/*
 * Theme Name:  Sửa Chữa Xe Điện Tại Nhà
 * Theme URI:   https://suachuaxedientaiha.com
 * Description: Dịch vụ sửa xe máy điện & xe đạp điện tại nhà
 * Version:     1.0.0
 * Text Domain: scxdtn
 *
 * WordPress conversion notes:
 * - Move <header> content to header.php
 * - Move <footer> content to footer.php
 * - Page-body classes (.page-home, .page-services, etc.) map to body_class()
 * - Replace static content with WP template tags / ACF fields
 */

/* =====================================================
   01. DESIGN TOKENS
   ===================================================== */
:root {
  /* Colors */
  --clr-bg:         #0C0C0E;
  --clr-surface:    #141418;
  --clr-surface-2:  #1E1E26;
  --clr-border:     #2A2A38;
  --clr-accent:     #F59E0B;   /* amber — primary brand */
  --clr-accent-d:   #D97706;   /* amber dark — hover */
  --clr-electric:   #06B6D4;   /* cyan — secondary/tech */
  --clr-eco:        #16A34A;   /* green — CTA */
  --clr-eco-d:      #15803D;
  --clr-shopee:     #EE4D2D;
  --clr-zalo:       #0068FF;
  --clr-text:       #F9FAFB;
  --clr-muted:      #9CA3AF;
  --clr-dim:        #52525B;

  /* Typography */
  --ff-head: 'Barlow Condensed', sans-serif;
  --ff-body: 'Inter', sans-serif;
  --fs-base: 16px;
  --lh-body: 1.65;

  /* Spacing */
  --section-py:    100px;
  --container-max: 1200px;
  --container-px:  24px;
  --gap-card:      20px;
  --radius:        8px;
  --radius-lg:     14px;

  /* Transitions */
  --ease: 0.25s ease;
  --ease-slow: 0.45s ease;
}

/* =====================================================
   02. RESET & BASE
   ===================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  font-size: var(--fs-base);
}
body {
  background: var(--clr-bg);
  color: var(--clr-text);
  font-family: var(--ff-body);
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: var(--ff-body); }
ul, ol { list-style: none; }
input, textarea, select {
  font-family: var(--ff-body);
  font-size: 1rem;
  outline: none;
}

/* =====================================================
   03. LAYOUT UTILITIES
   ===================================================== */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-px);
}
.section { padding-block: var(--section-py); }
.section--surface { background: var(--clr-surface); }
.section--border {
  border-top: 1px solid var(--clr-border);
  border-bottom: 1px solid var(--clr-border);
}
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap-card); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap-card); }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.text-center { text-align: center; }
.mt-4 { margin-top: 16px; }
.mt-8 { margin-top: 32px; }
.mt-12 { margin-top: 48px; }
.mb-4 { margin-bottom: 16px; }
.mb-8 { margin-bottom: 32px; }
.mb-12 { margin-bottom: 48px; }
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* =====================================================
   04. TYPOGRAPHY
   ===================================================== */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--ff-head);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: 14px;
}
.section-label::before {
  content: '';
  display: block;
  width: 28px;
  height: 2px;
  background: var(--clr-accent);
  flex-shrink: 0;
}
.section-title {
  font-family: var(--ff-head);
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  color: var(--clr-text);
}
.section-title em,
.section-title span.accent { color: var(--clr-accent); font-style: normal; }
.section-lead {
  font-size: 16px;
  color: var(--clr-muted);
  line-height: 1.7;
  max-width: 520px;
  margin-top: 16px;
}
.section-head {
  margin-bottom: 48px;
}
.section-head--between {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

/* =====================================================
   05. BUTTONS
   ===================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-family: var(--ff-head);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1.5px solid transparent;
  transition: transform var(--ease), box-shadow var(--ease), background var(--ease),
              border-color var(--ease), color var(--ease);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--clr-eco);
  color: #fff;
}
.btn-primary:hover {
  background: var(--clr-eco-d);
  box-shadow: 0 8px 24px rgba(22,163,74,0.3);
}
.btn-accent {
  background: var(--clr-accent);
  color: var(--clr-bg);
}
.btn-accent:hover {
  background: var(--clr-accent-d);
  box-shadow: 0 8px 24px rgba(245,158,11,0.3);
}
.btn-outline {
  background: transparent;
  color: var(--clr-text);
  border-color: var(--clr-border);
}
.btn-outline:hover {
  border-color: var(--clr-accent);
  color: var(--clr-accent);
}
.btn-zalo {
  background: var(--clr-zalo);
  color: #fff;
  border-color: transparent;
}
.btn-zalo:hover {
  background: #0055D4;
  box-shadow: 0 8px 24px rgba(0,104,255,0.3);
}
.btn-ghost {
  background: transparent;
  color: var(--clr-accent);
  border-color: rgba(245,158,11,0.3);
}
.btn-ghost:hover {
  background: rgba(245,158,11,0.08);
  border-color: var(--clr-accent);
}
.btn-sm { padding: 10px 20px; font-size: 12px; }
.btn-lg { padding: 18px 40px; font-size: 16px; }
.btn-full { width: 100%; }

/* =====================================================
   06. BADGES & TAGS
   ===================================================== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 4px;
  font-family: var(--ff-head);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.badge-electric {
  background: rgba(6,182,212,0.12);
  color: var(--clr-electric);
  border: 1px solid rgba(6,182,212,0.2);
}
.badge-amber {
  background: rgba(245,158,11,0.12);
  color: var(--clr-accent);
  border: 1px solid rgba(245,158,11,0.2);
}
.badge-eco {
  background: rgba(22,163,74,0.12);
  color: var(--clr-eco);
  border: 1px solid rgba(22,163,74,0.2);
}
.badge-shopee {
  background: var(--clr-shopee);
  color: #fff;
}
.tag {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: rgba(6,182,212,0.12);
  color: var(--clr-electric);
  border: 1px solid rgba(6,182,212,0.2);
}

/* =====================================================
   07. HEADER
   ===================================================== */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1000;
  background: rgba(12,12,14,0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--clr-border);
  transition: box-shadow var(--ease), background var(--ease);
}
.site-header.scrolled {
  background: rgba(12,12,14,0.98);
  box-shadow: 0 4px 32px rgba(0,0,0,0.5);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--clr-accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 800;
  color: var(--clr-bg);
  font-family: var(--ff-head);
  flex-shrink: 0;
}
.logo-name {
  font-family: var(--ff-head);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  line-height: 1.1;
  color: var(--clr-text);
}
.logo-name .accent { color: var(--clr-accent); }
.logo-tagline {
  font-size: 9px;
  font-family: var(--ff-head);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-dim);
}

/* Nav */
.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.site-nav a {
  padding: 8px 14px;
  border-radius: 6px;
  font-family: var(--ff-head);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--clr-muted);
  transition: color var(--ease), background var(--ease);
}
.site-nav a:hover,
.site-nav a.active {
  color: var(--clr-text);
  background: var(--clr-surface-2);
}
.site-nav a.active { color: var(--clr-accent); }

/* Header actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 4px;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: 6px;
}
.hamburger span {
  display: block;
  height: 2px;
  background: var(--clr-text);
  border-radius: 2px;
  transition: var(--ease);
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Mobile nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: 70px; left: 0; right: 0;
  background: var(--clr-surface);
  border-bottom: 1px solid var(--clr-border);
  padding: 16px var(--container-px) 24px;
  flex-direction: column;
  gap: 2px;
  z-index: 999;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  padding: 12px 16px;
  border-radius: 6px;
  font-family: var(--ff-head);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--clr-muted);
  border-bottom: 1px solid var(--clr-border);
  transition: color var(--ease), background var(--ease);
}
.mobile-nav a:last-child { border-bottom: none; }
.mobile-nav a:hover { color: var(--clr-accent); background: var(--clr-surface-2); }
.mobile-nav .btn { margin-top: 12px; text-align: center; }

/* =====================================================
   08. FOOTER
   ===================================================== */
.site-footer {
  background: var(--clr-surface);
  border-top: 1px solid var(--clr-border);
}
.footer-main {
  padding-block: 72px 64px;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
}
.footer-brand p {
  font-size: 14px;
  color: var(--clr-muted);
  line-height: 1.7;
  margin-top: 16px;
  max-width: 260px;
}
.footer-socials {
  display: flex;
  gap: 8px;
  margin-top: 24px;
}
.social-btn {
  width: 36px;
  height: 36px;
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  transition: border-color var(--ease), background var(--ease);
}
.social-btn:hover {
  border-color: var(--clr-accent);
  background: rgba(245,158,11,0.08);
}
.footer-col h5 {
  font-family: var(--ff-head);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-muted);
  margin-bottom: 20px;
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 9px;
}
.footer-col ul li a {
  font-size: 14px;
  color: var(--clr-muted);
  transition: color var(--ease);
  display: flex;
  align-items: center;
  gap: 6px;
}
.footer-col ul li a:hover { color: var(--clr-text); }
.footer-contact-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--clr-muted);
  margin-bottom: 12px;
}
.footer-contact-row .icon { color: var(--clr-accent); flex-shrink: 0; margin-top: 2px; }
.footer-contact-row strong { color: var(--clr-text); display: block; }
.footer-bottom {
  border-top: 1px solid var(--clr-border);
  padding-block: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-bottom p {
  font-size: 13px;
  color: var(--clr-dim);
}
.footer-bottom a { color: var(--clr-dim); transition: color var(--ease); }
.footer-bottom a:hover { color: var(--clr-muted); }
.footer-affiliate-note {
  font-size: 12px;
  color: var(--clr-dim);
  margin-top: 4px;
}

/* =====================================================
   09. HERO (Homepage)
   ===================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 70px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(110deg,
      rgba(12,12,14,0.98) 0%,
      rgba(12,12,14,0.85) 50%,
      rgba(12,12,14,0.60) 100%),
    radial-gradient(ellipse 80% 60% at 65% 50%, rgba(245,158,11,0.07) 0%, transparent 70%),
    radial-gradient(ellipse 60% 50% at 5% 90%, rgba(6,182,212,0.05) 0%, transparent 60%);
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--clr-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--clr-border) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.15;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border: 1px solid rgba(245,158,11,0.3);
  border-radius: 100px;
  font-family: var(--ff-head);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: 28px;
}
.hero-eyebrow::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--clr-accent);
  border-radius: 50%;
  flex-shrink: 0;
}
.hero-title {
  font-family: var(--ff-head);
  font-size: clamp(56px, 9vw, 100px);
  font-weight: 800;
  line-height: 0.98;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--clr-text);
  margin-bottom: 24px;
}
.hero-title .accent { color: var(--clr-accent); }
.hero-sub {
  font-size: 17px;
  color: var(--clr-muted);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 500px;
}
.hero-sub strong { color: var(--clr-text); font-weight: 500; }
.hero-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 52px;
}
.hero-trust {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0;
}
.hero-trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 20px;
  font-size: 13px;
  font-weight: 500;
  color: var(--clr-muted);
  border-right: 1px solid var(--clr-border);
}
.hero-trust-item:first-child { padding-left: 0; }
.hero-trust-item:last-child { border-right: none; }
.hero-trust-item .check { color: var(--clr-eco); font-weight: 700; }
/* Right side stat cards */
.hero-stats {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-right: var(--container-px);
}
.hero-stat-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  text-align: center;
  min-width: 136px;
  position: relative;
  overflow: hidden;
}
.hero-stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--clr-accent);
}
.hero-stat-num {
  font-family: var(--ff-head);
  font-size: 42px;
  font-weight: 800;
  color: var(--clr-accent);
  line-height: 1;
}
.hero-stat-label {
  font-size: 12px;
  color: var(--clr-muted);
  margin-top: 4px;
}

/* =====================================================
   10. PAGE HERO (inner pages)
   ===================================================== */
.page-hero {
  position: relative;
  padding-top: calc(70px + 72px);
  padding-bottom: 72px;
  overflow: hidden;
}
.page-hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(12,12,14,0) 0%, rgba(12,12,14,0.6) 100%),
    radial-gradient(ellipse 70% 80% at 0% 100%, rgba(245,158,11,0.06) 0%, transparent 60%);
  border-bottom: 1px solid var(--clr-border);
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero-label { margin-bottom: 12px; }
.page-hero-title {
  font-family: var(--ff-head);
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}
.page-hero-title .accent { color: var(--clr-accent); }
.page-hero-sub {
  font-size: 16px;
  color: var(--clr-muted);
  line-height: 1.7;
  max-width: 560px;
  margin-top: 14px;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--clr-dim);
  margin-top: 28px;
}
.breadcrumb a { color: var(--clr-muted); transition: color var(--ease); }
.breadcrumb a:hover { color: var(--clr-accent); }
.breadcrumb span { color: var(--clr-accent); }

/* =====================================================
   11. FEATURES STRIP
   ===================================================== */
.features-strip {
  padding-block: 72px;
  background: var(--clr-surface);
  border-top: 1px solid var(--clr-border);
  border-bottom: 1px solid var(--clr-border);
}
.features-strip .grid-3 { gap: 0; }
.feature-item {
  padding: 36px 44px;
  border-right: 1px solid var(--clr-border);
  transition: background var(--ease);
}
.feature-item:last-child { border-right: none; }
.feature-item:hover { background: var(--clr-surface-2); }
.feature-icon {
  width: 52px; height: 52px;
  background: rgba(245,158,11,0.08);
  border: 1px solid rgba(245,158,11,0.15);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 18px;
  transition: border-color var(--ease), background var(--ease);
}
.feature-item:hover .feature-icon {
  background: rgba(245,158,11,0.15);
  border-color: var(--clr-accent);
}
.feature-title {
  font-family: var(--ff-head);
  font-size: 18px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: 8px;
}
.feature-desc {
  font-size: 14px;
  color: var(--clr-muted);
  line-height: 1.6;
}

/* =====================================================
   12. SERVICE CARDS
   ===================================================== */
.services-tabs {
  display: flex;
  gap: 4px;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 4px;
}
.tab-btn {
  padding: 9px 18px;
  border-radius: 6px;
  font-family: var(--ff-head);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--clr-muted);
  background: transparent;
  border: none;
  transition: background var(--ease), color var(--ease);
}
.tab-btn.active, .tab-btn:hover {
  background: var(--clr-accent);
  color: var(--clr-bg);
}
.service-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 30px;
  position: relative;
  overflow: hidden;
  transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--clr-border);
  transition: background var(--ease);
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 48px rgba(0,0,0,0.4), 0 0 0 1px rgba(245,158,11,0.15);
  border-color: rgba(245,158,11,0.15);
}
.service-card:hover::before { background: var(--clr-accent); }
.service-card-icon { font-size: 28px; margin-bottom: 14px; }
.service-card-title {
  font-family: var(--ff-head);
  font-size: 18px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: 14px;
  color: var(--clr-text);
}
.service-card ul {
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.service-card ul li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--clr-muted);
}
.service-card ul li::before {
  content: '→';
  color: var(--clr-accent);
  font-size: 11px;
  flex-shrink: 0;
}
.service-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--clr-border);
}
.service-card-time {
  font-size: 12px;
  color: var(--clr-dim);
  display: flex;
  align-items: center;
  gap: 4px;
}
.service-card-link {
  font-family: var(--ff-head);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--clr-accent);
  display: flex;
  align-items: center;
  gap: 4px;
  opacity: 0;
  transition: opacity var(--ease);
}
.service-card:hover .service-card-link { opacity: 1; }

/* =====================================================
   13. STATS SECTION
   ===================================================== */
.stats-section {
  background: var(--clr-surface);
  border-top: 1px solid var(--clr-border);
  border-bottom: 1px solid var(--clr-border);
  padding-block: 72px;
  position: relative;
  overflow: hidden;
}
.stats-section::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 700px; height: 400px;
  background: radial-gradient(ellipse, rgba(245,158,11,0.04) 0%, transparent 70%);
  pointer-events: none;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.stat-item {
  padding: 36px 24px;
  text-align: center;
  border-right: 1px solid var(--clr-border);
}
.stat-item:last-child { border-right: none; }
.stat-num {
  font-family: var(--ff-head);
  font-size: clamp(52px, 5vw, 72px);
  font-weight: 800;
  color: var(--clr-accent);
  line-height: 1;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 2px;
}
.stat-num .unit { font-size: 32px; }
.stat-label {
  font-size: 14px;
  color: var(--clr-muted);
  margin-top: 8px;
  font-weight: 500;
}

/* =====================================================
   14. BLOG CARDS
   ===================================================== */
.blog-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--ease), box-shadow var(--ease);
}
.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 48px rgba(0,0,0,0.4);
}
.blog-card-thumb {
  aspect-ratio: 16/9;
  background: var(--clr-surface-2);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 44px;
}
.blog-card-thumb-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(12,12,14,0.6) 0%, transparent 55%);
}
.blog-card-cat {
  position: absolute;
  bottom: 12px; left: 14px;
  z-index: 1;
}
.blog-card-body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 10px;
}
.blog-card-date, .blog-card-read {
  font-size: 12px;
  color: var(--clr-dim);
}
.blog-card-title {
  font-family: var(--ff-head);
  font-size: 19px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  line-height: 1.25;
  color: var(--clr-text);
  margin-bottom: 10px;
  transition: color var(--ease);
}
.blog-card:hover .blog-card-title { color: var(--clr-accent); }
.blog-card-excerpt {
  font-size: 13px;
  color: var(--clr-muted);
  line-height: 1.6;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.blog-card-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-top: 16px;
  font-family: var(--ff-head);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--clr-accent);
}

/* =====================================================
   15. FAQ ACCORDION
   ===================================================== */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.faq-item {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--ease);
}
.faq-toggle { display: none; }
.faq-toggle:checked ~ .faq-label { color: var(--clr-accent); }
.faq-toggle:checked ~ .faq-label .faq-icon {
  transform: rotate(45deg);
  background: var(--clr-accent);
  color: var(--clr-bg);
}
.faq-item:has(.faq-toggle:checked) { border-color: rgba(245,158,11,0.3); }
.faq-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  cursor: pointer;
  font-family: var(--ff-head);
  font-size: 15px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--clr-text);
  user-select: none;
  transition: color var(--ease);
}
.faq-label:hover { color: var(--clr-accent); }
.faq-icon {
  flex-shrink: 0;
  width: 22px; height: 22px;
  background: var(--clr-surface-2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 300;
  color: var(--clr-muted);
  transition: transform var(--ease), background var(--ease), color var(--ease);
}
.faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--ease-slow);
}
.faq-toggle:checked ~ .faq-body { max-height: 400px; }
.faq-answer {
  padding: 0 22px 18px;
  border-top: 1px solid var(--clr-border);
  padding-top: 14px;
  font-size: 14px;
  color: var(--clr-muted);
  line-height: 1.7;
}
.faq-answer strong { color: var(--clr-text); }
.faq-layout {
  display: grid;
  grid-template-columns: 1fr 1.7fr;
  gap: 80px;
  align-items: start;
}

/* =====================================================
   16. SUBSCRIBE SECTION
   ===================================================== */
.subscribe-inner {
  max-width: 660px;
  margin-inline: auto;
  text-align: center;
}
.subscribe-emoji { font-size: 40px; margin-bottom: 12px; }
.subscribe-form {
  display: flex;
  gap: 10px;
  margin-top: 28px;
  flex-wrap: wrap;
}
.subscribe-input {
  flex: 1;
  min-width: 200px;
  padding: 14px 18px;
  background: var(--clr-bg);
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius);
  color: var(--clr-text);
  font-size: 15px;
  transition: border-color var(--ease);
}
.subscribe-input::placeholder { color: var(--clr-dim); }
.subscribe-input:focus { border-color: var(--clr-accent); }
.subscribe-note {
  margin-top: 12px;
  font-size: 13px;
  color: var(--clr-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.subscribe-note .dot {
  width: 6px; height: 6px;
  background: var(--clr-eco);
  border-radius: 50%;
}

/* =====================================================
   17. CTA SECTION
   ===================================================== */
.cta-section {
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  bottom: -120px; right: -120px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(245,158,11,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.cta-inner {
  text-align: center;
  max-width: 680px;
  margin-inline: auto;
  position: relative;
  z-index: 1;
}
.cta-title {
  font-family: var(--ff-head);
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin-bottom: 16px;
}
.cta-sub {
  font-size: 16px;
  color: var(--clr-muted);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 520px;
  margin-inline: auto;
}
.cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* =====================================================
   18. AFFILIATE BANNER
   ===================================================== */
.affiliate-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.affiliate-title-row {
  display: flex;
  align-items: center;
  gap: 12px;
}
.affiliate-headline {
  font-family: var(--ff-head);
  font-size: 22px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.product-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--ease), border-color var(--ease);
}
.product-card:hover {
  transform: translateY(-3px);
  border-color: rgba(238,77,45,0.3);
}
.product-thumb {
  aspect-ratio: 1/1;
  background: var(--clr-surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  border-bottom: 1px solid var(--clr-border);
}
.product-info { padding: 16px; }
.product-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--clr-text);
  margin-bottom: 6px;
  line-height: 1.4;
}
.product-price {
  font-family: var(--ff-head);
  font-size: 19px;
  font-weight: 700;
  color: var(--clr-shopee);
  margin-bottom: 12px;
}
.product-cta {
  display: block;
  text-align: center;
  padding: 9px;
  background: var(--clr-shopee);
  color: #fff;
  border-radius: 6px;
  font-family: var(--ff-head);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: opacity var(--ease);
}
.product-cta:hover { opacity: 0.85; }
.affiliate-disclaimer {
  margin-top: 14px;
  font-size: 12px;
  color: var(--clr-dim);
  text-align: center;
}

/* =====================================================
   19. PROCESS STEPS
   ===================================================== */
.process-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  position: relative;
}
.process-steps::before {
  content: '';
  position: absolute;
  top: 28px;
  left: calc(10% + 28px);
  right: calc(10% + 28px);
  height: 1px;
  background: var(--clr-border);
  z-index: 0;
}
.process-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 16px;
  position: relative;
  z-index: 1;
}
.process-num {
  width: 56px; height: 56px;
  background: var(--clr-surface-2);
  border: 2px solid var(--clr-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--ff-head);
  font-size: 20px;
  font-weight: 800;
  color: var(--clr-accent);
  margin-bottom: 14px;
  transition: border-color var(--ease), background var(--ease);
}
.process-step:hover .process-num {
  border-color: var(--clr-accent);
  background: rgba(245,158,11,0.08);
}
.process-label {
  font-family: var(--ff-head);
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 6px;
}
.process-desc { font-size: 12px; color: var(--clr-muted); }

/* =====================================================
   20. CONTACT FORM
   ===================================================== */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 64px;
  align-items: start;
}
.contact-info-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-bottom: 16px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: border-color var(--ease);
}
.contact-info-card:hover { border-color: rgba(245,158,11,0.3); }
.contact-info-icon {
  width: 44px; height: 44px;
  background: rgba(245,158,11,0.1);
  border: 1px solid rgba(245,158,11,0.2);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}
.contact-info-label {
  font-family: var(--ff-head);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-muted);
  margin-bottom: 4px;
}
.contact-info-val {
  font-size: 15px;
  color: var(--clr-text);
  font-weight: 500;
}
.contact-info-val a:hover { color: var(--clr-accent); }
.contact-form {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 36px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
.form-group { margin-bottom: 16px; }
.form-group:last-child { margin-bottom: 0; }
.form-label {
  display: block;
  font-family: var(--ff-head);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-muted);
  margin-bottom: 6px;
}
.form-label .required { color: var(--clr-shopee); margin-left: 2px; }
.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 13px 16px;
  background: var(--clr-bg);
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius);
  color: var(--clr-text);
  font-size: 14px;
  transition: border-color var(--ease);
}
.form-input::placeholder,
.form-textarea::placeholder { color: var(--clr-dim); }
.form-input:focus,
.form-textarea:focus,
.form-select:focus { border-color: var(--clr-accent); }
.form-textarea { resize: vertical; min-height: 100px; }
.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%239CA3AF' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}
.form-select option { background: var(--clr-surface); }
.form-radio-group {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.form-radio-label {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: var(--clr-bg);
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 14px;
  color: var(--clr-muted);
  transition: border-color var(--ease), color var(--ease), background var(--ease);
}
.form-radio-label:has(input:checked) {
  border-color: var(--clr-accent);
  color: var(--clr-text);
  background: rgba(245,158,11,0.06);
}
.form-radio-label input { display: none; }
.form-submit-row {
  margin-top: 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.form-note { font-size: 12px; color: var(--clr-dim); }
.form-success {
  display: none;
  padding: 16px 20px;
  background: rgba(22,163,74,0.1);
  border: 1px solid rgba(22,163,74,0.3);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--clr-eco);
  margin-top: 16px;
  align-items: center;
  gap: 10px;
}
.form-success.show { display: flex; }

/* =====================================================
   21. BLOG ARCHIVE PAGE
   ===================================================== */
.blog-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 40px;
  align-items: start;
}
.blog-categories {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.cat-btn {
  padding: 8px 16px;
  border-radius: 100px;
  font-family: var(--ff-head);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  color: var(--clr-muted);
  cursor: pointer;
  transition: var(--ease);
}
.cat-btn:hover, .cat-btn.active {
  background: var(--clr-accent);
  border-color: var(--clr-accent);
  color: var(--clr-bg);
}
.blog-main-grid { display: flex; flex-direction: column; gap: 24px; }
/* Sidebar */
.sidebar-widget {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 20px;
}
.sidebar-widget:last-child { margin-bottom: 0; }
.widget-title {
  font-family: var(--ff-head);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-muted);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--clr-border);
}
.widget-product {
  display: flex;
  gap: 12px;
  padding-block: 10px;
  border-bottom: 1px solid var(--clr-border);
}
.widget-product:last-child { border-bottom: none; padding-bottom: 0; }
.widget-product-icon {
  width: 44px; height: 44px;
  background: var(--clr-surface-2);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}
.widget-product-name {
  font-size: 13px;
  color: var(--clr-muted);
  line-height: 1.4;
}
.widget-product-price {
  font-family: var(--ff-head);
  font-size: 15px;
  font-weight: 700;
  color: var(--clr-shopee);
  margin-top: 2px;
}
/* Horizontal blog card for blog listing */
.blog-card-h {
  display: grid;
  grid-template-columns: 280px 1fr;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--ease), box-shadow var(--ease);
}
.blog-card-h:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.4);
}
.blog-card-h .blog-card-thumb {
  aspect-ratio: unset;
  height: 100%;
  min-height: 180px;
}
.blog-card-h .blog-card-body { padding: 28px; }
.blog-card-h .blog-card-title { font-size: 22px; }
.blog-card-h .blog-card-excerpt { -webkit-line-clamp: 3; }

/* =====================================================
   22. ABOUT PAGE
   ===================================================== */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.value-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: border-color var(--ease);
}
.value-card:hover { border-color: rgba(245,158,11,0.3); }
.value-icon {
  font-size: 32px;
  margin-bottom: 16px;
}
.value-title {
  font-family: var(--ff-head);
  font-size: 18px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 10px;
}
.value-desc { font-size: 14px; color: var(--clr-muted); line-height: 1.6; }
.about-story {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.about-story-text p {
  font-size: 15px;
  color: var(--clr-muted);
  line-height: 1.8;
  margin-bottom: 16px;
}
.about-story-text p:last-child { margin-bottom: 0; }
.about-story-text strong { color: var(--clr-text); }
.commit-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 24px;
}
.commit-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--clr-muted);
  transition: border-color var(--ease);
}
.commit-item:hover { border-color: rgba(245,158,11,0.25); }
.commit-dot {
  width: 8px; height: 8px;
  background: var(--clr-accent);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 5px;
}
.commit-item strong { color: var(--clr-text); }
/* Visual side for about story */
.about-visual {
  position: relative;
}
.about-visual-main {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 80px;
  position: relative;
  overflow: hidden;
}
.about-visual-main::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(245,158,11,0.04) 0%, transparent 60%);
}
.about-badge-float {
  position: absolute;
  bottom: -16px;
  right: -16px;
  background: var(--clr-accent);
  color: var(--clr-bg);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  text-align: center;
  box-shadow: 0 8px 32px rgba(245,158,11,0.3);
}
.about-badge-float .num {
  font-family: var(--ff-head);
  font-size: 36px;
  font-weight: 800;
  line-height: 1;
}
.about-badge-float .lbl {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  opacity: 0.8;
}

/* =====================================================
   23. FLOATING CHAT WIDGET
   ===================================================== */
.chat-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 900;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
}
.chat-float-btn {
  width: 52px; height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
  transition: transform var(--ease);
}
.chat-float-btn:hover { transform: scale(1.1); }
.chat-zalo { background: var(--clr-zalo); }
.chat-tooltip {
  display: flex;
  align-items: center;
  gap: 8px;
  pointer-events: none;
}
.chat-tooltip span {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: 6px;
  padding: 5px 10px;
  font-size: 12px;
  color: var(--clr-muted);
  white-space: nowrap;
  opacity: 0;
  transform: translateX(8px);
  transition: var(--ease);
}
.chat-tooltip:hover span { opacity: 1; transform: translateX(0); }

/* =====================================================
   24. ENTRANCE ANIMATIONS
   ===================================================== */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.animate-on-scroll.in-view {
  opacity: 1;
  transform: translateY(0);
}
.anim-delay-1 { transition-delay: 0.1s; }
.anim-delay-2 { transition-delay: 0.18s; }
.anim-delay-3 { transition-delay: 0.26s; }
.anim-delay-4 { transition-delay: 0.34s; }

/* =====================================================
   25. RESPONSIVE — TABLET (< 1100px)
   ===================================================== */
@media (max-width: 1100px) {
  .hero-stats { display: none; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 36px; }
  .blog-layout { grid-template-columns: 1fr; }
  .blog-card-h { grid-template-columns: 220px 1fr; }
  .process-steps { grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .process-steps::before { display: none; }
}
@media (max-width: 960px) {
  :root { --section-py: 72px; }
  .about-story { grid-template-columns: 1fr; gap: 48px; }
  .contact-layout { grid-template-columns: 1fr; gap: 40px; }
  .faq-layout { grid-template-columns: 1fr; gap: 40px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(2) { border-right: none; }
}

/* =====================================================
   26. RESPONSIVE — MOBILE (< 768px)
   ===================================================== */
@media (max-width: 768px) {
  :root { --section-py: 56px; }

  /* Header */
  .site-nav { display: none; }
  .header-cta { display: none; }
  .phone-text { display: none; }
  .header-phone {
    width: 36px;
    height: 36px;
    padding: 0;
    min-width: 36px;
    justify-content: center;
    border-radius: 8px;
    font-size: 16px;
  }
  .hamburger { display: flex; }

  /* Hero */
  .hero { min-height: 90vh; }
  .hero-title { font-size: clamp(44px, 13vw, 68px); }
  .hero-trust { gap: 12px; }
  .hero-trust-item { padding: 0; border-right: none; font-size: 12px; }

  /* Grids → single column */
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .features-strip .grid-3 { grid-template-columns: 1fr; }
  .feature-item { border-right: none; border-bottom: 1px solid var(--clr-border); }
  .feature-item:last-child { border-bottom: none; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .values-grid { grid-template-columns: 1fr; }

  /* Blog */
  .blog-card-h { grid-template-columns: 1fr; }
  .blog-card-h .blog-card-thumb { height: 200px; }

  /* Forms */
  .form-row { grid-template-columns: 1fr; }

  /* Process */
  .process-steps { grid-template-columns: 1fr; }

  /* Footer */
  .footer-main { grid-template-columns: 1fr; gap: 32px; padding-block: 48px 40px; }

  /* CTA */
  .cta-actions { flex-direction: column; }
  .cta-actions .btn { width: 100%; max-width: 340px; }

  /* Subscribe */
  .subscribe-form { flex-direction: column; }
  .subscribe-input { width: 100%; }
}

/* =====================================================
   27. RESPONSIVE — SMALL (< 480px)
   ===================================================== */
@media (max-width: 480px) {
  :root { --section-py: 48px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { text-align: center; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-num { font-size: 48px; }
  .stat-num .unit { font-size: 24px; }
  .contact-form { padding: 24px; }
  .services-tabs { width: 100%; overflow-x: auto; }
  .blog-categories { gap: 6px; }
}

/* =====================================================
   28. MOBILE-FIRST DEEP OPTIMIZATIONS
   Mục tiêu: thiết kế riêng cho điện thoại,
   không phải thu nhỏ bản desktop.
   ===================================================== */

/* ── Sticky bottom action bar ── */
.mobile-cta-bar { display: none; }

@media (max-width: 768px) {

  /* ── 28-A. Sticky bottom CTA bar ──────────────────── */
  .mobile-cta-bar {
    display: grid;
    grid-template-columns: 1fr 2fr;
    align-items: stretch;
    position: fixed;
    bottom: 0; left: 0; right: 0;
    z-index: 950;
    background: var(--clr-surface);
    border-top: 1px solid var(--clr-border);
    padding: 10px 16px;
    padding-bottom: calc(10px + env(safe-area-inset-bottom, 0px));
    gap: 10px;
    box-shadow: 0 -8px 32px rgba(0,0,0,0.5);
  }
  .mobile-cta-call {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    min-height: 52px;
    border: 1.5px solid var(--clr-border);
    border-radius: var(--radius);
    font-family: var(--ff-head);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--clr-muted);
    transition: background var(--ease), color var(--ease), border-color var(--ease);
  }
  .mobile-cta-call:active {
    background: var(--clr-surface-2);
    color: var(--clr-text);
    border-color: var(--clr-muted);
  }
  .mobile-cta-icon-lg {
    font-size: 18px;
    line-height: 1;
  }
  .mobile-cta-book {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 52px;
    background: var(--clr-accent);
    border-radius: var(--radius);
    font-family: var(--ff-head);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--clr-bg);
    transition: background var(--ease);
    box-shadow: 0 4px 16px rgba(245,158,11,0.35);
  }
  .mobile-cta-book:active { background: var(--clr-accent-d); }

  /* Ẩn sticky bar trên trang contact vì form đã là CTA chính */
  body.page-contact .mobile-cta-bar { display: none; }

  /* Tăng khoảng trống cuối body để sticky bar không che nội dung */
  body { padding-bottom: 84px; }
  body.page-contact { padding-bottom: 0; }

  /* Đẩy floating Zalo lên trên sticky bar */
  .chat-float {
    bottom: 96px;
    right: 16px;
  }

  /* ── 28-B. Mobile nav — full-screen drawer ─────────── */
  .mobile-nav {
    /* Override display:none thành luôn render để có transition */
    display: flex !important;
    flex-direction: column;
    visibility: hidden;
    opacity: 0;
    transform: translateY(-10px);
    transition:
      opacity 0.22s ease,
      transform 0.22s ease,
      visibility 0s linear 0.22s;
    /* Chiếm toàn màn hình từ header xuống */
    top: 70px;
    bottom: 0;
    left: 0; right: 0;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    /* Reset border/shadow của kiểu cũ */
    border-bottom: none;
    box-shadow: none;
    background: var(--clr-bg);
    padding: 12px 14px 120px;
    gap: 3px;
  }
  .mobile-nav.open {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.22s ease, transform 0.22s ease, visibility 0s;
  }
  .mobile-nav a {
    min-height: 54px;
    padding: 15px 18px;
    font-size: 15px;
    letter-spacing: 0.03em;
    border-bottom: none;
    border-radius: 10px;
    color: var(--clr-muted);
  }
  .mobile-nav a:hover,
  .mobile-nav a.active {
    color: var(--clr-text);
    background: var(--clr-surface);
  }
  .mobile-nav a.active { color: var(--clr-accent); }
  .mobile-nav .btn {
    margin-top: 16px;
    min-height: 52px;
    font-size: 15px;
    border-radius: 10px;
  }
  /* Đường phân cách nhẹ trước nút CTA */
  .mobile-nav .btn::before {
    display: none;
  }

  /* ── 28-C. Hero — căn giữa, không phải chỉ thu nhỏ ── */
  .hero {
    min-height: 82vh;
    align-items: center;
  }
  .hero-content {
    text-align: center;
    margin-inline: auto;
    max-width: 100%;
    padding-top: 8px;
  }
  .hero-eyebrow { margin-inline: auto; }
  .hero-sub {
    margin-inline: auto;
    font-size: 15px;
    max-width: 100%;
  }
  .hero-actions { justify-content: center; }
  /* Ẩn "Xem dịch vụ" — đã có trong nav và sticky bar */
  .hero-actions .btn-outline { display: none; }
  /* Trust badges: căn giữa, không có border pipes */
  .hero-trust {
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px 16px;
  }
  .hero-trust-item {
    padding: 0;
    border-right: none;
    font-size: 12px;
  }
  /* Hiệu ứng nền mạnh hơn trên mobile để bù thiếu ảnh */
  .hero-bg {
    background:
      linear-gradient(160deg,
        rgba(12,12,14,0.97) 0%,
        rgba(12,12,14,0.90) 55%,
        rgba(12,12,14,0.80) 100%),
      radial-gradient(ellipse 110% 65% at 50% 40%,
        rgba(245,158,11,0.13) 0%, transparent 65%),
      radial-gradient(ellipse 80% 60% at 10% 85%,
        rgba(6,182,212,0.08) 0%, transparent 55%);
  }

  /* ── 28-D. Typography — khả năng đọc tiếng Việt ────── */
  /* Blog title: bỏ uppercase (dấu thanh + in hoa = khó đọc) */
  .blog-card-title {
    text-transform: none;
    letter-spacing: 0;
    font-size: 17px;
    line-height: 1.38;
  }
  .blog-card-h .blog-card-title { font-size: 19px; }

  /* FAQ question: sentence case */
  .faq-label {
    text-transform: none;
    letter-spacing: 0;
    font-size: 15px;
    line-height: 1.4;
    padding: 16px 18px;
  }

  /* Feature title: sentence case */
  .feature-title {
    text-transform: none;
    letter-spacing: 0;
    font-size: 17px;
  }

  /* Service card title: sentence case */
  .service-card-title {
    text-transform: none;
    letter-spacing: 0;
    font-size: 16px;
  }

  /* ── 28-E. Spacing — khoảng cách đúng ngữ cảnh mobile ─ */
  .feature-item { padding: 26px 22px; }

  .service-card { padding: 20px; }

  .blog-card-body { padding: 16px; }

  .stat-item { padding: 26px 12px; }
  .stat-num { font-size: 52px; }

  /* Section head between: stack thay vì ngang */
  .section-head--between {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 32px;
  }

  /* ── 28-F. Contact form ──────────────────────────────── */
  .contact-form { padding: 20px 16px; }
  .contact-layout { gap: 28px; }
  /* Trên mobile form đặt trước info */
  .contact-layout { display: flex; flex-direction: column-reverse; }

  /* ── 28-G. Subscribe section ─────────────────────────── */
  /* Ẩn emoji lớn — tiết kiệm space, text đủ rõ */
  .subscribe-emoji { display: none; }
  .subscribe-form { margin-top: 20px; }

  /* ── 28-H. Footer ────────────────────────────────────── */
  .footer-main { padding-bottom: 16px; }

  /* Fix: pointer-events của tooltip đang chặn click Zalo */
  .chat-tooltip { pointer-events: auto; }
}

/* ── 28-I. Extra small screens < 480px ─────────────── */
@media (max-width: 480px) {
  .hero-title { font-size: clamp(40px, 14vw, 56px); }
  .hero-eyebrow { font-size: 11px; padding: 5px 12px; }

  .service-card { padding: 16px; }
  .service-card ul li { font-size: 13px; }
  .service-card-footer { flex-direction: column; align-items: flex-start; gap: 8px; }
  /* "Đặt lịch →" link luôn hiển thị, không ẩn đợi hover */
  .service-card-link { opacity: 1; }

  .blog-card-title { font-size: 16px; }
  .faq-label { font-size: 14px; padding: 14px 16px; }
  .faq-answer { font-size: 13px; padding: 0 16px 16px; }

  /* Sticky bar padding extra cho iPhone notch */
  body { padding-bottom: 92px; }
  .chat-float { bottom: 104px; }
}

/* =====================================================
   29. FLUENT FORMS — Professional Dark Theme
   ===================================================== */

/* ── Wrapper reset ─────────────────────────────────── */
.contact-form--fluent .fluentform,
.contact-form--fluent .fluentform * {
  box-sizing: border-box;
  font-family: var(--ff-body);
}

/* ── Field groups ──────────────────────────────────── */
.contact-form--fluent .ff-el-group {
  margin-bottom: 18px !important;
}

/* ── Labels ────────────────────────────────────────── */
.contact-form--fluent .ff-el-input--label label {
  display: block !important;
  font-size: 11px !important;
  font-weight: 600 !important;
  letter-spacing: 0.08em !important;
  text-transform: uppercase !important;
  color: var(--clr-muted) !important;
  margin-bottom: 7px !important;
}

/* Required asterisk → amber */
.contact-form--fluent .ff-el-is-required.asterisk-right label::after,
.contact-form--fluent .asterisk-right label::after {
  content: " *";
  color: var(--clr-accent) !important;
  font-weight: 700;
}

/* ── Text inputs & Textarea ────────────────────────── */
.contact-form--fluent .ff-el-form-control {
  display: block !important;
  width: 100% !important;
  background: var(--clr-surface-2) !important;
  border: 1.5px solid var(--clr-border) !important;
  border-radius: 10px !important;
  color: var(--clr-text) !important;
  font-size: 14.5px !important;
  line-height: 1.5 !important;
  padding: 12px 16px !important;
  transition: border-color 0.18s ease, box-shadow 0.18s ease !important;
  box-shadow: none !important;
  outline: none !important;
  -webkit-appearance: none !important;
  appearance: none !important;
}

.contact-form--fluent .ff-el-form-control::placeholder {
  color: var(--clr-dim) !important;
  opacity: 1 !important;
}

.contact-form--fluent .ff-el-form-control:hover {
  border-color: #3A3A4A !important;
}

.contact-form--fluent .ff-el-form-control:focus {
  border-color: var(--clr-accent) !important;
  box-shadow: 0 0 0 3px rgba(245,158,11,0.12) !important;
  background: #1A1A22 !important;
}

/* Textarea */
.contact-form--fluent textarea.ff-el-form-control {
  min-height: 110px !important;
  resize: vertical !important;
}

/* Number input — hide spinners */
.contact-form--fluent input[type="number"].ff-el-form-control::-webkit-inner-spin-button,
.contact-form--fluent input[type="number"].ff-el-form-control::-webkit-outer-spin-button {
  -webkit-appearance: none !important;
  margin: 0 !important;
}
.contact-form--fluent input[type="number"].ff-el-form-control {
  -moz-appearance: textfield !important;
}

/* ── Choices.js — Closed state (trigger button) ────── */
.contact-form--fluent .choices {
  width: 100% !important;
  margin-bottom: 0 !important;
  position: relative !important;
}

.contact-form--fluent .choices__inner {
  background: var(--clr-surface-2) !important;
  border: 1.5px solid var(--clr-border) !important;
  border-radius: 10px !important;
  min-height: 48px !important;
  padding: 11px 40px 11px 16px !important;
  font-size: 14.5px !important;
  color: var(--clr-text) !important;
  transition: border-color 0.18s !important;
  display: flex !important;
  align-items: center !important;
}

.contact-form--fluent .choices.is-open .choices__inner,
.contact-form--fluent .choices__inner:hover {
  border-color: var(--clr-accent) !important;
  border-bottom-left-radius: 0 !important;
  border-bottom-right-radius: 0 !important;
}

/* Caret arrow — dùng pseudo trên wrapper */
.contact-form--fluent .choices[data-type*="select-one"]::after {
  content: '' !important;
  display: block !important;
  width: 8px !important;
  height: 8px !important;
  border-right: 2px solid var(--clr-muted) !important;
  border-bottom: 2px solid var(--clr-muted) !important;
  border-top: none !important;
  border-left: none !important;
  position: absolute !important;
  right: 16px !important;
  top: 50% !important;
  transform: translateY(-65%) rotate(45deg) !important;
  margin: 0 !important;
  transition: transform 0.2s, border-color 0.2s !important;
  pointer-events: none !important;
}

.contact-form--fluent .choices[data-type*="select-one"].is-open::after {
  transform: translateY(-35%) rotate(-135deg) !important;
  border-color: var(--clr-accent) !important;
}

.contact-form--fluent .choices__list--single {
  padding: 0 !important;
  color: var(--clr-text) !important;
  font-size: 14.5px !important;
}

.contact-form--fluent .choices__placeholder {
  color: var(--clr-dim) !important;
  opacity: 1 !important;
}

/* ── Choices.js — Dropdown list (global scope bắt buộc) */
/* Choices.js append dropdown trong DOM nhưng CSS plugin dùng !important trắng */
/* Dùng high-specificity global selector để override */
.fluentform .choices__list--dropdown,
.fluentform .choices__list[aria-expanded="true"],
.contact-form--fluent .choices__list--dropdown,
.contact-form--fluent .choices__list[aria-expanded="true"] {
  background-color: #18181F !important;
  border: 1.5px solid var(--clr-border) !important;
  border-top: 1px solid #2A2A38 !important;
  border-radius: 0 0 10px 10px !important;
  box-shadow: 0 12px 40px rgba(0,0,0,0.7) !important;
  z-index: 999 !important;
  overflow: hidden !important;
}

/* Search input bên trong dropdown */
.fluentform .choices__input.choices__input--cloned,
.contact-form--fluent .choices__input.choices__input--cloned {
  background-color: #111118 !important;
  border: none !important;
  border-bottom: 1px solid var(--clr-border) !important;
  color: var(--clr-text) !important;
  font-size: 14px !important;
  padding: 10px 14px !important;
  width: 100% !important;
  display: block !important;
  outline: none !important;
}

.fluentform .choices__input.choices__input--cloned::placeholder,
.contact-form--fluent .choices__input.choices__input--cloned::placeholder {
  color: var(--clr-dim) !important;
}

/* Các item trong list */
.fluentform .choices__list--dropdown .choices__item,
.contact-form--fluent .choices__list--dropdown .choices__item {
  background-color: transparent !important;
  color: var(--clr-muted) !important;
  font-size: 14px !important;
  padding: 11px 16px !important;
  border-bottom: 1px solid rgba(255,255,255,0.04) !important;
}

.fluentform .choices__list--dropdown .choices__item.is-highlighted,
.contact-form--fluent .choices__list--dropdown .choices__item.is-highlighted {
  background-color: rgba(245,158,11,0.1) !important;
  color: var(--clr-text) !important;
}

.fluentform .choices__list--dropdown .choices__item.is-selected,
.contact-form--fluent .choices__list--dropdown .choices__item.is-selected {
  background-color: rgba(245,158,11,0.15) !important;
  color: var(--clr-accent) !important;
  font-weight: 600 !important;
}

.fluentform .choices__list--dropdown .choices__item:last-child,
.contact-form--fluent .choices__list--dropdown .choices__item:last-child {
  border-bottom: none !important;
}

/* ── Radio Buttons → Toggle Pills ─────────────────── */
.contact-form--fluent .ff-el-input--content > .ff-el-form-check {
  display: inline-flex !important;
  margin: 0 6px 8px 0 !important;
}

.contact-form--fluent .ff-el-form-check-label {
  display: flex !important;
  align-items: center !important;
  gap: 7px !important;
  padding: 9px 18px !important;
  background: var(--clr-surface-2) !important;
  border: 1.5px solid var(--clr-border) !important;
  border-radius: 50px !important;
  cursor: pointer !important;
  font-size: 13.5px !important;
  font-weight: 500 !important;
  color: var(--clr-muted) !important;
  transition: all 0.18s ease !important;
  user-select: none !important;
  white-space: nowrap !important;
}

.contact-form--fluent .ff-el-form-check-label:hover {
  border-color: var(--clr-accent) !important;
  color: var(--clr-text) !important;
  background: rgba(245,158,11,0.06) !important;
}

/* Hide native radio, show styled pill */
.contact-form--fluent .ff-el-form-check-input[type="radio"] {
  position: absolute !important;
  opacity: 0 !important;
  width: 0 !important;
  height: 0 !important;
  pointer-events: none !important;
}

.contact-form--fluent .ff-el-form-check-input[type="radio"]:checked + span,
.contact-form--fluent .ff-el-form-check-input[type="radio"]:checked ~ span {
  color: #000 !important;
}

/* Selected pill — JS adds .ff-pill--checked, :has() là fallback cho browser hiện đại */
.contact-form--fluent .ff-el-form-check-label.ff-pill--checked,
.contact-form--fluent .ff-el-form-check:has(input:checked) .ff-el-form-check-label {
  background: var(--clr-accent) !important;
  border-color: var(--clr-accent) !important;
  color: #000 !important;
  font-weight: 600 !important;
}

/* Flex wrap for radio groups */
.contact-form--fluent .ff-el-input--content:has(.ff-el-form-check) {
  display: flex !important;
  flex-wrap: wrap !important;
  gap: 0 !important;
}

/* ── Name field (first_name only) ──────────────────── */
.contact-form--fluent .ff-t-container {
  display: block !important;
}

.contact-form--fluent .ff-t-cell {
  display: block !important;
  width: 100% !important;
  padding: 0 !important;
}

/* ── Error state ───────────────────────────────────── */
.contact-form--fluent .ff-el-is-error .ff-el-form-control {
  border-color: #EF4444 !important;
  box-shadow: 0 0 0 3px rgba(239,68,68,0.1) !important;
}

.contact-form--fluent .error-message {
  display: block !important;
  margin-top: 5px !important;
  font-size: 12px !important;
  color: #F87171 !important;
  font-weight: 500 !important;
}

/* Error for Choices.js */
.contact-form--fluent .ff-el-is-error .choices__inner {
  border-color: #EF4444 !important;
}

/* ── Submit Button ──────────────────────────────────── */
.contact-form--fluent .ff_submit_btn_wrapper {
  margin-top: 8px !important;
}

.contact-form--fluent .ff-btn-submit,
form.fluent_form_3 .ff-btn-submit {
  display: block !important;
  width: 100% !important;
  background: var(--clr-eco) !important;
  color: #fff !important;
  border: none !important;
  border-radius: 10px !important;
  font-family: var(--ff-head) !important;
  font-size: 16px !important;
  font-weight: 700 !important;
  letter-spacing: 0.06em !important;
  text-transform: uppercase !important;
  padding: 16px 24px !important;
  cursor: pointer !important;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s !important;
  box-shadow: 0 4px 20px rgba(22,163,74,0.25) !important;
  position: relative !important;
  overflow: hidden !important;
}

.contact-form--fluent .ff-btn-submit:hover,
form.fluent_form_3 .ff-btn-submit:hover {
  background: var(--clr-eco-d) !important;
  transform: translateY(-2px) !important;
  box-shadow: 0 8px 28px rgba(22,163,74,0.35) !important;
}

.contact-form--fluent .ff-btn-submit:active {
  transform: translateY(0) !important;
}

/* Loading state */
.contact-form--fluent .ff-btn-submit.ff-loading,
.contact-form--fluent .ff-btn-submit[disabled] {
  opacity: 0.7 !important;
  cursor: not-allowed !important;
  transform: none !important;
}

/* ── Success Message ────────────────────────────────── */
.contact-form--fluent .ff-message-success {
  background: linear-gradient(135deg, rgba(22,163,74,0.1), rgba(22,163,74,0.05)) !important;
  border: 1px solid rgba(22,163,74,0.35) !important;
  border-radius: 12px !important;
  padding: 20px 24px !important;
  margin-top: 20px !important;
  color: #4ADE80 !important;
  font-size: 15px !important;
  font-weight: 500 !important;
  line-height: 1.6 !important;
}

/* ── Hide branding ──────────────────────────────────── */
.contact-form--fluent .ff-powered-by,
.contact-form--fluent .ff-t-cell + .ff-t-cell,
.contact-form--fluent .ff-t-cell ~ .ff-t-cell {
  display: none !important;
}

/* ── Mobile ─────────────────────────────────────────── */
@media (max-width: 600px) {
  .contact-form--fluent .ff-el-form-control {
    font-size: 16px !important; /* tránh zoom trên iOS */
    padding: 13px 15px !important;
  }

  .contact-form--fluent .choices__inner {
    min-height: 50px !important;
    font-size: 16px !important;
  }

  .contact-form--fluent .ff-el-form-check-label {
    padding: 10px 16px !important;
    font-size: 13px !important;
  }

  .contact-form--fluent .ff-btn-submit {
    font-size: 15px !important;
    padding: 17px 20px !important;
  }
}