/* ==========================================================================
   Main Styles - Header, Footer, Buttons, Cards, Sidebar, Comments
   ========================================================================== */

/* --- Header / Navbar --- */
.vos-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--vos-white);
    box-shadow: var(--vos-shadow-sm);
    transition: all var(--vos-transition);
    height: var(--vos-header-height);
}

.vos-header--transparent {
    position: fixed;
    width: 100%;
    top: 0;
    background: transparent;
    box-shadow: none;
}

.vos-header--sticky {
    top: 0 !important;
    background: var(--vos-white) !important;
    box-shadow: var(--vos-shadow-sm) !important;
}

.vos-header--transparent.vos-header--sticky .vos-nav__link,
.vos-header--sticky .vos-nav__link,
.vos-header--sticky .vos-header__logo-text {
    color: var(--vos-dark);
}

.vos-header--transparent.vos-header--sticky .vos-nav__link:hover,
.vos-header--transparent.vos-header--sticky .vos-nav__link.vos-nav__link--active,
.vos-header--sticky .vos-nav__link:hover,
.vos-header--sticky .vos-nav__link.vos-nav__link--active {
    color: var(--vos-primary);
}

.vos-header--sticky .vos-header__hamburger,
.vos-header--sticky .vos-header__hamburger::before,
.vos-header--sticky .vos-header__hamburger::after {
    background: var(--vos-dark);
}

.vos-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--vos-header-height);
}

.vos-header__brand {
    flex-shrink: 0;
}

.vos-header__logo-text {
    font-family: var(--vos-font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--vos-dark);
    text-decoration: none;
}

.vos-header--transparent .vos-header__logo-text {
    color: var(--vos-white);
}

.vos-header__brand .custom-logo {
    max-height: 50px;
    width: auto;
}

/* --- Navigation --- */
.vos-nav__list {
    display: flex;
    gap: 5px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.vos-nav__link {
    display: block;
    padding: 10px 16px;
    font-family: var(--vos-font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--vos-dark);
    transition: color var(--vos-transition);
}

.vos-header--transparent .vos-nav__link {
    color: var(--vos-white);
}

.vos-nav__link:hover,
.vos-nav__item--active .vos-nav__link {
    color: var(--vos-primary);
}

/* --- Hamburger --- */
.vos-header__toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
}

.vos-header__hamburger {
    display: block;
    width: 26px;
    height: 3px;
    background: var(--vos-dark);
    border-radius: 3px;
    position: relative;
    transition: all var(--vos-transition);
}

.vos-header--transparent .vos-header__hamburger,
.vos-header--transparent .vos-header__hamburger::before,
.vos-header--transparent .vos-header__hamburger::after {
    background: var(--vos-white);
}

.vos-header__hamburger::before,
.vos-header__hamburger::after {
    content: '';
    display: block;
    width: 26px;
    height: 3px;
    background: var(--vos-dark);
    border-radius: 3px;
    position: absolute;
    transition: all var(--vos-transition);
}

.vos-header__hamburger::before {
    top: -8px;
}

.vos-header__hamburger::after {
    top: 8px;
}

/* Hamburger active state */
.vos-header__toggle[aria-expanded="true"] .vos-header__hamburger {
    background: transparent;
}

.vos-header__toggle[aria-expanded="true"] .vos-header__hamburger::before {
    top: 0;
    transform: rotate(45deg);
    background: var(--vos-dark);
}

.vos-header__toggle[aria-expanded="true"] .vos-header__hamburger::after {
    top: 0;
    transform: rotate(-45deg);
    background: var(--vos-dark);
}

/* --- Content Area --- */
.vos-content-area {
    padding: 60px 0;
}

.vos-content-area--has-sidebar {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 40px;
}

/* --- Page Header --- */
.vos-page-header {
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--vos-primary);
}

.vos-page-header__title {
    font-size: 2.2rem;
}

/* --- Post Cards --- */
.vos-posts {
    display: grid;
    gap: 40px;
}

.vos-post {
    background: var(--vos-white);
    border-radius: var(--vos-radius);
    overflow: hidden;
    box-shadow: var(--vos-shadow-sm);
    transition: box-shadow var(--vos-transition);
}

.vos-post:hover {
    box-shadow: var(--vos-shadow-md);
}

.vos-post__thumbnail img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.vos-post__body {
    padding: 30px;
}

.vos-post__title {
    margin-bottom: 10px;
}

.vos-post__title a {
    color: var(--vos-dark);
}

.vos-post__title a:hover {
    color: var(--vos-primary);
}

.vos-post__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 15px;
    font-size: 0.85rem;
    color: #999;
}

.vos-post__meta i {
    margin-right: 4px;
    color: var(--vos-primary);
}

.vos-post__meta a {
    color: #999;
}

.vos-post__meta a:hover {
    color: var(--vos-primary);
}

.vos-post__excerpt {
    color: var(--vos-font-color);
    margin-bottom: 20px;
}

.vos-read-more {
    font-weight: 600;
    color: var(--vos-primary);
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
}

.vos-read-more:hover {
    color: var(--vos-primary-dark);
}

/* --- Single Post --- */
.vos-single__content {
    font-size: 1.05rem;
    line-height: 1.8;
}

.vos-single__content p {
    margin-bottom: 1.5em;
}

.vos-single__content h2,
.vos-single__content h3,
.vos-single__content h4 {
    margin-top: 1.5em;
}

.vos-single__content img {
    border-radius: var(--vos-radius);
}

.vos-single__content blockquote {
    border-left: 4px solid var(--vos-primary);
    padding: 20px 30px;
    margin: 30px 0;
    background: var(--vos-light-gray);
    border-radius: 0 var(--vos-radius) var(--vos-radius) 0;
    font-style: italic;
}

.vos-post__footer {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--vos-border);
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    font-size: 0.85rem;
}

.vos-post__footer i {
    margin-right: 4px;
    color: var(--vos-primary);
}

/* --- Post Navigation --- */
.post-navigation {
    margin-top: 40px;
    padding: 30px 0;
    border-top: 1px solid var(--vos-border);
    border-bottom: 1px solid var(--vos-border);
}

.nav-links {
    display: flex;
    justify-content: space-between;
}

.nav-previous a,
.nav-next a {
    color: var(--vos-dark);
    font-weight: 600;
}

.nav-previous a:hover,
.nav-next a:hover {
    color: var(--vos-primary);
}

/* --- Pagination --- */
.pagination {
    margin-top: 40px;
}

.nav-links {
    display: flex;
    justify-content: center;
    gap: 5px;
}

.page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    border-radius: var(--vos-radius);
    font-weight: 600;
    color: var(--vos-dark);
    background: var(--vos-light-gray);
    transition: all var(--vos-transition);
}

.page-numbers:hover,
.page-numbers.current {
    background: var(--vos-primary);
    color: var(--vos-white);
}

/* --- Sidebar --- */
.vos-sidebar {
    position: sticky;
    top: calc(var(--vos-header-height) + 20px);
    align-self: start;
}

.vos-widget {
    background: var(--vos-white);
    padding: 25px;
    border-radius: var(--vos-radius);
    box-shadow: var(--vos-shadow-sm);
    margin-bottom: 30px;
}

.vos-widget__title {
    font-size: 1.1rem;
    padding-bottom: 12px;
    margin-bottom: 15px;
    border-bottom: 2px solid var(--vos-primary);
}

.vos-widget ul {
    list-style: none;
    padding: 0;
}

.vos-widget li {
    padding: 8px 0;
    border-bottom: 1px solid var(--vos-border);
}

.vos-widget li:last-child {
    border-bottom: none;
}

.vos-widget a {
    color: var(--vos-font-color);
}

.vos-widget a:hover {
    color: var(--vos-primary);
}

/* --- Footer --- */
.vos-footer {
    background: #1a1a1a;
    color: rgba(255, 255, 255, 0.7);
}

.vos-footer__accent-line {
    height: 4px;
    background: linear-gradient(90deg, var(--vos-primary), var(--vos-accent));
}

.vos-footer__main {
    padding: 60px 0;
}

.vos-footer__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.vos-footer__heading {
    color: var(--vos-white);
    font-size: 1.1rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 12px;
}

.vos-footer__heading::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 2px;
    background: var(--vos-primary);
}

.vos-footer__text {
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

.vos-footer__social {
    display: flex;
    gap: 10px;
}

.vos-footer__social-link {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
    transition: all var(--vos-transition);
}

.vos-footer__social-link:hover {
    background: var(--vos-primary);
    color: var(--vos-white);
}

.vos-footer__links {
    list-style: none;
    padding: 0;
}

.vos-footer__links li {
    margin-bottom: 10px;
}

.vos-footer__links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    transition: color var(--vos-transition);
}

.vos-footer__links a::before {
    content: '\f105';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    margin-right: 8px;
    color: var(--vos-primary);
}

.vos-footer__links a:hover {
    color: var(--vos-primary);
}

.vos-footer__contact {
    list-style: none;
    padding: 0;
}

.vos-footer__contact li {
    display: flex;
    gap: 12px;
    margin-bottom: 15px;
    font-size: 0.9rem;
    align-items: flex-start;
}

.vos-footer__contact li i {
    color: var(--vos-primary);
    margin-top: 3px;
    width: 16px;
    text-align: center;
    flex-shrink: 0;
}

.vos-footer__contact a {
    color: rgba(255, 255, 255, 0.7);
}

.vos-footer__contact a:hover {
    color: var(--vos-primary);
}

/* Footer widget area */
.vos-footer-widget ul {
    list-style: none;
    padding: 0;
}

.vos-footer-widget li {
    margin-bottom: 10px;
}

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

.vos-footer-widget a:hover {
    color: var(--vos-primary);
}

/* Footer Bottom */
.vos-footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 0;
}

.vos-footer__bottom-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
}

.vos-footer__copyright {
    color: rgba(255, 255, 255, 0.5);
}

.vos-footer__bottom-menu {
    display: flex;
    gap: 20px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.vos-footer__bottom-menu a {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.85rem;
}

.vos-footer__bottom-menu a:hover {
    color: var(--vos-primary);
}

/* --- Back to Top --- */
.vos-back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 44px;
    height: 44px;
    background: var(--vos-primary);
    color: var(--vos-white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    box-shadow: var(--vos-shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--vos-transition);
    z-index: 999;
}

.vos-back-to-top--visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.vos-back-to-top:hover {
    background: var(--vos-primary-dark);
    transform: translateY(-3px);
}

/* --- Comments --- */
.vos-comments {
    margin-top: 50px;
}

.vos-comments__title {
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--vos-primary);
}

.comment-list {
    list-style: none;
    padding: 0;
}

.comment-list .comment {
    padding: 20px 0;
    border-bottom: 1px solid var(--vos-border);
}

.comment-list .children {
    list-style: none;
    padding-left: 40px;
}

.comment-author {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 5px;
}

.comment-author .avatar {
    border-radius: 50%;
}

.comment-author .fn {
    font-weight: 600;
    color: var(--vos-dark);
}

.comment-metadata {
    font-size: 0.85rem;
    color: #999;
    margin-bottom: 10px;
}

.comment-metadata a {
    color: #999;
}

.reply a {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--vos-primary);
    text-transform: uppercase;
}

/* Comment Form */
.comment-respond {
    margin-top: 40px;
}

.comment-form label {
    display: block;
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--vos-dark);
}

.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form input[type="url"],
.comment-form textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--vos-border);
    border-radius: var(--vos-radius);
    font-family: var(--vos-font-body);
    font-size: 0.95rem;
    transition: border-color var(--vos-transition);
    margin-bottom: 15px;
}

.comment-form input:focus,
.comment-form textarea:focus {
    outline: none;
    border-color: var(--vos-primary);
}

.comment-form .submit {
    background: var(--vos-primary);
    color: var(--vos-white);
    border: none;
    padding: 14px 32px;
    font-family: var(--vos-font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: var(--vos-radius);
    cursor: pointer;
    transition: background var(--vos-transition);
}

.comment-form .submit:hover {
    background: var(--vos-primary-dark);
}

/* --- Contact Form 7 --- */
.wpcf7-form p {
    margin-bottom: 16px;
}

.wpcf7-form label {
    display: block;
    font-family: var(--vos-font-heading);
    font-weight: 600;
    color: var(--vos-dark);
    margin-bottom: 5px;
}

.wpcf7-form input[type="text"],
.wpcf7-form input[type="email"],
.wpcf7-form input[type="url"],
.wpcf7-form input[type="tel"],
.wpcf7-form input[type="number"],
.wpcf7-form input[type="date"],
.wpcf7-form textarea,
.wpcf7-form select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--vos-border);
    border-radius: var(--vos-radius);
    font-family: var(--vos-font-body);
    font-size: 0.95rem;
    transition: border-color var(--vos-transition);
    background: var(--vos-white);
}

.wpcf7-form input[type="text"]:focus,
.wpcf7-form input[type="email"]:focus,
.wpcf7-form input[type="url"]:focus,
.wpcf7-form input[type="tel"]:focus,
.wpcf7-form input[type="number"]:focus,
.wpcf7-form input[type="date"]:focus,
.wpcf7-form textarea:focus,
.wpcf7-form select:focus {
    outline: none;
    border-color: var(--vos-primary);
}

.wpcf7-form textarea {
    min-height: 150px;
    resize: vertical;
}

.wpcf7-form input[type="submit"] {
    background: var(--vos-primary);
    color: var(--vos-white);
    border: none;
    padding: 14px 32px;
    font-family: var(--vos-font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: var(--vos-radius);
    cursor: pointer;
    transition: background var(--vos-transition);
}

.wpcf7-form input[type="submit"]:hover {
    background: var(--vos-primary-dark);
}

/* CF7 validation */
.wpcf7-not-valid {
    border-color: #dc3545 !important;
}

.wpcf7-not-valid-tip {
    color: #dc3545;
    font-size: 0.85rem;
    margin-top: 4px;
    display: block;
}

.wpcf7-response-output {
    margin: 20px 0 0;
    padding: 12px 16px;
    border-radius: var(--vos-radius);
    font-size: 0.9rem;
}

.wpcf7-form.sent .wpcf7-response-output {
    border-color: var(--vos-primary);
    color: var(--vos-primary-dark);
    background: rgba(124, 178, 66, 0.1);
}

.wpcf7-form.failed .wpcf7-response-output,
.wpcf7-form.aborted .wpcf7-response-output,
.wpcf7-form.invalid .wpcf7-response-output {
    border-color: #dc3545;
    color: #dc3545;
    background: rgba(220, 53, 69, 0.1);
}

.wpcf7 .wpcf7-spinner {
    margin-left: 12px;
}

/* --- 404 Page --- */
.vos-404 {
    text-align: center;
    padding: 80px 0;
}

.vos-404__icon {
    font-size: 5rem;
    color: var(--vos-primary);
    margin-bottom: 20px;
}

.vos-404__title {
    font-size: 6rem;
    color: var(--vos-primary);
    margin-bottom: 10px;
}

.vos-404__subtitle {
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.vos-404__text {
    max-width: 500px;
    margin: 0 auto 30px;
}

/* --- Search Form in Content --- */
.vos-search-form {
    display: flex;
    max-width: 500px;
    margin: 0 auto;
}

.vos-search-form input[type="search"] {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid var(--vos-border);
    border-right: none;
    border-radius: var(--vos-radius) 0 0 var(--vos-radius);
    font-size: 1rem;
    font-family: var(--vos-font-body);
}

.vos-search-form input[type="search"]:focus {
    outline: none;
    border-color: var(--vos-primary);
}

.vos-search-form button {
    padding: 12px 20px;
    background: var(--vos-primary);
    color: var(--vos-white);
    border: 2px solid var(--vos-primary);
    border-radius: 0 var(--vos-radius) var(--vos-radius) 0;
    cursor: pointer;
    font-size: 1rem;
    transition: background var(--vos-transition);
}

.vos-search-form button:hover {
    background: var(--vos-primary-dark);
    border-color: var(--vos-primary-dark);
}

/* --- Content None --- */
.vos-no-results {
    text-align: center;
    padding: 60px 0;
}

.vos-no-results__title {
    margin-bottom: 15px;
}