/*
Theme Name: Finesteel Com Vn
Theme URI: https://finesteel.com.vn
Author: Finesteel
Author URI: https://finesteel.com.vn
Description: Theme WordPress cho finesteel.com.vn — tích hợp đầy đủ với Elementor & Elementor Pro (hỗ trợ Theme Builder header/footer/single/archive, template toàn màn hình), hiển thị chuẩn trang và bài viết.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 7.0
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: finesteel_com_vn
Tags: elementor, custom-logo, custom-menu, featured-images, threaded-comments, translation-ready, footer-widgets
*/

/* =========================================================
   1. Biến & reset cơ bản
   ========================================================= */
:root {
  --fs-color-primary: #0f4c81;
  --fs-color-primary-dark: #0b3a63;
  --fs-color-accent: #f39c12;
  --fs-color-text: #26313b;
  --fs-color-text-light: #5f6b76;
  --fs-color-border: #e3e8ee;
  --fs-color-bg: #ffffff;
  --fs-color-bg-soft: #f5f7fa;
  --fs-color-footer: #14202b;
  --fs-font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --fs-container: 1200px;
  --fs-radius: 8px;
  --fs-shadow: 0 6px 20px rgba(20, 32, 43, 0.08);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--fs-font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--fs-color-text);
  background: var(--fs-color-bg);
  word-wrap: break-word;
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}

figure {
  margin: 0 0 1.5rem;
}

a {
  color: var(--fs-color-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover,
a:focus {
  color: var(--fs-color-primary-dark);
  text-decoration: underline;
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.3;
  margin: 0 0 0.75rem;
  color: var(--fs-color-text);
  font-weight: 700;
}

h1 { font-size: 2.25rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.375rem; }
h4 { font-size: 1.125rem; }

p {
  margin: 0 0 1.25rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 1.5rem;
}

th, td {
  border: 1px solid var(--fs-color-border);
  padding: 0.5rem 0.75rem;
  text-align: left;
}

blockquote {
  margin: 0 0 1.5rem;
  padding: 0.75rem 1.25rem;
  border-left: 4px solid var(--fs-color-primary);
  background: var(--fs-color-bg-soft);
  font-style: italic;
}

pre {
  background: var(--fs-color-bg-soft);
  padding: 1rem;
  overflow-x: auto;
  border-radius: var(--fs-radius);
}

/* =========================================================
   2. Layout chung
   ========================================================= */
.container {
  max-width: var(--fs-container);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

.site-main {
  min-height: 50vh;
}

.site-main > .container {
  padding-top: 3rem;
  padding-bottom: 3rem;
}

.content-layout.has-sidebar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 3rem;
  align-items: start;
}

@media (max-width: 991px) {
  .content-layout.has-sidebar {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* Trang dựng bằng Elementor: nội dung tràn toàn khung, theme không bó lề */
.elementor-page .site-main {
  min-height: 0;
}

/* =========================================================
   3. Accessibility
   ========================================================= */
.screen-reader-text {
  border: 0;
  clip: rect(1px, 1px, 1px, 1px);
  clip-path: inset(50%);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute !important;
  width: 1px;
  word-wrap: normal !important;
}

.screen-reader-text:focus {
  background-color: var(--fs-color-bg);
  clip: auto !important;
  clip-path: none;
  color: var(--fs-color-primary);
  display: block;
  font-size: 0.875rem;
  font-weight: 700;
  height: auto;
  left: 5px;
  line-height: normal;
  padding: 15px 23px 14px;
  text-decoration: none;
  top: 5px;
  width: auto;
  z-index: 100000;
}

.skip-link {
  position: absolute;
  left: -9999px;
}

.skip-link:focus {
  left: 6px;
  top: 7px;
  z-index: 999999;
  padding: 0.5rem 1rem;
  background: var(--fs-color-primary);
  color: #fff;
}

/* =========================================================
   4. Header & điều hướng
   ========================================================= */
.site-header {
  background: var(--fs-color-bg);
  border-bottom: 1px solid var(--fs-color-border);
  position: relative;
  z-index: 100;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  min-height: 76px;
}

.site-branding {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.site-branding .custom-logo {
  max-height: 56px;
  width: auto;
}

.site-title {
  font-size: 1.5rem;
  font-weight: 800;
  margin: 0;
  letter-spacing: -0.01em;
}

.site-title a {
  color: var(--fs-color-primary);
  text-decoration: none;
}

.site-description {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--fs-color-text-light);
}

.main-navigation ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.main-navigation li {
  position: relative;
}

.main-navigation a {
  display: block;
  padding: 0.625rem 0.875rem;
  font-weight: 600;
  color: var(--fs-color-text);
  text-decoration: none;
  border-radius: var(--fs-radius);
}

.main-navigation a:hover,
.main-navigation a:focus,
.main-navigation .current-menu-item > a,
.main-navigation .current_page_item > a {
  color: var(--fs-color-primary);
  background: var(--fs-color-bg-soft);
  text-decoration: none;
}

/* Menu con (dropdown) */
.main-navigation ul ul {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: var(--fs-color-bg);
  border: 1px solid var(--fs-color-border);
  border-radius: var(--fs-radius);
  box-shadow: var(--fs-shadow);
  padding: 0.375rem;
  display: none;
  flex-direction: column;
  align-items: stretch;
  gap: 0;
  z-index: 110;
}

.main-navigation ul ul ul {
  top: 0;
  left: 100%;
}

.main-navigation li:hover > ul,
.main-navigation li:focus-within > ul {
  display: flex;
}

.menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--fs-color-border);
  border-radius: var(--fs-radius);
  padding: 0.5rem 0.75rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--fs-color-text);
  cursor: pointer;
}

@media (max-width: 900px) {
  .menu-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
  }

  .main-navigation {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--fs-color-bg);
    border-bottom: 1px solid var(--fs-color-border);
    box-shadow: var(--fs-shadow);
    display: none;
    padding: 0.75rem 1.25rem 1rem;
  }

  .main-navigation.is-open {
    display: block;
  }

  .main-navigation ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .main-navigation ul ul {
    position: static;
    display: flex;
    border: 0;
    box-shadow: none;
    padding: 0 0 0 1rem;
    min-width: 0;
  }
}

/* =========================================================
   5. Vòng lặp bài viết (archive / blog / search)
   ========================================================= */
.page-header {
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--fs-color-border);
}

.page-header .page-title {
  margin-bottom: 0.25rem;
}

.archive-description {
  color: var(--fs-color-text-light);
}

.post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.post-card {
  background: var(--fs-color-bg);
  border: 1px solid var(--fs-color-border);
  border-radius: var(--fs-radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}

.post-card:hover {
  box-shadow: var(--fs-shadow);
  transform: translateY(-3px);
}

.post-card.sticky {
  border-color: var(--fs-color-accent);
}

.post-card__thumb {
  display: block;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: var(--fs-color-bg-soft);
}

.post-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.post-card:hover .post-card__thumb img {
  transform: scale(1.04);
}

.post-card__body {
  padding: 1.25rem 1.375rem 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.post-card__meta {
  font-size: 0.8125rem;
  color: var(--fs-color-text-light);
  margin-bottom: 0.5rem;
}

.post-card__title {
  font-size: 1.1875rem;
  margin-bottom: 0.625rem;
}

.post-card__title a {
  color: var(--fs-color-text);
}

.post-card__title a:hover {
  color: var(--fs-color-primary);
  text-decoration: none;
}

.post-card__excerpt {
  color: var(--fs-color-text-light);
  font-size: 0.9375rem;
  margin-bottom: 1rem;
}

.post-card__more {
  margin-top: auto;
  font-weight: 600;
  font-size: 0.9375rem;
}

/* =========================================================
   6. Nội dung đơn (single / page)
   ========================================================= */
.entry-header {
  margin-bottom: 1.75rem;
}

.entry-title {
  margin-bottom: 0.5rem;
}

.entry-meta {
  color: var(--fs-color-text-light);
  font-size: 0.875rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem 1.25rem;
}

.entry-thumbnail {
  margin-bottom: 1.75rem;
}

.entry-thumbnail img {
  width: 100%;
  border-radius: var(--fs-radius);
}

.entry-content {
  font-size: 1.0625rem;
}

.entry-content > *:first-child {
  margin-top: 0;
}

.entry-content h2,
.entry-content h3 {
  margin-top: 2rem;
}

.entry-content ul,
.entry-content ol {
  margin: 0 0 1.25rem;
  padding-left: 1.5rem;
}

.entry-footer {
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--fs-color-border);
  font-size: 0.9375rem;
}

.tags-links a {
  display: inline-block;
  background: var(--fs-color-bg-soft);
  border-radius: 999px;
  padding: 0.125rem 0.75rem;
  margin: 0 0.375rem 0.375rem 0;
  font-size: 0.8125rem;
}

/* Căn chỉnh nội dung WordPress cổ điển */
.alignleft {
  float: left;
  margin: 0.375rem 1.5rem 1rem 0;
}

.alignright {
  float: right;
  margin: 0.375rem 0 1rem 1.5rem;
}

.aligncenter {
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.alignwide {
  margin-left: -2rem;
  margin-right: -2rem;
  max-width: calc(100% + 4rem);
}

.alignfull {
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  max-width: 100vw;
}

.wp-caption {
  max-width: 100%;
}

.wp-caption-text,
figcaption {
  font-size: 0.875rem;
  color: var(--fs-color-text-light);
  text-align: center;
  margin-top: 0.5rem;
}

/* Điều hướng bài trước / bài sau */
.post-navigation {
  margin-top: 2.5rem;
}

.post-navigation .nav-links {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
}

.post-navigation .nav-previous,
.post-navigation .nav-next {
  max-width: 48%;
}

.post-navigation .nav-next {
  text-align: right;
}

/* Phân trang */
.pagination,
.navigation.pagination {
  margin: 1rem 0 0;
}

.pagination .nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
}

.pagination .page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  height: 42px;
  padding: 0 0.75rem;
  border: 1px solid var(--fs-color-border);
  border-radius: var(--fs-radius);
  font-weight: 600;
  color: var(--fs-color-text);
  text-decoration: none;
}

.pagination .page-numbers.current {
  background: var(--fs-color-primary);
  border-color: var(--fs-color-primary);
  color: #fff;
}

.pagination .page-numbers:hover:not(.current) {
  border-color: var(--fs-color-primary);
  color: var(--fs-color-primary);
}

/* Phân trang trong bài viết (wp_link_pages) */
.page-links {
  clear: both;
  margin: 1.5rem 0;
  font-weight: 600;
}

.page-links .post-page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  margin-left: 0.375rem;
  border: 1px solid var(--fs-color-border);
  border-radius: var(--fs-radius);
}

.page-links .post-page-numbers.current {
  background: var(--fs-color-primary);
  border-color: var(--fs-color-primary);
  color: #fff;
}

/* =========================================================
   7. Sidebar & widget
   ========================================================= */
.widget-area .widget {
  background: var(--fs-color-bg-soft);
  border-radius: var(--fs-radius);
  padding: 1.5rem;
  margin-bottom: 1.75rem;
}

.widget-area .widget-title,
.widget-area .wp-block-heading {
  font-size: 1.0625rem;
  margin-bottom: 1rem;
}

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

.widget-area li {
  padding: 0.375rem 0;
  border-bottom: 1px dashed var(--fs-color-border);
}

.widget-area li:last-child {
  border-bottom: 0;
}

/* =========================================================
   8. Form & nút
   ========================================================= */
input[type="text"],
input[type="email"],
input[type="url"],
input[type="password"],
input[type="search"],
input[type="tel"],
input[type="number"],
textarea,
select {
  width: 100%;
  padding: 0.625rem 0.875rem;
  border: 1px solid var(--fs-color-border);
  border-radius: var(--fs-radius);
  font: inherit;
  color: var(--fs-color-text);
  background: var(--fs-color-bg);
}

input:focus,
textarea:focus,
select:focus {
  outline: 2px solid var(--fs-color-primary);
  outline-offset: 1px;
  border-color: var(--fs-color-primary);
}

button,
input[type="submit"],
input[type="button"],
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--fs-color-primary);
  color: #fff;
  border: 0;
  border-radius: var(--fs-radius);
  padding: 0.625rem 1.375rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s ease;
}

button:hover,
input[type="submit"]:hover,
.button:hover {
  background: var(--fs-color-primary-dark);
}

.search-form {
  display: flex;
  gap: 0.5rem;
}

.search-form .search-field {
  flex-grow: 1;
}

/* =========================================================
   9. Bình luận
   ========================================================= */
.comments-area {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 2px solid var(--fs-color-border);
}

.comment-list {
  list-style: none;
  margin: 0 0 2rem;
  padding: 0;
}

.comment-list .comment-body {
  background: var(--fs-color-bg-soft);
  border-radius: var(--fs-radius);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.25rem;
}

.comment-list .children {
  list-style: none;
  margin: 0;
  padding-left: 2rem;
}

.comment-author {
  font-weight: 700;
}

.comment-author .avatar {
  border-radius: 50%;
  margin-right: 0.625rem;
  vertical-align: middle;
}

.comment-metadata {
  font-size: 0.8125rem;
  color: var(--fs-color-text-light);
  margin-bottom: 0.75rem;
}

.comment-content p:last-child {
  margin-bottom: 0;
}

.reply {
  margin-top: 0.625rem;
  font-size: 0.875rem;
}

.comment-form label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.comment-form p {
  margin-bottom: 1rem;
}

/* =========================================================
   10. Trang 404 / không có kết quả
   ========================================================= */
.error-404,
.no-results {
  text-align: center;
  padding: 3rem 0;
}

.error-404 .page-title {
  font-size: 3rem;
}

.error-404 .search-form,
.no-results .search-form {
  max-width: 480px;
  margin: 1.5rem auto 0;
}

/* =========================================================
   11. Footer
   ========================================================= */
.site-footer {
  background: var(--fs-color-footer);
  color: #c4ccd4;
  margin-top: 4rem;
}

.elementor-page .site-footer {
  margin-top: 0;
}

.footer-widgets {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2.5rem;
  padding: 3rem 0 2rem;
}

.site-footer .widget {
  background: transparent;
  padding: 0;
  margin: 0;
}

.site-footer .widget-title,
.site-footer .wp-block-heading {
  color: #fff;
  font-size: 1.0625rem;
  margin-bottom: 1rem;
}

.site-footer a {
  color: #dbe3ea;
}

.site-footer a:hover {
  color: #fff;
}

.site-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-footer li {
  padding: 0.25rem 0;
  border: 0;
}

.site-info {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 1.25rem 0;
  font-size: 0.875rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
}

.footer-menu ul {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

/* =========================================================
   12. Responsive nhỏ
   ========================================================= */
@media (max-width: 600px) {
  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.5rem; }

  .site-main > .container {
    padding-top: 2rem;
    padding-bottom: 2rem;
  }

  .post-navigation .nav-links {
    flex-direction: column;
  }

  .post-navigation .nav-previous,
  .post-navigation .nav-next {
    max-width: 100%;
    text-align: left;
  }
}