/* =============================================
   NERHOR - ĐÈN SÂN KHẤU HCM
   Design System v1.0
   ============================================= */

/* --- Google Font --- */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

/* --- CSS Custom Properties (Design Tokens) --- */
:root {
  /* Base Colors */
  --bg-primary: #07070d;
  --bg-secondary: #0d0d18;
  --bg-card: rgba(255,255,255,0.03);
  --bg-card-hover: rgba(255,255,255,0.06);
  --bg-glass: rgba(255,255,255,0.05);
  --border-glass: rgba(255,255,255,0.08);

  --text-primary: #f0f0f5;
  --text-secondary: #a0a0b8;
  --text-muted: #6a6a80;
  --text-price: #ff4444;

  /* Accent Colors (overridden per category page) */
  --accent: #00f3ff;
  --accent-rgb: 0,243,255;
  --accent-dim: rgba(0,243,255,0.15);
  --accent-glow: 0 0 20px rgba(0,243,255,0.3);

  /* Semantic Colors */
  --success: #00e676;
  --warning: #ffab00;
  --danger: #ff5252;
  --info: #448aff;

  /* Typography */
  --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --fs-hero: clamp(2rem, 5vw, 3.5rem);
  --fs-h1: clamp(1.75rem, 4vw, 2.75rem);
  --fs-h2: clamp(1.4rem, 3vw, 2rem);
  --fs-h3: clamp(1.1rem, 2.5vw, 1.5rem);
  --fs-body: 1rem;
  --fs-small: 0.875rem;
  --fs-xs: 0.75rem;
  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;
  --fw-extrabold: 800;
  --lh-tight: 1.2;
  --lh-normal: 1.6;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Layout */
  --container-max: 1280px;
  --container-padding: 1.25rem;
  --header-height: 70px;
  --border-radius: 12px;
  --border-radius-sm: 8px;
  --border-radius-lg: 20px;
  --border-radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 30px rgba(var(--accent-rgb), 0.2);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-main);
  font-size: var(--fs-body);
  font-weight: var(--fw-regular);
  line-height: var(--lh-normal);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
  color: var(--text-primary);
}

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  line-height: var(--lh-tight);
  font-weight: var(--fw-bold);
  color: var(--text-primary);
}

h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }

.text-accent { color: var(--accent); }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-center { text-align: center; }
.text-gradient {
  background: linear-gradient(135deg, var(--accent), #fff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--space-4xl) 0;
  position: relative;
}

.section-sm {
  padding: var(--space-2xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section-header h2 {
  margin-bottom: var(--space-sm);
}

.section-header p {
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.section-divider {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), transparent);
  margin: var(--space-md) auto;
  border-radius: 2px;
}

/* Grid */
.grid {
  display: grid;
  gap: var(--space-lg);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }  /* 2 cột trên mobile */
}

@media (max-width: 480px) {
  .grid-2 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  /* grid-3 giữ nguyên 2 cột trên điện thoại nhỏ */
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

/* Flex utilities */
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

/* --- Header --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(7,7,13,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-glass);
  z-index: 1000;
  transition: background var(--transition-base);
}

.header.scrolled {
  background: rgba(7,7,13,0.95);
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 1.25rem;
  font-weight: var(--fw-extrabold);
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--accent), #7c3aed);
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-desktop a {
  color: var(--text-secondary);
  font-weight: var(--fw-medium);
  font-size: var(--fs-small);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-desktop a:hover,
.nav-desktop a.active {
  color: var(--accent);
}

.nav-desktop a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.header-phone {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--accent);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-small);
}

.header-phone svg {
  width: 18px;
  height: 18px;
  animation: pulse-phone 2s infinite;
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition-base);
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}
.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile nav */
.nav-mobile {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(7,7,13,0.98);
  backdrop-filter: blur(20px);
  padding: var(--space-xl);
  z-index: 999;
  overflow-y: auto;
}

.nav-mobile.active {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.nav-mobile a {
  display: block;
  padding: var(--space-md) 0;
  font-size: 1.1rem;
  font-weight: var(--fw-medium);
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-glass);
  transition: var(--transition-fast);
}

.nav-mobile a:hover,
.nav-mobile a.active {
  color: var(--accent);
  padding-left: var(--space-md);
}

@media (max-width: 768px) {
  .nav-desktop { display: none; }
  .menu-toggle { display: flex; }
  .header-phone .phone-text { display: none; }
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: var(--header-height);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, 
    rgba(7,7,13,0.3) 0%, 
    rgba(7,7,13,0.7) 60%, 
    var(--bg-primary) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-md);
  background: var(--accent-dim);
  border: 1px solid rgba(var(--accent-rgb), 0.3);
  border-radius: var(--border-radius-full);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--space-lg);
}

.hero h1 {
  font-size: var(--fs-hero);
  font-weight: var(--fw-extrabold);
  margin-bottom: var(--space-lg);
  line-height: 1.1;
}

.hero p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
  max-width: 540px;
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 14px 28px;
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-base);
  white-space: nowrap;
  text-decoration: none;
  border: none;
  cursor: pointer;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg-primary);
  box-shadow: 0 4px 15px rgba(var(--accent-rgb), 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(var(--accent-rgb), 0.4);
  color: var(--bg-primary);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-glass);
}

.btn-outline:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent);
  color: var(--accent);
}

.btn-ghost {
  background: var(--bg-glass);
  color: var(--text-primary);
  border: 1px solid var(--border-glass);
}

.btn-ghost:hover {
  background: var(--bg-card-hover);
  border-color: rgba(var(--accent-rgb), 0.3);
}

.btn-lg {
  padding: 16px 36px;
  font-size: var(--fs-body);
}

.btn-sm {
  padding: 10px 20px;
  font-size: var(--fs-xs);
}

.btn-icon {
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: var(--border-radius-sm);
}

/* --- Glass Card --- */
.glass-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--border-radius);
  padding: var(--space-xl);
  backdrop-filter: blur(10px);
  transition: all var(--transition-base);
}

.glass-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(var(--accent-rgb), 0.2);
  box-shadow: var(--shadow-glow);
  transform: translateY(-4px);
}

/* --- USP Bar --- */
.usp-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  padding: var(--space-2xl) 0;
}

.usp-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-sm);
  padding: var(--space-lg);
}

.usp-icon {
  width: 56px;
  height: 56px;
  background: var(--accent-dim);
  border: 1px solid rgba(var(--accent-rgb), 0.2);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: var(--space-xs);
  transition: var(--transition-base);
}

.usp-item:hover .usp-icon {
  background: rgba(var(--accent-rgb), 0.2);
  box-shadow: var(--accent-glow);
  transform: scale(1.1);
}

.usp-item h4 {
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
}

.usp-item p {
  font-size: var(--fs-xs);
  color: var(--text-muted);
}

@media (max-width: 768px) {
  .usp-bar { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .usp-bar { grid-template-columns: 1fr; }
}

/* --- Category Cards (Homepage) --- */
.category-card {
  position: relative;
  border-radius: var(--border-radius);
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
  group: true;
}

.category-card-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform var(--transition-slow);
}

.category-card:hover .category-card-bg {
  transform: scale(1.08);
}

.category-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(7,7,13,0.9) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-xl);
  transition: var(--transition-base);
}

.category-card:hover .category-card-overlay {
  background: linear-gradient(180deg, transparent 20%, rgba(7,7,13,0.95) 100%);
}

.category-card h3 {
  font-size: var(--fs-h3);
  margin-bottom: var(--space-xs);
  transition: var(--transition-fast);
}

.category-card:hover h3 {
  color: var(--accent);
}

.category-card p {
  font-size: var(--fs-small);
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
}

.category-card .btn {
  opacity: 0;
  transform: translateY(10px);
  transition: all var(--transition-base);
}

.category-card:hover .btn {
  opacity: 1;
  transform: translateY(0);
}

/* --- Forms --- */
.form-group {
  margin-bottom: var(--space-md);
}

.form-label {
  display: block;
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  color: var(--text-secondary);
  margin-bottom: var(--space-xs);
}

.form-input {
  width: 100%;
  padding: 14px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--border-radius-sm);
  color: var(--text-primary);
  font-size: var(--fs-body);
  transition: border-color var(--transition-fast);
  outline: none;
}

.form-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.1);
}

.form-input::placeholder {
  color: var(--text-muted);
}

textarea.form-input {
  min-height: 100px;
  resize: vertical;
}

/* --- Badges --- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  border-radius: var(--border-radius-full);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-new {
  background: rgba(0,230,118,0.15);
  color: var(--success);
}

.badge-hot {
  background: rgba(255,82,82,0.15);
  color: var(--danger);
}

.badge-sale {
  background: rgba(255,171,0,0.15);
  color: var(--warning);
}

/* --- Footer --- */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-glass);
  padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer h4 {
  font-size: var(--fs-body);
  margin-bottom: var(--space-lg);
  color: var(--text-primary);
}

.footer p, .footer li, .footer a {
  font-size: var(--fs-small);
  color: var(--text-secondary);
  line-height: 1.8;
}

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

.footer-brand p {
  margin-bottom: var(--space-md);
  max-width: 300px;
}

.footer-bottom {
  border-top: 1px solid var(--border-glass);
  padding-top: var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--fs-xs);
  color: var(--text-muted);
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }
}

/* --- Floating CTA (Zalo + Phone) --- */
.floating-cta {
  position: fixed;
  bottom: 90px;
  right: 20px;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  z-index: 900;
}

@media (max-width: 768px) {
  .floating-cta {
    bottom: 100px; /* Nâng cao hơn để không đè thanh giỏ hàng */
  }
}

.floating-btn {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: #fff;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  text-decoration: none;
}

.floating-btn:hover {
  transform: scale(1.1);
  color: #fff;
}

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

.floating-btn-phone {
  background: var(--success);
  animation: pulse-ring 2s ease-out infinite;
}

/* --- Modal / Overlay --- */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.8);
  backdrop-filter: blur(8px);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
}

.modal-overlay.active {
  display: flex;
}

.modal-content {
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  border-radius: var(--border-radius-lg);
  max-width: 800px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.1);
  border: none;
  border-radius: 50%;
  color: var(--text-primary);
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
  z-index: 10;
}

.modal-close:hover {
  background: rgba(255,82,82,0.3);
}

/* --- Scroll to Top --- */
.scroll-top {
  position: fixed;
  bottom: 90px;
  right: 20px;
  width: 44px;
  height: 44px;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: 50%;
  display: none;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  font-size: 1.2rem;
  cursor: pointer;
  z-index: 899;
  transition: var(--transition-base);
}

.scroll-top.visible {
  display: flex;
}

.scroll-top:hover {
  background: var(--accent);
  color: var(--bg-primary);
  border-color: var(--accent);
}

/* --- Utility --- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.mt-section { margin-top: var(--header-height); }

@media (max-width: 768px) {
  :root {
    --container-padding: 1rem;
    --space-4xl: 3.5rem;
  }
  .section {
    padding: var(--space-3xl) 0;
  }
  .hero {
    min-height: 80vh;
  }
}

/* ===== MOBILE NAVIGATION OVERLAY ===== */
#navMobile {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

#navMobile.active {
  display: block;
}

.nav-mobile-panel {
  position: absolute;
  top: 0; right: 0;
  width: min(290px, 82vw);
  height: 100%;
  background: #0a0a16;
  border-left: 1px solid rgba(0, 200, 255, 0.2);
  box-shadow: -10px 0 40px rgba(0,0,0,0.6);
  padding: 72px 0 24px;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform 0.32s cubic-bezier(0.4, 0, 0.2, 1);
}

#navMobile.active .nav-mobile-panel {
  transform: translateX(0);
}

.nav-mobile-panel a {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 15px 24px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: all 0.18s;
}

.nav-mobile-panel a:hover,
.nav-mobile-panel a.active {
  color: var(--accent);
  background: rgba(0, 200, 255, 0.07);
  padding-left: 32px;
}

.nav-icon {
  font-size: 18px;
  width: 22px;
  text-align: center;
  flex-shrink: 0;
}

.nav-mobile-footer {
  margin-top: auto;
  padding: 20px 20px 10px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.nav-mobile-footer a {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 8px !important;
  background: linear-gradient(135deg, var(--accent), #6c63ff) !important;
  color: #000 !important;
  border-radius: 10px !important;
  font-weight: 800 !important;
  padding: 14px 20px !important;
  border: none !important;
  text-decoration: none !important;
}

.nav-mobile-close {
  position: absolute;
  top: 18px; right: 16px;
  width: 34px; height: 34px;
  background: rgba(255,255,255,0.1);
  border: none;
  border-radius: 50%;
  color: #fff;
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.nav-mobile-close:hover {
  background: rgba(255, 60, 60, 0.35);
}

/* Hamburger bar style dùng .bar */
.menu-toggle .bar {
  width: 22px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  transform-origin: center;
  display: block;
}

.menu-toggle.active .bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.active .bar:nth-child(2) { opacity: 0; transform: scaleX(0); }
.menu-toggle.active .bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Ẩn navMobile trên desktop */
@media (min-width: 769px) {
  #navMobile { display: none !important; }
}

/* =============================================
   SEARCH UI
   ============================================= */
.search-modal {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(10, 10, 12, 0.95);
  backdrop-filter: blur(10px);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  padding: 80px 20px 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.search-modal.active {
  opacity: 1;
  pointer-events: auto;
}
.search-modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 32px;
  cursor: pointer;
}
.search-input-wrapper {
  max-width: 800px;
  margin: 0 auto;
  width: 100%;
  position: relative;
}
.search-input-wrapper input {
  width: 100%;
  padding: 20px 20px 20px 60px;
  font-size: 20px;
  background: var(--bg-surface);
  border: 2px solid var(--border-glass);
  border-radius: 30px;
  color: #fff;
  outline: none;
  transition: border-color 0.3s ease;
}
.search-input-wrapper input:focus {
  border-color: var(--accent);
}
.search-input-wrapper svg {
  position: absolute;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  color: #888;
}
.search-results {
  max-width: 800px;
  margin: 20px auto 0;
  width: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  overflow: hidden;
  max-height: calc(100vh - 200px);
  overflow-y: auto;
  display: none;
}
.search-results.active {
  display: block;
}
.search-result-item {
  display: flex;
  align-items: center;
  padding: 15px;
  border-bottom: 1px solid var(--border-glass);
  cursor: pointer;
  transition: background 0.3s ease;
  text-decoration: none;
  color: inherit;
}
.search-result-item:hover {
  background: rgba(255,255,255,0.05);
}
.search-result-item:last-child {
  border-bottom: none;
}
.search-result-img {
  width: 60px;
  height: 60px;
  object-fit: cover;
  border-radius: 8px;
  margin-right: 15px;
}
.search-result-info h4 {
  margin: 0 0 5px;
  font-size: 16px;
}
.search-result-price {
  color: var(--accent);
  font-weight: bold;
}


/* =============================================
   DROPDOWN MENU
   ============================================= */
.nav-dropdown {
  position: relative;
  display: inline-block;
}
.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  background: rgba(10, 10, 15, 0.98);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass);
  border-radius: 8px;
  padding: 10px 0;
  display: flex;
  flex-direction: column;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.3s ease;
  z-index: 100;
  box-shadow: 0 10px 30px rgba(0,0,0,0.8);
}
.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nav-dropdown-menu a {
  padding: 10px 20px;
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  transition: background 0.3s ease, color 0.3s ease;
  border-bottom: none !important;
}
.nav-dropdown-menu a:hover,
.nav-dropdown-menu a.active {
  background: rgba(0, 243, 255, 0.1);
  color: var(--accent);
}