/* ==========================================================================
   LKA CONSTRUCTION - STYLESHEET
   Phong cách nhận diện: Đỏ Ruby & Vàng Ánh Kim (Hợp Mệnh Hỏa / Thổ - Thịnh Vượng)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&display=swap');

:root {
  --primary: #b91c1c;        /* Đỏ Ruby chủ đạo */
  --primary-dark: #991b1b;   /* Đỏ đô sẫm */
  --primary-light: #ef4444;  /* Đỏ tươi nổi bật */
  --primary-soft: #fef2f2;   /* Đỏ phớt làm nền nhẹ */
  
  --secondary: #f59e0b;      /* Vàng ánh kim Gold */
  --secondary-dark: #d97706; /* Vàng hổ phách */
  --secondary-soft: #fffbeb;
  
  --dark: #0f172a;           /* Xám than chì Slate 900 */
  --dark-light: #1e293b;     /* Slate 800 */
  --gray-600: #475569;
  --gray-500: #64748b;
  --gray-200: #e2e8f0;
  --gray-100: #f1f5f9;
  --gray-50: #f8fafc;
  --white: #ffffff;
  
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.15), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-primary: 0 10px 20px -5px rgba(185, 28, 28, 0.35);
  
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: #334155;
  background-color: var(--white);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

ul, ol {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  outline: none;
  border: none;
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

.section-py {
  padding-top: 80px;
  padding-bottom: 80px;
}

@media (max-width: 768px) {
  .section-py {
    padding-top: 50px;
    padding-bottom: 50px;
  }
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.section-title-wrap {
  margin-bottom: 45px;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 0.825rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
  border: 1px solid rgba(185, 28, 28, 0.2);
}

.section-badge.gold {
  background: var(--secondary-soft);
  color: var(--secondary-dark);
  border-color: rgba(217, 119, 6, 0.3);
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--dark);
  line-height: 1.25;
  margin-bottom: 14px;
}

.section-title span {
  color: var(--primary);
  position: relative;
}

.section-title span::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  opacity: 0.3;
  border-radius: 2px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--gray-600);
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 768px) {
  .section-title {
    font-size: 1.75rem;
  }
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 28px;
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    60deg,
    transparent 20%,
    rgba(255, 255, 255, 0.25) 25%,
    transparent 30%
  );
  transform: rotate(30deg) translate(-100%, -100%);
  transition: transform 0.65s ease;
  pointer-events: none;
}

.btn:hover::after {
  transform: rotate(30deg) translate(100%, 100%);
}

:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--white);
  box-shadow: var(--shadow-primary);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-dark), #7f1d1d);
  transform: translateY(-2px);
  box-shadow: 0 12px 24px -6px rgba(185, 28, 28, 0.5);
  color: var(--white);
}

.btn-secondary {
  background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
  color: var(--white);
  box-shadow: 0 10px 20px -5px rgba(245, 158, 11, 0.4);
}

.btn-secondary:hover {
  background: linear-gradient(135deg, var(--secondary-dark), #b45309);
  transform: translateY(-2px);
  box-shadow: 0 12px 24px -6px rgba(217, 119, 6, 0.5);
  color: var(--white);
}

.btn-outline-white {
  background: rgba(255, 255, 255, 0.12);
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(8px);
}

.btn-outline-white:hover {
  background: var(--white);
  color: var(--primary);
  border-color: var(--white);
  transform: translateY(-2px);
}

.btn-outline-primary {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-outline-primary:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.05rem;
}

/* ==========================================================================
   TOPBAR & HEADER
   ========================================================================== */
.topbar {
  background: var(--dark);
  color: #cbd5e1;
  font-size: 0.825rem;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.topbar-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.topbar-left, .topbar-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.topbar-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.topbar-item i {
  color: var(--secondary);
}

.topbar-highlight {
  color: #fca5a5;
  font-weight: 600;
}

@media (max-width: 991px) {
  .topbar { display: none; }
}

/* Main Navbar - UI UX Pro Max Glassmorphism */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  box-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.05);
  transition: var(--transition);
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 10px 30px -4px rgba(15, 23, 42, 0.1);
  border-bottom-color: rgba(185, 28, 28, 0.2);
}

.navbar-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

/* Logo */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  flex-shrink: 0;
}

.brand-img-logo {
  height: 56px;
  width: auto;
  object-fit: contain;
  transition: transform var(--transition-bounce);
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.08));
}

.brand-logo:hover .brand-img-logo {
  transform: scale(1.06);
}

.footer-logo-card {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  background: #ffffff;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.25);
  margin-bottom: 22px;
  transition: transform var(--transition), box-shadow var(--transition);
  text-decoration: none;
}

.footer-logo-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.35);
}

.footer-logo-card .footer-brand-img {
  height: 50px;
  width: auto;
  object-fit: contain;
}

.footer-logo-card .footer-brand-text {
  border-left: 2px solid #e2e8f0;
  padding-left: 12px;
}

.footer-logo-card .footer-brand-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--dark);
  line-height: 1.1;
  display: block;
}

.footer-logo-card .footer-brand-title span {
  color: var(--primary);
}

.footer-logo-card .footer-brand-sub {
  font-size: 0.7rem;
  color: #64748b;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: block;
  margin-top: 2px;
}

.logo-badge {
  width: 50px;
  height: 50px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.5rem;
  box-shadow: var(--shadow-primary);
  position: relative;
  overflow: hidden;
}

.logo-badge::after {
  content: '';
  position: absolute;
  top: -10px;
  right: -10px;
  width: 25px;
  height: 25px;
  background: var(--secondary);
  border-radius: 50%;
  opacity: 0.6;
}

.brand-text {
  white-space: nowrap;
  flex-shrink: 0;
}

.brand-text h1, .brand-text span.brand-name {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--dark);
  line-height: 1.1;
  display: block;
}

.brand-text h1 span, .brand-text span.brand-name span {
  color: var(--primary);
}

.brand-text small {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--secondary);
  display: block;
  margin-top: 1px;
}

.site-header .container {
  max-width: 1360px;
}

/* Nav Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: #334155;
  padding: 8px 14px;
  border-radius: 8px;
  transition: all 0.2s ease;
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap !important;
  text-decoration: none;
  flex-shrink: 0;
}

.nav-link:hover {
  color: var(--primary);
  background-color: rgba(185, 28, 28, 0.05);
}

.nav-link.active {
  color: var(--primary);
  font-weight: 700;
  background-color: rgba(185, 28, 28, 0.07);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 12px;
  right: 12px;
  height: 3px;
  background-color: var(--primary);
  border-radius: 3px 3px 0 0;
}

/* Calculator Nav Pill */
.nav-link-calc {
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.25);
  color: #92400e !important;
}

.nav-link-calc:hover, .nav-link-calc.active {
  background: rgba(245, 158, 11, 0.16) !important;
  color: #b45309 !important;
  border-color: rgba(245, 158, 11, 0.45);
}

.nav-badge-hot {
  font-size: 0.65rem;
  font-weight: 800;
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #ffffff;
  padding: 1px 6px;
  border-radius: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: 0 2px 6px rgba(245, 158, 11, 0.35);
}

/* Hotline Button Desktop */
.nav-hotline-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  height: 44px;
  padding: 0 16px;
  background: linear-gradient(135deg, #fff5f5 0%, #fef2f2 100%);
  border: 1.5px solid rgba(185, 28, 28, 0.22);
  border-radius: 9999px;
  text-decoration: none;
  transition: all 0.25s ease;
  flex-shrink: 0;
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(185, 28, 28, 0.06);
}

.nav-hotline-btn:hover {
  border-color: var(--primary);
  background: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(185, 28, 28, 0.15);
}

.nav-hotline-icon {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  box-shadow: 0 2px 8px rgba(185, 28, 28, 0.35);
  animation: pulse-ring 2s infinite;
  flex-shrink: 0;
}

.nav-hotline-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.nav-hotline-text small {
  font-size: 0.65rem;
  color: var(--gray-500);
  display: block;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.5px;
  line-height: 1.1;
  margin: 0;
}

.nav-hotline-text strong {
  font-size: 0.95rem;
  color: var(--primary);
  font-weight: 800;
  letter-spacing: 0.2px;
  white-space: nowrap;
  line-height: 1.2;
  margin: 0;
}

@media (min-width: 1025px) and (max-width: 1280px) {
  .site-header .container {
    padding-left: 12px;
    padding-right: 12px;
  }
  .nav-menu {
    gap: 2px;
  }
  .nav-link {
    font-size: 0.88rem;
    padding: 7px 9px;
  }
  .brand-text h1, .brand-text span.brand-name {
    font-size: 1.15rem;
  }
  .brand-text small {
    font-size: 0.65rem;
  }
  .nav-hotline-btn {
    padding: 6px 12px;
    gap: 8px;
  }
  .nav-hotline-text strong {
    font-size: 0.88rem;
  }
}

/* Mobile Toggle */
.mobile-toggle-btn {
  display: none;
  background: var(--gray-100);
  width: 44px;
  height: 44px;
  border-radius: var(--radius);
  font-size: 1.25rem;
  color: var(--dark);
  cursor: pointer;
}

@media (max-width: 1024px) {
  .mobile-toggle-btn { display: flex; align-items: center; justify-content: center; }
  .nav-menu { display: none; }
  .nav-hotline-btn { display: none; }
}

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  left: -320px;
  width: 300px;
  height: 100vh;
  background: var(--white);
  z-index: 2000;
  box-shadow: var(--shadow-xl);
  transition: left 0.35s ease;
  display: flex;
  flex-direction: column;
  padding: 24px;
}

.mobile-drawer.open {
  left: 0;
}

.mobile-drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1999;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.mobile-drawer-overlay.open {
  opacity: 1;
  visibility: visible;
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--gray-200);
}

.drawer-close {
  background: var(--gray-100);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 1.1rem;
  cursor: pointer;
}

.drawer-links {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.drawer-link {
  font-size: 1rem;
  font-weight: 600;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--dark);
}

.drawer-link i {
  color: var(--primary);
  width: 20px;
}

.drawer-link.active, .drawer-link:hover {
  background: var(--primary-soft);
  color: var(--primary);
}

.drawer-footer {
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid var(--gray-200);
}

/* ==========================================================================
   HERO BANNER
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  background-color: var(--dark);
  background-image: linear-gradient(135deg, rgba(15, 23, 42, 0.92) 0%, rgba(185, 28, 28, 0.75) 100%), url('../images/hero_construction.jpg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  color: var(--white);
  padding: 80px 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 50px;
  align-items: center;
}

@media (max-width: 991px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(245, 158, 11, 0.2);
  border: 1px solid var(--secondary);
  color: #fef08a;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: 20px;
  backdrop-filter: blur(4px);
}

.hero-title {
  font-size: 3.4rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
}

.hero-title span {
  color: var(--secondary);
}

.hero-subtitle {
  font-size: 1.15rem;
  color: #e2e8f0;
  line-height: 1.7;
  margin-bottom: 35px;
  max-width: 620px;
}

@media (max-width: 991px) {
  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.2rem;
  }
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

@media (max-width: 991px) {
  .hero-actions {
    justify-content: center;
  }
}

.hero-guarantee {
  display: flex;
  align-items: center;
  gap: 25px;
  margin-top: 40px;
  padding-top: 25px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

@media (max-width: 991px) {
  .hero-guarantee {
    justify-content: center;
    flex-wrap: wrap;
  }
}

.guarantee-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  color: #f8fafc;
}

.guarantee-item i {
  color: var(--secondary);
  font-size: 1.1rem;
}

/* Hero Quick Lead Box */
.hero-card-form {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 35px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.35);
  color: var(--dark);
  border: 3px solid rgba(245, 158, 11, 0.3);
}

.hero-card-form h3 {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 6px;
}

.hero-card-form p {
  font-size: 0.875rem;
  color: var(--gray-500);
  margin-bottom: 22px;
}

/* Form Styles */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  color: var(--dark);
  transition: var(--transition);
}

.form-control:focus {
  background: var(--white);
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(185, 28, 28, 0.15);
}

select.form-control {
  cursor: pointer;
}

/* ==========================================================================
   STATS COUNTERS BAR
   ========================================================================== */
.stats-bar {
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-light) 100%);
  color: var(--white);
  padding: 45px 0;
  margin-top: -30px;
  position: relative;
  z-index: 10;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  border-bottom: 4px solid var(--primary);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  text-align: center;
}

@media (max-width: 991px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
  }
}

@media (max-width: 576px) {
  .stats-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

.stat-box {
  padding: 10px;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-box:last-child {
  border-right: none;
}

.stat-number {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--secondary);
  line-height: 1;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 4px;
}

.stat-sub {
  font-size: 0.8rem;
  color: #94a3b8;
}

/* ==========================================================================
   SERVICES SECTION
   ========================================================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

@media (max-width: 991px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .services-grid {
    grid-template-columns: 1fr;
  }
}

.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 35px 28px;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(185, 28, 28, 0.3);
}

.service-card.featured {
  border: 2px solid var(--primary);
  background: linear-gradient(180deg, #fff 0%, #fffbfb 100%);
}

.service-card-badge {
  position: absolute;
  top: -12px;
  right: 24px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
}

.service-icon {
  width: 65px;
  height: 65px;
  border-radius: var(--radius);
  background: var(--primary-soft);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 22px;
  transition: var(--transition);
}

.service-card:hover .service-icon {
  background: var(--primary);
  color: var(--white);
  transform: scale(1.08) rotate(3deg);
}

.service-title {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 12px;
  line-height: 1.3;
}

.service-desc {
  font-size: 0.925rem;
  color: var(--gray-600);
  margin-bottom: 20px;
  line-height: 1.6;
}

.service-price-box {
  background: var(--gray-50);
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

.service-price-box span {
  font-size: 0.8rem;
  color: var(--gray-500);
  font-weight: 600;
}

.service-price-box strong {
  font-size: 1.1rem;
  color: var(--primary);
  font-weight: 800;
}

.service-features {
  margin-bottom: 25px;
  flex-grow: 1;
}

.service-features li {
  font-size: 0.875rem;
  color: var(--gray-600);
  margin-bottom: 10px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.service-features li i {
  color: var(--primary);
  margin-top: 4px;
  flex-shrink: 0;
}

/* ==========================================================================
   CONSTRUCTION COST CALCULATOR (KILLER FEATURE)
   ========================================================================== */
.calc-section {
  background: linear-gradient(135deg, #1e1e24 0%, #0f172a 100%);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.calc-section::before {
  content: '';
  position: absolute;
  top: -150px;
  right: -150px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(185, 28, 28, 0.25) 0%, transparent 70%);
  pointer-events: none;
}

.calc-box {
  background: var(--white);
  border-radius: var(--radius-lg);
  color: var(--dark);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.4);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
}

@media (max-width: 991px) {
  .calc-box {
    grid-template-columns: 1fr;
  }
}

.calc-inputs {
  padding: 40px;
}

.calc-results {
  background: linear-gradient(180deg, #fafafa 0%, #f1f5f9 100%);
  padding: 40px;
  border-left: 1px solid var(--gray-200);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.calc-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

@media (max-width: 576px) {
  .calc-row-2 {
    grid-template-columns: 1fr;
  }
}

.calc-result-summary {
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px;
  border: 2px solid rgba(185, 28, 28, 0.15);
  box-shadow: var(--shadow);
  margin-bottom: 24px;
}

.calc-res-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px dashed var(--gray-200);
  font-size: 0.9rem;
}

.calc-res-item:last-child {
  border-bottom: none;
}

.calc-res-item strong {
  color: var(--dark);
}

.calc-total-box {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--white);
  padding: 20px;
  border-radius: var(--radius);
  text-align: center;
  margin-bottom: 20px;
  box-shadow: var(--shadow-primary);
}

.calc-total-box small {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  opacity: 0.9;
  display: block;
  margin-bottom: 4px;
}

.calc-total-box .total-price {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--secondary);
  line-height: 1.1;
}

/* ==========================================================================
   PORTFOLIO & PROJECTS
   ========================================================================== */
.project-filters {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 35px;
}

.filter-btn {
  padding: 10px 22px;
  border-radius: var(--radius-full);
  background: var(--gray-100);
  color: var(--gray-600);
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
}

.filter-btn:hover, .filter-btn.active {
  background: var(--primary);
  color: var(--white);
  box-shadow: var(--shadow-primary);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

@media (max-width: 991px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .projects-grid {
    grid-template-columns: 1fr;
  }
}

.project-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid var(--gray-200);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.project-thumb {
  position: relative;
  overflow: hidden;
  height: 250px;
}

.project-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.project-card:hover .project-thumb img {
  transform: scale(1.08);
}

.project-cat-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(185, 28, 28, 0.9);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  backdrop-filter: blur(4px);
}

.project-info {
  padding: 24px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.project-location {
  font-size: 0.8rem;
  color: var(--gray-500);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.project-location i {
  color: var(--primary);
}

.project-card-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--dark);
  line-height: 1.35;
  margin-bottom: 12px;
}

.project-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding: 12px 0;
  border-top: 1px solid var(--gray-100);
  border-bottom: 1px solid var(--gray-100);
  margin-bottom: 16px;
  font-size: 0.825rem;
  color: var(--gray-600);
}

.project-specs strong {
  color: var(--dark);
}

/* ==========================================================================
   WORKFLOW (6 BƯỚC THI CÔNG)
   ========================================================================== */
.workflow-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
  position: relative;
}

@media (max-width: 1200px) {
  .workflow-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
  }
}

@media (max-width: 640px) {
  .workflow-grid {
    grid-template-columns: 1fr;
  }
}

.step-card {
  background: var(--white);
  padding: 28px 20px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
  text-align: center;
  transition: var(--transition);
  position: relative;
}

.step-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.step-number {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--white);
  border-radius: 50%;
  font-size: 0.85rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-primary);
}

.step-icon {
  width: 55px;
  height: 55px;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin: 10px auto 16px;
}

.step-title {
  font-size: 1rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 8px;
}

.step-desc {
  font-size: 0.825rem;
  color: var(--gray-600);
  line-height: 1.5;
}

/* ==========================================================================
   WHY CHOOSE US / CAM KẾT VÀNG
   ========================================================================== */
.commitments-section {
  background: var(--gray-50);
}

.commitments-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

@media (max-width: 991px) {
  .commitments-grid {
    grid-template-columns: 1fr;
  }
}

.commitment-img-wrap {
  position: relative;
}

.commitment-img-wrap img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
}

.commitment-badge-floating {
  position: absolute;
  bottom: -20px;
  right: 20px;
  background: var(--white);
  padding: 18px 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-xl);
  border-left: 5px solid var(--primary);
  display: flex;
  align-items: center;
  gap: 16px;
}

.commitment-badge-floating i {
  font-size: 2rem;
  color: var(--secondary);
}

.commitment-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.commitment-item {
  display: flex;
  gap: 18px;
}

.commitment-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.commitment-text h4 {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 4px;
}

.commitment-text p {
  font-size: 0.9rem;
  color: var(--gray-600);
  line-height: 1.55;
}

/* ==========================================================================
   TESTIMONIALS & FEEDBACK
   ========================================================================== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

@media (max-width: 991px) {
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
}

.testi-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 35px 28px;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  position: relative;
}

.testi-stars {
  color: var(--secondary);
  font-size: 1rem;
  margin-bottom: 16px;
}

.testi-quote {
  font-size: 0.95rem;
  color: var(--gray-600);
  font-style: italic;
  line-height: 1.65;
  margin-bottom: 24px;
  flex-grow: 1;
}

.testi-author {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 16px;
  border-top: 1px solid var(--gray-100);
}

.testi-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--primary);
}

.testi-author-info h5 {
  font-size: 1rem;
  font-weight: 800;
  color: var(--dark);
}

.testi-author-info small {
  font-size: 0.8rem;
  color: var(--gray-500);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background: #090e1a;
  color: #94a3b8;
  padding-top: 70px;
  border-top: 5px solid var(--primary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.9fr 0.9fr 1.2fr;
  gap: 40px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

@media (max-width: 991px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-col h4 {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 36px;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
}

.footer-col p {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 16px;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  font-size: 0.9rem;
  color: #94a3b8;
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-links a:hover {
  color: var(--secondary);
  padding-left: 5px;
}

.footer-links a i {
  color: var(--primary);
  font-size: 0.75rem;
}

.footer-contact-item {
  display: flex;
  gap: 12px;
  margin-bottom: 14px;
  font-size: 0.9rem;
}

.footer-contact-item i {
  color: var(--secondary);
  margin-top: 4px;
}

.footer-bottom {
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
}

@media (max-width: 768px) {
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 12px;
  }
}

/* ==========================================================================
   FLOATING QUICK ACTIONS (ZALO, HOTLINE, TO TOP)
   ========================================================================== */
.floating-actions {
  position: fixed;
  bottom: 30px;
  right: 25px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  z-index: 999;
}

.floating-btn {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.4rem;
  box-shadow: var(--shadow-xl);
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  position: relative;
}

.floating-btn.hotline {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  animation: pulse-ring 2s infinite;
}

.floating-btn.zalo {
  background: #0068ff;
}

.floating-btn.totop {
  background: var(--dark-light);
  opacity: 0;
  visibility: hidden;
  transform: translateY(15px);
}

.floating-btn.totop.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.floating-btn:hover {
  transform: scale(1.1);
  color: var(--white);
}

/* Modal Details */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(5px);
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal-container {
  background: var(--white);
  border-radius: var(--radius-lg);
  max-width: 800px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: var(--shadow-xl);
  padding: 35px;
}

.modal-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 36px;
  height: 36px;
  background: var(--gray-100);
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

/* Toast Notifications */
.toast-msg {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--dark);
  color: var(--white);
  padding: 14px 28px;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-xl);
  z-index: 4000;
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  font-size: 0.95rem;
  border-left: 4px solid var(--secondary);
  transition: transform 0.4s ease, opacity 0.4s ease;
  opacity: 0;
  pointer-events: none;
}

.toast-msg.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* ==========================================================================
   BLOG & CẨM NANG XÂY DỰNG
   ========================================================================== */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

@media (max-width: 991px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .blog-grid {
    grid-template-columns: 1fr;
  }
}

.blog-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(185, 28, 28, 0.3);
}

.blog-thumb {
  position: relative;
  height: 220px;
  overflow: hidden;
  background: var(--dark);
}

.blog-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.blog-card:hover .blog-thumb img {
  transform: scale(1.08);
}

.blog-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: var(--primary);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
  z-index: 2;
}

.blog-badge.gold {
  background: var(--secondary-dark);
}

.blog-content {
  padding: 24px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.blog-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.8rem;
  color: var(--gray-500);
  margin-bottom: 10px;
}

.blog-meta span {
  display: flex;
  align-items: center;
  gap: 5px;
}

.blog-meta i {
  color: var(--primary);
}

.blog-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--dark);
  line-height: 1.4;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-title a:hover {
  color: var(--primary);
}

.blog-summary {
  font-size: 0.875rem;
  color: var(--gray-600);
  line-height: 1.6;
  margin-bottom: 18px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex-grow: 1;
}

.blog-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--gray-100);
  font-size: 0.825rem;
}

.blog-author {
  font-weight: 600;
  color: var(--dark);
  display: flex;
  align-items: center;
  gap: 6px;
}

.blog-read-more {
  color: var(--primary);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.blog-read-more:hover {
  color: var(--primary-dark);
  transform: translateX(4px);
}

/* Featured Blog Hero Card */
.featured-blog-card {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-200);
  margin-bottom: 50px;
}

@media (max-width: 991px) {
  .featured-blog-card {
    grid-template-columns: 1fr;
  }
}

.featured-blog-img {
  height: 100%;
  min-height: 320px;
  position: relative;
}

.featured-blog-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.featured-blog-info {
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* Category Filter Pills */
.blog-category-filter {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.cat-pill {
  padding: 9px 20px;
  border-radius: var(--radius-full);
  background: var(--gray-100);
  color: var(--gray-600);
  font-size: 0.875rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
}

.cat-pill:hover, .cat-pill.active {
  background: var(--primary);
  color: var(--white);
  box-shadow: var(--shadow-primary);
}

/* Article Detail Page Layout */
.article-layout {
  display: grid;
  grid-template-columns: 2.2fr 1fr;
  gap: 40px;
  align-items: start;
}

@media (max-width: 991px) {
  .article-layout {
    grid-template-columns: 1fr;
  }
}

.article-main {
  background: var(--white);
  padding: 45px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
}

@media (max-width: 768px) {
  .article-main {
    padding: 24px;
  }
}

.article-header {
  margin-bottom: 30px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--gray-200);
}

.article-main-title {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--dark);
  line-height: 1.3;
  margin: 14px 0 16px;
}

@media (max-width: 768px) {
  .article-main-title {
    font-size: 1.6rem;
  }
}

.article-meta-bar {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 0.875rem;
  color: var(--gray-500);
}

.article-meta-bar span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.article-meta-bar i {
  color: var(--primary);
}

.article-lead {
  font-size: 1.15rem;
  font-weight: 600;
  color: #334155;
  line-height: 1.7;
  padding: 18px 24px;
  background: var(--primary-soft);
  border-left: 5px solid var(--primary);
  border-radius: var(--radius-sm);
  margin-bottom: 30px;
}

.article-body h3 {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--dark);
  margin: 32px 0 14px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--primary-soft);
}

.article-body p {
  font-size: 1.025rem;
  color: #334155;
  line-height: 1.8;
  margin-bottom: 20px;
}

.article-body strong {
  color: var(--dark);
}

/* Sidebar Styling */
.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 30px;
  position: sticky;
  top: 100px;
}

.sidebar-box {
  background: var(--white);
  padding: 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
}

.sidebar-box h4 {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}

.sidebar-box h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
}

.recent-post-item {
  display: flex;
  gap: 14px;
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--gray-100);
}

.recent-post-item:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.recent-post-thumb {
  width: 75px;
  height: 75px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
}

.recent-post-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.recent-post-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--dark);
  line-height: 1.4;
  margin-bottom: 4px;
}

.recent-post-title:hover {
  color: var(--primary);
}

.recent-post-date {
  font-size: 0.75rem;
  color: var(--gray-500);
}

/* Tags cloud */
.tags-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 30px;
  padding-top: 24px;
  border-top: 1px solid var(--gray-200);
}

.tag-pill {
  font-size: 0.8rem;
  padding: 5px 14px;
  background: var(--gray-100);
  color: var(--gray-600);
  border-radius: var(--radius-full);
  font-weight: 600;
  transition: var(--transition);
}

.tag-pill:hover {
  background: var(--primary);
  color: var(--white);
}

/* Author bio box */
.author-card {
  display: flex;
  align-items: center;
  gap: 18px;
  background: var(--gray-50);
  padding: 24px;
  border-radius: var(--radius);
  margin-top: 35px;
  border: 1px solid var(--gray-200);
}

.author-avatar {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  border: 3px solid var(--primary);
  object-fit: cover;
}