/*
Theme Name: Nextstage Agency
Theme URI: https://example.com/nextstage-agency
Author: NextStage Team
Author URI: https://example.com
Description: Lightweight WordPress theme optimized for SEO, Elementor, and Rank Math.
Version: 1.0.0
Requires at least: 6.4
Tested up to: 6.8
Requires PHP: 7.4
Text Domain: nextstage-agency
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Tags: blog, custom-logo, custom-menu, featured-images, threaded-comments, translation-ready
*/

:root {
  --ns-container: 1200px;
  --ns-gap: 24px;
  --ns-text: #1f2937;
  --ns-muted: #6b7280;
  --ns-bg: #ffffff;
  --ns-border: #e5e7eb;
  --ns-accent: #2563eb;
  --ns-header-link: #3f3f46;
  --ns-header-icon: #5b34d1;
  --ns-header-cta: #3368e8;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  color: var(--ns-text);
  background: var(--ns-bg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
}

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

a {
  color: var(--ns-accent);
}

a:hover,
a:focus {
  text-decoration: none;
}

.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;
  width: 1px;
  word-wrap: normal;
}

.screen-reader-text:focus {
  background-color: #f3f4f6;
  clip: auto;
  clip-path: none;
  color: #111827;
  display: block;
  font-size: 14px;
  height: auto;
  left: 8px;
  line-height: normal;
  padding: 12px;
  text-decoration: none;
  top: 8px;
  width: auto;
  z-index: 100000;
}

.site-header,
.site-footer,
.site-content,
.site-info,
.content-area {
  width: 100%;
}

.ns-container {
  width: 100%;
  max-width: 1320px;
  margin-inline: auto;
  padding-inline: 1.5rem;
  box-sizing: border-box;
}

.site-header {
  border-bottom: 1px solid #f5f5f5;
}

.ns-header-topbar {
  border-bottom: 1px solid #f6e8ef;
}

.ns-header-topbar-inner {
  min-height: 68px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.ns-header-contact-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px 24px;
}

.ns-header-contact-group-right {
  margin-left: auto;
}

.ns-contact-label {
  font-size: 17px;
  font-weight: 700;
  color: #111827;
}

.ns-contact-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ns-header-link);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
}

.ns-contact-icon {
  color: var(--ns-header-icon);
  font-size: 1.1em;
  line-height: 1;
}

.ns-header-cta {
  margin-left: 24px;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 14px 24px;
  border-radius: 10px;
  color: #ffffff;
  background: var(--ns-header-cta);
  text-decoration: none;
  font-size: 17px;
  font-weight: 700;
  white-space: nowrap;
}

.ns-header-cta-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 50px;
  height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  color: var(--ns-header-cta);
  background: #ffffff;
  font-size: 13px;
  font-weight: 700;
}

.ns-header-main {
  position: relative;
  background: #ffffff;
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.06);
  z-index: 25;
}

.ns-header-main-inner {
  min-height: 96px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center !important;
  column-gap: 28px;
}

.site-branding {
  grid-column: 1;
  grid-row: 1;
  justify-self: start;
  width: auto;
  display: inline-flex;
  align-items: center;
}

.custom-logo-link {
  display: inline-flex;
  align-items: center;
}

.site-header .custom-logo {
  display: block;
  max-height: 64px;
  width: auto;
}

.site-title {
  margin: 0;
  font-size: 30px;
  font-weight: 700;
  line-height: 1.2;
}

.site-title a {
  text-decoration: none;
  color: #111827;
}

.main-navigation {
  grid-column: 2;
  grid-row: 1;
  justify-self: center;
  width: auto;
  display: flex;
  align-items: stretch;
}

.ns-header-main-actions {
  grid-column: 3;
  grid-row: 1;
  justify-self: end;
  display: flex;
  align-items: center;
}

.site-branding,
.ns-header-main-actions {
  align-self: center !important;
}

.main-navigation {
  align-self: stretch !important;
  height: 100%;
}

.main-navigation > div {
  display: flex;
  height: 100%;
}

.ns-header-main-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 10px 20px;
  border-radius: 12px;
  background: #3368e8;
  color: #ffffff;
  text-decoration: none;
  font-size: 16px;
  font-weight: 700;
  white-space: nowrap;
}

.ns-header-main-button:hover,
.ns-header-main-button:focus {
  background: #2f59c6;
}

.ns-mobile-menu-toggle {
  display: none;
  border: 0;
  padding: 0;
  background: transparent;
  cursor: pointer;
  gap: 7px;
}

.ns-mobile-menu-toggle-bar {
  display: block;
  width: 52px;
  height: 7px;
  border-radius: 999px;
  background: #3368e8;
}

.ns-mobile-menu-toggle-bar + .ns-mobile-menu-toggle-bar {
  margin-top: 0;
}

.main-navigation > ul,
.main-navigation > div > ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: nowrap;
  gap: 10px 30px;
  height: 100%;
}

.main-navigation > ul > li,
.main-navigation > div > ul > li {
  display: flex;
  align-items: center;
  height: 100%;
}

.main-navigation li {
  position: relative;
}

.main-navigation a {
  color: var(--ns-header-link);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
}

.main-navigation .current-menu-item > a,
.main-navigation .current-menu-ancestor > a,
.main-navigation .current-menu-parent > a,
.main-navigation .current_page_item > a,
.main-navigation .current_page_parent > a {
  color: #3368e8;
}

.main-navigation .current-menu-item.menu-item-has-children > a::after,
.main-navigation .current-menu-ancestor.menu-item-has-children > a::after,
.main-navigation .current-menu-parent.menu-item-has-children > a::after,
.main-navigation .current_page_item.menu-item-has-children > a::after,
.main-navigation .current_page_parent.menu-item-has-children > a::after {
  border-top-color: #3368e8;
}

.main-navigation .menu-item-has-children > a::after {
  content: "";
  display: inline-block;
  margin-left: 9px;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 6px solid #6b7280;
  vertical-align: middle;
}

.main-navigation > ul > li.menu-item-has-children::after,
.main-navigation > div > ul > li.menu-item-has-children::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  height: 14px;
}

.main-navigation .sub-menu {
  display: none;
  list-style: none;
  margin: 0;
  padding-left: 0;
  position: absolute;
  left: 0;
  top: 100%;
  min-width: 260px;
  width: max-content;
  max-width: min(90vw, 560px);
  padding: 12px;
  border: 1px solid #ececf1;
  border-radius: 10px;
  background: #ffffff;
  box-shadow: 0 8px 28px rgba(17, 24, 39, 0.08);
  z-index: 30;
}

.main-navigation .sub-menu li {
  list-style: none;
}

.main-navigation .sub-menu a {
  display: block;
  padding: 9px 10px;
  border-radius: 7px;
  font-size: 15px;
  white-space: nowrap;
}

.main-navigation .sub-menu a:hover,
.main-navigation .sub-menu a:focus {
  color: #3368e8;
  background: #eef4ff;
}

.main-navigation li:hover > .sub-menu {
  display: block;
}

.main-navigation > ul:hover > li > .sub-menu,
.main-navigation > div:hover > ul > li > .sub-menu,
.main-navigation > div > ul:hover > li > .sub-menu {
  display: none;
}

.main-navigation > ul > li:hover > .sub-menu,
.main-navigation > div > ul > li:hover > .sub-menu {
  display: block;
  z-index: 42;
}

.main-navigation > ul > li.ns-mega-menu,
.main-navigation > div > ul > li.ns-mega-menu {
  position: static;
}

.main-navigation > ul > li.ns-mega-menu > .sub-menu,
.main-navigation > div > ul > li.ns-mega-menu > .sub-menu {
  display: none;
  left: 50%;
  top: 100%;
  transform: translateX(-50%);
  width: min(1280px, calc(100vw - 32px));
  padding: 26px;
  border: 1px solid #e6e8f2;
  border-top: 3px solid #3b82f6;
  border-radius: 18px;
  background: #ffffff;
  box-shadow: 0 20px 50px rgba(17, 24, 39, 0.12);
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.main-navigation > ul > li.ns-mega-menu:hover > .sub-menu,
.main-navigation > div > ul > li.ns-mega-menu:hover > .sub-menu,
.main-navigation > div > ul > li.ns-mega-menu > .sub-menu {
  z-index: 46;
}

.main-navigation > ul > li.ns-mega-menu:hover > .sub-menu,
.main-navigation > div > ul > li.ns-mega-menu:hover > .sub-menu {
  display: grid;
}

.main-navigation > ul > li.ns-mega-menu > .sub-menu > li,
.main-navigation > div > ul > li.ns-mega-menu > .sub-menu > li {
  min-width: 0;
}

.main-navigation > ul > li.ns-mega-menu > .sub-menu > li > a,
.main-navigation > div > ul > li.ns-mega-menu > .sub-menu > li > a {
  display: block;
  margin-bottom: 10px;
  color: #111827;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.3;
  padding: 0;
}

.main-navigation > ul > li.ns-mega-menu > .sub-menu > li > .sub-menu,
.main-navigation > div > ul > li.ns-mega-menu > .sub-menu > li > .sub-menu {
  display: block;
  position: static;
  min-width: 100%;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  background: transparent;
}

.main-navigation > ul > li.ns-mega-menu > .sub-menu > li > .sub-menu > li + li,
.main-navigation > div > ul > li.ns-mega-menu > .sub-menu > li > .sub-menu > li + li {
  margin-top: 10px;
}

.main-navigation > ul > li.ns-mega-menu > .sub-menu > li > .sub-menu a,
.main-navigation > div > ul > li.ns-mega-menu > .sub-menu > li > .sub-menu a {
  padding: 0;
  color: #344054;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.35;
  white-space: normal;
  border-radius: 0;
}

.site-content {
  padding: 0;
}

.ns-breadcrumbs {
  margin-bottom: 16px;
  color: var(--ns-muted);
  font-size: 0.9rem;
}

.article-card,
.article-single,
.page-content,
.search-results article,
.archive article {
  border-bottom: 1px solid var(--ns-border);
  padding: 0 0 24px;
  margin-bottom: 24px;
}

.entry-title {
  margin: 0 0 8px;
  line-height: 1.3;
}

.entry-meta {
  margin-bottom: 12px;
  color: var(--ns-muted);
  font-size: 0.9rem;
}

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

.entry-content > *:last-child,
.entry-summary > *:last-child {
  margin-bottom: 0;
}

.site-footer {
  border-top: 1px solid rgba(55, 125, 255, 0.25);
  background-color: #eaf2ff;
  background-image: linear-gradient(180deg, #eaf2ff 0%, #c9dfff 100%);
  color: #1e2022;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

.site-footer a { color: #1e2022; transition: color 0.2s; }
.site-footer a:hover { color: #377dff; }

.site-info {
  margin-top: 24px;
  padding: 12px 0;
  border-top: 1px solid rgba(55, 125, 255, 0.2);
  color: #4a5568;
  font-size: 13px;
  line-height: 1.45;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

.ns-footer-container {
  padding-top: 62px;
}

.ns-footer-grid {
  display: grid;
  grid-template-columns: minmax(320px, 1.2fr) minmax(600px, 1.8fr);
  gap: 60px;
  align-items: flex-start;
}

.ns-footer-company {
  max-width: 680px;
}

.ns-footer-logo-wrap {
  margin-bottom: 28px;
}

.ns-footer-logo-wrap .custom-logo {
  max-height: 96px;
  width: auto;
}

.ns-footer-company-title {
  margin: 0 0 20px;
  color: #0f172a;
  font-size: clamp(20px, 1.3vw, 30px);
  line-height: 1.2;
  font-weight: 700;
  white-space: nowrap;
}

.ns-footer-company-desc {
  margin: 0 0 18px;
  color: #2f3a4a;
  font-size: clamp(16px, 1.1vw, 22px);
  line-height: 1.45;
  max-width: 90%;
}

.ns-footer-tax {
  margin: 0;
  color: #4a5568;
  font-size: clamp(15px, 1vw, 21px);
}

.ns-footer-social {
  margin-top: 42px;
}

.ns-footer-social-title {
  margin: 0 0 16px;
  color: #0f172a;
  font-size: clamp(20px, 1.4vw, 28px);
  font-weight: 700;
}

.ns-footer-social-links {
  display: flex;
  align-items: center;
  gap: 14px;
}

.ns-footer-social-link {
  width: 56px;
  height: 56px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.14);
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

.ns-footer-social-link:hover,
.ns-footer-social-link:focus {
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(15, 23, 42, 0.2);
  filter: saturate(1.05);
}

.ns-social-svg {
  width: 26px;
  height: 26px;
  color: #ffffff;
}

.ns-footer-social-facebook {
  background: linear-gradient(145deg, #5a84f0 0%, #2f58ca 100%);
  color: #ffffff;
}

.ns-footer-social-youtube {
  background: linear-gradient(145deg, #ff6654 0%, #db3b2d 100%);
  color: #ffffff;
}

.ns-footer-social-zalo {
  background: linear-gradient(145deg, #ffffff 0%, #edf3ff 100%);
  border: 2px solid #3b67d7;
  color: #2f58ca;
}

.ns-social-zalo-text {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.2px;
}

.ns-footer-menus {
  display: grid;
  grid-template-columns: repeat(4, minmax(150px, 1fr));
  gap: 44px;
  align-items: flex-start;
}

.ns-footer-menu-column {
  min-width: 0;
}

.ns-footer-menu-title {
  margin: 0 0 18px;
  color: #0f172a;
  font-size: clamp(20px, 1.35vw, 28px);
  line-height: 1.25;
  font-weight: 700;
}

.ns-footer-menu {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  align-items: center;
}

.ns-footer-menu li + li {
  margin-top: 0;
}

.ns-footer-menu a {
  color: #2f3a4a;
  font-size: clamp(16px, 1.05vw, 22px);
  line-height: 1.35;
  text-decoration: none;
  transition: color 0.2s;
}

.ns-footer-menu a:hover,
.ns-footer-menu a:focus {
  color: #377dff;
  text-decoration: none;
}

@media (max-width: 1200px) {
  .main-navigation > ul,
  .main-navigation > div > ul {
    gap: 8px 18px;
  }

  .main-navigation > ul > li > a,
  .main-navigation > div > ul > li > a {
    font-size: 16px;
  }

  .ns-header-main-button {
    min-height: 42px;
    padding: 8px 16px;
    font-size: 15px;
  }

  .ns-footer-grid {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .ns-footer-company {
    max-width: 100%;
  }

  .ns-footer-company-desc {
    max-width: 100%;
  }

  .ns-footer-menus {
    grid-template-columns: repeat(4, minmax(130px, 1fr));
    gap: 28px;
  }

  .ns-footer-logo-wrap .custom-logo {
    max-height: 84px;
  }
}

@media (max-width: 1024px) {
  .ns-header-main-inner {
    grid-template-columns: max-content auto;
  }

  .main-navigation {
    justify-self: end;
  }

  .ns-header-main-actions {
    display: none;
  }
}

@media (max-width: 768px) {
  .site-header {
    border-top: 2px solid #dbe7ff;
  }

  .ns-header-topbar {
    display: none;
  }

  .ns-header-main {
    background: #f3f3f3;
  }

  .ns-header-main-inner {
    min-height: 74px;
    display: flex;
    padding: 4px 0;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
  }

  .ns-header-main-actions {
    display: none;
  }

  .site-header .custom-logo {
    max-height: 52px;
  }

  .ns-mobile-menu-toggle {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 40px;
    min-width: 40px;
    gap: 5px;
    margin-left: auto;
  }

  .ns-mobile-menu-toggle-bar {
    width: 40px;
    height: 5px;
  }

  .main-navigation {
    display: none;
    width: 100%;
    order: 3;
    margin-top: 8px;
    padding: 12px 0 20px;
    border-top: 1px solid #e5e7eb;
  }

  .site-header.ns-mobile-menu-open .main-navigation {
    display: block;
  }

  .main-navigation > ul,
  .main-navigation > div > ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
  }

  .main-navigation > ul > li,
  .main-navigation > div > ul > li {
    display: block;
    height: auto;
    width: 100%;
  }

  .main-navigation > ul > li > a,
  .main-navigation > div > ul > li > a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 0;
  }

  .main-navigation > ul > li.menu-item-has-children::after,
  .main-navigation > div > ul > li.menu-item-has-children::after {
    display: none;
  }

  .main-navigation .sub-menu {
    display: block;
    position: static;
    min-width: 100%;
    width: 100%;
    max-width: 100%;
    margin: 2px 0 10px 0;
    padding: 6px 0 6px 14px;
    border: 0;
    border-left: 2px solid #d7dfef;
    border-radius: 0 8px 8px 0;
    background: rgba(255, 255, 255, 0.72);
    box-shadow: none;
  }

  .main-navigation .sub-menu a {
    padding: 7px 0;
    font-size: 15px;
    line-height: 1.35;
    white-space: normal;
  }

  .main-navigation > ul > li.ns-mega-menu,
  .main-navigation > div > ul > li.ns-mega-menu {
    position: relative;
  }

  .main-navigation > ul > li.ns-mega-menu > .sub-menu,
  .main-navigation > div > ul > li.ns-mega-menu > .sub-menu {
    display: block;
    position: static;
    left: auto;
    top: auto;
    transform: none;
    width: 100%;
    padding: 6px 0 6px 14px;
    border: 0;
    border-left: 2px solid #d7dfef;
    border-radius: 0 8px 8px 0;
    background: rgba(255, 255, 255, 0.72);
    box-shadow: none;
    grid-template-columns: 1fr;
    gap: 0;
  }

  .main-navigation > ul > li.ns-mega-menu > .sub-menu > li > a,
  .main-navigation > div > ul > li.ns-mega-menu > .sub-menu > li > a {
    margin-bottom: 0;
    padding: 7px 0;
    font-size: 16px;
    font-weight: 600;
  }

  .main-navigation > ul > li.ns-mega-menu > .sub-menu > li > .sub-menu,
  .main-navigation > div > ul > li.ns-mega-menu > .sub-menu > li > .sub-menu {
    padding-left: 12px;
    border-left: 1px dashed #c4cddd;
    border-radius: 0;
    background: transparent;
  }

  .site-header.ns-nav-js-ready .main-navigation .menu-item-has-children > .sub-menu {
    display: none;
  }

  .site-header.ns-nav-js-ready .main-navigation .menu-item-has-children.ns-submenu-open > .sub-menu {
    display: block;
  }

  .site-header.ns-nav-js-ready .main-navigation .menu-item-has-children > a::after {
    transition: transform 0.2s ease, border-top-color 0.2s ease;
  }

  .site-header.ns-nav-js-ready .main-navigation .menu-item-has-children.ns-submenu-open > a::after {
    transform: rotate(180deg);
    border-top-color: #3368e8;
  }

  .ns-footer-container {
    padding-top: 34px;
  }

  .ns-footer-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .ns-footer-logo-wrap .custom-logo {
    max-height: 68px;
  }

  .ns-footer-company-title {
    margin-bottom: 14px;
    font-size: 27px;
    white-space: normal;
  }

  .ns-footer-company-desc {
    max-width: 100%;
    font-size: 17px;
  }

  .ns-footer-tax {
    font-size: 16px;
  }

  .ns-footer-social {
    margin-top: 26px;
  }

  .ns-footer-social-title {
    font-size: 20px;
  }

  .ns-footer-menus {
    grid-template-columns: repeat(2, minmax(130px, 1fr));
    gap: 24px 20px;
  }

  .ns-footer-menu-title {
    margin-bottom: 12px;
    font-size: 20px;
  }

  .ns-footer-menu a {
    font-size: 16px;
  }

  .site-info {
    margin-top: 18px;
    padding: 10px 0;
    font-size: 12px;
  }
}

@media (max-width: 480px) {
  .ns-header-main-inner {
    min-height: 64px;
    padding: 2px 0;
  }

  .site-header .custom-logo {
    max-height: 46px;
  }

  .ns-mobile-menu-toggle {
    width: 34px;
    min-width: 34px;
    gap: 4px;
  }

  .ns-mobile-menu-toggle-bar {
    width: 34px;
    height: 4px;
  }

  .main-navigation {
    margin-top: 6px;
    padding: 10px 0 14px;
  }
}

/* Desktop menu state controlled by JS to avoid overlapped dropdown panels. */
@media (min-width: 769px) {
  .site-header.ns-nav-js-ready .main-navigation > ul > li:hover > .sub-menu,
  .site-header.ns-nav-js-ready .main-navigation > div > ul > li:hover > .sub-menu {
    display: none;
  }

  .site-header.ns-nav-js-ready .main-navigation > ul > li.ns-open > .sub-menu,
  .site-header.ns-nav-js-ready .main-navigation > div > ul > li.ns-open > .sub-menu {
    display: block;
    z-index: 42;
  }

  .site-header.ns-nav-js-ready .main-navigation > ul > li.ns-mega-menu.ns-open > .sub-menu,
  .site-header.ns-nav-js-ready .main-navigation > div > ul > li.ns-mega-menu.ns-open > .sub-menu {
    display: grid;
    z-index: 46;
  }
}