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

:root {
  /* =========================
     COLOR PALETTE - TÍM TRẦN CHỨNG KHOÁN
     ========================= */
  --color-purple-ceil: #C026D3;      /* Tím trần +7.00% */
  --color-purple-primary: #A855F7;   /* Tím chủ đạo sáng */
  --color-purple-light: #E879F9;     /* Tím highlight */
  --color-purple-dark: #7E22CE;      /* Tím đậm cho nền */
  --color-purple-glow: rgba(192, 38, 211, 0.45);
  --color-purple-subtle: rgba(168, 85, 247, 0.12);

  --color-bg-main: #07070D;          /* Nền chính siêu tối */
  --color-bg-section: #0B0A13;       /* Nền section */
  --color-card-bg: rgba(18, 16, 32, 0.75); /* Glassmorphism card */
  --color-card-border: rgba(192, 38, 211, 0.25);
  --color-card-border-hover: rgba(192, 38, 211, 0.65);

  --color-text-primary: #FFFFFF;
  --color-text-secondary: #94A3B8;
  --color-text-muted: #64748B;

  --color-success: #10B981;          /* Xanh tăng giá */
  --color-warning: #F59E0B;
  --color-danger: #EF4444;           /* Đỏ giảm giá */
  --color-cyan-accent: #06B6D4;

  /* =========================
     TYPOGRAPHY & SHADOWS
     ========================= */
  --font-heading: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --shadow-neon: 0 0 25px rgba(192, 38, 211, 0.35);
  --shadow-neon-lg: 0 0 45px rgba(192, 38, 211, 0.55);
  --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.5);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* =========================
   RESET & BASE STYLES
   ========================= */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  background-color: var(--color-bg-main);
  color: var(--color-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 15% 10%, rgba(192, 38, 211, 0.15) 0%, transparent 40%),
    radial-gradient(circle at 85% 60%, rgba(126, 34, 206, 0.12) 0%, transparent 45%),
    radial-gradient(circle at 50% 90%, rgba(168, 85, 247, 0.08) 0%, transparent 50%);
  background-attachment: fixed;
}

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

ul {
  list-style: none;
}

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

/* Container */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* =========================
   MARKET TICKER BANNER
   ========================= */
.market-ticker-wrap {
  width: 100%;
  background: linear-gradient(90deg, rgba(14, 13, 23, 0.95) 0%, rgba(26, 19, 45, 0.95) 50%, rgba(14, 13, 23, 0.95) 100%);
  border-bottom: 1px solid rgba(192, 38, 211, 0.25);
  overflow: hidden;
  position: relative;
  z-index: 100;
  height: 40px;
  display: flex;
  align-items: center;
}

.ticker-label {
  background: var(--color-purple-ceil);
  color: #fff;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.75rem;
  padding: 0 16px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 6px;
  z-index: 2;
  box-shadow: 5px 0 15px rgba(0,0,0,0.4);
  white-space: nowrap;
  letter-spacing: 0.5px;
}

.ticker-label .pulse-dot {
  width: 8px;
  height: 8px;
  background-color: #fff;
  border-radius: 50%;
  animation: pulse-light 1.2s infinite;
}

.ticker-content {
  display: flex;
  white-space: nowrap;
  animation: ticker-scroll 20s linear infinite;
  gap: 48px;
}

.ticker-wrap:hover .ticker-content {
  animation-play-state: paused;
}

.ticker-item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--color-text-secondary);
}

.quote-author {
  color: var(--color-purple-light);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: rgba(192, 38, 211, 0.18);
  border: 1px solid rgba(192, 38, 211, 0.45);
  padding: 3px 12px;
  border-radius: 9999px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  box-shadow: 0 0 10px rgba(192, 38, 211, 0.25);
}

.quote-text {
  color: #F8FAFC;
  font-weight: 500;
  font-style: italic;
  letter-spacing: 0.2px;
}

.ticker-item .symbol {
  color: var(--color-text-primary);
  font-weight: 700;
}

.ticker-item .ceil-badge {
  background: rgba(192, 38, 211, 0.2);
  color: var(--color-purple-light);
  border: 1px solid var(--color-purple-ceil);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  text-shadow: 0 0 8px var(--color-purple-glow);
}

@keyframes ticker-scroll {
  0% { transform: translate3d(0, 0, 0); }
  100% { transform: translate3d(-50%, 0, 0); }
}

@keyframes pulse-light {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.3); }
}

/* =========================
   NAVIGATION / HEADER
   ========================= */
.navbar {
  position: sticky;
  top: 0;
  z-index: 99;
  background: rgba(7, 7, 13, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 16px 0;
  transition: var(--transition);
}

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

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

.logo-icon {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-md);
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  box-shadow: 0 0 12px rgba(192, 38, 211, 0.3);
}

.logo-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: var(--radius-md);
  filter: drop-shadow(0 0 4px rgba(192, 38, 211, 0.4));
}

.logo-icon svg {
  width: 24px;
  height: 24px;
  color: #fff;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-text .brand-name {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(90deg, #FFFFFF 0%, var(--color-purple-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo-text .brand-tagline {
  font-size: 0.68rem;
  color: var(--color-text-secondary);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  font-weight: 600;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  position: relative;
  padding: 6px 0;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-purple-ceil);
  transition: width 0.3s ease;
  box-shadow: 0 0 8px var(--color-purple-ceil);
}

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

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

/* BUTTON STYLES */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-purple-ceil) 0%, var(--color-purple-dark) 100%);
  color: #fff;
  box-shadow: var(--shadow-neon);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-neon-lg);
  background: linear-gradient(135deg, #d834eb 0%, #8b2ee2 100%);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-secondary:hover {
  background: rgba(192, 38, 211, 0.15);
  border-color: var(--color-purple-ceil);
  transform: translateY(-2px);
}

/* Mobile toggle */
.menu-toggle {
  display: none;
  background: transparent;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
}

/* =========================
   HERO SECTION
   ========================= */
.hero {
  position: relative;
  padding: 80px 0 100px;
  overflow: hidden;
}

.hero-bg-glow {
  position: absolute;
  top: 10%;
  right: 5%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(192, 38, 211, 0.22) 0%, transparent 70%);
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}

.hero .container {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 60px;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(192, 38, 211, 0.15);
  border: 1px solid rgba(192, 38, 211, 0.4);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-purple-light);
  margin-bottom: 24px;
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-purple-ceil);
  box-shadow: 0 0 10px var(--color-purple-ceil);
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -1px;
}

.hero-title .highlight {
  background: linear-gradient(135deg, #FFFFFF 0%, var(--color-purple-light) 40%, var(--color-purple-ceil) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline;
}

.hero-desc {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  margin-bottom: 36px;
  max-width: 620px;
  line-height: 1.7;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-item h4 {
  font-family: var(--font-heading);
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--color-purple-light);
  margin-bottom: 4px;
}

.stat-item p {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}

/* HERO DASHBOARD CARD MOCKUP */
.hero-visual {
  position: relative;
}

.dashboard-mockup {
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-card), 0 0 50px rgba(192, 38, 211, 0.15);
  position: relative;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.mockup-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.mockup-header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.stock-tag {
  background: var(--color-purple-ceil);
  color: #fff;
  font-weight: 800;
  font-size: 0.9rem;
  padding: 4px 12px;
  border-radius: 6px;
  box-shadow: 0 0 12px var(--color-purple-glow);
}

.stock-name {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text-secondary);
}

.ceil-price {
  text-align: right;
}

.ceil-price .price {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--color-purple-light);
  text-shadow: 0 0 10px rgba(192, 38, 211, 0.5);
}

.ceil-price .change {
  font-size: 0.85rem;
  color: var(--color-purple-light);
  font-weight: 700;
}

/* Simulated Chart Bars */
.chart-container {
  height: 220px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 8px;
  padding: 16px 0;
  position: relative;
}

.chart-grid-line {
  position: absolute;
  left: 0;
  right: 0;
  border-top: 1px dashed rgba(255, 255, 255, 0.08);
}

.chart-grid-line:nth-child(1) { top: 20%; }
.chart-grid-line:nth-child(2) { top: 50%; }
.chart-grid-line:nth-child(3) { top: 80%; }

.candle-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  height: 100%;
  position: relative;
}

.candle-bar {
  width: 14px;
  border-radius: 4px 4px 0 0;
  transition: height 1s ease-in-out;
  position: relative;
}

.candle-bar.ceil {
  background: linear-gradient(180deg, var(--color-purple-light) 0%, var(--color-purple-ceil) 100%);
  box-shadow: 0 0 15px var(--color-purple-glow);
}

.candle-bar.up {
  background: linear-gradient(180deg, #34D399 0%, #10B981 100%);
}

.candle-bar.down {
  background: linear-gradient(180deg, #F87171 0%, #EF4444 100%);
}

.chart-footer {
  display: flex;
  justify-content: space-between;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.8rem;
  color: var(--color-text-secondary);
}

/* Floating badge over mockup */
.floating-badge {
  position: absolute;
  background: rgba(18, 16, 32, 0.9);
  border: 1px solid var(--color-purple-ceil);
  padding: 12px 18px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-neon);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 5;
  animation: float-y 4s ease-in-out infinite;
}

.floating-badge.top-right {
  top: -20px;
  right: -15px;
}

.floating-badge.bottom-left {
  bottom: -25px;
  left: -15px;
  animation-delay: 2s;
}

.floating-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--color-purple-ceil);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}

@keyframes float-y {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* =========================
   SECTION HEADER COMMON
   ========================= */
.section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 60px;
}

.section-subtitle {
  color: var(--color-purple-light);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 12px;
  display: block;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
}

/* =========================
   ABOUT SECTION
   ========================= */
.about-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.about-card {
  background: var(--color-card-bg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.about-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-purple-ceil) 0%, var(--color-purple-dark) 100%);
  opacity: 0;
  transition: var(--transition);
}

.about-card:hover {
  transform: translateY(-8px);
  border-color: var(--color-card-border-hover);
  box-shadow: var(--shadow-card), 0 0 25px rgba(192, 38, 211, 0.2);
}

.about-card:hover::before {
  opacity: 1;
}

.about-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: rgba(192, 38, 211, 0.15);
  border: 1px solid rgba(192, 38, 211, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-purple-light);
  margin-bottom: 24px;
  font-size: 1.5rem;
}

.about-card h3 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-text-primary);
}

.about-card p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Highlight Banner in About */
.about-banner {
  margin-top: 48px;
  background: linear-gradient(135deg, rgba(192, 38, 211, 0.15) 0%, rgba(126, 34, 206, 0.15) 100%);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  box-shadow: var(--shadow-neon);
}

.about-banner-text h3 {
  font-family: var(--font-heading);
  font-size: 1.65rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.about-banner-text p {
  color: var(--color-text-secondary);
  font-size: 1rem;
}

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

.service-card {
  background: var(--color-card-bg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: var(--color-purple-ceil);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5), 0 0 30px rgba(192, 38, 211, 0.25);
}

.service-num {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 800;
  color: rgba(192, 38, 211, 0.15);
  position: absolute;
  top: 20px;
  right: 24px;
  line-height: 1;
  transition: var(--transition);
}

.service-card:hover .service-num {
  color: rgba(192, 38, 211, 0.35);
  transform: scale(1.08);
}

.service-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(192, 38, 211, 0.2) 0%, rgba(126, 34, 206, 0.2) 100%);
  border: 1px solid var(--color-purple-ceil);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-purple-light);
  margin-bottom: 28px;
}

.service-icon svg {
  width: 32px;
  height: 32px;
}

.service-title {
  font-family: var(--font-heading);
  font-size: 1.65rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--color-text-primary);
}

.service-desc {
  color: var(--color-text-secondary);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 28px;
}

.service-list {
  margin-top: auto;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.service-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.service-list li svg {
  color: var(--color-purple-light);
  flex-shrink: 0;
}

/* =========================
   INVESTMENT STYLES INTERACTIVE WIDGET
   ========================= */
.investment-styles-container {
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-card);
}

.style-tabs {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.style-tab-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--color-text-secondary);
  padding: 14px 28px;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 10px;
}

.style-tab-btn.active, .style-tab-btn:hover {
  background: var(--color-purple-ceil);
  color: #fff;
  border-color: var(--color-purple-ceil);
  box-shadow: var(--shadow-neon);
}

.style-content-panel {
  display: none;
  animation: fade-in 0.4s ease;
}

.style-content-panel.active {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

@keyframes fade-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.style-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 32px;
  position: relative;
  transition: var(--transition);
}

.style-card:hover {
  border-color: rgba(192, 38, 211, 0.4);
  background: rgba(192, 38, 211, 0.05);
}

.style-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.style-card-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-purple-light);
}

.style-badge {
  background: rgba(192, 38, 211, 0.2);
  color: var(--color-purple-light);
  border: 1px solid var(--color-purple-ceil);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
}

.style-card-desc {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  margin-bottom: 24px;
  line-height: 1.6;
}

.style-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 16px;
}

.spec-item .label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  font-weight: 600;
}

.spec-item .value {
  font-size: 0.95rem;
  color: var(--color-text-primary);
  font-weight: 600;
}

/* =========================
   CONSULTATION FORM SECTION
   ========================= */
.form-section {
  background: linear-gradient(180deg, var(--color-bg-main) 0%, #0F0D1B 100%);
  position: relative;
}

.form-wrapper {
  max-width: 860px;
  margin: 0 auto;
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  box-shadow: var(--shadow-card), var(--shadow-neon-lg);
  position: relative;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.form-title-area {
  text-align: center;
  margin-bottom: 40px;
}

.form-title-area h3 {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.form-title-area p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

/* Form Groups & Grids */
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.form-group.full-width {
  grid-column: span 2;
}

.form-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.form-label .required {
  color: var(--color-purple-ceil);
  margin-left: 4px;
}

.form-control {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  color: var(--color-text-primary);
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--color-purple-ceil);
  box-shadow: 0 0 15px rgba(192, 38, 211, 0.25);
  background: rgba(0, 0, 0, 0.5);
}

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

/* Custom Radio / Gender */
.gender-options {
  display: flex;
  gap: 24px;
  padding: 10px 0;
}

.radio-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 0.95rem;
  color: var(--color-text-secondary);
}

.radio-label input[type="radio"] {
  appearance: none;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  position: relative;
  cursor: pointer;
  transition: var(--transition);
}

.radio-label input[type="radio"]:checked {
  border-color: var(--color-purple-ceil);
  background: rgba(192, 38, 211, 0.15);
}

.radio-label input[type="radio"]:checked::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-purple-ceil);
  box-shadow: 0 0 8px var(--color-purple-ceil);
}

.radio-label:hover input[type="radio"] {
  border-color: var(--color-purple-light);
}

/* Custom Checkbox Categories (Loại hình đầu tư) */
.investment-categories {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 8px;
}

.category-box {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: var(--transition);
}

.category-box:hover {
  border-color: rgba(192, 38, 211, 0.3);
  background: rgba(192, 38, 211, 0.04);
}

.category-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-purple-light);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  gap: 8px;
}

.checkbox-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.checkbox-item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: 0.925rem;
  color: var(--color-text-secondary);
  transition: var(--transition);
}

.checkbox-item:hover {
  color: var(--color-text-primary);
}

.checkbox-item input[type="checkbox"] {
  appearance: none;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.25);
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  transition: var(--transition);
  flex-shrink: 0;
}

.checkbox-item input[type="checkbox"]:checked {
  background: var(--color-purple-ceil);
  border-color: var(--color-purple-ceil);
  box-shadow: 0 0 10px var(--color-purple-glow);
}

.checkbox-item input[type="checkbox"]:checked::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 800;
}

/* Submit Button & Status */
.form-submit-area {
  margin-top: 32px;
  text-align: center;
}

.btn-submit {
  width: 100%;
  max-width: 380px;
  padding: 16px 32px;
  font-size: 1.1rem;
}

.form-note {
  margin-top: 16px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.form-error-msg {
  color: var(--color-danger);
  font-size: 0.85rem;
  margin-top: 8px;
  display: none;
  text-align: center;
}

/* =========================
   MODAL (SUCCESS NOTIFICATION)
   ========================= */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  padding: 24px;
}

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

.modal-box {
  background: #110E20;
  border: 1px solid var(--color-purple-ceil);
  border-radius: var(--radius-lg);
  padding: 40px;
  max-width: 480px;
  width: 100%;
  text-align: center;
  box-shadow: var(--shadow-neon-lg);
  transform: scale(0.9);
  transition: var(--transition);
}

.modal-overlay.active .modal-box {
  transform: scale(1);
}

.modal-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(192, 38, 211, 0.2);
  border: 2px solid var(--color-purple-ceil);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  color: var(--color-purple-light);
  font-size: 2rem;
  box-shadow: var(--shadow-neon);
}

.modal-title {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: #fff;
}

.modal-desc {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  margin-bottom: 28px;
  line-height: 1.6;
}

/* =========================
   CONTACT / HOTLINE CARDS SECTION
   ========================= */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 60px;
}

.contact-card {
  background: var(--color-card-bg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: var(--transition);
}

.contact-card:hover {
  border-color: var(--color-purple-ceil);
  transform: translateY(-5px);
  box-shadow: var(--shadow-neon);
}

.contact-card-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(192, 38, 211, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-purple-light);
  margin: 0 auto 16px;
}

.contact-card h4 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.contact-card .phone-number {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--color-purple-light);
  display: block;
  margin-bottom: 16px;
  text-shadow: 0 0 10px rgba(192, 38, 211, 0.3);
}

/* =========================
   FLOATING ACTION BUTTONS
   ========================= */
.floating-hotlines {
  position: fixed;
  bottom: 28px;
  right: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 900;
}

.float-btn {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-purple-ceil) 0%, var(--color-purple-dark) 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-neon);
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}

.float-btn:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-neon-lg);
}

.float-btn-zalo {
  background: linear-gradient(135deg, #0068FF 0%, #0045B8 100%);
  box-shadow: 0 0 20px rgba(0, 104, 255, 0.45);
}

.float-btn-zalo:hover {
  background: linear-gradient(135deg, #2b84ff 0%, #0056e0 100%);
  box-shadow: 0 0 30px rgba(0, 104, 255, 0.75);
}

.zalo-text {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 0.9rem;
  letter-spacing: 0.5px;
}

.float-btn .tooltip {
  position: absolute;
  right: 68px;
  background: #110E20;
  color: #fff;
  border: 1px solid var(--color-purple-ceil);
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  box-shadow: 0 5px 15px rgba(0,0,0,0.5);
}

.float-btn:hover .tooltip {
  opacity: 1;
  visibility: visible;
}

/* =========================
   FOOTER
   ========================= */
.footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 48px 0 32px;
  background: #050508;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--color-purple-light);
}

.footer-bottom {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* =========================
   RESPONSIVE DESIGN
   ========================= */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-title { font-size: 2.6rem; }
  .hero-desc { margin: 0 auto 36px; }
  .hero-cta-group { justify-content: center; }
  .about-grid, .services-grid, .contact-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 74px;
    left: 0;
    width: 100%;
    background: rgba(10, 10, 18, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 32px;
    gap: 20px;
    border-bottom: 1px solid rgba(192, 38, 211, 0.3);
    transform: translateY(-150%);
    transition: transform 0.35s ease;
  }
  .nav-links.active {
    transform: translateY(0);
  }
  .menu-toggle {
    display: block;
  }
  /* 1. Fix Navbar Overlap on Mobile */
  .brand-tagline {
    display: none; /* Ẩn tagline trên mobile để tên thương hiệu không bị đè vào nút CTA */
  }
  .nav-actions .btn-primary {
    padding: 6px 12px;
    font-size: 0.8rem;
  }
  .nav-actions .btn-secondary {
    display: none; /* Ẩn nút phụ Đăng Nhập App trên thanh header mobile để tiết kiệm diện tích */
  }

  /* 2. Fix Hero CTA Buttons & Quick Lead Box on Mobile */
  .hero-title { font-size: 2.1rem; }
  .hero-cta-group {
    flex-direction: column;
    width: 100%;
    gap: 12px;
  }
  .hero-cta-group .btn {
    width: 100%;
    justify-content: center;
  }
  .hero-quick-lead {
    padding: 18px 16px !important;
  }

  /* 3. Fix Layout Grids on Mobile */
  .about-grid, .services-grid, .contact-grid, .style-content-panel.active, .form-grid, .investment-categories {
    grid-template-columns: 1fr;
  }
  .form-wrapper {
    padding: 36px 20px;
  }
  .hero-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
  }
  .stat-item {
    padding: 12px 6px;
  }
  .stat-item h4 {
    font-size: 1.25rem;
  }
  .stat-item p {
    font-size: 0.75rem;
  }
  .about-banner {
    flex-direction: column;
    text-align: center;
  }

  /* 4. Fix Floating Buttons on Mobile so they don't cover content */
  .floating-hotlines {
    bottom: 16px;
    right: 12px;
    gap: 10px;
  }
  .float-btn {
    width: 44px;
    height: 44px;
  }
  .float-btn svg {
    width: 20px;
    height: 20px;
  }
  .zalo-text {
    font-size: 0.75rem;
  }
  .float-btn .tooltip {
    display: none; /* Ẩn tooltip khi di chuột trên thiết bị cảm ứng touch */
  }
}

@media (max-width: 480px) {
  /* Ultra-compact Mobile (< 480px) */
  .hero-title {
    font-size: 1.8rem;
  }
  .hero-stats {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .stat-item {
    padding: 14px 10px;
  }
  .nav-actions .btn-primary {
    padding: 6px 10px;
    font-size: 0.75rem;
  }
  .logo-text .brand-name {
    font-size: 1.15rem;
  }
  .form-wrapper {
    padding: 24px 14px;
  }
  .modal-box {
    padding: 28px 18px;
  }
}