-info h3 {
    margin: 0 0 5px;
    font-size: 18px;
    color: #1a2a4a;
    text-align: left;      /* на десктопе — слева */
}

.contact-card .contact-info a {
    margin: 0;
    font-size: 16px;
    color: #555;
    text-decoration: none;
    border-bottom: 1px dashed #e6e6f0;
    padding-bottom: 2px;
    transition: all 0.2s ease;
    word-break: break-word;
}

.contact-card .contact-info a:hover {
    color: rgb(117, 159, 255);
    border-bottom-style: solid;
}

/* === АДАПТИВНОСТЬ === */

/* Планшеты и небольшие экраны */
@media (max-width: 992px) {
    #page {
        width: 85%;
    }
    .logo img {
        width: 300px;
    }
    nav li {
        font-size: 26px;
    }
}

/* Мобильные устройства (ширина до 768px) */
@media (max-width: 768px) {
    body {
        font-size: 18px;
    }
    #page {
        width: 94%;
    }
    .logo {
        text-align: center;
    }
    .logo img {
        width: 80%;
        max-width: 300px;
        margin-right: 0;
    }

    /* Навигация — одна строка, без скролла, компактно */
    nav {
        margin-top: -5px;
        border-radius: 10px;
        padding: 0 5px;
    }
    nav ul {
        display: flex;
        flex-wrap: nowrap;
        justify-content: space-between;
        align-items: center;
        gap: 4px;
        height: 48px;
        padding: 0;
        margin: 0;
    }
    nav li {
        float: none;
        margin: 0;
        font-size: 0;
        flex: 1 1 auto;
        text-align: center;
    }
    nav li a {
        display: block;
        padding: 6px 4px;
        font-size: 16px;
        white-space: nowrap;
        line-height: 1.2;
    }

    /* Фотография профиля */
    .profile-photo {
        float: none;
        width: 100%;
        margin: 0 0 20px 0;
    }

    /* Заголовки */
    #content h1 {
        font-size: 26px;
    }
    #content h2 {
        font-size: 23px;
    }
    #content h3 {
        font-size: 20px;
    }

    /* Сетка контактов — одна колонка */
    .contacts-container {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    .contact-item {
        flex-direction: column;
        text-align: center;
        padding: 15px 20px;
    }
    .contact-item .contact-info h3,
    .contact-info h3 {
        text-align: center;    /* центрируем заголовки контактов */
    }
    .contact-icon {
        width: 50px;
        height: 50px;
        margin-right: 0;
        margin-bottom: 10px;
    }
    .contact-icon img {
        width: 30px;
        height: 30px;
    }

    /* Карточки ресурсов */
    .contacts-list-vertical {
        max-width: 100%;
        margin: 20px 0;
    }
    .contact-card {
        flex-direction: column;
        text-align: center;
        padding: 15px 18px;
    }
    .contact-card .contact-icon {
        width: 50px;
        height: 50px;
        margin-right: 0;
        margin-bottom: 10px;
    }
    .contact-card .contact-icon img {
        width: 30px;
        height: 30px;
    }
    .contact-card .contact-info h3,
    .contact-card .contact-info .contact-info h3 {
        text-align: center;    /* центрируем заголовки ресурсов */
    }
    .contact-info h3 {
        font-size: 16px;
    }
    .contact-info a {
        font-size: 14px;
    }

    /* Список достижений */
    .achievements-list li {
        padding: 12px 15px 12px 45px;
        font-size: 15px;
    }
    .achievements-list li::before {
        width: 20px;
        height: 20px;
        font-size: 12px;
        left: 14px;
    }
    .numbered-list li {
        padding: 12px 15px 12px 45px;
        font-size: 15px;
    }
    .numbered-list li::before {
        width: 20px;
        height: 20px;
        font-size: 11px;
        left: 14px;
    }

    /* Footer */
    .footer-content {
        flex-direction: column;
        text-align: center;
        width: 100%;
    }
    .social-links {
        justify-content: center;
        padding-right: 0;
        margin-top: 10px;
    }
    .copyright {
        font-size: 12px;
    }
}

/* Очень маленькие телефоны (до 480px) */
@media (max-width: 480px) {
    body {
        font-size: 16px;
    }
    nav ul {
        height: 42px;
        gap: 3px;
    }
    nav li a {
        padding: 5px 3px;
        font-size: 14px;
    }
    .logo img {
        width: 90%;
    }
    #content h1 {
        font-size: 24px;
    }
    #content h2 {
        font-size: 21px;
    }
    /* Повторно обеспечиваем центрирование для узких экранов */
    .contact-item {
        flex-direction: column;
        text-align: center;
        padding: 15px;
    }
    .contact-icon {
        margin-right: 0;
        margin-bottom: 10px;
    }
    .contact-info h3 {
        text-align: center;
    }
    .contact-info a {
        word-break: break-all;
    }
    .contact-card {
        flex-direction: column;
        text-align: center;
        padding: 15px;
    }
    .contact-card .contact-icon {
        margin-right: 0;
        margin-bottom: 10px;
    }
    .contact-card .contact-info h3 {
        text-align: center;
    }
    .social-icon img {
        width: 28px;
        height: 28px;
    }
}