/*
Theme Name:   GP Portfolio Child
Theme URI:    https://dungvo.dev
Description:  Child theme for GeneratePress — Personal portfolio for Vo Van Dung
Author:       Vo Van Dung
Author URI:   https://dungvo.dev
Template:     generatepress
Version:      1.0.0
Text Domain:  gp-portfolio-child
*/

/* ============================================================
   CSS CUSTOM PROPERTIES — Light Mode (default)
   ============================================================ */
:root {
  --color-bg:        #ffffff;
  --color-text:      #111827;
  --color-text-muted:#6b7280;
  --color-accent:    #6366f1;
  --color-accent-hover: #4f46e5;
  --color-card-bg:   #f9fafb;
  --color-border:    #e5e7eb;
  --color-hero-bg:   #1a1a2e;
  --color-hero-text: #f5f5f5;
  --font-base:       'Inter', system-ui, -apple-system, sans-serif;
  --container-width: 1200px;
  --radius:          8px;
  --shadow:          0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
  --shadow-hover:    0 4px 12px rgba(0,0,0,.12);
  --transition:      0.2s ease;
}

/* Dark Mode */
[data-theme="dark"] {
  --color-bg:        #0d0d0d;
  --color-text:      #f5f5f5;
  --color-text-muted:#9ca3af;
  --color-accent:    #6366f1;
  --color-accent-hover: #818cf8;
  --color-card-bg:   #1a1a1a;
  --color-border:    #2d2d2d;
  --color-hero-bg:   #1a1a2e;
  --color-hero-text: #f5f5f5;
  --shadow:          0 1px 3px rgba(0,0,0,.4);
  --shadow-hover:    0 4px 12px rgba(0,0,0,.5);
}

/* ============================================================
   BASE
   ============================================================ */
body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-base);
  transition: background-color var(--transition), color var(--transition);
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition);
}

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

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

/* ============================================================
   NAVIGATION
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  transition: background-color var(--transition), border-color var(--transition);
}

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

.main-navigation ul li a {
  color: var(--color-text);
  font-weight: 500;
  padding: 0.5rem 0.75rem;
  transition: color var(--transition);
}

.main-navigation ul li a:hover {
  color: var(--color-accent);
}

/* Nav utility buttons (dark mode + lang switcher) */
.nav-utilities {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: 1rem;
}

/* Mobile clone — không dùng nữa */
.nav-utilities-mobile {
  display: none;
}

@media (max-width: 768px) {
  .nav-utilities-mobile {
    display: flex;
    margin-left: 0;
    margin-right: 0.25rem;
  }

  /* Không wrap — giữ hamburger + dark mode + lang trên 1 hàng */
  .has-inline-mobile-toggle .mobile-menu-control-wrapper {
    flex-wrap: nowrap !important;
    align-items: center;
  }
}

/* Dark mode toggle button */
.dark-mode-toggle {
  background: none;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 0.35rem 0.6rem;
  cursor: pointer;
  color: var(--color-text);
  font-size: 1rem;
  line-height: 1;
  transition: border-color var(--transition), color var(--transition), background-color var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.dark-mode-toggle:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.dark-mode-toggle .icon-sun { display: none; }
.dark-mode-toggle .icon-moon { display: inline; }
[data-theme="dark"] .dark-mode-toggle .icon-sun { display: inline; }
[data-theme="dark"] .dark-mode-toggle .icon-moon { display: none; }

/* Language switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 0.35rem 0.6rem;
}

.lang-switcher a {
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.lang-switcher a:hover,
.lang-switcher a.current-lang {
  color: var(--color-accent);
}

.lang-switcher .sep {
  color: var(--color-border);
}

/* ============================================================
   HAMBURGER MENU (mobile)
   ============================================================ */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  flex-direction: column;
  gap: 5px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.menu-toggle.is-active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle.is-active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.is-active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.portfolio-hero {
  background-color: var(--color-hero-bg);
  color: var(--color-hero-text);
  padding: 6rem 1.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

/* Subtle grid pattern overlay */
.portfolio-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(99,102,241,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99,102,241,0.06) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

.portfolio-hero .hero-inner {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto;
}

.portfolio-hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1rem;
  color: var(--color-hero-text);
  letter-spacing: -0.02em;
}

.portfolio-hero .hero-sub {
  font-size: 1.1rem;
  color: rgba(245,245,245,0.75);
  margin-bottom: 2.5rem;
  letter-spacing: 0.04em;
}

.hero-cta-group {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background-color var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
  text-decoration: none;
}

.btn:hover {
  transform: translateY(-1px);
  text-decoration: none;
}

.btn-primary {
  background-color: var(--color-accent);
  color: #ffffff;
  border-color: var(--color-accent);
}

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: #ffffff;
}

.btn-ghost {
  background-color: transparent;
  color: var(--color-hero-text);
  border-color: rgba(245,245,245,0.4);
}

.btn-ghost:hover {
  border-color: var(--color-hero-text);
  color: var(--color-hero-text);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.btn-outline:hover {
  background-color: var(--color-accent);
  color: #ffffff;
}

/* ============================================================
   SECTION COMMONS
   ============================================================ */
.portfolio-section {
  padding: 5rem 1.5rem;
  max-width: var(--container-width);
  margin: 0 auto;
}

.section-header {
  margin-bottom: 3rem;
  text-align: center;
}

.section-header h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.section-header p {
  color: var(--color-text-muted);
  font-size: 1rem;
}

.section-link {
  display: inline-block;
  margin-top: 2.5rem;
  color: var(--color-accent);
  font-weight: 600;
  font-size: 0.95rem;
}

.section-link:hover {
  color: var(--color-accent-hover);
}

/* ============================================================
   SERVICE CARDS GRID
   ============================================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1.25rem;
}

/* 5 cards: row 1 = 3 cards (each span 2 of 6 cols), row 2 = 2 cards centered */
.services-grid .service-card {
  grid-column: span 2;
}

.services-grid .service-card:nth-child(4) {
  grid-column: 2 / span 2;
}

.services-grid .service-card:nth-child(5) {
  grid-column: 4 / span 2;
}

@media (max-width: 900px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .services-grid .service-card {
    grid-column: span 1;
  }
  .services-grid .service-card:nth-child(4),
  .services-grid .service-card:nth-child(5) {
    grid-column: auto;
  }
}

.service-card {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}

.service-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
  border-color: var(--color-accent);
}

.service-card .service-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
  display: block;
}

.service-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin: 0;
}

/* ============================================================
   PROJECT CARD
   ============================================================ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.project-card {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}

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

.project-card-image {
  width: 100%;
  height: 200px;
  background-color: #1a1a2e;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(245,245,245,0.6);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--color-border);
}

.project-card-image.placeholder-coming-soon {
  background-color: var(--color-card-bg);
  color: var(--color-text-muted);
  font-size: 0.95rem;
  font-style: italic;
  border: 2px dashed var(--color-border);
  height: 200px;
}

.project-card-body {
  padding: 1.5rem;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.75rem;
}

.project-tag {
  background-color: rgba(99,102,241,0.1);
  color: var(--color-accent);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
}

.project-card-body h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.25rem;
}

.project-card-body .project-client {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 0.75rem;
}

.project-card-body p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ============================================================
   CTA STRIP
   ============================================================ */
.cta-strip {
  background-color: var(--color-accent);
  color: #ffffff;
  padding: 4rem 1.5rem;
  text-align: center;
}

.cta-strip h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 1.5rem;
}

.cta-strip .btn {
  background-color: #ffffff;
  color: var(--color-accent);
  border-color: #ffffff;
  font-weight: 700;
}

.cta-strip .btn:hover {
  background-color: transparent;
  color: #ffffff;
  border-color: #ffffff;
}

/* ============================================================
   BLOG GRID
   ============================================================ */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

.blog-card {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}

.blog-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.blog-card-thumbnail {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
  background-color: var(--color-border);
}

.blog-card-thumb-placeholder {
  width: 100%;
  height: 180px;
  background: linear-gradient(135deg, #1a1a2e 0%, #6366f1 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.5);
  font-size: 0.85rem;
}

.blog-card-body {
  padding: 1.25rem;
}

.blog-card-meta {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
}

.blog-card-body h2,
.blog-card-body h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.blog-card-body h2 a,
.blog-card-body h3 a {
  color: var(--color-text);
  text-decoration: none;
}

.blog-card-body h2 a:hover,
.blog-card-body h3 a:hover {
  color: var(--color-accent);
}

.blog-card-excerpt {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.blog-card-body .read-more {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-accent);
}

/* ============================================================
   SINGLE POST
   ============================================================ */
.single-post-wrapper {
  max-width: 720px;
  margin: 3rem auto;
  padding: 0 1.5rem;
}

.single-post-header {
  margin-bottom: 2rem;
}

.single-post-header h1 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--color-text);
  line-height: 1.25;
  margin-bottom: 0.75rem;
}

.single-post-meta {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.single-post-content {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text);
}

.single-post-content p {
  margin-bottom: 1.5rem;
}

.single-post-content h2,
.single-post-content h3 {
  font-weight: 700;
  margin: 2rem 0 0.75rem;
  color: var(--color-text);
}

.single-post-content code {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 0.2em 0.4em;
  font-size: 0.875em;
  color: var(--color-accent);
}

.single-post-content pre {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  overflow-x: auto;
  margin: 1.5rem 0;
}

.back-to-blog {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--color-accent);
  font-weight: 600;
  font-size: 0.9rem;
  margin: 2rem 0;
}

/* ============================================================
   SERVICES PAGE BLOCKS
   ============================================================ */
.services-page-wrapper {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 4rem 1.5rem;
}

.services-page-intro {
  max-width: 640px;
  margin: 0 auto 3.5rem;
  text-align: center;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.service-block {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2.5rem;
  margin-bottom: 1.5rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.service-block:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-hover);
}

.service-block h2 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.service-block p {
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.service-block ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.service-block ul li {
  padding: 0.3rem 0;
  padding-left: 1.25rem;
  position: relative;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.service-block ul li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

.services-page-cta {
  text-align: center;
  margin-top: 3rem;
  padding-top: 3rem;
  border-top: 1px solid var(--color-border);
}

.services-page-cta p {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
}

/* ============================================================
   CONTACT PAGE
   ============================================================ */
.contact-page-wrapper {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 4rem 1.5rem;
}

.contact-page-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.contact-page-intro {
  color: var(--color-text-muted);
  font-size: 1rem;
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 3rem;
  align-items: start;
}

.contact-info {
  padding-top: 0.5rem;
}

.contact-info h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.contact-email-link {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-accent);
  word-break: break-all;
}

.contact-note {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 0.5rem;
}

/* CF7 form styles */
.wpcf7-form input[type="text"],
.wpcf7-form input[type="email"],
.wpcf7-form select,
.wpcf7-form textarea {
  width: 100%;
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  color: var(--color-text);
  font-family: var(--font-base);
  font-size: 0.95rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  box-sizing: border-box;
}

.wpcf7-form input:focus,
.wpcf7-form select:focus,
.wpcf7-form textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.12);
}

.wpcf7-form .wpcf7-form-control-wrap {
  display: block;
  margin-bottom: 1rem;
}

.wpcf7-form label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.35rem;
}

.wpcf7-form textarea {
  min-height: 140px;
  resize: vertical;
}

.wpcf7-form input[type="submit"],
.wpcf7-submit {
  background-color: var(--color-accent);
  color: #ffffff;
  border: none;
  padding: 0.75rem 2rem;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  font-family: var(--font-base);
  transition: background-color var(--transition), transform var(--transition);
}

.wpcf7-form input[type="submit"]:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-1px);
}

/* ============================================================
   PAGE HERO (inner pages)
   ============================================================ */
.page-hero {
  background-color: var(--color-hero-bg);
  color: var(--color-hero-text);
  padding: 3.5rem 1.5rem;
  text-align: center;
}

.page-hero h1 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 800;
  color: var(--color-hero-text);
  margin: 0;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background-color: var(--color-card-bg);
  border-top: 1px solid var(--color-border);
  padding: 2rem 1.5rem;
  text-align: center;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  transition: background-color var(--transition), border-color var(--transition);
}

/* ============================================================
   RESPONSIVE — 768px Tablet
   ============================================================ */
@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }

  .main-navigation .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: 1rem 0;
    flex-direction: column;
  }

  .main-navigation .nav-menu.is-open {
    display: flex;
  }

  .main-navigation .nav-menu li {
    width: 100%;
  }

  .main-navigation .nav-menu li a {
    display: block;
    padding: 0.75rem 1.5rem;
    border-bottom: 1px solid var(--color-border);
  }

  .portfolio-hero {
    padding: 4rem 1rem;
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

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

  .nav-utilities {
    margin: 0;
    padding: 0.75rem 1.5rem;
    border-top: 1px solid var(--color-border);
  }
}

/* ============================================================
   RESPONSIVE — 480px Mobile
   ============================================================ */
@media (max-width: 480px) {
  .services-grid {
    grid-template-columns: 1fr;
  }

  .services-grid .service-card {
    grid-column: span 1;
  }
  .services-grid .service-card:nth-child(4),
  .services-grid .service-card:nth-child(5) {
    grid-column: auto;
  }

  .portfolio-hero h1 {
    font-size: 2rem;
  }

  .hero-cta-group {
    flex-direction: column;
    align-items: center;
  }

  .service-block {
    padding: 1.5rem;
  }

  .portfolio-section {
    padding: 3rem 1rem;
  }
}

/* Home template (EN + VI): sections là direct child của flex .site-content → force block */
.page-template-page-home-php .site-content,
.page-template-page-home-vi-php .site-content {
  display: block !important;
}

/* ============================================================
   SITE BRANDING — Logo + Title cùng hiện
   ============================================================ */
.site-branding {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

/* GeneratePress ẩn site-title khi có logo — override lại */
.site-branding .site-title {
  display: block !important;
  margin: 0;
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1;
}

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

.site-logo a {
  display: flex;
  align-items: center;
}

.site-logo img.header-image,
.site-logo img.is-logo-image {
  width: 50px !important;
  height: 50px !important;
  max-width: 50px !important;
  max-height: 50px !important;
  object-fit: contain;
  display: block;
}
}