/* ==========================================================================
   VÂN ANH DIGITAL - BROKER ULTIMATE LANDING PAGE
   Design System: Deep Cyber Black (#0A0A0A), Electric Cyan (#00E5FF), Neon Pink (#FF2D95)
   ========================================================================== */

:root {
  --bg-dark: #07080B;
  --bg-card: #0F131D;
  --bg-card-hover: #151A27;
  --bg-input: #090C12;
  
  --color-cyan: #00E5FF;
  --color-cyan-glow: rgba(0, 229, 255, 0.45);
  --color-blue-deep: #007BA7;
  --color-pink: #FF2D95;
  --color-pink-glow: rgba(255, 45, 149, 0.45);

  --text-main: #FFFFFF;
  --text-secondary: #CBD5E1;
  --text-muted: #94A3B8;

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-cyan: rgba(0, 229, 255, 0.35);
  --border-pink: rgba(255, 45, 149, 0.35);

  --gradient-neon: linear-gradient(135deg, #00E5FF 0%, #FF2D95 100%);
  --gradient-btn: linear-gradient(135deg, #00E5FF 0%, #007BA7 45%, #FF2D95 100%);
  --gradient-glass: linear-gradient(180deg, rgba(255, 255, 255, 0.04) 0%, rgba(255, 255, 255, 0.01) 100%);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Space Grotesk', 'Plus Jakarta Sans', sans-serif;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-main);
}

body {
  overflow-x: hidden;
  line-height: 1.6;
  background-color: var(--bg-dark);
  -webkit-font-smoothing: antialiased;
}

section {
  scroll-margin-top: 85px;
}

#orderForm {
  scroll-margin-top: 120px;
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* Typography & Glow */
.text-cyan { color: var(--color-cyan) !important; }
.text-pink { color: var(--color-pink) !important; }
.text-glow-cyan {
  text-shadow: 0 0 25px rgba(0, 229, 255, 0.65), 0 0 10px rgba(0, 229, 255, 0.45);
}
.text-glow-pink {
  text-shadow: 0 0 25px rgba(255, 45, 149, 0.65), 0 0 10px rgba(255, 45, 149, 0.45);
}
.text-gradient {
  background: var(--gradient-neon);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}
.highlight-pink {
  color: var(--color-pink);
  font-weight: 700;
}

/* Ambient Glow */
.ambient-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
}
.cyan-glow {
  top: 5%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.14) 0%, rgba(0,0,0,0) 70%);
}
.pink-glow {
  top: 15%;
  right: -10%;
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, rgba(255, 45, 149, 0.14) 0%, rgba(0,0,0,0) 70%);
}
.cyan-glow-bottom {
  bottom: 10%;
  left: -5%;
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.12) 0%, rgba(0,0,0,0) 70%);
}
.pink-glow-bottom {
  bottom: 5%;
  right: -5%;
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, rgba(255, 45, 149, 0.12) 0%, rgba(0,0,0,0) 70%);
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(0, 229, 255, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 229, 255, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 1;
}

/* Badges */
.pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(0, 229, 255, 0.06);
  border: 1px solid var(--border-cyan);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--color-cyan);
  margin-bottom: 18px;
  text-transform: uppercase;
  box-shadow: 0 0 18px rgba(0, 229, 255, 0.2);
}
.pill-badge.pink-border {
  background: rgba(255, 45, 149, 0.06);
  border-color: var(--border-pink);
  color: var(--color-pink);
  box-shadow: 0 0 18px rgba(255, 45, 149, 0.2);
}
.pill-badge.cyan-border {
  background: rgba(0, 229, 255, 0.06);
  border-color: var(--border-cyan);
  color: var(--color-cyan);
}
.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--color-cyan);
  box-shadow: 0 0 8px var(--color-cyan);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 13px 26px;
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: all 0.25s ease;
  cursor: pointer;
  border: none;
  outline: none;
  position: relative;
  overflow: hidden;
  min-height: 48px;
}
.btn-primary-gradient {
  background: var(--gradient-btn);
  color: #FFFFFF;
}
.btn-glow {
  box-shadow: 0 4px 22px rgba(0, 229, 255, 0.4), 0 0 15px rgba(255, 45, 149, 0.3);
}
.btn-primary-gradient:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(0, 229, 255, 0.55), 0 0 25px rgba(255, 45, 149, 0.45);
}
.btn-arrow-circle {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.25s ease;
}
.btn-primary-gradient:hover .btn-arrow-circle {
  transform: translateX(4px);
}
.btn-outline-cyan {
  background: rgba(0, 229, 255, 0.05);
  border: 1px solid var(--color-cyan);
  color: var(--color-cyan);
}
.btn-outline-cyan:hover {
  background: rgba(0, 229, 255, 0.15);
  box-shadow: 0 0 18px var(--color-cyan-glow);
  transform: translateY(-2px);
}
.btn-block { width: 100%; }
.btn-lg {
  padding: 16px 30px;
  font-size: 1.05rem;
  min-height: 52px;
}

/* Top Bar */
.top-bar {
  background: linear-gradient(90deg, #07090E 0%, #17091B 50%, #07090E 100%);
  border-bottom: 1px solid rgba(255, 45, 149, 0.25);
  padding: 8px 0;
  font-size: 0.82rem;
  color: var(--text-secondary);
  position: relative;
  z-index: 100;
}
.top-bar-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}
.top-bar-badge {
  background: var(--color-pink);
  color: #FFFFFF;
  font-size: 0.7rem;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
}
.top-bar-link {
  color: var(--color-cyan);
  text-decoration: none;
  font-weight: 700;
}
.top-bar-link:hover { text-decoration: underline; }

/* Header & Nav */
.header {
  position: sticky;
  top: 0;
  background: rgba(7, 8, 11, 0.88);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 99;
  padding: 14px 0;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.brand-logo-img {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  object-fit: cover;
  border: 1px solid var(--border-cyan);
  box-shadow: 0 0 16px rgba(0, 229, 255, 0.28);
  display: block;
  flex-shrink: 0;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.brand-logo:hover .brand-logo-img {
  transform: scale(1.05);
  box-shadow: 0 0 22px rgba(0, 229, 255, 0.45);
}
.logo-symbol {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(0, 229, 255, 0.08);
  border: 1px solid var(--border-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 15px rgba(0, 229, 255, 0.2);
}
.logo-text { display: flex; flex-direction: column; }
.logo-title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: 0.04em;
  color: #FFFFFF;
  line-height: 1.1;
}
.logo-sub {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-cyan);
  text-transform: uppercase;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 18px;
}
.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.84rem;
  font-weight: 600;
  transition: color 0.2s ease;
  position: relative;
}
.nav-link:hover { color: var(--color-cyan); }
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-cyan);
  transition: width 0.2s ease;
}
.nav-link:hover::after { width: 100%; }

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.header-btn {
  padding: 8px 18px;
  font-size: 0.82rem;
  min-height: 38px;
}
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: #FFFFFF;
  transition: all 0.3s;
}

/* SECTION 01 — HERO */
.hero-section {
  position: relative;
  padding: 60px 0 80px;
  overflow: hidden;
}
.hero-container {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: center;
  position: relative;
  z-index: 2;
}
.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.product-identity-block {
  margin-bottom: 16px;
}
.product-commercial-name {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--color-cyan);
  text-shadow: 0 0 15px rgba(0, 229, 255, 0.4);
}
.product-mandatory-desc {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-pink);
  margin-top: 6px;
  line-height: 1.5;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 2.8vw, 2.4rem);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.02em;
  margin-bottom: 18px;
  color: #FFFFFF;
}
.hero-title-line {
  display: block;
  text-wrap: balance;
}
.hero-desc {
  font-size: 1.02rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 22px;
}

.hero-price-tag {
  display: flex;
  flex-direction: column;
  gap: 2px;
  background: rgba(0, 229, 255, 0.05);
  border-left: 3px solid var(--color-cyan);
  padding: 10px 16px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: 24px;
}
.price-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 700;
}
.price-number {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--color-cyan);
  text-shadow: 0 0 15px rgba(0, 229, 255, 0.4);
}

.hero-highlights {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
}
.highlight-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--text-secondary);
}
.check-icon {
  width: 18px;
  height: 18px;
  color: var(--color-cyan);
  flex-shrink: 0;
}
.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* Hero Cyber Dashboard */
.hero-visual { position: relative; }
.cyber-card {
  background: var(--bg-card);
  border: 1px solid var(--border-cyan);
  border-radius: var(--radius-lg);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.7), 0 0 35px rgba(0, 229, 255, 0.2);
  overflow: hidden;
  backdrop-filter: blur(10px);
}
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  background: rgba(0, 0, 0, 0.5);
  border-bottom: 1px solid var(--border-subtle);
}
.card-dots { display: flex; gap: 6px; }
.card-dots .dot { width: 10px; height: 10px; border-radius: 50%; }
.dot.red { background: #FF5F56; }
.dot.yellow { background: #FFBD2E; }
.dot.green { background: #27C93F; }
.card-title-bar {
  font-family: monospace;
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}
.card-status-badge {
  font-size: 0.65rem;
  font-weight: 800;
  padding: 2px 6px;
  background: rgba(0, 229, 255, 0.15);
  color: var(--color-cyan);
  border: 1px solid var(--border-cyan);
  border-radius: 4px;
}
.card-body { padding: 24px; }
.blueprint-summary { margin-bottom: 18px; }
.blueprint-tag {
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--color-pink);
  margin-bottom: 4px;
}
.blueprint-title { font-size: 1.2rem; line-height: 1.3; color: #FFFFFF; }

.funnel-steps {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.funnel-step {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}
.funnel-step:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(0, 229, 255, 0.3);
}
.step-num {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--color-cyan);
  width: 28px;
}
.funnel-step:nth-child(2) .step-num,
.funnel-step:nth-child(4) .step-num {
  color: var(--color-pink);
}
.step-info { flex: 1; }
.step-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 2px;
}
.step-desc {
  font-size: 0.8rem;
  line-height: 1.45;
  color: var(--text-secondary);
}

/* Sections Common */
.section {
  padding: 80px 0;
  position: relative;
}
.section-header { margin-bottom: 48px; }
.section-header.text-center {
  text-align: center;
  max-width: 820px;
  margin-left: auto;
  margin-right: auto;
}
.section-title {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
  color: #FFFFFF;
}
.section-subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* SECTION — AI PHÙ HỢP */
.section-target .section-title {
  font-size: clamp(1.7rem, 2.6vw, 2.1rem);
}
.section-target .section-subtitle {
  max-width: 680px;
  margin: 0 auto;
}
.target-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}
.target-card {
  display: flex;
  flex-direction: column;
  padding: 28px 26px;
  background: var(--bg-card);
  border: 1px solid var(--border-cyan);
  border-radius: var(--radius-lg);
}
.target-card-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  margin-bottom: 18px;
}
.target-card-icon.icon-cyan {
  color: var(--color-cyan);
  background: rgba(0, 229, 255, 0.08);
}
.target-card-icon.icon-pink {
  color: var(--color-pink);
  background: rgba(255, 45, 149, 0.08);
}
.target-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  line-height: 1.3;
  color: #FFFFFF;
  margin-bottom: 16px;
}
.target-issues {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 0 0 20px;
  padding: 0;
}
.target-issues li {
  position: relative;
  padding-left: 18px;
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--text-secondary);
}
.target-issues li::before {
  content: '';
  position: absolute;
  left: 2px;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-pink);
}
.target-wish {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: auto;
  padding: 14px;
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.5;
  color: #FFFFFF;
  background: rgba(0, 229, 255, 0.07);
  border-radius: var(--radius-sm);
}
.target-wish-icon {
  width: 18px;
  height: 18px;
  margin-top: 3px;
  color: var(--color-cyan);
  flex-shrink: 0;
}
.exclusion-box {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  max-width: 900px;
  margin: 48px auto 0;
  padding: 26px 28px;
  background: #160E18;
  border: 1px solid rgba(255, 45, 149, 0.6);
  border-radius: var(--radius-md);
}
.exclusion-icon {
  font-size: 1.8rem;
  line-height: 1.2;
  flex-shrink: 0;
}
.exclusion-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  line-height: 1.35;
  color: var(--color-pink);
  margin-bottom: 8px;
}
.exclusion-content p {
  font-size: 0.98rem;
  line-height: 1.6;
  color: var(--text-secondary);
}
@media (max-width: 992px) {
  .target-grid { grid-template-columns: minmax(0, 1fr); gap: 18px; }
}
@media (max-width: 480px) {
  .section-target .section-title { font-size: 1.5rem; }
  .target-card { padding: 24px 20px; }
  .exclusion-box { flex-direction: column; gap: 10px; padding: 22px 20px; margin-top: 36px; }
}

/* SECTION 02 — BÀI TOÁN MÔI GIỚI (4 Problems Grid) */
.section-problems {
  background: linear-gradient(180deg, var(--bg-dark) 0%, #0C0F17 100%);
}
.problems-grid-4 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 30px;
  position: relative;
  transition: all 0.25s ease;
}
.problem-card:hover {
  border-color: rgba(255, 45, 149, 0.4);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 20px rgba(255, 45, 149, 0.15);
}
.problem-number {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: rgba(255, 45, 149, 0.35);
  line-height: 1;
  margin-bottom: 12px;
}
.problem-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 12px;
  line-height: 1.35;
}
.problem-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* SECTION 03 — VẤN ĐỀ KHÔNG CHỈ LÀ TÌM THÊM KHÁCH */
.section-systemic {
  background: var(--bg-dark);
}
.systemic-card {
  background: linear-gradient(180deg, rgba(15, 19, 29, 0.9) 0%, rgba(10, 13, 20, 0.95) 100%);
  border: 1px solid var(--border-cyan);
  border-radius: var(--radius-lg);
  padding: 44px 36px;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.6), 0 0 30px rgba(0, 229, 255, 0.1);
}
.systemic-subtitle {
  font-size: 1.02rem;
  color: var(--text-secondary);
  max-width: 800px;
  margin: 0 auto 36px;
  line-height: 1.65;
}
.systemic-breakdown-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 30px;
}
.systemic-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px;
}
.sys-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}
.sys-content h4 {
  font-size: 1rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 6px;
}
.sys-content p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.55;
}
.systemic-conclusion {
  background: rgba(0, 229, 255, 0.08);
  border: 1px solid var(--border-cyan);
  border-radius: var(--radius-md);
  padding: 18px 24px;
  text-align: center;
}
.conclusion-text {
  font-size: 0.95rem;
  color: #FFFFFF;
}

/* SECTION 04 — MÔ HÌNH VẬN HÀNH */
.section-framework {
  background: linear-gradient(180deg, #0C0F17 0%, var(--bg-dark) 100%);
}
.flow-diagram {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 30px;
  flex-wrap: wrap;
}
.flow-stage {
  flex: 1;
  min-width: 220px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  text-align: center;
  transition: all 0.25s ease;
}
.flow-stage:hover {
  border-color: var(--border-cyan);
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0, 229, 255, 0.1);
}
.flow-badge {
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.flow-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 10px;
}
.flow-desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
}
.flow-arrow {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--color-pink);
  flex-shrink: 0;
}
.framework-note {
  max-width: 900px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.02);
  border-left: 3px solid var(--color-pink);
  padding: 14px 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* SECTION 05 — BỐN TRỤ CỘT GIÁ TRỊ */
.section-pillars {
  background: var(--bg-dark);
}
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.pillar-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 30px;
  transition: all 0.3s ease;
}
.pillar-card:hover {
  border-color: var(--border-cyan);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6), 0 0 20px rgba(0, 229, 255, 0.1);
}
.pillar-card.highlight-card {
  border-color: var(--border-pink);
  box-shadow: 0 0 25px rgba(255, 45, 149, 0.12);
}
.pillar-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.pillar-tag {
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  padding: 3px 10px;
  border-radius: var(--radius-full);
}
.tag-cyan {
  background: rgba(0, 229, 255, 0.1);
  color: var(--color-cyan);
  border: 1px solid var(--border-cyan);
}
.tag-pink {
  background: rgba(255, 45, 149, 0.1);
  color: var(--color-pink);
  border: 1px solid var(--border-pink);
}
.pillar-scope {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}
.pillar-title {
  font-size: 1.3rem;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 20px;
}
.pillar-qa {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.qa-item {
  background: rgba(0, 0, 0, 0.3);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.04);
}
.qa-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #FFFFFF;
  margin-bottom: 4px;
}
.qa-text {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* SECTION 06 — BẠN NHẬN ĐƯỢC GÌ */
.section-deliverables {
  background: linear-gradient(180deg, #0C0F17 0%, var(--bg-dark) 100%);
}
.deliverables-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 30px;
}
.deliverable-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 28px;
}
.d-icon { font-size: 1.8rem; margin-bottom: 12px; }
.d-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 14px;
}
.d-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.d-list li {
  position: relative;
  padding-left: 20px;
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.55;
}
.d-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-cyan);
  font-weight: 800;
}

.boundary-notice {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: rgba(255, 45, 149, 0.06);
  border: 1px solid var(--border-pink);
  border-radius: var(--radius-md);
  padding: 20px 24px;
}
.boundary-icon { font-size: 1.5rem; flex-shrink: 0; }
.boundary-text {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* SECTION 07 — COMPARE TABLE */
.section-compare {
  background: var(--bg-dark);
}
.compare-table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  -webkit-overflow-scrolling: touch;
}
.compare-table {
  width: 100%;
  min-width: 650px;
  border-collapse: collapse;
  text-align: left;
}
.compare-table th {
  padding: 18px 24px;
  font-size: 0.9rem;
  font-weight: 800;
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(0, 0, 0, 0.4);
}
.compare-table td {
  padding: 18px 24px;
  font-size: 0.95rem;
  border-bottom: 1px solid var(--border-subtle);
  line-height: 1.5;
}
.col-criteria { width: 25%; color: #FFFFFF; }
.col-traditional {
  width: 37.5%;
  color: var(--text-muted);
  background: rgba(0, 0, 0, 0.15);
}
.col-empire {
  width: 37.5%;
  color: var(--text-secondary);
  background: rgba(0, 229, 255, 0.03);
  border-left: 1px solid var(--border-cyan);
}
.cross { color: #EF4444; font-weight: 800; margin-right: 6px; }
.check { color: var(--color-cyan); font-weight: 800; margin-right: 6px; }

.compare-table tbody tr:last-child td { border-bottom: none; }
@media (max-width: 768px) {
  .compare-table-wrapper { overflow-x: visible; }
  .compare-table,
  .compare-table tbody,
  .compare-table tr,
  .compare-table td { display: block; width: 100%; min-width: 0; }
  .compare-table thead { display: none; }
  .compare-table tbody tr { border-bottom: 1px solid var(--border-cyan); }
  .compare-table tbody tr:last-child { border-bottom: none; }
  .compare-table td { padding: 14px 18px; }
  .compare-table td.col-criteria {
    font-size: 1.02rem;
    background: rgba(0, 0, 0, 0.4);
    border-bottom: 1px solid var(--border-subtle);
  }
  .compare-table td.col-empire { border-left: none; border-bottom: none; }
  .compare-table td[data-label]::before {
    content: attr(data-label);
    display: block;
    margin-bottom: 6px;
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.03em;
    color: var(--text-muted);
  }
  .compare-table td.col-empire::before { color: var(--color-cyan); }
}

.pillar-tag {
  font-size: 0.72rem;
  font-weight: 800;
  padding: 4px 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
}

/* SECTION — CASE STUDY THỰC TẾ */
.section-cases .section-title {
  font-size: clamp(1.7rem, 2.6vw, 2.1rem);
}
.section-cases .section-subtitle {
  max-width: 760px;
  margin: 0 auto;
}
.case-gallery {
  column-count: 4;
  column-gap: 18px;
}
.case-item {
  break-inside: avoid;
  margin: 0 0 18px;
  background: var(--bg-card);
  border: 1px solid var(--border-cyan);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.case-item img {
  display: block;
  width: 100%;
  height: auto;
}
@media (max-width: 992px) {
  .case-gallery { column-count: 3; }
}
@media (max-width: 768px) {
  .case-gallery { column-count: 2; column-gap: 12px; }
  .case-item { margin-bottom: 12px; }
}
@media (max-width: 480px) {
  .section-cases .section-title { font-size: 1.5rem; }
}

/* SECTION 09 — LỜI CHÀO BÁN & ORDER FORM */
.section-register {
  background: var(--bg-dark);
  position: relative;
  overflow: hidden;
}
.register-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
  position: relative;
  z-index: 2;
}
.register-intro { display: flex; flex-direction: column; }
.register-title {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 6px;
}
.register-sub-desc {
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--color-pink);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.register-desc {
  font-size: 0.98rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 24px;
}

.order-recap-box {
  background: var(--bg-card);
  border: 1px solid var(--border-cyan);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}
.recap-header {
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--color-cyan);
  letter-spacing: 0.08em;
  margin-bottom: 14px;
}
.recap-item {
  display: flex;
  justify-content: space-between;
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}
.recap-divider {
  height: 1px;
  background: var(--border-subtle);
  margin: 14px 0;
}
.recap-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 800;
  font-size: 1.05rem;
  color: #FFFFFF;
  margin-bottom: 10px;
}
.total-price {
  font-size: 1.5rem;
  font-family: var(--font-heading);
}
.recap-note {
  font-size: 0.75rem;
  color: var(--color-cyan);
  line-height: 1.4;
}

/* Order Form Card */
.register-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-cyan);
  border-radius: var(--radius-lg);
  padding: 34px;
  box-shadow: 0 15px 45px rgba(0, 0, 0, 0.7), 0 0 35px rgba(0, 229, 255, 0.15);
}
.form-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 6px;
}
.form-subtitle {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 18px;
}
.form-feedback {
  display: none;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  margin-bottom: 16px;
  line-height: 1.4;
}
.form-feedback.error {
  display: block;
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid #EF4444;
  color: #FCA5A5;
}
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 6px;
}
.req { color: var(--color-pink); }
.form-group input,
.form-group select {
  width: 100%;
  padding: 13px 16px;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: #FFFFFF;
  font-size: 0.92rem;
  font-family: var(--font-main);
  transition: all 0.2s ease;
  min-height: 48px;
}
.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-cyan);
  box-shadow: 0 0 12px var(--color-cyan-glow);
}
.form-group select option {
  background: #090C12;
  color: #FFFFFF;
}
.form-privacy-note {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: 14px;
  line-height: 1.4;
}

/* SECTION 10 — FAQ & FINAL ACTION */
.section-faq {
  background: linear-gradient(180deg, var(--bg-dark) 0%, #0C0F17 100%);
}
.faq-container { max-width: 860px; }
.accordion {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 50px;
}
.accordion-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all 0.2s ease;
}
.accordion-item.active {
  border-color: rgba(0, 229, 255, 0.45);
}
.accordion-trigger {
  width: 100%;
  background: none;
  border: none;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  text-align: left;
  cursor: pointer;
  color: #FFFFFF;
}
.accordion-title {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.4;
}
.accordion-icon {
  width: 20px;
  height: 20px;
  position: relative;
  flex-shrink: 0;
}
.accordion-icon::before,
.accordion-icon::after {
  content: '';
  position: absolute;
  background-color: var(--color-cyan);
  transition: transform 0.25s ease;
}
.accordion-icon::before {
  top: 9px;
  left: 2px;
  width: 16px;
  height: 2px;
}
.accordion-icon::after {
  top: 2px;
  left: 9px;
  width: 2px;
  height: 16px;
}
.accordion-item.active .accordion-icon::after {
  transform: rotate(90deg);
  opacity: 0;
}
.accordion-content {
  padding: 0 24px 22px;
  display: none;
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.65;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}
.accordion-item.active .accordion-content { display: block; }

/* Final Action Box */
.final-cta-card {
  max-width: 820px;
  margin: 0 auto;
  background: radial-gradient(circle at 50% 50%, rgba(255, 45, 149, 0.08), rgba(0, 229, 255, 0.05), transparent 70%), var(--bg-card);
  border: 1px solid var(--border-cyan);
  border-radius: var(--radius-lg);
  padding: 48px 30px;
  text-align: center;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
}
.final-title {
  font-family: var(--font-heading);
  font-size: 2.1rem;
  font-weight: 800;
  margin-bottom: 12px;
}
.final-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 26px;
}
.final-btn-wrap { margin-bottom: 20px; }
.final-badges {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  font-size: 0.8rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

/* Footer */
.footer {
  background: #050608;
  border-top: 1px solid var(--border-subtle);
  padding: 60px 0 30px;
}
.footer-container {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 30px;
  margin-bottom: 40px;
}
.footer-brand-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.footer-logo-img {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  object-fit: cover;
  border: 1px solid var(--border-cyan);
  box-shadow: 0 0 14px rgba(0, 229, 255, 0.22);
  display: block;
  flex-shrink: 0;
}
.footer-tagline {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 12px 0 16px;
  line-height: 1.5;
}
.footer-pill {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-cyan);
  background: rgba(0, 229, 255, 0.05);
  border: 1px solid var(--border-cyan);
  padding: 4px 10px;
  border-radius: var(--radius-full);
}
.footer-heading {
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 800;
  color: #FFFFFF;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}
.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--color-cyan); }
.footer-contact-text {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 10px;
}
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 24px;
  font-size: 0.75rem;
  color: var(--text-muted);
}
.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.footer-disclaimer {
  max-width: 650px;
  text-align: right;
  line-height: 1.4;
}

/* Modal Checkout */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-overlay.active { display: flex; }
.modal-box {
  background: var(--bg-card);
  border: 1px solid var(--border-cyan);
  border-radius: var(--radius-lg);
  max-width: 540px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.9), 0 0 45px rgba(0, 229, 255, 0.25);
  padding: 30px;
}
.modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
  background: none;
  border: none;
  font-size: 1.8rem;
  color: var(--text-muted);
  cursor: pointer;
  line-height: 1;
}
.modal-close:hover { color: #FFFFFF; }
.modal-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 800;
  background: rgba(39, 201, 63, 0.15);
  color: #27C93F;
  border: 1px solid #27C93F;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  margin-bottom: 8px;
}
.modal-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 6px;
}
.modal-subtitle {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 20px;
}
.qr-payment-card {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
}
.qr-container { display: flex; flex-direction: column; align-items: center; }
.qr-placeholder { position: relative; display: flex; flex-direction: column; align-items: center; }
.qr-overlay-text {
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--color-cyan);
  margin-top: 8px;
}
.bank-details {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.85rem;
  background: rgba(255, 255, 255, 0.02);
  padding: 12px;
  border-radius: var(--radius-sm);
}
.bank-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.b-label { color: var(--text-muted); }
.b-val { color: #FFFFFF; }
.copy-btn {
  font-size: 0.72rem;
  font-weight: 700;
  background: rgba(0, 229, 255, 0.1);
  color: var(--color-cyan);
  border: 1px solid var(--border-cyan);
  padding: 4px 10px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s ease;
}
.copy-btn:hover {
  background: var(--color-cyan);
  color: #000;
}
.modal-notice {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.45;
  text-align: center;
  margin-bottom: 18px;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: #111624;
  border: 1px solid var(--color-cyan);
  color: #FFFFFF;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  font-weight: 600;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8), 0 0 20px rgba(0, 229, 255, 0.3);
  z-index: 2000;
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}
.toast.active {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* Mobile Sticky Bar */
.mobile-sticky-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(10, 13, 20, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--border-cyan);
  padding: 10px 16px;
  z-index: 98;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.7);
}
.sticky-info { display: flex; flex-direction: column; }
.sticky-title {
  font-size: 0.8rem;
  font-weight: 800;
  color: #FFFFFF;
  letter-spacing: 0.04em;
}
.sticky-price {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--color-pink);
}
.sticky-btn {
  padding: 10px 18px;
  font-size: 0.85rem;
  min-height: 44px;
}

/* Responsive */
@media (max-width: 992px) {
  .hero-container {
    grid-template-columns: minmax(0, 1fr);
    gap: 40px;
  }
  .hero-title { font-size: 2.4rem; }
  .hero-visual {
    max-width: 580px;
    margin: 0 auto;
    width: 100%;
  }
  .problems-grid-4,
  .pillars-grid,
  .deliverables-grid,
  .systemic-breakdown-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .register-wrapper {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .footer-container {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: #0A0D14;
    border-bottom: 1px solid var(--border-cyan);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    display: none;
    z-index: 99;
  }
  .nav-menu.active { display: flex; }
  .menu-toggle { display: flex; }
  .header-btn { display: none; }
  .hero-title { font-size: 2.1rem; }
  .section-title { font-size: 1.8rem; }
  .flow-diagram {
    flex-direction: column;
    gap: 10px;
  }
  .flow-arrow {
    transform: rotate(90deg);
    margin: 4px 0;
  }
  .mobile-sticky-bar { display: flex; }
  body { padding-bottom: 68px; }
  .footer-container { grid-template-columns: 1fr; }
  .footer-bottom-inner {
    flex-direction: column;
    text-align: center;
  }
  .footer-disclaimer { text-align: center; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 1.7rem; }
  .hero-cta-group .btn { width: 100%; }
  .register-form-card { padding: 22px 16px; }
  .systemic-card { padding: 28px 18px; }
}

/* Trang thai form, thanh toan chua mo, focus, vung bam */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-cyan);
  outline-offset: 3px;
}
.form-demo-notice {
  padding: 10px 14px;
  margin-bottom: 16px;
  font-size: 0.82rem;
  line-height: 1.45;
  color: var(--text-main);
  background: rgba(255, 45, 149, 0.08);
  border: 1px solid var(--border-pink);
  border-radius: var(--radius-sm);
}
.form-demo-notice[hidden],
.modal-box [hidden] { display: none !important; }
.form-feedback.notice {
  display: block;
  background: rgba(0, 229, 255, 0.08);
  border: 1px solid var(--border-cyan);
  color: var(--text-main);
}
.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}
.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.qr-container { display: flex; flex-direction: column; align-items: center; }
.qr-canvas {
  width: min(250px, 100%);
  height: auto;
  aspect-ratio: 1 / 1;
  border-radius: 10px;
  background: #FFFFFF;
}
.qr-save {
  display: inline-block;
  margin-top: 6px;
  padding: 10px 14px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-cyan);
  text-decoration: underline;
  cursor: pointer;
}
.menu-toggle {
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}
@media (max-width: 768px) {
  .form-group input,
  .form-group select { font-size: 16px; }
  .top-bar-link { display: inline-block; padding: 10px 8px; }
  .nav-menu { gap: 2px; }
  .nav-link { display: block; padding: 10px 12px; }
  .footer-links { gap: 0; }
  .footer-links a { display: inline-block; padding: 10px 0; }
}

@media (max-width: 768px) {
  .top-bar-badge,
  .logo-sub,
  .card-status-badge,
  .blueprint-tag,
  .flow-badge,
  .pillar-tag,
  .pillar-scope,
  .form-privacy-note,
  .footer-pill { font-size: 0.75rem; }
  .copy-btn { min-height: 40px; min-width: 56px; }
}
@media (max-width: 480px) {
  .register-title,
  .final-title { font-size: 1.5rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

.contact-info a {
  color: var(--color-cyan);
  text-decoration: none;
  display: inline-block;
  padding: 8px 0;
}
.contact-info a:hover { text-decoration: underline; }