:root {
  --primary-color: #1e293b;
  /* Slate 800 */
  --accent-color: #94a3b8;
  /* Slate 400 - Subtle Gray-Blue */
  --accent-hover: #cbd5e1;
  /* Slate 300 */
  --text-color: #e2e8f0;
  /* Slate 200 */
  --bg-color: #0f172a;
  /* Slate 900 - Deep dark gray instead of pure black */
  --card-bg: rgba(30, 41, 59, 0.4);
  /* More transparent slate */
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
  --glass-border: 1px solid rgba(148, 163, 184, 0.1);
}

body {
  font-family: 'Suit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--bg-color);
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

/* Particles Canvas */
#particles-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  /* Behind everything */
  background: radial-gradient(circle at center, #1a202c 0%, #000000 100%);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 1;
  /* Above canvas */
}

/* Header */
header {
  background-color: transparent;
  /* Transparent for particles to show */
  padding: 50px 0 20px;
  text-align: center;
  position: relative;
}

.header-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.header-brand a {
  text-decoration: none;
  display: inline-block;
}

.header-logo {
  height: 65px;
  width: auto;
  filter: drop-shadow(0 4px 20px rgba(56, 189, 248, 0.3));
  transition: transform 0.3s ease, filter 0.3s ease;
}

.header-logo:hover {
  transform: scale(1.05);
  filter: drop-shadow(0 6px 30px rgba(56, 189, 248, 0.5));
}

.header-title-wrapper {
  flex: 1;
  min-width: 300px;
}

header h1,
.header-main-title {
  font-size: 2.5rem;
  margin: 0;
  color: #ffffff;
  line-height: 1.3;
}

.header-first-line {
  font-weight: 300;
}

.header-main-line {
  font-size: 1.3em;
  font-weight: 700;
}

.kiwoom-highlight {
  background: linear-gradient(to right, #38bdf8, #a855f7);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 20px rgba(56, 189, 248, 0.4);
  animation: gradient-shift 3s ease infinite;
  background-size: 200% auto;
  font-weight: 600;
}

.yalco-link {
  text-decoration: none;
  transition: all 0.3s ease;
  position: relative;
  display: inline-block;
  background: linear-gradient(to right, #ffffff, #38bdf8, #a855f7);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-size: 200% auto;
  animation: gradient-shift 3s ease infinite;
  cursor: pointer;
  border-bottom: 2px solid rgba(56, 189, 248, 0.4);
  padding-bottom: 2px;
  text-shadow: 0 0 15px rgba(56, 189, 248, 0.4);
  font-weight: 600;
}

.yalco-link:hover {
  text-shadow: 0 0 20px rgba(56, 189, 248, 0.8);
  transform: scale(1.05);
  border-bottom-color: rgba(56, 189, 248, 0.8);
  filter: brightness(1.2);
}

.subscriber-count {
  display: inline-block;
  font-weight: 700;
  color: #38bdf8;
  -webkit-text-fill-color: #38bdf8;
  text-shadow: 0 0 20px rgba(56, 189, 248, 0.6);
  animation: pulse-subscriber 2s ease-in-out infinite;
}

@keyframes pulse-subscriber {
  0%, 100% {
    text-shadow: 0 0 20px rgba(56, 189, 248, 0.6);
    transform: scale(1);
  }
  50% {
    text-shadow: 0 0 30px rgba(56, 189, 248, 0.9);
    transform: scale(1.05);
  }
}

@keyframes gradient-shift {
  0%, 100% {
    background-position: 0% center;
  }
  50% {
    background-position: 100% center;
  }
}

header .subtitle {
  font-size: 1.15rem;
  margin: 0.8rem auto 1.2rem;
  color: #e2e8f0;
  font-weight: 500;
  line-height: 1.8;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  position: relative;
  display: inline-block;
  padding: 15px 30px;
  background: rgba(30, 41, 59, 0.5);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 20px;
  border: 1px solid rgba(148, 163, 184, 0.2);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  transition: all 0.3s ease;
  max-width: 800px;
}

header .subtitle:hover {
  background: rgba(30, 41, 59, 0.6);
  border-color: rgba(56, 189, 248, 0.3);
  box-shadow: 0 6px 30px rgba(56, 189, 248, 0.2);
  transform: translateY(-2px);
}

header .subtitle::before,
header .subtitle::after {
  content: '✨';
  opacity: 0.6;
  margin: 0 8px;
  animation: sparkle 2s ease-in-out infinite;
}

header .subtitle::after {
  animation-delay: 1s;
}

@keyframes sparkle {
  0%, 100% {
    opacity: 0.3;
    transform: scale(1);
  }
  50% {
    opacity: 0.8;
    transform: scale(1.2);
  }
}

header p:not(.subtitle) {
  font-size: 1.1rem;
  color: #cbd5e1;
  line-height: 1.9;
  max-width: 800px;
  margin: 0 auto 1rem;
  padding: 20px 30px;
  background: rgba(30, 41, 59, 0.3);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 16px;
  border: 1px solid rgba(148, 163, 184, 0.1);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  transition: all 0.3s ease;
}

header p:not(.subtitle):hover {
  background: rgba(30, 41, 59, 0.4);
  border-color: rgba(56, 189, 248, 0.2);
  box-shadow: 0 6px 30px rgba(56, 189, 248, 0.15);
  transform: translateY(-2px);
}

/* Video Section */
.video-section {
  padding: 20px 0;
}

.video-container {
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  border-radius: 12px;
  overflow: hidden;
  background: #000;
  border: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
  aspect-ratio: 16 / 9;
}

.video-iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* Content Section */
.content-section {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  padding: 50px 0 80px;
  justify-content: center;
}

.card {
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: var(--glass-border);
  border-radius: 16px;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  overflow: hidden;
  flex: 1 1 350px;
  max-width: 500px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 40px rgba(56, 189, 248, 0.2);
  border-color: rgba(56, 189, 248, 0.3);
}

.card-image img {
  width: 100%;
  height: auto;
  display: block;
  opacity: 0.9;
  transition: opacity 0.3s;
}

.card:hover .card-image img {
  opacity: 1;
}

.card-content {
  padding: 30px;
}

.card-content h2 {
  color: #fff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 15px;
  margin-top: 0;
  font-size: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.title-text {
  flex: 1;
  min-width: 200px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.badge:hover {
  transform: translateY(-2px);
}

.badge-free {
  background: linear-gradient(135deg, #10b981, #059669);
  color: white;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.badge-free:hover {
  box-shadow: 0 6px 16px rgba(16, 185, 129, 0.4);
}

.badge-membership {
  background: linear-gradient(135deg, #dc2626, #b91c1c);
  color: white;
  box-shadow: 0 4px 12px rgba(220, 38, 38, 0.3);
}

.badge-membership:hover {
  box-shadow: 0 6px 16px rgba(220, 38, 38, 0.4);
}

.card-content ul {
  padding-left: 20px;
}

.card-content li {
  margin-bottom: 12px;
  color: #cbd5e1;
}

.card-content .highlight-line {
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.2), rgba(168, 85, 247, 0.2));
  border: 2px solid rgba(56, 189, 248, 0.4);
  border-radius: 12px;
  padding: 12px 24px;
  margin: 20px 0 25px 0;
  box-shadow: 0 4px 20px rgba(56, 189, 248, 0.2);
  font-size: 1.1rem;
  text-align: center;
  position: relative;
  animation: pulse-glow 2s ease-in-out infinite;
}

.card-content .highlight-line strong {
  color: #fff;
  text-shadow: 0 2px 10px rgba(56, 189, 248, 0.5);
  font-weight: 700;
  letter-spacing: 0.5px;
}

@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 4px 20px rgba(56, 189, 248, 0.2);
    border-color: rgba(56, 189, 248, 0.4);
  }
  50% {
    box-shadow: 0 6px 30px rgba(56, 189, 248, 0.4);
    border-color: rgba(56, 189, 248, 0.6);
  }
}

/* CTA Section */
.cta-section {
  text-align: center;
  padding: 60px 0 100px;
}

.cta-button {
  display: inline-block;
  background: linear-gradient(135deg, #64748b, #475569);
  color: white;
  padding: 20px 80px;
  font-size: 1.5rem;
  font-weight: bold;
  text-decoration: none;
  border-radius: 50px;
  box-shadow: 0 0 20px rgba(148, 163, 184, 0.2);
  transition: all 0.3s ease;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.cta-button:hover {
  transform: scale(1.05);
  background: linear-gradient(135deg, #94a3b8, #64748b);
  box-shadow: 0 0 40px rgba(148, 163, 184, 0.4);
}

/* Features Section */
.features-section {
  padding: 80px 0;
  position: relative;
  z-index: 1;
}

.features-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 50px;
  color: #fff;
  background: linear-gradient(to right, #ffffff, #38bdf8, #a855f7);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 30px;
  margin-top: 40px;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

.feature-tile {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  padding: 30px 20px;
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: var(--glass-border);
  border-radius: 20px;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  text-align: center;
}

.feature-tile:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 40px rgba(56, 189, 248, 0.2);
  border-color: rgba(56, 189, 248, 0.3);
}

.feature-icon-circle {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.2), rgba(168, 85, 247, 0.2));
  border: 2px solid rgba(56, 189, 248, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(56, 189, 248, 0.15);
}

.feature-tile:hover .feature-icon-circle {
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.3), rgba(168, 85, 247, 0.3));
  border-color: rgba(56, 189, 248, 0.5);
  box-shadow: 0 6px 30px rgba(56, 189, 248, 0.3);
  transform: scale(1.05);
}

.feature-icon {
  font-size: 3.5rem;
  display: block;
  line-height: 1;
}

.feature-text {
  color: #e2e8f0;
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.5;
  min-height: 2.5em;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Reviews Section */
.reviews-section {
  padding: 80px 0;
  position: relative;
  z-index: 1;
}

.reviews-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 50px;
  color: #fff;
  background: linear-gradient(to right, #ffffff, #38bdf8, #a855f7);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.review-card {
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: var(--glass-border);
  border-radius: 16px;
  padding: 25px;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.review-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(56, 189, 248, 0.2);
  border-color: rgba(56, 189, 248, 0.3);
}

.review-header {
  margin-bottom: 15px;
  padding-bottom: 15px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.review-name {
  font-size: 1.1rem;
  font-weight: 600;
  color: #fff;
}

.review-text {
  color: #cbd5e1;
  line-height: 1.8;
  font-size: 0.95rem;
}

/* Footer */
footer {
  background: linear-gradient(to bottom, rgba(15, 23, 42, 0.95), rgba(15, 23, 42, 0.98));
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: #94a3b8;
  padding: 80px 0 30px;
  border-top: 1px solid rgba(148, 163, 184, 0.15);
  position: relative;
  z-index: 1;
  margin-top: 60px;
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(56, 189, 248, 0.5), transparent);
}

.footer-content {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  margin-bottom: 50px;
}

.footer-section {
  text-align: center;
  max-width: 600px;
}

.footer-title {
  color: #fff;
  font-size: 1.8rem;
  margin-bottom: 30px;
  background: linear-gradient(to right, #ffffff, #38bdf8, #a855f7);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 600;
}

.footer-links {
  display: flex;
  flex-direction: row;
  gap: 20px;
  align-items: center;
  justify-content: center;
  flex-wrap: nowrap;
}

.footer-link {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #cbd5e1;
  text-decoration: none;
  padding: 12px 24px;
  border-radius: 12px;
  background: rgba(30, 41, 59, 0.4);
  transition: all 0.3s ease;
  justify-content: flex-start;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  white-space: nowrap;
}

.footer-link:hover {
  color: #fff;
  background: rgba(56, 189, 248, 0.15);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(56, 189, 248, 0.2);
}

.footer-icon {
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

.footer-link span:not(.footer-icon) {
  font-size: 1rem;
  font-weight: 500;
}

.disclaimer-section {
  padding: 80px 0;
  position: relative;
  z-index: 1;
}

.disclaimer-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  max-width: 1000px;
  margin: 0 auto;
}

.disclaimer-column {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.disclaimer-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.disclaimer-item.disclaimer-negative {
  background: rgba(220, 38, 38, 0.1);
  border: 1px solid rgba(220, 38, 38, 0.2);
  color: #fca5a5;
}

.disclaimer-item.disclaimer-positive {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.2);
  color: #6ee7b7;
}

.disclaimer-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
  width: 24px;
  text-align: center;
}

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid rgba(148, 163, 184, 0.1);
  color: #64748b;
  font-size: 0.9rem;
}

.footer-bottom p {
  margin: 0;
}

/* Feature Cards Section */
.feature-cards-section {
  padding: 20px 0;
  position: relative;
  z-index: 1;
  outline: none;
}

.feature-cards-section:focus {
  outline: none;
}

.feature-cards-container {
  position: relative;
  width: 100%;
  margin: 0 auto;
  background: transparent;
  overflow: visible;
  padding: 0 20px;
}

.feature-cards-wrapper {
  position: relative;
  width: 100%;
  overflow-x: hidden;
  overflow-y: visible;
  min-height: 250px;
  padding: 10px 0;
  cursor: pointer;
  mask-image: linear-gradient(
    to right,
    transparent 0%,
    black 10%,
    black 90%,
    transparent 100%
  );
  -webkit-mask-image: linear-gradient(
    to right,
    transparent 0%,
    black 10%,
    black 90%,
    transparent 100%
  );
}

.feature-cards-track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  align-items: center;
  will-change: transform;
}

.feature-card {
  flex-shrink: 0;
  box-sizing: border-box;
  display: flex;
  align-items: flex-start;
  gap: 25px;
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: var(--glass-border);
  border-radius: 20px;
  padding: 30px;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  margin: 0 10px;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(56, 189, 248, 0.2);
  border-color: rgba(56, 189, 248, 0.3);
}

.feature-card-emoji {
  font-size: 3.5rem;
  line-height: 1;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 85px;
  height: 85px;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.2), rgba(168, 85, 247, 0.2));
  border-radius: 20px;
  border: 2px solid rgba(56, 189, 248, 0.3);
  box-shadow: 0 4px 20px rgba(56, 189, 248, 0.15);
}

.feature-card-content {
  flex: 1;
}

.feature-card-title {
  font-size: 1.7rem;
  color: #fff;
  margin: 0 0 15px 0;
  font-weight: 700;
  background: linear-gradient(to right, #ffffff, #38bdf8, #a855f7);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.feature-card-description {
  font-size: 1.05rem;
  color: #cbd5e1;
  line-height: 1.7;
  margin: 0;
}

.feature-cards-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(30, 41, 59, 0.8);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(148, 163, 184, 0.3);
  color: #fff;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  z-index: 10;
  user-select: none;
  padding: 0;
  margin: 0;
}

.feature-cards-btn .material-icons {
  font-size: 32px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-cards-btn:hover {
  background: rgba(30, 41, 59, 0.95);
  border-color: rgba(56, 189, 248, 0.5);
  box-shadow: 0 4px 20px rgba(56, 189, 248, 0.3);
  transform: translateY(-50%) scale(1.1);
}

.feature-cards-btn:active {
  transform: translateY(-50%) scale(0.95);
}

.feature-cards-btn-prev {
  left: 20px;
}

.feature-cards-btn-next {
  right: 20px;
}

.feature-cards-indicators {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 20px;
  flex-wrap: wrap;
}

.feature-cards-indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(148, 163, 184, 0.4);
  border: 1px solid rgba(148, 163, 184, 0.2);
  cursor: pointer;
  transition: all 0.3s ease;
  padding: 0;
  border: none;
}

.feature-cards-indicator:hover {
  background: rgba(148, 163, 184, 0.6);
  transform: scale(1.2);
}

.feature-cards-indicator.active {
  background: #38bdf8;
  box-shadow: 0 0 10px rgba(56, 189, 248, 0.5);
  transform: scale(1.3);
}

/* Chat Slideshow Section */
.chat-slideshow-section {
  padding: 80px 0;
  position: relative;
  z-index: 1;
}

.chat-slideshow-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 20px;
  color: #fff;
  background: linear-gradient(to right, #ffffff, #38bdf8, #a855f7);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.chat-slideshow-description {
  text-align: center;
  font-size: 1.1rem;
  color: #cbd5e1;
  margin-bottom: 50px;
  line-height: 1.8;
}

.slideshow-container {
  position: relative;
  width: 100%;
  margin: 0 auto;
  background: transparent;
  overflow: visible;
  padding: 0 20px;
}

.slideshow-wrapper {
  position: relative;
  width: 100%;
  overflow: hidden;
  aspect-ratio: 649 / 989;
  max-height: 600px;
  cursor: pointer;
  mask-image: linear-gradient(
    to right,
    transparent 0%,
    black 15%,
    black 85%,
    transparent 100%
  );
  -webkit-mask-image: linear-gradient(
    to right,
    transparent 0%,
    black 15%,
    black 85%,
    transparent 100%
  );
}

.slideshow-track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  height: 100%;
  align-items: center;
  will-change: transform;
}

.slideshow-slide {
  min-width: 40%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  padding: 0 10px;
  box-sizing: border-box;
}

.slideshow-slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  background: transparent;
}

.slideshow-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(30, 41, 59, 0.8);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(148, 163, 184, 0.3);
  color: #fff;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  z-index: 10;
  user-select: none;
  padding: 0;
  margin: 0;
}

.slideshow-btn .material-icons {
  font-size: 32px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.slideshow-btn:hover {
  background: rgba(30, 41, 59, 0.95);
  border-color: rgba(56, 189, 248, 0.5);
  box-shadow: 0 4px 20px rgba(56, 189, 248, 0.3);
  transform: translateY(-50%) scale(1.1);
}

.slideshow-btn:active {
  transform: translateY(-50%) scale(0.95);
}

.slideshow-btn-prev {
  left: 20px;
}

.slideshow-btn-next {
  right: 20px;
}

.slideshow-indicators {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 30px;
  flex-wrap: wrap;
}

.slideshow-indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(148, 163, 184, 0.4);
  border: 1px solid rgba(148, 163, 184, 0.2);
  cursor: pointer;
  transition: all 0.3s ease;
  padding: 0;
  border: none;
}

.slideshow-indicator:hover {
  background: rgba(148, 163, 184, 0.6);
  transform: scale(1.2);
}

.slideshow-indicator.active {
  background: #38bdf8;
  box-shadow: 0 0 10px rgba(56, 189, 248, 0.5);
  transform: scale(1.3);
}

/* Responsive */
@media (max-width: 768px) {
  header {
    padding: 40px 0 30px;
  }

  .header-brand {
    flex-direction: column;
    gap: 20px;
  }

  .header-logo {
    height: 50px;
  }

  .header-title-wrapper {
    min-width: 0;
    width: 100%;
  }

  header h1,
  .header-main-title {
    font-size: 1.6rem;
    line-height: 1.4;
  }

  .subscriber-count {
    display: block;
    margin-bottom: 8px;
  }

  .content-section {
    flex-direction: column;
    align-items: stretch;
    padding: 30px 0 40px;
  }

  .container {
    padding: 0 10px;
  }

  .card {
    width: auto;
    max-width: 100%;
    flex: 0 0 auto;
    overflow: visible;
    margin-bottom: 15px;
  }

  .card-content {
    padding: 20px;
    overflow: visible;
    word-wrap: break-word;
    overflow-wrap: break-word;
  }

  .card-content h2 {
    font-size: 1.2rem;
    gap: 8px;
    word-wrap: break-word;
    overflow-wrap: break-word;
  }

  .title-text {
    min-width: 0;
    flex: 1 1 100%;
    word-wrap: break-word;
    overflow-wrap: break-word;
  }

  .badge {
    font-size: 0.85rem;
    padding: 6px 12px;
    flex-shrink: 0;
  }

  .card-content .highlight-line {
    padding: 12px 15px;
    margin: 15px 0 20px 0;
    font-size: 0.95rem;
    word-wrap: break-word;
    overflow-wrap: break-word;
  }

  .card-content ul {
    padding-left: 0;
    list-style: none;
    word-wrap: break-word;
    overflow-wrap: break-word;
  }

  .card-content li {
    font-size: 0.9rem;
    line-height: 1;
    word-wrap: break-word;
    overflow-wrap: break-word;
  }

  .features-title {
    font-size: 2rem;
  }

  .features-grid {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 20px;
  }

  .feature-icon-circle {
    width: 100px;
    height: 100px;
  }

  .feature-icon {
    font-size: 2.8rem;
  }

  .feature-text {
    font-size: 0.9rem;
  }

  .reviews-title {
    font-size: 2rem;
  }

  .reviews-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .feature-cards-section {
    padding: 15px 0;
  }

  .feature-cards-container {
    padding: 0 10px;
  }

  .feature-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 25px 18px;
    gap: 18px;
  }

  .feature-card-emoji {
    width: 70px;
    height: 70px;
    font-size: 3rem;
  }

  .feature-card-title {
    font-size: 1.4rem;
    margin-bottom: 12px;
  }

  .feature-card-description {
    font-size: 1rem;
    line-height: 1.6;
  }

  .feature-cards-btn {
    width: 40px;
    height: 40px;
  }

  .feature-cards-btn .material-icons {
    font-size: 24px;
  }

  .feature-cards-btn-prev {
    left: 10px;
  }

  .feature-cards-btn-next {
    right: 10px;
  }

  .feature-cards-indicators {
    margin-top: 15px;
    gap: 8px;
  }

  .feature-cards-indicator {
    width: 10px;
    height: 10px;
  }

  .chat-slideshow-title {
    font-size: 2rem;
  }

  .slideshow-container {
    padding: 0 10px;
  }

  .slideshow-wrapper {
    max-height: 500px;
  }

  .slideshow-slide {
    min-width: 100%;
    padding: 0;
  }

  .slideshow-btn {
    width: 40px;
    height: 40px;
  }

  .slideshow-btn .material-icons {
    font-size: 24px;
  }

  .slideshow-btn-prev {
    left: 10px;
  }

  .slideshow-btn-next {
    right: 10px;
  }

  .slideshow-indicators {
    margin-top: 20px;
    gap: 8px;
  }

  .slideshow-indicator {
    width: 10px;
    height: 10px;
  }

  footer {
    padding: 60px 0 20px;
    margin-top: 40px;
  }

  .footer-title {
    font-size: 1.5rem;
    margin-bottom: 25px;
  }

  .footer-links {
    flex-direction: column;
    gap: 16px;
  }

  .footer-link {
    padding: 10px 20px;
    font-size: 0.95rem;
    width: 100%;
    max-width: 280px;
  }

  .footer-icon {
    font-size: 1.2rem;
    width: 24px;
    height: 24px;
  }

  .disclaimer-section {
    padding: 40px 0;
  }

  .disclaimer-content {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .disclaimer-column {
    gap: 12px;
  }

  .disclaimer-item {
    padding: 10px 15px;
    font-size: 0.9rem;
  }

  .disclaimer-icon {
    font-size: 1.1rem;
    width: 20px;
  }

  .video-section {
    padding: 15px 0;
  }

  .video-container {
    max-width: 100%;
  }
}