/* ==========================================================================
   FPT TELECOM LANDING PAGE - FULL DESIGN SYSTEM & STYLES
   Chuyên nghiệp - Chuẩn SEO - Tối ưu Tỷ lệ Chuyển đổi (Conversion Rate)
   Hotline: 0382 898 603
   ========================================================================== */

:root {
  --primary: #f26522; /* FPT Orange */
  --primary-hover: #d95314;
  --primary-light: rgba(242, 101, 34, 0.08);
  --primary-gradient: linear-gradient(135deg, #f26522 0%, #ff823d 100%);
  
  --secondary: #005baa; /* FPT Corporate Blue */
  --secondary-hover: #004380;
  --secondary-light: rgba(0, 91, 170, 0.08);
  
  --accent-blue: #4564ed;
  --accent-green: #10b981;
  --accent-gold: #f59e0b;
  --accent-red: #ef4444;
  --zalo-blue: #0088ff;
  
  --dark: #1e293b;
  --dark-text: #334155;
  --slate-gray: #64748b;
  --light-bg: #f8fafc;
  --white: #ffffff;
  --gray-border: #e2e8f0;
  --gray-bg: #f1f5f9;
  
  --max-width: 1200px;
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  --font-serif: "Times New Roman", Times, serif;
  
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.1);
  --shadow-glow: 0 8px 20px rgba(242, 101, 34, 0.25);
  --shadow-blue: 0 8px 20px rgba(0, 91, 170, 0.2);
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  --transition: all 0.25s ease-in-out;
}

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-main);
  background-color: #f4f6f9;
  color: var(--dark);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 65px;
}

@media (min-width: 992px) {
  body {
    padding-bottom: 0;
  }
}

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

ul {
  list-style: none;
}

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

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 16px;
}

.section-padding {
  padding: 50px 0;
}

@media (max-width: 768px) {
  .section-padding {
    padding: 35px 0;
  }
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-primary { color: var(--primary) !important; }
.text-secondary { color: var(--secondary) !important; }
.text-blue { color: var(--accent-blue) !important; }
.text-red { color: var(--accent-red) !important; }
.bg-light { background-color: var(--light-bg); }
.bg-white { background-color: var(--white); }

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--dark);
  font-weight: 700;
  line-height: 1.3;
}

h1 {
  font-size: 1.85rem;
}

h2 {
  font-size: 1.55rem;
}

h3 {
  font-size: 1.25rem;
}

@media (min-width: 768px) {
  h1 { font-size: 2.3rem; }
  h2 { font-size: 1.85rem; }
  h3 { font-size: 1.4rem; }
}

.section-title {
  margin-bottom: 30px;
}

.section-title .sub-title {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.8px;
  color: var(--primary);
  text-transform: uppercase;
  margin-bottom: 8px;
  background: var(--primary-light);
  padding: 4px 14px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(242, 101, 34, 0.2);
}

.section-title h2 {
  margin-bottom: 8px;
}

.section-title p {
  color: var(--slate-gray);
  font-size: 1rem;
  max-width: 750px;
  margin: 0 auto;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary-gradient);
  color: var(--white);
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #d95314 0%, #f26522 100%);
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(242, 101, 34, 0.35);
  color: var(--white);
}

.btn-secondary {
  background: var(--secondary);
  color: var(--white);
}

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

.btn-blue {
  background: var(--accent-blue);
  color: var(--white);
}

.btn-blue:hover {
  background: #3651d4;
  transform: translateY(-2px);
  color: var(--white);
}

.btn-phone {
  background: #e11d48;
  color: var(--white);
  box-shadow: 0 4px 15px rgba(225, 29, 72, 0.3);
}

.btn-phone:hover {
  background: #be123c;
  transform: translateY(-2px);
  color: var(--white);
}

.btn-zalo {
  background: var(--zalo-blue);
  color: var(--white);
  box-shadow: 0 4px 15px rgba(0, 136, 255, 0.3);
}

.btn-zalo:hover {
  background: #0073db;
  transform: translateY(-2px);
  color: var(--white);
}

.btn-large {
  padding: 14px 28px;
  font-size: 1.05rem;
  border-radius: var(--radius-md);
}

.btn-block {
  width: 100%;
}

/* Pulse Animation */
.pulse-btn {
  position: relative;
}

.pulse-btn::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: inherit;
  box-shadow: 0 0 0 0 rgba(225, 29, 72, 0.7);
  animation: pulse 1.8s infinite;
  pointer-events: none;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(225, 29, 72, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 12px rgba(225, 29, 72, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(225, 29, 72, 0); }
}

/* Pulse xanh Zalo */
.pulse-zalo {
  position: relative;
}

.pulse-zalo::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(0, 136, 255, 0.7);
  animation: pulse-zalo 1.8s infinite;
  pointer-events: none;
}

@keyframes pulse-zalo {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 136, 255, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 12px rgba(0, 136, 255, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 136, 255, 0); }
}

/* ==========================================================================
   HEADER & NAVBAR
   ========================================================================== */
.top-announcement {
  background: linear-gradient(90deg, #d95314 0%, #f26522 50%, #005baa 100%);
  color: var(--white);
  font-size: 0.88rem;
  padding: 7px 0;
}

.announcement-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  flex-wrap: wrap;
}

.announcement-badge {
  background: rgba(255, 255, 255, 0.2);
  padding: 2px 10px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.8rem;
}

.announcement-text {
  flex: 1;
  text-align: center;
  font-weight: 500;
}

.announcement-link {
  color: #ffeb3b;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.announcement-link:hover {
  text-decoration: underline;
}

@media (max-width: 900px) {
  .announcement-text { display: none; }
  .announcement-container { justify-content: center; }
}

.navbar {
  background: var(--white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: var(--transition);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.fpt-logo-img {
  height: 38px;
  width: auto;
}

.logo-badge {
  background: var(--primary-light);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(242, 101, 34, 0.2);
}

.nav-menu {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--dark-text);
  padding: 8px 0;
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: var(--primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: var(--transition);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 28px;
  color: var(--dark);
  cursor: pointer;
}

@media (max-width: 1024px) {
  .mobile-toggle {
    display: block;
  }
  
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 280px;
    height: calc(100vh - 70px);
    background: var(--white);
    box-shadow: var(--shadow-lg);
    flex-direction: column;
    align-items: flex-start;
    padding: 24px;
    transition: var(--transition);
    overflow-y: auto;
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    width: 100%;
  }
  
  .nav-link {
    width: 100%;
    display: block;
    padding: 10px 0;
    border-bottom: 1px solid var(--gray-border);
  }
  
  .nav-actions .nav-btn {
    display: none;
  }
}

/* ==========================================================================
   HERO BANNER & ARTICLE HEADER
   ========================================================================== */
.article-header {
  background: var(--white);
  padding: 30px 0 20px;
  border-bottom: 1px solid var(--gray-border);
}

.breadcrumb-nav {
  font-size: 0.88rem;
  color: var(--slate-gray);
  margin-bottom: 15px;
}

.breadcrumb-nav a {
  color: var(--secondary);
}

.breadcrumb-nav a:hover {
  color: var(--primary);
  text-decoration: underline;
}

.breadcrumb-separator {
  margin: 0 8px;
  color: #94a3b8;
}

.hero-main-title {
  font-size: 1.85rem;
  color: #0f172a;
  margin-bottom: 15px;
  line-height: 1.35;
}

@media (min-width: 768px) {
  .hero-main-title {
    font-size: 2.25rem;
  }
}

.article-intro {
  font-size: 1.08rem;
  color: #334155;
  line-height: 1.75;
  margin-bottom: 20px;
}

.hotline-quote-box {
  background: #fff7ed;
  border-left: 5px solid var(--primary);
  padding: 16px 20px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin-bottom: 25px;
  font-size: 1.1rem;
  color: #9a3412;
}

.hotline-quote-box strong {
  color: #ea580c;
}

.hotline-quote-box a {
  color: #e11d48;
  font-weight: 700;
  font-size: 1.25rem;
}

.hotline-quote-box a:hover {
  text-decoration: underline;
}

/* Banner Slider Carousel */
.banner-carousel-section {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  margin: 20px 0 35px;
}

.carousel-track {
  display: flex;
  transition: transform 0.5s ease-in-out;
  width: 100%;
}

.carousel-slide {
  min-width: 100%;
}

.carousel-slide img {
  width: 100%;
  height: auto;
  aspect-ratio: 1920 / 717;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.carousel-prev, .carousel-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid #e2e8f0;
  color: var(--dark);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 20px;
  box-shadow: var(--shadow-md);
  z-index: 10;
  transition: var(--transition);
}

.carousel-prev:hover, .carousel-next:hover {
  background: var(--primary);
  color: var(--white);
}

.carousel-prev { left: 15px; }
.carousel-next { right: 15px; }

.carousel-indicators {
  position: absolute;
  bottom: 15px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 10;
}

.indicator {
  width: 10px;
  height: 10px;
  background: rgba(255, 255, 255, 0.6);
  border-radius: 50%;
  cursor: pointer;
  transition: var(--transition);
}

.indicator.active {
  width: 32px;
  background: var(--primary);
  border-radius: var(--radius-full);
}

/* Promo Highlights Box */
.promo-summary-box {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 25px;
  box-shadow: var(--shadow-md);
  border: 1px solid #fed7aa;
  margin-bottom: 35px;
}

.promo-summary-box h3 {
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 15px;
  font-size: 1.25rem;
}

.promo-summary-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 12px;
}

.promo-summary-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.98rem;
}

.promo-summary-item ion-icon {
  color: var(--accent-green);
  font-size: 20px;
  margin-top: 2px;
  flex-shrink: 0;
}

/* Quick Action / Countdown Bar */
.countdown-box {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 20px 25px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 40px;
  box-shadow: var(--shadow-lg);
}

.countdown-info h4 {
  color: #fbbf24;
  font-size: 1.1rem;
  margin-bottom: 4px;
}

.countdown-info p {
  font-size: 0.9rem;
  color: #94a3b8;
}

.countdown-timer {
  display: flex;
  align-items: center;
  gap: 8px;
}

.timer-unit {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  padding: 6px 12px;
  text-align: center;
  min-width: 55px;
}

.timer-unit span {
  display: block;
  font-size: 1.35rem;
  font-weight: 700;
  color: #38bdf8;
  line-height: 1;
}

.timer-unit small {
  font-size: 0.7rem;
  color: #cbd5e1;
  text-transform: uppercase;
}

.timer-colon {
  font-size: 1.35rem;
  font-weight: 700;
  color: #fbbf24;
}

@media (max-width: 768px) {
  .countdown-box {
    justify-content: center;
    text-align: center;
  }
}

/* ==========================================================================
   PRICING CARDS & TABLES (SEO OPTIMIZED)
   ========================================================================== */
.pricing-section {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 35px 25px;
  box-shadow: var(--shadow-md);
  margin-bottom: 40px;
}

.pricing-tabs-wrapper {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 30px;
  flex-wrap: wrap;
}

.tab-btn {
  background: var(--gray-bg);
  color: var(--dark);
  border: 1px solid var(--gray-border);
  padding: 10px 20px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}

.tab-btn:hover {
  background: #e2e8f0;
}

.tab-btn.active {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
  box-shadow: var(--shadow-glow);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Package Cards Grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 22px;
  margin-bottom: 35px;
}

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

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

.package-card.popular {
  border: 2px solid var(--primary);
  box-shadow: 0 6px 20px rgba(242, 101, 34, 0.15);
}

.card-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  z-index: 2;
}

.card-badge.popular-tag {
  background: var(--primary);
  color: var(--white);
}

.card-badge.game-tag {
  background: #8b5cf6;
  color: var(--white);
}

.card-badge.pro-tag {
  background: #0ea5e9;
  color: var(--white);
}

.card-badge.mesh-tag {
  background: #10b981;
  color: var(--white);
}

.card-img-wrapper {
  background: #f8fafc;
  padding: 20px;
  text-align: center;
  border-bottom: 1px solid var(--gray-border);
}

.card-img-wrapper img {
  height: 90px;
  width: auto;
  margin: 0 auto;
  object-fit: contain;
}

.package-card-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-product-name {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--dark);
}

.card-subtitle {
  font-size: 0.85rem;
  color: var(--slate-gray);
  margin-bottom: 15px;
}

.card-price-block {
  margin-bottom: 15px;
}

.price-value {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--accent-blue);
  line-height: 1;
}

.price-period {
  font-size: 0.88rem;
  color: #64748b;
  font-weight: 500;
}

.card-speed-box {
  background: var(--gray-bg);
  border: 1px solid var(--gray-border);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 15px;
}

.speed-info {
  display: flex;
  flex-direction: column;
}

.speed-label {
  font-size: 0.75rem;
  color: var(--slate-gray);
  text-transform: uppercase;
  font-weight: 600;
}

.speed-val {
  font-size: 1.05rem;
  font-weight: 700;
  color: #0f172a;
}

.speed-icon {
  font-size: 24px;
  color: var(--primary);
}

.card-features-list {
  margin-bottom: 20px;
  flex: 1;
}

.card-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 10px;
  font-size: 0.88rem;
  color: #334155;
}

.card-feature-item ion-icon {
  color: var(--accent-green);
  font-size: 16px;
  margin-top: 2px;
  flex-shrink: 0;
}

.package-card-footer {
  padding: 0 20px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* Detailed Responsive Data Tables */
.responsive-table-wrapper {
  overflow-x: auto;
  margin: 25px 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-border);
  box-shadow: var(--shadow-sm);
}

.fpt-data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: center;
  font-size: 0.92rem;
  background: var(--white);
  min-width: 600px;
}

.fpt-data-table th, .fpt-data-table td {
  padding: 12px 14px;
  border: 1px solid #e2e8f0;
}

.fpt-data-table thead tr th {
  background: #f1f5f9;
  color: #1e293b;
  font-weight: 700;
  font-size: 0.95rem;
}

.fpt-data-table thead tr.table-main-header th {
  background: var(--primary);
  color: var(--white);
  font-size: 1.08rem;
  padding: 14px;
}

.fpt-data-table tr:nth-child(even) {
  background: #f8fafc;
}

.fpt-data-table td.row-label {
  font-weight: 700;
  background: #f8fafc;
  text-align: left;
  width: 22%;
  color: #1e293b;
}

.fpt-data-table td.price-cell {
  font-weight: 700;
  color: var(--accent-blue);
  font-size: 1rem;
}

.fpt-data-table td ul {
  text-align: left;
  padding-left: 20px;
  list-style: disc;
}

.fpt-data-table td ul li {
  margin-bottom: 4px;
}

/* ==========================================================================
   HIGHLIGHTS & FEATURES
   ========================================================================== */
.highlights-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 18px;
  margin: 30px 0;
}

.highlight-card {
  background: var(--white);
  border: 1px solid var(--gray-border);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  align-items: flex-start;
  gap: 15px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.highlight-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.highlight-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
}

.highlight-info h4 {
  font-size: 1.02rem;
  margin-bottom: 4px;
}

.highlight-info p {
  font-size: 0.85rem;
  color: var(--slate-gray);
  margin: 0;
}

/* ==========================================================================
   ONLINE REGISTRATION FORM
   ========================================================================== */
.registration-section {
  background: linear-gradient(135deg, #005baa 0%, #1e40af 100%);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px 30px;
  margin: 40px 0;
  box-shadow: var(--shadow-lg);
}

.reg-form-container {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 35px;
  align-items: center;
}

@media (max-width: 900px) {
  .reg-form-container {
    grid-template-columns: 1fr;
  }
}

.reg-info h3 {
  color: #fbbf24;
  font-size: 1.6rem;
  margin-bottom: 12px;
}

.reg-info p {
  font-size: 1rem;
  color: #e2e8f0;
  margin-bottom: 20px;
}

.reg-benefits {
  list-style: none;
}

.reg-benefits li {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  font-size: 0.95rem;
}

.reg-benefits li ion-icon {
  color: #4ade80;
  font-size: 20px;
}

.reg-form {
  background: var(--white);
  color: var(--dark);
  padding: 25px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.form-group {
  margin-bottom: 15px;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.88rem;
  margin-bottom: 6px;
  color: #334155;
}

.form-control {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--gray-border);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(242, 101, 34, 0.15);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

@media (max-width: 600px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   PROCESS 4-STEPS
   ========================================================================== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin: 30px 0;
}

.process-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 25px 20px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-border);
  position: relative;
  transition: var(--transition);
}

.process-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.process-step-num {
  width: 38px;
  height: 38px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  margin: 0 auto 15px;
}

.process-icon {
  font-size: 32px;
  color: var(--secondary);
  margin-bottom: 12px;
}

.process-card h4 {
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.process-card p {
  font-size: 0.88rem;
  color: var(--slate-gray);
  margin: 0;
}

/* ==========================================================================
   FAQ ACCORDION (SCHEMA COMPATIBLE)
   ========================================================================== */
.faq-container {
  max-width: 850px;
  margin: 0 auto;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--gray-border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.active {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.faq-question {
  width: 100%;
  padding: 16px 20px;
  background: none;
  border: none;
  text-align: left;
  font-size: 1rem;
  font-weight: 700;
  color: var(--dark);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  gap: 15px;
}

.faq-question:hover {
  color: var(--primary);
}

.faq-arrow {
  font-size: 20px;
  color: var(--slate-gray);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-item.active .faq-arrow {
  transform: rotate(180deg);
  color: var(--primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 20px;
  color: #475569;
  font-size: 0.95rem;
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 20px 18px 20px;
  border-top: 1px solid #f1f5f9;
}

/* ==========================================================================
   OFFICES & COVERAGE TABLE
   ========================================================================== */
.offices-section {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: var(--shadow-md);
  margin: 35px 0;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
  background: #0f172a;
  color: #cbd5e1;
  padding: 50px 0 20px;
  font-size: 0.92rem;
  border-top: 4px solid var(--primary);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}

.footer-col-large {
  grid-column: span 1;
}

@media (min-width: 992px) {
  .footer-col-large {
    grid-column: span 1.5;
  }
}

.footer-logo {
  height: 38px;
  margin-bottom: 15px;
  filter: brightness(0) invert(1);
}

.footer h4 {
  color: var(--white);
  font-size: 1.1rem;
  margin-bottom: 16px;
  position: relative;
  padding-bottom: 8px;
}

.footer h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 35px;
  height: 2px;
  background: var(--primary);
}

.footer-links-list li {
  margin-bottom: 8px;
}

.footer-links-list a {
  color: #94a3b8;
}

.footer-links-list a:hover {
  color: var(--primary);
  padding-left: 4px;
}

.footer-contact-info p {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 10px;
}

.footer-contact-info ion-icon {
  color: var(--primary);
  font-size: 18px;
  margin-top: 3px;
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid #334155;
  padding-top: 20px;
  text-align: center;
  font-size: 0.85rem;
  color: #94a3b8;
}

/* ==========================================================================
   FLOATING WIDGETS & MOBILE BAR
   ========================================================================== */
.floating-contact-buttons {
  position: fixed;
  bottom: 80px;
  left: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 999;
}

.floating-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 55px;
  height: 55px;
  border-radius: 50%;
  color: var(--white);
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
}
.floating-btn span {
  display: none;
}
.floating-btn ion-icon {
  font-size: 26px !important;
}

.floating-btn.zalo-btn {
  background: transparent;
  padding: 0;
  border: none;
}

.floating-btn.phone-btn {
  background: #e11d48;
}

.floating-btn:hover {
  transform: scale(1.05);
}

@media (max-width: 768px) {
  .floating-contact-buttons {
    display: none;
  }
}

/* Mobile Bottom Sticky Bar */
.mobile-bottom-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--white);
  box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
  padding: 8px 12px;
  z-index: 1000;
  gap: 10px;
}

@media (max-width: 768px) {
  .mobile-bottom-bar {
    display: flex;
  }
}

.m-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--white);
}

.m-btn-zalo { background: var(--zalo-blue); }
.m-btn-call { background: #e11d48; }

/* Social Proof Live Toast */
.social-proof-toast {
  position: fixed;
  bottom: 25px;
  left: 20px;
  background: var(--white);
  border: 1px solid var(--gray-border);
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 998;
  transform: translateY(120%);
  transition: transform 0.4s ease;
  max-width: 320px;
}

.social-proof-toast.show {
  transform: translateY(0);
}

.toast-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.toast-content {
  font-size: 0.82rem;
  line-height: 1.35;
}

.toast-title {
  color: var(--dark);
  font-weight: 600;
}

.toast-desc {
  color: var(--slate-gray);
}

.toast-time {
  font-size: 0.72rem;
  color: #94a3b8;
}

@media (max-width: 768px) {
  .social-proof-toast {
    bottom: 75px;
    left: 10px;
    right: 10px;
    max-width: none;
  }
}
.nav-hotline-text {
  font-weight: 700;
  color: #e11d48;
  font-size: 1.15rem;
  display: flex;
  align-items: center;
  gap: 6px;
}
@media (max-width: 1024px) {
  .nav-hotline-text {
    display: none;
  }
}


/* ==========================================================================
   ENHANCED HERO REGISTRATION FORM (MANGFPTVN STYLE)
   ========================================================================== */
.hero-register-wrapper {
  background: linear-gradient(135deg, #ffffff 0%, #fff7ed 100%);
  border: 2px solid #fed7aa;
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: 0 10px 30px rgba(242, 101, 34, 0.12);
  margin-top: 25px;
  margin-bottom: 30px;
}

.hero-register-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 18px;
  border-bottom: 1px dashed #fdba74;
  padding-bottom: 12px;
}

.hero-register-header h3 {
  font-size: 1.25rem;
  color: #c2410c;
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
}

.hero-register-badge {
  background: #ea580c;
  color: #ffffff;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.hero-register-form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
}

.hero-register-form .form-group {
  margin-bottom: 0;
}

.hero-register-form .form-control {
  background: #ffffff;
  border: 1.5px solid #cbd5e1;
  padding: 10px 14px;
  font-size: 0.92rem;
  border-radius: var(--radius-md);
  color: #1e293b;
  width: 100%;
}

.hero-register-form .form-control:focus {
  border-color: #ea580c;
  box-shadow: 0 0 0 3px rgba(234, 88, 12, 0.18);
}

.hero-register-form .btn-submit-hero {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, #ea580c 0%, #f97316 100%);
  color: #ffffff;
  font-size: 1.05rem;
  font-weight: 700;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(234, 88, 12, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: var(--transition);
}

.hero-register-form .btn-submit-hero:hover {
  background: linear-gradient(135deg, #c2410c 0%, #ea580c 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(234, 88, 12, 0.45);
}

.hero-register-trust {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 14px;
  font-size: 0.85rem;
  color: #64748b;
}

.hero-register-trust span {
  display: flex;
  align-items: center;
  gap: 5px;
}

.hero-register-trust ion-icon {
  color: #10b981;
  font-size: 16px;
}

/* ==========================================================================
   POPUP MODAL ĐĂNG KÝ NHANH
   ========================================================================== */
.fpt-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.fpt-modal.active {
  display: flex;
  animation: fadeIn 0.25s ease-out;
}

.modal-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(4px);
}

.modal-dialog {
  position: relative;
  background: #ffffff;
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  z-index: 10;
  animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.modal-header {
  background: linear-gradient(135deg, #005baa 0%, #1e40af 100%);
  color: #ffffff;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top-left-radius: var(--radius-lg);
  border-top-right-radius: var(--radius-lg);
}

.modal-header h3 {
  color: #ffffff;
  font-size: 1.25rem;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.modal-close {
  background: none;
  border: none;
  color: #ffffff;
  font-size: 26px;
  cursor: pointer;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  transition: var(--transition);
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.2);
}

.modal-body {
  padding: 24px;
}

.modal-intro-text {
  font-size: 0.92rem;
  color: #475569;
  margin-bottom: 18px;
  line-height: 1.5;
}

/* ==========================================================================
   BUTTONS & PACKAGES ACTION GROUP
   ========================================================================== */
.card-actions-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.btn-choose-package {
  background: #f8fafc;
  color: var(--secondary);
  border: 1.5px solid var(--secondary);
  font-weight: 700;
  font-size: 0.92rem;
  padding: 8px 14px;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: var(--transition);
}

.btn-choose-package:hover {
  background: var(--secondary);
  color: #ffffff;
}

/* Form Alert Feedback */
.form-alert-success {
  background: #f0fdf4;
  border: 1px solid #86efac;
  border-radius: var(--radius-md);
  padding: 16px;
  margin-top: 15px;
  color: #166534;
  display: none;
}

.form-alert-success.show {
  display: block;
  animation: fadeIn 0.3s ease;
}

.form-alert-success h4 {
  color: #15803d;
  font-size: 1.05rem;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.form-alert-success p {
  font-size: 0.88rem;
  margin-bottom: 10px;
  line-height: 1.5;
}

.form-alert-success .btn-zalo-direct {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #0088ff;
  color: #ffffff;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
}

/* Mobile Bottom Bar 3 Buttons */
@media (max-width: 768px) {
  .mobile-bottom-bar {
    display: grid !important;
    grid-template-columns: 1fr 1.2fr 1fr;
    padding: 8px 8px;
  }
}

.m-btn-register {
  background: linear-gradient(135deg, #ea580c 0%, #f97316 100%);
  color: #ffffff;
}

.floating-btn.reg-btn {
  background: linear-gradient(135deg, #ea580c 0%, #f97316 100%);
  box-shadow: 0 4px 15px rgba(234, 88, 12, 0.4);
}