/* ============================================
   iTOPIK - Premium Korean EdTech Platform
   style.css
   ============================================ */

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

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

body {
  font-family: 'Inter', 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
  background: #ffffff;
  color: #1a1a2e;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background: rgba(14, 165, 233, 0.2);
  color: #1a1a2e;
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #f1f5f9;
}
::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}

/* ---- Typography ---- */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Noto Sans KR', 'Inter', sans-serif;
  font-weight: 700;
  line-height: 1.3;
}

/* ---- Container ---- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================
   DESKTOP NAV (Shared with premium_base)
   ============================================ */
.desktop-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 70px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  z-index: 1050;
  display: flex;
  justify-content: center;
  transition: all 0.3s ease;
}

.desktop-nav.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.desktop-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1200px;
  padding: 0 24px;
}

.desktop-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.desktop-logo-text {
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 22px;
  font-weight: 900;
  color: #0f172a;
}

.desktop-logo-text .i-light { 
  color: #94a3b8; 
  font-weight: 300; 
}

.desktop-logo-text .topik-grad {
  background: linear-gradient(135deg, #0EA5E9, #38BDF8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.desktop-logo .logo-dot-wrap {
  position: relative;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.desktop-logo .logo-dot {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: linear-gradient(135deg, #0EA5E9, #38BDF8);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 2;
}

.desktop-logo .logo-dot-glow {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: #0EA5E9;
  filter: blur(8px);
  opacity: 0.5;
  border-radius: 6px;
}

.desktop-links {
  display: flex;
  align-items: center;
}

.desktop-links .nav-links-wrap {
  display: flex;
  align-items: center;
  gap: 4px;
  position: relative;
}

.desktop-links .nav-link {
  font-size: 15px;
  font-weight: 500;
  color: #475569;
  text-decoration: none;
  padding: 8px 16px;
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
  position: relative;
  z-index: 2;
}

.desktop-links .nav-link:hover {
  color: #0EA5E9;
  background: rgba(14, 165, 233, 0.06);
}

.desktop-links .nav-link.active {
  color: white;
}

.desktop-links .nav-pill {
  position: absolute;
  top: 4px;
  bottom: 4px;
  left: 0;
  background: #0EA5E9;
  border-radius: 8px;
  z-index: 1;
  transition: left 0.35s cubic-bezier(0.34, 1.56, 0.64, 1),
              width 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes pillSlide {
  from { transform: scaleX(0.8); opacity: 0.5; }
  to { transform: scaleX(1); opacity: 1; }
}

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

.desktop-btn {
  padding: 8px 20px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.desktop-btn-outline {
  border: 1px solid #e2e8f0;
  color: #334155;
  background: white;
}

.desktop-btn-outline:hover {
  border-color: #cbd5e1;
  background: #f8fafc;
}

.desktop-btn-primary {
  background: #0EA5E9;
  color: white;
  box-shadow: 0 4px 12px rgba(14, 165, 233, 0.2);
}

.desktop-btn-primary:hover {
  background: #0284c7;
  transform: translateY(-1px);
}

/* Desktop Profile */
.desktop-profile {
  position: relative;
}

.profile-trigger {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 12px 6px 6px;
  background: white;
  border: 1px solid #e2e8f0;
  border-radius: 100px;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
  font-size: inherit;
}

.profile-trigger:hover {
  border-color: #0EA5E9;
  box-shadow: 0 2px 8px rgba(14, 165, 233, 0.12);
}

.profile-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0EA5E9, #6366F1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 14px;
  flex-shrink: 0;
  position: relative;
}

.profile-avatar.has-photo {
  background-size: cover;
  background-position: center;
}

.profile-online-dot {
  position: absolute;
  bottom: -1px;
  right: -1px;
  width: 10px;
  height: 10px;
  background: #22c55e;
  border: 2px solid white;
  border-radius: 50%;
}

.profile-name {
  font-size: 14px;
  font-weight: 600;
  color: #0f172a;
}

.profile-chevron {
  color: #94a3b8;
  transition: transform 0.2s;
}

[aria-expanded="true"] .profile-chevron {
  transform: rotate(180deg);
}

.profile-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 240px;
  background: white;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  box-shadow: 0 16px 48px rgba(0,0,0,0.08);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all 0.2s;
  z-index: 100;
  padding: 8px;
}

.profile-dropdown.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 12px;
  margin-bottom: 4px;
}

.dropdown-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0EA5E9, #6366F1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 16px;
  flex-shrink: 0;
}

.dropdown-avatar.has-photo {
  background-size: cover;
  background-position: center;
}

.dropdown-fullname {
  font-size: 14px;
  font-weight: 700;
  color: #0f172a;
}

.dropdown-username {
  font-size: 12px;
  color: #94a3b8;
}

.dropdown-divider {
  height: 1px;
  background: #f1f5f9;
  margin: 4px 0;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  color: #334155;
  transition: background 0.15s;
}

.dropdown-item:hover {
  background: #f8fafc;
  color: #0EA5E9;
}

.dropdown-item-danger:hover {
  background: #fef2f2;
  color: #dc2626;
}

.dropdown-icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

@media (max-width: 991.98px) {
  .desktop-nav {
    display: none;
  }
}

/* ============================================
   LANDING NAVBAR (Top Nav)
   ============================================ */

/* Override mobile-nav.css padding for landing page */
body.landing-body .app-content {
  padding-left: 0 !important;
  padding-top: 70px !important;
}

.landing-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 70px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  z-index: 1050;
  display: flex;
  justify-content: center;
}

.landing-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1200px;
  padding: 0 24px;
}

.landing-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.landing-logo-text {
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 22px;
  font-weight: 900;
  color: #0f172a;
}

.landing-logo-text .i-light { 
  color: #94a3b8; 
  font-weight: 300; 
}

.landing-logo-text .topik-grad {
  background: linear-gradient(135deg, #0EA5E9, #38BDF8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.landing-logo .logo-dot-wrap {
  position: relative;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.landing-logo .logo-dot {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: linear-gradient(135deg, #0EA5E9, #38BDF8);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 2;
}

.landing-logo .logo-dot-glow {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: #0EA5E9;
  filter: blur(8px);
  opacity: 0.5;
  border-radius: 6px;
}

.landing-links {
  display: flex;
  align-items: center;
}

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

.landing-link {
  font-size: 15px;
  font-weight: 500;
  color: #475569;
  text-decoration: none;
  transition: color 0.2s;
}

.landing-link:hover {
  color: #0EA5E9;
}

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

.landing-btn {
  padding: 8px 20px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.landing-btn-outline {
  border: 1px solid #e2e8f0;
  color: #334155;
  background: white;
}

.landing-btn-outline:hover {
  border-color: #cbd5e1;
  background: #f8fafc;
}

.landing-btn-primary {
  background: #0EA5E9;
  color: white;
  box-shadow: 0 4px 12px rgba(14, 165, 233, 0.2);
}

.landing-btn-primary:hover {
  background: #0284c7;
  transform: translateY(-1px);
}

@media (max-width: 991.98px) {
  .landing-nav {
    display: none;
  }
}

/* ============================================
   REVEAL ANIMATIONS
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-scale.visible {
  opacity: 1;
  transform: scale(1);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ============================================
   FLOATING ANIMATIONS
   ============================================ */
@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  33% { transform: translateY(-12px) rotate(1deg); }
  66% { transform: translateY(6px) rotate(-1deg); }
}

@keyframes float-slow {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-18px); }
}

@keyframes pulse-glow {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(1.05); }
}

@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

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

.floating {
  animation: float 6s ease-in-out infinite;
}

.floating-slow {
  animation: float-slow 8s ease-in-out infinite;
}

.floating-delayed {
  animation: float 6s ease-in-out infinite;
  animation-delay: -3s;
}

/* ============================================
   GLASS CARD
   ============================================ */
.glass {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
}

.glass-strong {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.4);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
}

.glass-card {
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 20px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.1);
}

.glass-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.1);
  border-color: rgba(14, 165, 233, 0.2);
}

/* Card shine effect */
.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  transition: left 0.6s ease;
  pointer-events: none;
  border-radius: 20px;
}

.glass-card:hover::before {
  left: 100%;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 32px;
  background: linear-gradient(135deg, #0EA5E9, #00a3e0);
  color: white;
  border: none;
  border-radius: 14px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 4px 16px rgba(14, 165, 233, 0.25);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(14, 165, 233, 0.35);
}

.btn-primary:active {
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 32px;
  background: rgba(14, 165, 233, 0.08);
  color: #0EA5E9;
  border: 1.5px solid rgba(14, 165, 233, 0.2);
  border-radius: 14px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.3s ease;
}

.btn-secondary:hover {
  background: rgba(14, 165, 233, 0.14);
  border-color: rgba(14, 165, 233, 0.35);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(14, 165, 233, 0.12);
}

.btn-secondary:active {
  transform: translateY(-1px);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  padding-bottom: 60px;
  overflow: hidden;
  background: linear-gradient(180deg,
    rgba(14, 165, 233, 0.03) 0%,
    rgba(255, 255, 255, 1) 50%,
    rgba(240, 247, 255, 0.5) 100%
  );
}

.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.hero-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.3;
}

.hero-blob-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.2), transparent 70%);
  top: -200px;
  right: -100px;
  animation: float-slow 8s ease-in-out infinite;
}

.hero-blob-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0, 198, 255, 0.15), transparent 70%);
  bottom: -100px;
  left: -100px;
  animation: float 7s ease-in-out infinite;
  animation-delay: -2s;
}

.hero-blob-3 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(102, 126, 234, 0.1), transparent 70%);
  top: 30%;
  right: 30%;
  animation: float-slow 10s ease-in-out infinite;
  animation-delay: -4s;
}

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

.hero-content {
  position: relative;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(14, 165, 233, 0.08);
  border: 1px solid rgba(14, 165, 233, 0.15);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  color: #0EA5E9;
  margin-bottom: 24px;
}

.hero-badge-dot {
  width: 6px;
  height: 6px;
  background: #0EA5E9;
  border-radius: 50%;
  animation: pulse-glow 2s ease-in-out infinite;
}

.hero-title {
  font-size: 56px;
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -1.5px;
  margin-bottom: 20px;
  color: #1a1a2e;
}

.hero-title .highlight {
  background: linear-gradient(135deg, #0EA5E9, #00c6ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 17px;
  line-height: 1.7;
  color: #6b7280;
  margin-bottom: 36px;
  max-width: 520px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Hero dashboard preview */
.hero-dashboard {
  position: relative;
}

.hero-dashboard-card {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 24px;
  padding: 32px;
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.06),
    0 0 0 1px rgba(0, 0, 0, 0.02);
  position: relative;
  overflow: hidden;
}

.hero-dashboard-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #0EA5E9, #00c6ff, #667eea);
}

.dash-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

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

.dash-avatar {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, #0EA5E9, #00c6ff);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 18px;
}

.dash-user-info h4 {
  font-size: 15px;
  font-weight: 600;
  color: #1a1a2e;
}

.dash-user-info p {
  font-size: 12px;
  color: #6b7280;
}

.dash-badge {
  padding: 6px 14px;
  background: rgba(14, 165, 233, 0.08);
  border: 1px solid rgba(14, 165, 233, 0.12);
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  color: #0EA5E9;
}

.dash-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 24px;
}

.dash-stat-item {
  padding: 16px;
  background: rgba(248, 250, 252, 0.8);
  border-radius: 14px;
  border: 1px solid rgba(0, 0, 0, 0.04);
}

.dash-stat-label {
  font-size: 12px;
  color: #6b7280;
  font-weight: 500;
  margin-bottom: 4px;
}

.dash-stat-value {
  font-size: 20px;
  font-weight: 700;
  color: #1a1a2e;
}

.dash-stat-value.blue { color: #0EA5E9; }
.dash-stat-value.green { color: #059669; }
.dash-stat-value.purple { color: #7c3aed; }
.dash-stat-value.orange { color: #ea580c; }

.dash-progress {
  display: flex;
  align-items: center;
  gap: 20px;
  padding-top: 20px;
  border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.progress-ring-container {
  position: relative;
  width: 80px;
  height: 80px;
  flex-shrink: 0;
}

.progress-ring {
  transform: rotate(-90deg);
}

.progress-ring-bg {
  fill: none;
  stroke: #e5e7eb;
  stroke-width: 6;
}

.progress-ring-fill {
  fill: none;
  stroke: url(#blueGradient);
  stroke-width: 6;
  stroke-linecap: round;
  stroke-dasharray: 226.19;
  stroke-dashoffset: 226.19;
  transition: stroke-dashoffset 1.5s ease;
}

.progress-ring-text {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.progress-ring-text span:first-child {
  font-size: 18px;
  font-weight: 700;
  color: #1a1a2e;
  line-height: 1;
}

.progress-ring-text span:last-child {
  font-size: 9px;
  color: #6b7280;
}

.dash-progress-info h4 {
  font-size: 14px;
  color: #6b7280;
  font-weight: 500;
}

.dash-progress-info p {
  font-size: 22px;
  font-weight: 700;
  color: #1a1a2e;
}

.dash-progress-info p small {
  font-size: 14px;
  font-weight: 400;
  color: #6b7280;
}

/* Floating elements around dashboard */
.hero-float-element {
  position: absolute;
  padding: 12px 18px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 14px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  font-size: 13px;
  font-weight: 600;
  color: #1a1a2e;
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-float-1 {
  top: -20px;
  right: -30px;
  animation: float 5s ease-in-out infinite;
}

.hero-float-2 {
  bottom: 10px;
  left: -40px;
  animation: float 6s ease-in-out infinite;
  animation-delay: -2.5s;
}

.hero-float-3 {
  bottom: -20px;
  right: 20px;
  animation: float 7s ease-in-out infinite;
  animation-delay: -4s;
}

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

.section-alt {
  background: #f8fafc;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(14, 165, 233, 0.08);
  border: 1px solid rgba(14, 165, 233, 0.12);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  color: #0EA5E9;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.section-title {
  font-size: 40px;
  font-weight: 800;
  letter-spacing: -1px;
  color: #1a1a2e;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 17px;
  color: #6b7280;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

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

.stat-card {
  text-align: center;
  padding: 36px 24px;
  border-radius: 20px;
  position: relative;
  overflow: hidden;
}

.stat-card-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(14, 165, 233, 0.04), transparent);
  pointer-events: none;
  border-radius: 20px;
}

.stat-icon {
  font-size: 36px;
  margin-bottom: 16px;
  display: block;
}

.stat-number {
  font-size: 40px;
  font-weight: 800;
  color: #1a1a2e;
  font-family: 'Noto Sans KR', sans-serif;
  letter-spacing: -1px;
  line-height: 1.1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 14px;
  color: #6b7280;
  font-weight: 500;
}

/* ============================================
   FEATURES SECTION
   ============================================ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  padding: 36px 28px;
  border-radius: 20px;
  position: relative;
  overflow: hidden;
  cursor: default;
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
  background: rgba(14, 165, 233, 0.08);
  transition: all 0.4s ease;
}

.feature-card:hover .feature-icon {
  background: rgba(14, 165, 233, 0.15);
  transform: scale(1.05);
}

.feature-title {
  font-size: 19px;
  font-weight: 700;
  color: #1a1a2e;
  margin-bottom: 10px;
}

.feature-desc {
  font-size: 14px;
  color: #6b7280;
  line-height: 1.7;
}

/* ============================================
   TOPIK LEVELS
   ============================================ */
.levels-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.level-card {
  padding: 32px 28px;
  border-radius: 20px;
  position: relative;
  overflow: hidden;
}

.level-card.level-1 { border-top: 3px solid #0EA5E9; }
.level-card.level-1 .level-badge { background: rgba(14, 165, 233, 0.1); color: #0EA5E9; }

.level-card.level-2 { border-top: 3px solid #00c6ff; }
.level-card.level-2 .level-badge { background: rgba(0, 198, 255, 0.1); color: #0099cc; }

.level-card.level-3 { border-top: 3px solid #667eea; }
.level-card.level-3 .level-badge { background: rgba(102, 126, 234, 0.1); color: #667eea; }

.level-card.level-4 { border-top: 3px solid #7c3aed; }
.level-card.level-4 .level-badge { background: rgba(124, 58, 237, 0.1); color: #7c3aed; }

.level-card.level-5 { border-top: 3px solid #ec4899; }
.level-card.level-5 .level-badge { background: rgba(236, 72, 153, 0.1); color: #ec4899; }

.level-card.level-6 { border-top: 3px solid #f59e0b; }
.level-card.level-6 .level-badge { background: rgba(245, 158, 11, 0.1); color: #d97706; }

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

.level-name {
  font-size: 18px;
  font-weight: 700;
  color: #1a1a2e;
}

.level-badge {
  padding: 4px 12px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 700;
}

.level-cefr {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: #6b7280;
  margin-bottom: 8px;
}

.level-cefr span {
  padding: 2px 10px;
  background: #f3f4f6;
  border-radius: 6px;
  font-weight: 700;
  font-size: 13px;
}

.level-score {
  font-size: 14px;
  color: #6b7280;
  margin-bottom: 14px;
}

.level-score strong {
  font-weight: 700;
  color: #1a1a2e;
}

.level-desc {
  font-size: 14px;
  color: #6b7280;
  line-height: 1.7;
}

.level-divider {
  margin: 24px 0 12px;
  height: 1px;
  background: rgba(0, 0, 0, 0.05);
}

.level-group-title {
  font-size: 13px;
  font-weight: 700;
  color: #9ca3af;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

/* ============================================
   MOCK EXAMS
   ============================================ */
.exams-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.exam-card {
  padding: 40px 36px;
  border-radius: 24px;
  position: relative;
  overflow: hidden;
}

.exam-card.exam-topik1 {
  border-top: 4px solid #0EA5E9;
}

.exam-card.exam-topik2 {
  border-top: 4px solid #7c3aed;
}

.exam-type-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 16px;
}

.exam-type-badge.t1 {
  background: rgba(14, 165, 233, 0.08);
  color: #0EA5E9;
}

.exam-type-badge.t2 {
  background: rgba(124, 58, 237, 0.08);
  color: #7c3aed;
}

.exam-card-title {
  font-size: 24px;
  font-weight: 800;
  color: #1a1a2e;
  margin-bottom: 8px;
}

.exam-card-desc {
  font-size: 14px;
  color: #6b7280;
  margin-bottom: 20px;
  line-height: 1.7;
}

.exam-price {
  font-size: 36px;
  font-weight: 800;
  color: #1a1a2e;
  margin-bottom: 24px;
  font-family: 'Noto Sans KR', sans-serif;
}

.exam-price small {
  font-size: 16px;
  font-weight: 500;
  color: #6b7280;
}

.exam-includes {
  margin-bottom: 28px;
}

.exam-includes li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: #4b5563;
  margin-bottom: 10px;
  list-style: none;
}

.exam-includes li::before {
  content: '✓';
  width: 20px;
  height: 20px;
  background: rgba(5, 150, 105, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  color: #059669;
  flex-shrink: 0;
}

.exam-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.3s ease;
  border: none;
}

.exam-btn.t1 {
  background: linear-gradient(135deg, #0EA5E9, #00a3e0);
  color: white;
  box-shadow: 0 4px 16px rgba(14, 165, 233, 0.2);
}

.exam-btn.t1:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(14, 165, 233, 0.3);
}

.exam-btn.t2 {
  background: linear-gradient(135deg, #7c3aed, #a855f7);
  color: white;
  box-shadow: 0 4px 16px rgba(124, 58, 237, 0.2);
}

.exam-btn.t2:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(124, 58, 237, 0.3);
}

/* ============================================
   EXAM ACCESS SYSTEM
   ============================================ */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}

.step-item {
  text-align: center;
  padding: 28px 16px;
  border-radius: 20px;
  position: relative;
}

.step-number {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  color: white;
  background: linear-gradient(135deg, #0EA5E9, #00c6ff);
  margin: 0 auto 16px;
  box-shadow: 0 4px 12px rgba(14, 165, 233, 0.2);
}

.step-title {
  font-size: 14px;
  font-weight: 600;
  color: #1a1a2e;
}

.step-arrow {
  position: absolute;
  right: -14px;
  top: 50%;
  transform: translateY(-50%);
  color: #d1d5db;
  font-size: 20px;
}

.steps-grid .step-item:last-child .step-arrow {
  display: none;
}

.sample-code-card {
  max-width: 480px;
  margin: 0 auto;
  padding: 40px;
  text-align: center;
  border-radius: 24px;
  position: relative;
  overflow: hidden;
}

.sample-code-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.03), rgba(0, 198, 255, 0.03));
  pointer-events: none;
}

.sample-code-label {
  font-size: 13px;
  font-weight: 600;
  color: #6b7280;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.sample-code {
  font-family: 'Noto Sans KR', monospace;
  font-size: 42px;
  font-weight: 900;
  letter-spacing: 8px;
  background: linear-gradient(135deg, #0EA5E9, #00c6ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}

.sample-code-hint {
  font-size: 14px;
  color: #9ca3af;
}

/* ============================================
   EXAM SIMULATION PREVIEW
   ============================================ */
.simulation {
  background: #0f172a;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.sim-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.sim-logo {
  font-size: 16px;
  font-weight: 700;
  color: #0EA5E9;
  font-family: 'Noto Sans KR', sans-serif;
}

.sim-timer {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  border-radius: 10px;
  color: #f87171;
  font-size: 20px;
  font-weight: 700;
  font-family: 'Noto Sans KR', monospace;
}

.sim-timer-icon {
  font-size: 16px;
}

.sim-body {
  display: grid;
  grid-template-columns: 200px 1fr;
  min-height: 500px;
}

.sim-sidebar {
  padding: 20px;
  background: rgba(255, 255, 255, 0.02);
  border-right: 1px solid rgba(255, 255, 255, 0.06);
}

.sim-sidebar-title {
  font-size: 12px;
  font-weight: 600;
  color: #6b7280;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
}

.sim-question-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 6px;
  margin-bottom: 20px;
}

.sim-q-btn {
  width: 100%;
  aspect-ratio: 1;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
  border-radius: 8px;
  color: #94a3b8;
  font-size: 12px;
  font-weight: 600;
  cursor: default;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sim-q-btn.active {
  background: rgba(14, 165, 233, 0.2);
  border-color: #0EA5E9;
  color: #0EA5E9;
}

.sim-q-btn.answered {
  background: rgba(5, 150, 105, 0.15);
  border-color: rgba(5, 150, 105, 0.3);
  color: #059669;
}

.sim-legend {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.sim-legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  color: #6b7280;
}

.sim-legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 4px;
  flex-shrink: 0;
}

.sim-legend-dot.active {
  background: #0EA5E9;
}

.sim-legend-dot.answered {
  background: #059669;
}

.sim-legend-dot.unanswered {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.sim-main {
  padding: 32px;
  display: flex;
  flex-direction: column;
}

.sim-section-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: rgba(14, 165, 233, 0.12);
  border: 1px solid rgba(14, 165, 233, 0.15);
  border-radius: 8px;
  font-size: 11px;
  font-weight: 600;
  color: #38bdf8;
  margin-bottom: 16px;
  width: fit-content;
}

.sim-question-number {
  font-size: 14px;
  font-weight: 600;
  color: #94a3b8;
  margin-bottom: 12px;
}

.sim-question-text {
  font-size: 17px;
  color: #e2e8f0;
  line-height: 1.7;
  margin-bottom: 24px;
}

.sim-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
}

.sim-option {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  background: rgba(255, 255, 255, 0.03);
  border: 1.5px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  color: #cbd5e1;
  font-size: 15px;
  cursor: default;
  transition: all 0.2s;
}

.sim-option .option-letter {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: #6b7280;
  flex-shrink: 0;
  transition: all 0.2s;
}

.sim-option:hover {
  background: rgba(14, 165, 233, 0.06);
  border-color: rgba(14, 165, 233, 0.15);
}

.sim-option:hover .option-letter {
  background: rgba(14, 165, 233, 0.15);
  color: #0EA5E9;
}

.sim-player {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  margin-top: auto;
}

.sim-player-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0EA5E9, #00c6ff);
  border: none;
  color: white;
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.2s;
}

.sim-player-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(14, 165, 233, 0.3);
}

.sim-player-info {
  flex: 1;
}

.sim-player-info p {
  font-size: 13px;
  color: #e2e8f0;
  font-weight: 500;
  margin-bottom: 4px;
}

.sim-player-bar {
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  overflow: hidden;
}

.sim-player-bar-fill {
  width: 35%;
  height: 100%;
  background: linear-gradient(90deg, #0EA5E9, #00c6ff);
  border-radius: 2px;
  transition: width 0.3s ease;
}

.sim-player-time {
  font-size: 12px;
  color: #6b7280;
  font-family: monospace;
}

/* ============================================
   DASHBOARD PREVIEW
   ============================================ */
.dashboard-preview {
  background: #ffffff;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.08);
  border: 1px solid rgba(0, 0, 0, 0.04);
}

.dash-preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 32px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
  background: rgba(248, 250, 252, 0.5);
}

.dash-preview-user {
  display: flex;
  align-items: center;
  gap: 14px;
}

.dash-preview-avatar {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, #0EA5E9, #00c6ff);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 20px;
}

.dash-preview-name {
  font-size: 18px;
  font-weight: 600;
  color: #1a1a2e;
}

.dash-preview-name span {
  font-size: 20px;
}

.dash-preview-goal {
  padding: 8px 16px;
  background: rgba(14, 165, 233, 0.08);
  border: 1px solid rgba(14, 165, 233, 0.12);
  border-radius: 10px;
  font-size: 13px;
  font-weight: 600;
  color: #0EA5E9;
}

.dash-preview-body {
  padding: 32px;
}

.dash-preview-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}

.dash-preview-stat {
  padding: 20px;
  background: #f8fafc;
  border-radius: 16px;
  border: 1px solid rgba(0, 0, 0, 0.04);
  text-align: center;
}

.dash-preview-stat-icon {
  font-size: 24px;
  margin-bottom: 8px;
  display: block;
}

.dash-preview-stat-value {
  font-size: 22px;
  font-weight: 700;
  color: #1a1a2e;
}

.dash-preview-stat-label {
  font-size: 12px;
  color: #6b7280;
  margin-top: 4px;
}

.dash-preview-charts {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 32px;
  margin-bottom: 32px;
}

.dash-preview-radial {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.radial-item {
  text-align: center;
  padding: 20px;
  background: #f8fafc;
  border-radius: 16px;
  border: 1px solid rgba(0, 0, 0, 0.04);
}

.radial-chart {
  position: relative;
  width: 80px;
  height: 80px;
  margin: 0 auto 12px;
}

.radial-chart svg {
  transform: rotate(-90deg);
}

.radial-chart-bg {
  fill: none;
  stroke: #e5e7eb;
  stroke-width: 6;
}

.radial-chart-fill {
  fill: none;
  stroke-width: 6;
  stroke-linecap: round;
  stroke-dasharray: 226.19;
  stroke-dashoffset: 226.19;
  transition: stroke-dashoffset 1.5s ease;
}

.radial-chart-fill.blue { stroke: #0EA5E9; }
.radial-chart-fill.green { stroke: #059669; }
.radial-chart-fill.purple { stroke: #7c3aed; }
.radial-chart-fill.orange { stroke: #ea580c; }

.radial-text {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  color: #1a1a2e;
}

.radial-label {
  font-size: 12px;
  color: #6b7280;
  font-weight: 500;
}

.dash-preview-line-chart {
  background: #f8fafc;
  border-radius: 16px;
  border: 1px solid rgba(0, 0, 0, 0.04);
  padding: 24px;
  display: flex;
  flex-direction: column;
}

.line-chart-title {
  font-size: 14px;
  font-weight: 600;
  color: #6b7280;
  margin-bottom: 16px;
}

.line-chart {
  flex: 1;
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 120px;
}

.line-bar {
  flex: 1;
  border-radius: 4px 4px 0 0;
  background: linear-gradient(180deg, #0EA5E9, rgba(14, 165, 233, 0.3));
  min-height: 20px;
  transition: height 0.8s ease;
  position: relative;
}

.line-bar:hover {
  opacity: 0.8;
}

.line-bar-label {
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 9px;
  color: #9ca3af;
  white-space: nowrap;
}

.dash-preview-badges {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid rgba(0, 0, 0, 0.04);
}

.badge-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: #f8fafc;
  border: 1px solid rgba(0, 0, 0, 0.04);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  color: #4b5563;
}

.badge-item .badge-icon {
  font-size: 18px;
}

/* ============================================
   FAQ
   ============================================ */
.faq-list {
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  padding: 20px 0;
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-size: 17px;
  font-weight: 600;
  color: #1a1a2e;
  gap: 16px;
  user-select: none;
}

.faq-question:hover {
  color: #0EA5E9;
}

.faq-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: #9ca3af;
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
  color: #0EA5E9;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  padding: 0;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding-top: 16px;
}

.faq-answer p {
  font-size: 15px;
  color: #6b7280;
  line-height: 1.8;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: #0f172a;
  color: #94a3b8;
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand {
  max-width: 320px;
}

.footer-logo {
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 22px;
  font-weight: 900;
  color: white;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-logo .logo-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: linear-gradient(135deg, #0EA5E9, #00c6ff);
  border-radius: 50%;
}

.footer-desc {
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 20px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #94a3b8;
  text-decoration: none;
  transition: all 0.3s ease;
  font-size: 18px;
}

.footer-social a:hover {
  background: rgba(14, 165, 233, 0.15);
  border-color: rgba(14, 165, 233, 0.3);
  color: #0EA5E9;
  transform: translateY(-2px);
}

.footer-col-title {
  font-size: 14px;
  font-weight: 700;
  color: white;
  margin-bottom: 20px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: #64748b;
  text-decoration: none;
  font-size: 14px;
  transition: color 0.25s ease;
}

.footer-links a:hover {
  color: #0EA5E9;
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: #475569;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-title {
    font-size: 44px;
  }

  .hero-dashboard-card {
    max-width: 500px;
    margin: 0 auto;
  }

  .hero-float-1 { right: 0; }
  .hero-float-2 { left: 0; }
  .hero-float-3 { display: none; }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .levels-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .exams-grid-2 {
    grid-template-columns: 1fr;
  }

  .steps-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .step-arrow:nth-child(2),
  .step-arrow:nth-child(4) {
    display: none;
  }

  .dash-preview-charts {
    grid-template-columns: 1fr;
  }

  .dash-preview-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .sim-body {
    grid-template-columns: 1fr;
  }

  .sim-sidebar {
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }

  .sim-question-grid {
    grid-template-columns: repeat(10, 1fr);
  }
}

@media (max-width: 991.98px) {
  .hero {
    padding-top: calc(64px + 16px);
    padding-bottom: 60px;
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 34px;
    letter-spacing: -0.5px;
  }

  .hero-subtitle {
    font-size: 15px;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .hero-buttons .btn-primary,
  .hero-buttons .btn-secondary {
    width: 100%;
    justify-content: center;
  }

  .section {
    padding: 48px 0;
  }

  .section-title {
    font-size: 28px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .stat-number {
    font-size: 30px;
  }

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

  .levels-grid {
    grid-template-columns: 1fr;
  }

  .steps-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .step-arrow {
    display: none;
  }

  .sample-code {
    font-size: 28px;
    letter-spacing: 4px;
  }

  .dash-preview-header {
    flex-direction: column;
    gap: 12px;
    align-items: flex-start;
    padding: 20px;
  }

  .dash-preview-body {
    padding: 20px;
  }

  .dash-preview-stats {
    grid-template-columns: 1fr 1fr;
  }

  .dash-preview-radial {
    grid-template-columns: 1fr 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .sim-main {
    padding: 20px;
  }

  .sim-question-grid {
    grid-template-columns: repeat(5, 1fr);
  }

  .sim-question-text {
    font-size: 15px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero-title {
    font-size: 28px;
  }

  .hero-dashboard-card {
    padding: 20px;
  }

  .dash-stats {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .stat-card {
    padding: 24px 16px;
  }

  .stat-number {
    font-size: 26px;
  }

  .exam-card {
    padding: 28px 24px;
  }

  .exam-price {
    font-size: 28px;
  }

  .steps-grid {
    grid-template-columns: 1fr 1fr;
  }

  .dash-preview-stats {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   UTILITY
   ============================================ */
.gradient-text {
  background: linear-gradient(135deg, #0EA5E9, #00c6ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gradient-border {
  position: relative;
}

.gradient-border::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.2), rgba(0, 198, 255, 0.2));
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  -webkit-mask-composite: xor;
  pointer-events: none;
}

.blur-dot {
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
  pointer-events: none;
}
/* Profile dropdown styles moved to mobile-nav.css */

/* ============================================
   OPPA AI SECTION
   ============================================ */
.oppa-section {
  background: radial-gradient(circle at center, #ffffff 0%, #f8fafc 100%);
  position: relative;
  overflow: hidden;
  padding: 80px 0;
}

.oppa-showcase {
  max-width: 900px;
  margin: 40px auto;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.oppa-ui {
  display: flex;
  flex-direction: column;
  height: 600px;
}

.oppa-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

.oppa-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 16px;
  color: #1e293b;
}

.oppa-avatar {
  background: #ffe4e6;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.oppa-beta {
  background: #ffe4e6;
  color: #e11d48;
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 10px;
  text-transform: uppercase;
  font-weight: 800;
  letter-spacing: 0.5px;
}

.oppa-mode {
  display: flex;
  align-items: center;
  gap: 6px;
  background: white;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  color: #0f172a;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.oppa-actions {
  display: flex;
  gap: 12px;
}

.oppa-actions button {
  background: #f1f5f9;
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #475569;
  cursor: pointer;
  transition: all 0.2s;
}

.oppa-actions button:hover {
  background: #e2e8f0;
  color: #0f172a;
}

.oppa-body {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
}

/* Orb Animation */
.oppa-orb-container {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 300px;
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.oppa-orb {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(254,226,226,0.8) 0%, rgba(254,226,226,0) 70%);
  position: relative;
  animation: pulseOrb 4s ease-in-out infinite alternate;
}

.oppa-particles {
  position: absolute;
  width: 250px;
  height: 250px;
  border-radius: 50%;
  background-image: radial-gradient(#ef4444 1.5px, transparent 1.5px);
  background-size: 12px 12px;
  opacity: 0.4;
  mask-image: radial-gradient(circle, black 40%, transparent 70%);
  -webkit-mask-image: radial-gradient(circle, black 40%, transparent 70%);
  animation: rotateOrb 20s linear infinite;
}

@keyframes pulseOrb {
  0% { transform: scale(0.9); opacity: 0.8; }
  100% { transform: scale(1.1); opacity: 1; }
}

@keyframes rotateOrb {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Chat Bubbles */
.oppa-bubble {
  position: absolute;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  padding: 16px 20px;
  border-radius: 20px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
  max-width: 280px;
  animation: floatBubble 6s ease-in-out infinite alternate;
  z-index: 2;
}

.oppa-bubble .kor {
  font-weight: 700;
  font-size: 15px;
  color: #0f172a;
  margin-bottom: 6px;
  line-height: 1.4;
}

.oppa-bubble .eng {
  font-size: 12px;
  color: #64748b;
  line-height: 1.4;
}

.user-bubble {
  top: 15%;
  left: 10%;
  border-bottom-left-radius: 4px;
}

.ai-bubble {
  bottom: 25%;
  right: 5%;
  background: #ffe4e6;
  border-bottom-right-radius: 4px;
  animation-delay: -3s;
}

.sarcasm {
  font-size: 11px;
  font-weight: 600;
  color: #e11d48;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid rgba(225, 29, 72, 0.1);
}

@keyframes floatBubble {
  0% { transform: translateY(0px); }
  100% { transform: translateY(-15px); }
}

/* Voice Indicator */
.oppa-voice-status {
  position: absolute;
  bottom: 10%;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  z-index: 2;
}

.voice-bars {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  height: 24px;
  margin-bottom: 8px;
}

.voice-bars span {
  display: block;
  width: 3px;
  height: 100%;
  background: #ef4444;
  border-radius: 3px;
  animation: voiceWave 1s ease-in-out infinite;
}

.voice-bars span:nth-child(1) { animation-delay: 0.0s; height: 40%; }
.voice-bars span:nth-child(2) { animation-delay: 0.1s; height: 80%; }
.voice-bars span:nth-child(3) { animation-delay: 0.2s; height: 100%; }
.voice-bars span:nth-child(4) { animation-delay: 0.3s; height: 60%; }
.voice-bars span:nth-child(5) { animation-delay: 0.4s; height: 30%; }

@keyframes voiceWave {
  0%, 100% { transform: scaleY(0.5); }
  50% { transform: scaleY(1); }
}

.voice-text {
  font-weight: 700;
  font-size: 15px;
  color: #0f172a;
  margin-bottom: 4px;
}

.voice-sub {
  font-size: 13px;
  color: #64748b;
}

/* Bottom Controls */
.oppa-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px;
  position: relative;
  z-index: 10;
}

.oppa-extra-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: white;
  padding: 10px 16px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  color: #334155;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
  cursor: pointer;
  transition: all 0.2s;
}

.oppa-extra-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0,0,0,0.08);
}

.oppa-controls {
  display: flex;
  align-items: center;
  gap: 16px;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.control-btn {
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

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

.control-btn.mic {
  width: 54px;
  height: 54px;
  background: white;
  color: #0f172a;
}

.control-btn.stop {
  width: 64px;
  height: 64px;
  background: white;
  color: #0f172a;
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}

.stop-square {
  width: 16px;
  height: 16px;
  background: #0f172a;
  border-radius: 3px;
}

.control-btn.end {
  width: 54px;
  height: 54px;
  background: #ef4444;
  color: white;
}

.oppa-tap-hint {
  text-align: center;
  font-size: 12px;
  color: #94a3b8;
  padding-bottom: 24px;
}

/* Pricing Grid */
.oppa-plans {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.oppa-plan {
  padding: 32px 24px;
  border-radius: 20px;
  text-align: center;
  transition: all 0.3s;
  border: 1px solid rgba(0,0,0,0.05);
  position: relative;
  background: rgba(255,255,255,0.8);
}

.oppa-plan:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.08);
}

.plan-icon {
  font-size: 36px;
  margin-bottom: 16px;
}

.plan-name {
  font-size: 20px;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 8px;
}

.plan-price {
  font-size: 28px;
  font-weight: 800;
  color: #0EA5E9;
  margin-bottom: 24px;
}

.plan-price small {
  font-size: 14px;
  color: #64748b;
  font-weight: 500;
}

.plan-features {
  list-style: none;
  text-align: left;
}

.plan-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 14px;
  color: #334155;
  font-weight: 500;
}

.plan-features li svg {
  width: 18px;
  height: 18px;
  color: #10b981;
  flex-shrink: 0;
}

.plan-popular {
  border-color: #0EA5E9;
  box-shadow: 0 8px 30px rgba(14, 165, 233, 0.15);
  transform: scale(1.05);
  background: #ffffff;
}

.plan-popular:hover {
  transform: scale(1.05) translateY(-5px);
}

.plan-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #0EA5E9, #38BDF8);
  color: white;
  padding: 4px 16px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.5px;
  box-shadow: 0 4px 12px rgba(14, 165, 233, 0.3);
}

.plan-pro {
  background: linear-gradient(135deg, #1e293b, #0f172a);
  color: white;
}

.plan-pro .plan-name { color: white; }
.plan-pro .plan-price { color: #38bdf8; }
.plan-pro .plan-price small { color: #94a3b8; }
.plan-pro .plan-features li { color: #e2e8f0; }

@media (max-width: 992px) {
  .oppa-plans {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
  }
  .plan-popular {
    transform: none;
  }
  .plan-popular:hover {
    transform: translateY(-5px);
  }
  
  .oppa-bottom {
    flex-direction: column;
    gap: 20px;
  }
  .oppa-controls {
    position: relative;
    left: auto;
    transform: none;
    order: -1;
  }
  .user-bubble, .ai-bubble {
    position: relative;
    top: auto;
    bottom: auto;
    left: auto;
    right: auto;
    margin: 10px auto;
  }
  .oppa-body {
    flex-direction: column;
    height: auto;
    padding: 20px;
    gap: 20px;
  }
  .oppa-orb-container {
    position: relative;
    transform: none;
    top: auto;
    left: auto;
    margin: 20px auto;
    width: 200px;
    height: 200px;
    opacity: 0.5;
  }
  .oppa-voice-status {
    position: relative;
    bottom: auto;
    left: auto;
    transform: none;
  }
}
/* ============================================
   LANDING UX POLISH (2026)
   ============================================ */

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  z-index: 9999;
  background: linear-gradient(90deg, #0EA5E9, #6366F1);
  box-shadow: 0 0 12px rgba(14, 165, 233, 0.45);
  pointer-events: none;
  transition: width 0.08s linear;
}

/* Hero trust row */
.hero-trust {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 28px;
  flex-wrap: wrap;
}
.hero-trust-avatars {
  display: flex;
}
.hero-trust-avatars span {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0EA5E9, #6366F1);
  color: #fff;
  font-size: 12px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #fff;
  margin-left: -10px;
  box-shadow: 0 4px 10px rgba(14, 165, 233, 0.25);
}
.hero-trust-avatars span:first-child { margin-left: 0; }
.hero-trust-avatars span:nth-child(2) { background: linear-gradient(135deg, #6366F1, #8b5cf6); }
.hero-trust-avatars span:nth-child(3) { background: linear-gradient(135deg, #22c55e, #0EA5E9); }
.hero-trust-avatars span:nth-child(4) { background: linear-gradient(135deg, #f59e0b, #ef4444); }
.hero-trust-text {
  font-size: 13px;
  color: #64748b;
  font-weight: 500;
}
.hero-trust-text strong { color: #0f172a; font-weight: 800; }

/* Hero buttons polish */
.btn-primary {
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(14, 165, 233, 0.35);
}
.btn-secondary {
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}
.btn-secondary:hover { transform: translateY(-2px); }

/* Magnetic highlight for cards */
.feature-card,
.testimonial-card,
.tariff-card-landing {
  position: relative;
  overflow: hidden;
}
.feature-card::after,
.testimonial-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(600px circle at var(--mx, 50%) var(--my, 50%), rgba(14,165,233,0.1), transparent 40%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
  z-index: 0;
}
.feature-card:hover::after,
.testimonial-card:hover::after { opacity: 1; }
.feature-card > *,
.testimonial-card > * { position: relative; z-index: 1; }

/* Testimonials */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 36px;
}
.testimonial-card {
  padding: 28px 24px;
  border-radius: 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: transform 0.3s cubic-bezier(.22,1,.36,1), box-shadow 0.3s ease;
}
.testimonial-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.1);
}
.testimonial-stars {
  color: #f59e0b;
  font-size: 15px;
  letter-spacing: 2px;
}
.testimonial-text {
  font-size: 15px;
  line-height: 1.65;
  color: #334155;
  margin: 0;
  flex: 1;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 8px;
}
.testimonial-avatar {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, #0EA5E9, #38BDF8);
  color: #fff;
  font-weight: 800;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.testimonial-avatar.av-2 { background: linear-gradient(135deg, #6366F1, #8b5cf6); }
.testimonial-avatar.av-3 { background: linear-gradient(135deg, #22c55e, #14b8a6); }
.testimonial-name { font-size: 14px; font-weight: 800; color: #0f172a; }
.testimonial-meta { font-size: 12px; color: #94a3b8; font-weight: 500; }

/* Final CTA banner */
.cta-banner {
  padding: 40px 0 80px;
  background: #fff;
}
.cta-banner-inner {
  position: relative;
  overflow: hidden;
  border-radius: 28px;
  padding: 56px 40px;
  background: linear-gradient(135deg, #0EA5E9 0%, #6366F1 100%);
  text-align: center;
  box-shadow: 0 24px 60px rgba(14, 165, 233, 0.3);
}
.cta-banner-glow {
  position: absolute;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  filter: blur(40px);
  top: -80px;
  right: -40px;
  animation: float-slow 8s ease-in-out infinite;
  pointer-events: none;
}
.cta-banner-content { position: relative; z-index: 1; }
.cta-banner-title {
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 900;
  color: #fff;
  margin: 0 0 12px;
  letter-spacing: -0.4px;
}
.cta-banner-sub {
  font-size: 16px;
  color: rgba(255,255,255,0.88);
  max-width: 520px;
  margin: 0 auto 28px;
  line-height: 1.6;
}
.cta-banner-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}
.btn-cta-lg {
  background: #fff !important;
  color: #0EA5E9 !important;
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}
.btn-cta-lg:hover {
  background: #f8fafc !important;
  box-shadow: 0 12px 32px rgba(0,0,0,0.18);
}
.btn-cta-ghost {
  background: rgba(255,255,255,0.12) !important;
  color: #fff !important;
  border: 1.5px solid rgba(255,255,255,0.35) !important;
}
.btn-cta-ghost:hover {
  background: rgba(255,255,255,0.22) !important;
}

/* Sim option interactive */
.sim-option {
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, transform 0.15s;
}
.sim-option:hover {
  border-color: #0EA5E9;
  background: rgba(14, 165, 233, 0.06);
}
.sim-option.selected {
  border-color: #0EA5E9;
  background: rgba(14, 165, 233, 0.1);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.12);
}

/* Level cards hover lift */
.level-card {
  transition: transform 0.3s cubic-bezier(.22,1,.36,1), box-shadow 0.3s ease;
}
.level-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 36px rgba(15, 23, 42, 0.1);
}

/* Step items polish */
.step-item {
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.step-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 28px rgba(14, 165, 233, 0.12);
}

/* Desktop nav CTA pulse */
.desktop-btn-primary {
  position: relative;
  overflow: hidden;
}
.desktop-btn-primary::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 40%, rgba(255,255,255,0.35) 50%, transparent 60%);
  transform: translateX(-120%);
  animation: navBtnShine 3.5s ease-in-out infinite;
}
@keyframes navBtnShine {
  0%, 70%, 100% { transform: translateX(-120%); }
  85% { transform: translateX(120%); }
}

/* Reveal smoother */
.reveal {
  transition: opacity 0.75s cubic-bezier(.22,1,.36,1), transform 0.75s cubic-bezier(.22,1,.36,1);
}

@media (max-width: 900px) {
  .testimonials-grid { grid-template-columns: 1fr; max-width: 480px; margin-left: auto; margin-right: auto; }
  .cta-banner-inner { padding: 40px 24px; border-radius: 22px; }
}

@media (max-width: 640px) {
  .hero-trust { margin-top: 22px; }
  .cta-banner { padding: 24px 0 56px; }
}