/* ==========================================================================
   Design System & Global Variables
   ========================================================================== */
:root {
  /* Color Palette */
  --bg-main: #080c14;
  --bg-surface: rgba(18, 24, 40, 0.75);
  --bg-surface-hover: rgba(26, 35, 58, 0.85);
  --border-light: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(99, 102, 241, 0.3);
  
  --primary: #6366f1;
  --primary-glow: rgba(99, 102, 241, 0.4);
  --primary-hover: #4f46e5;
  --primary-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #06b6d4 100%);
  
  --accent-cyan: #06b6d4;
  --accent-emerald: #10b981;
  --accent-rose: #f43f5e;
  --accent-amber: #f59e0b;
  
  --text-main: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  /* Typography */
  --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  
  /* Spacing & Radii */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  /* Shadow & Blur */
  --shadow-card: 0 20px 40px -15px rgba(0, 0, 0, 0.6), 0 0 0 1px var(--border-light);
  --shadow-glow: 0 0 35px -5px var(--primary-glow);
  --backdrop-blur: blur(16px);
  
  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ==========================================================================
   Ambient Background Glows & Grid Pattern
   ========================================================================== */
.bg-glow {
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  filter: blur(140px);
  opacity: 0.35;
  will-change: transform;
}

.bg-glow-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, #6366f1 0%, rgba(99, 102, 241, 0) 70%);
  top: -150px;
  right: -100px;
  animation: floatGlow 18s ease-in-out infinite alternate;
}

.bg-glow-2 {
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, #06b6d4 0%, rgba(6, 182, 212, 0) 70%);
  bottom: 10%;
  left: -150px;
  animation: floatGlow 22s ease-in-out infinite alternate-reverse;
}

.bg-grid-overlay {
  position: fixed;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at 50% 30%, black 40%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 30%, black 40%, transparent 80%);
  pointer-events: none;
  z-index: 0;
}

@keyframes floatGlow {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(40px, 30px) scale(1.1); }
  100% { transform: translate(-30px, 50px) scale(0.95); }
}

/* ==========================================================================
   Container & Layout
   ========================================================================== */
.container {
  width: 100%;
  max-width: 1140px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
  position: relative;
  z-index: 1;
}

/* ==========================================================================
   Header / Navbar
   ========================================================================== */
.navbar {
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 100;
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  background: rgba(8, 12, 20, 0.75);
  border-bottom: 1px solid var(--border-light);
  padding: 0.85rem 0;
  transition: all var(--transition-normal);
}

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

.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
  color: var(--text-main);
}

.brand-logo-img {
  width: 38px;
  height: 38px;
  object-fit: contain;
  border-radius: var(--radius-sm);
  filter: drop-shadow(0 2px 8px rgba(99, 102, 241, 0.4));
}

.footer-logo-img {
  width: 32px;
  height: 32px;
  object-fit: contain;
  border-radius: 6px;
}

.brand-text {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.brand-name {
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  background: linear-gradient(180deg, #ffffff 0%, #cbd5e1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-badge {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.2rem 0.55rem;
  background: rgba(99, 102, 241, 0.15);
  color: #a5b4fc;
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: var(--radius-full);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  padding: 4.5rem 0 3.5rem;
  text-align: center;
}

.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.35);
  color: #c7d2fe;
  padding: 0.45rem 1.1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 2rem;
  box-shadow: 0 4px 15px -3px rgba(99, 102, 241, 0.2);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: #38bdf8;
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(56, 189, 248, 0.7);
  animation: pulseAnimation 2s infinite;
}

@keyframes pulseAnimation {
  0% { box-shadow: 0 0 0 0 rgba(56, 189, 248, 0.7); }
  70% { box-shadow: 0 0 0 8px rgba(56, 189, 248, 0); }
  100% { box-shadow: 0 0 0 0 rgba(56, 189, 248, 0); }
}

.hero-title {
  font-size: clamp(2rem, 4.5vw, 3.3rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.03em;
  max-width: 950px;
  margin: 0 auto 1.5rem;
}

.brand-highlight {
  color: #38bdf8;
  position: relative;
}

.hero-subtitle {
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  color: var(--text-secondary);
  max-width: 780px;
  margin: 0 auto 3rem;
  line-height: 1.75;
}

.old-domain-text {
  color: #fb7185;
  text-decoration: line-through;
  font-weight: 600;
}

.text-gradient-primary {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

/* ==========================================================================
   Domain Migration Card
   ========================================================================== */
.migration-card-wrapper {
  max-width: 920px;
  margin: 0 auto 2.5rem;
}

.migration-card {
  background: var(--bg-surface);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1.5rem;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}

.migration-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--primary-gradient);
}

.domain-box {
  background: rgba(11, 16, 28, 0.7);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.6rem 1.4rem;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.domain-box.old-domain {
  border-color: rgba(244, 63, 94, 0.2);
  background: rgba(244, 63, 94, 0.03);
}

.domain-box.new-domain {
  border-color: rgba(99, 102, 241, 0.4);
  background: rgba(99, 102, 241, 0.06);
  box-shadow: 0 0 25px -5px rgba(99, 102, 241, 0.2);
}

.domain-box.new-domain:hover {
  transform: translateY(-2px);
  border-color: rgba(99, 102, 241, 0.7);
}

.domain-tag {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: inline-block;
  width: fit-content;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
}

.tag-old {
  background: rgba(244, 63, 94, 0.15);
  color: #fda4af;
  border: 1px solid rgba(244, 63, 94, 0.3);
}

.tag-new {
  background: rgba(16, 185, 129, 0.15);
  color: #6ee7b7;
  border: 1px solid rgba(16, 185, 129, 0.35);
}

.domain-url-group {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  overflow: hidden;
}

.domain-status-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.text-muted { color: var(--text-muted); }
.text-success { color: var(--accent-emerald); }
.text-accent { color: #818cf8; }

.domain-name {
  font-size: 1.22rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.old-name {
  color: #94a3b8;
  text-decoration: line-through;
}

.new-name {
  color: #ffffff;
  text-decoration: none;
  background: linear-gradient(135deg, #ffffff 0%, #e0e7ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.new-name:hover {
  text-decoration: underline;
  text-decoration-color: #818cf8;
}

.domain-subtext {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Transfer Flow Indicator */
.migration-flow {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.flow-icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(99, 102, 241, 0.2);
  border: 1px solid rgba(99, 102, 241, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #c7d2fe;
  box-shadow: 0 0 20px -3px var(--primary-glow);
  animation: pulseArrow 2.5s infinite;
}

.flow-icon-wrap svg {
  width: 24px;
  height: 24px;
}

@keyframes pulseArrow {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); box-shadow: 0 0 25px 2px var(--primary-glow); }
}

.flow-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #a5b4fc;
}

/* ==========================================================================
   Countdown & Action Controls
   ========================================================================== */
.redirect-box {
  max-width: 820px;
  margin: 0 auto;
  background: rgba(14, 20, 34, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 1.8rem;
  position: relative;
  overflow: hidden;
}

.countdown-bar-container {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: rgba(255, 255, 255, 0.06);
}

.countdown-bar {
  height: 100%;
  width: 100%;
  background: var(--primary-gradient);
  transition: width 1s linear;
}

.redirect-header {
  margin-bottom: 1.4rem;
}

.timer-display {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.05rem;
  color: #e2e8f0;
}

.timer-display strong {
  font-size: 1.25rem;
  color: #38bdf8;
  font-weight: 800;
}

.action-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-family: inherit;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-decoration: none;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 0.85rem 1.6rem;
  font-size: 0.95rem;
}

.btn-xl {
  padding: 1rem 2.2rem;
  font-size: 1.05rem;
  font-weight: 700;
}

.btn-primary {
  background: var(--primary-gradient);
  color: #ffffff;
  box-shadow: 0 8px 25px -4px rgba(99, 102, 241, 0.5);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px -4px rgba(99, 102, 241, 0.7);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.12);
  color: #cbd5e1;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-glass {
  background: rgba(99, 102, 241, 0.1);
  border-color: rgba(99, 102, 241, 0.25);
  color: #c7d2fe;
}

.btn-glass:hover {
  background: rgba(99, 102, 241, 0.2);
  color: #ffffff;
  border-color: rgba(99, 102, 241, 0.45);
}

.btn-outline {
  background: transparent;
  border-color: rgba(99, 102, 241, 0.5);
  color: #c7d2fe;
}

.btn-outline:hover {
  background: rgba(99, 102, 241, 0.15);
  color: #ffffff;
}

.btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

button, a.btn, summary {
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.btn:active {
  transform: scale(0.98);
}

.btn-text-mobile {
  display: none;
}

.nav-btn-text-mobile {
  display: none;
}

.bookmark-tip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 1.2rem;
}

.bookmark-tip svg {
  width: 16px;
  height: 16px;
  color: #f59e0b;
  flex-shrink: 0;
}

kbd {
  display: inline-block;
  padding: 0.15rem 0.45rem;
  font-size: 0.75rem;
  font-family: inherit;
  font-weight: 700;
  color: #e2e8f0;
  background-color: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 4px;
  box-shadow: 0 1px 1px rgba(0, 0, 0, 0.3);
}

/* ==========================================================================
   Features / Value Section (PDF Manager Suite)
   ========================================================================== */
.features-section {
  padding: 5rem 0;
  border-top: 1px solid var(--border-light);
}

.section-heading {
  margin-bottom: 3.5rem;
}

.text-center {
  text-align: center;
}

.section-title {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.8rem;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.8rem;
}

.feature-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 2rem 1.6rem;
  transition: transform var(--transition-normal), border-color var(--transition-normal);
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  position: relative;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(99, 102, 241, 0.4);
  box-shadow: var(--shadow-card);
}

.feature-icon {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.4rem;
}

.feature-icon svg {
  width: 22px;
  height: 22px;
}

.bg-indigo { background: rgba(99, 102, 241, 0.15); color: #818cf8; border: 1px solid rgba(99, 102, 241, 0.3); }
.bg-cyan { background: rgba(6, 182, 212, 0.15); color: #22d3ee; border: 1px solid rgba(6, 182, 212, 0.3); }
.bg-emerald { background: rgba(16, 185, 129, 0.15); color: #34d399; border: 1px solid rgba(16, 185, 129, 0.3); }
.bg-purple { background: rgba(168, 85, 247, 0.15); color: #c084fc; border: 1px solid rgba(168, 85, 247, 0.3); }
.bg-amber { background: rgba(245, 158, 11, 0.15); color: #fbbf24; border: 1px solid rgba(245, 158, 11, 0.3); }
.bg-rose { background: rgba(244, 63, 94, 0.15); color: #fb7185; border: 1px solid rgba(244, 63, 94, 0.3); }

.feature-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #f1f5f9;
}

.feature-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  flex-grow: 1;
}

.feature-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #94a3b8;
  background: rgba(255, 255, 255, 0.04);
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.07);
  width: fit-content;
  margin-top: 0.4rem;
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */
.faq-section {
  padding: 5rem 0;
  border-top: 1px solid var(--border-light);
}

.faq-accordion {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item[open] {
  border-color: rgba(99, 102, 241, 0.35);
  background: var(--bg-surface-hover);
}

.faq-question {
  list-style: none;
  padding: 1.3rem 1.6rem;
  font-size: 1.05rem;
  font-weight: 600;
  color: #f8fafc;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  user-select: none;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-chevron {
  width: 20px;
  height: 20px;
  color: var(--text-secondary);
  transition: transform var(--transition-normal);
  flex-shrink: 0;
}

.faq-item[open] .faq-chevron {
  transform: rotate(180deg);
  color: #818cf8;
}

.faq-answer {
  padding: 0 1.6rem 1.4rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

.faq-answer strong {
  color: #e2e8f0;
}

/* ==========================================================================
   Bottom CTA Section
   ========================================================================== */
.bottom-cta-section {
  padding: 4rem 0 6rem;
}

.bottom-cta-card {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15) 0%, rgba(6, 182, 212, 0.1) 100%);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: var(--radius-lg);
  padding: 3rem 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  box-shadow: var(--shadow-card);
}

.cta-title {
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 800;
  margin-bottom: 0.6rem;
}

.cta-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 580px;
}

.cta-action {
  flex-shrink: 0;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  border-top: 1px solid var(--border-light);
  background: rgba(6, 9, 15, 0.95);
  padding: 3.5rem 0 2rem;
}

.footer-container {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1.5fr 1fr;
  gap: 2.5rem;
}

.footer-brand .brand {
  margin-bottom: 0.8rem;
}

.footer-tagline {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
  max-width: 360px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.footer-header {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #e2e8f0;
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.88rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: #38bdf8;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 1.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: center;
}

.footer-bottom a {
  color: #a5b4fc;
  text-decoration: none;
}

.footer-bottom a:hover {
  text-decoration: underline;
}

/* ==========================================================================
   Toast Feedback Notification
   ========================================================================== */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: rgba(15, 23, 42, 0.95);
  border: 1px solid rgba(56, 189, 248, 0.5);
  color: #f8fafc;
  padding: 0.85rem 1.4rem;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(10px);
  z-index: 999;
  transform: translateY(100px);
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.toast svg {
  width: 20px;
  height: 20px;
  color: #34d399;
  flex-shrink: 0;
}

/* ==========================================================================
   Mobile Sticky Floating Bar
   ========================================================================== */
.mobile-sticky-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 990;
  background: rgba(10, 15, 29, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid rgba(99, 102, 241, 0.35);
  box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.6);
  padding: 0.75rem 1.2rem calc(0.75rem + env(safe-area-inset-bottom));
  transform: translateY(120%);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  display: none;
}

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

.mobile-sticky-bar.visible {
  transform: translateY(0);
}

.mobile-bar-content {
  max-width: 540px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
}

.mobile-timer-info {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  overflow: hidden;
}

.mobile-timer-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(99, 102, 241, 0.2);
  border: 1px solid rgba(99, 102, 241, 0.45);
  color: #c7d2fe;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.mobile-pulse-dot {
  width: 6px;
  height: 6px;
  background-color: #38bdf8;
  border-radius: 50%;
  animation: pulseAnimation 2s infinite;
}

.mobile-target-domain {
  font-size: 0.8rem;
  font-weight: 600;
  color: #e2e8f0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mobile-bar-btn {
  flex-shrink: 0;
  padding: 0.5rem 1.1rem !important;
  font-size: 0.85rem !important;
  font-weight: 700 !important;
  border-radius: var(--radius-full) !important;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 900px) {
  .migration-card-wrapper {
    margin-bottom: 2rem;
  }

  .migration-card {
    grid-template-columns: 1fr;
    gap: 1.2rem;
    padding: 1.6rem 1.3rem;
  }
  
  .migration-flow {
    transform: none;
    flex-direction: row;
    gap: 0.8rem;
    padding: 0.3rem 0;
    position: relative;
  }

  .flow-line {
    display: none;
  }

  .flow-icon-wrap {
    width: 42px;
    height: 42px;
    transform: rotate(90deg);
  }

  .flow-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    color: #a5b4fc;
    background: rgba(99, 102, 241, 0.12);
    padding: 0.3rem 0.8rem;
    border-radius: var(--radius-full);
    border: 1px solid rgba(99, 102, 241, 0.25);
    letter-spacing: 0.05em;
  }

  .domain-box {
    padding: 1.3rem 1.1rem;
  }

  .domain-name {
    font-size: clamp(1rem, 4vw, 1.25rem);
    white-space: normal;
    word-break: break-all;
    line-height: 1.35;
  }

  .bottom-cta-card {
    flex-direction: column;
    text-align: center;
    padding: 2.2rem 1.5rem;
  }

  .cta-desc {
    margin: 0 auto;
  }
}

@media (max-width: 640px) {
  /* Navbar */
  .navbar {
    padding: 0.65rem 0;
  }

  .nav-container {
    gap: 0.5rem;
  }

  .brand {
    gap: 0.65rem;
  }

  .brand-logo-img {
    width: 32px;
    height: 32px;
  }

  .brand-name {
    font-size: 1.15rem;
  }

  .brand-badge {
    font-size: 0.65rem;
    padding: 0.18rem 0.5rem;
  }

  .nav-actions {
    display: flex;
  }

  .nav-direct-btn {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
    border-radius: var(--radius-full);
    background: rgba(99, 102, 241, 0.15);
    border-color: rgba(99, 102, 241, 0.4);
    color: #c7d2fe;
    white-space: nowrap;
  }

  .nav-btn-text-desktop {
    display: none;
  }

  .nav-btn-text-mobile {
    display: inline;
  }

  /* Hero Section */
  .hero-section {
    padding: 2.2rem 0 2rem;
  }

  .badge-pill {
    font-size: 0.78rem;
    padding: 0.4rem 0.85rem;
    margin-bottom: 1.3rem;
    max-width: 100%;
    white-space: normal;
    text-align: center;
    line-height: 1.4;
  }

  .hero-title {
    font-size: clamp(1.6rem, 6.5vw, 2.2rem);
    margin-bottom: 1.1rem;
    line-height: 1.3;
    word-break: break-word;
    overflow-wrap: anywhere;
  }

  .text-gradient-primary {
    display: inline;
    word-break: break-all;
    overflow-wrap: anywhere;
  }

  .hero-subtitle {
    font-size: 0.92rem;
    margin-bottom: 1.8rem;
    line-height: 1.65;
  }

  /* Redirect Box */
  .redirect-box {
    padding: 1.4rem 1.1rem;
    border-radius: var(--radius-md);
  }

  .timer-display {
    font-size: 0.95rem;
    text-align: center;
    justify-content: center;
    flex-wrap: wrap;
    line-height: 1.45;
  }

  .timer-display strong {
    font-size: 1.15rem;
  }

  /* Action Buttons */
  .action-buttons {
    flex-direction: column;
    width: 100%;
    gap: 0.75rem;
    margin-bottom: 1.2rem;
  }

  .action-buttons .btn {
    width: 100%;
    min-height: 48px;
    padding: 0.8rem 1.2rem;
    font-size: 0.95rem;
    text-align: center;
    justify-content: center;
  }

  .btn-text-desktop {
    display: none;
  }

  .btn-text-mobile {
    display: inline;
  }

  .bookmark-tip {
    font-size: 0.8rem;
    padding-top: 1rem;
    text-align: left;
    align-items: flex-start;
    line-height: 1.55;
  }

  .bookmark-tip svg {
    margin-top: 2px;
  }

  /* Features Section */
  .features-section,
  .faq-section {
    padding: 3rem 0;
  }

  .section-heading {
    margin-bottom: 2.2rem;
  }

  .section-title {
    font-size: clamp(1.4rem, 5.5vw, 1.85rem);
    line-height: 1.3;
  }

  .section-subtitle {
    font-size: 0.9rem;
    line-height: 1.6;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }

  .feature-card {
    padding: 1.4rem 1.2rem;
    border-radius: var(--radius-sm);
  }

  .feature-title {
    font-size: 1.05rem;
  }

  .feature-desc {
    font-size: 0.88rem;
    line-height: 1.55;
  }

  /* FAQ Accordion */
  .faq-question {
    padding: 1.1rem 1.2rem;
    font-size: 0.95rem;
    line-height: 1.45;
  }

  .faq-answer {
    padding: 0 1.2rem 1.2rem;
    font-size: 0.88rem;
    line-height: 1.65;
  }

  /* Bottom CTA Card */
  .bottom-cta-section {
    padding: 2.8rem 0 5rem;
  }

  .bottom-cta-card {
    padding: 2rem 1.2rem;
    border-radius: var(--radius-md);
  }

  .cta-title {
    font-size: clamp(1.35rem, 5vw, 1.75rem);
    line-height: 1.3;
  }

  .cta-desc {
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
  }

  .cta-action {
    width: 100%;
  }

  .cta-action .btn {
    width: 100%;
    min-height: 48px;
  }

  /* Footer */
  .footer {
    padding: 3rem 0 calc(2.5rem + env(safe-area-inset-bottom));
  }

  .footer-container {
    gap: 2rem;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-brand .brand {
    justify-content: flex-start;
  }

  .footer-tagline {
    max-width: 100%;
  }

  .footer-bottom {
    font-size: 0.8rem;
    line-height: 1.6;
  }

  /* Toast Notification */
  .toast {
    left: 14px;
    right: 14px;
    bottom: calc(16px + env(safe-area-inset-bottom));
    padding: 0.75rem 1.1rem;
    font-size: 0.82rem;
    justify-content: center;
    text-align: center;
  }
}

@media (max-width: 380px) {
  .container {
    padding-left: 0.9rem;
    padding-right: 0.9rem;
  }

  .brand-badge {
    display: none;
  }

  .brand-name {
    font-size: 1.05rem;
  }

  .nav-direct-btn {
    padding: 0.35rem 0.6rem;
    font-size: 0.75rem;
  }

  .hero-title {
    font-size: 1.45rem;
  }

  .badge-pill {
    font-size: 0.72rem;
    padding: 0.35rem 0.65rem;
  }

  .domain-box {
    padding: 1.1rem 0.85rem;
  }

  .action-buttons .btn {
    font-size: 0.88rem;
    padding: 0.75rem 0.85rem;
  }
}