/* TOOMCARD Modern Premium Design System */
:root {
  --bg-primary: #07050d;
  --bg-secondary: #0d0a18;
  --bg-card: rgba(22, 16, 38, 0.65);
  --bg-card-hover: rgba(30, 22, 52, 0.85);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(168, 85, 247, 0.35);
  
  --accent-gold: #ffd978;
  --accent-gold-glow: rgba(255, 217, 120, 0.3);
  --accent-purple: #a855f7;
  --accent-pink: #ec4899;
  --accent-cyan: #38bdf8;
  
  --text-main: #ffffff;
  --text-muted: #94a3b8;
  --text-subtle: #64748b;

  --font-heading: "Montserrat", sans-serif;
  --font-body: "Pretendard", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(168, 85, 247, 0.15) 0%, transparent 60%),
    radial-gradient(circle at 90% 20%, rgba(236, 72, 153, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 10% 40%, rgba(56, 189, 248, 0.08) 0%, transparent 40%);
  background-attachment: fixed;
}

/* Glassmorphism Classes */
.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
}

.gradient-text {
  background: linear-gradient(135deg, #ffffff 20%, var(--accent-gold) 60%, var(--accent-pink) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-purple {
  background: linear-gradient(135deg, #c084fc 0%, #ec4899 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

/* Header */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 72px;
  background: rgba(7, 5, 13, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 1000;
  display: flex;
  align-items: center;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: #fff;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 20px;
  letter-spacing: 1px;
}

.brand-symbol {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-pink));
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 16px rgba(168, 85, 247, 0.4);
}

.brand-badge {
  font-size: 11px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 99px;
  background: rgba(255, 217, 120, 0.15);
  color: var(--accent-gold);
  border: 1px solid rgba(255, 217, 120, 0.3);
  margin-left: 6px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-menu a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14.5px;
  font-weight: 600;
  transition: color 0.2s;
}

.nav-menu a:hover {
  color: #fff;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, #a855f7 0%, #ec4899 100%);
  color: #fff;
  box-shadow: 0 4px 20px rgba(168, 85, 247, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(168, 85, 247, 0.55);
}

.btn-gold {
  background: linear-gradient(135deg, #ffd978 0%, #f59e0b 100%);
  color: #000;
  box-shadow: 0 4px 20px rgba(255, 217, 120, 0.35);
  font-weight: 800;
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(255, 217, 120, 0.55);
}

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

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

.btn-lg {
  padding: 16px 32px;
  font-size: 16px;
  border-radius: 16px;
}

/* Hero Section */
.hero-section {
  padding: 160px 0 100px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 99px;
  background: rgba(168, 85, 247, 0.12);
  border: 1px solid rgba(168, 85, 247, 0.3);
  color: #d8b4fe;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 24px;
}

.hero-title {
  font-size: 52px;
  line-height: 1.2;
  font-weight: 900;
  letter-spacing: -1.5px;
  margin-bottom: 20px;
}

.hero-desc {
  font-size: 17px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 540px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.hero-stats-row {
  display: flex;
  gap: 32px;
  border-top: 1px solid var(--border-subtle);
  padding-top: 24px;
}

.stat-item h4 {
  font-size: 26px;
  font-weight: 800;
  color: #fff;
  font-family: var(--font-heading);
}

.stat-item p {
  font-size: 12.5px;
  color: var(--text-subtle);
  font-weight: 500;
}

/* 3D Showcase Card Simulator in Hero */
.card-showcase-wrapper {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.simulator-frame {
  width: 100%;
  max-width: 420px;
  height: 640px;
  background: rgba(18, 12, 32, 0.8);
  border: 1px solid rgba(168, 85, 247, 0.35);
  border-radius: 36px;
  padding: 12px;
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.8), 0 0 50px rgba(168, 85, 247, 0.2);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.simulator-notch {
  width: 120px;
  height: 18px;
  background: #07050d;
  border-radius: 0 0 14px 14px;
  margin: 0 auto 6px;
  flex-shrink: 0;
}

.simulator-iframe {
  width: 100%;
  height: calc(100% - 24px);
  border: none;
  border-radius: 24px;
  background: #000;
  display: block;
}

.sample-switcher {
  display: flex;
  gap: 8px;
  margin-top: 18px;
  background: rgba(255, 255, 255, 0.05);
  padding: 6px;
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
}

.sample-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 12.5px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
}

.sample-btn.active {
  background: var(--accent-purple);
  color: #fff;
  box-shadow: 0 2px 10px rgba(168, 85, 247, 0.4);
}

/* Section Common */
.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 60px;
}

.section-tag {
  color: var(--accent-purple);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 12px;
  display: block;
}

.section-title {
  font-size: 38px;
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: -0.8px;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 16px;
  color: var(--text-muted);
}

/* Feature Cards Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-box {
  padding: 36px 30px;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.feature-box:hover {
  transform: translateY(-5px);
  border-color: rgba(168, 85, 247, 0.4);
  box-shadow: 0 20px 40px -15px rgba(168, 85, 247, 0.15);
}

.feature-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(168, 85, 247, 0.15);
  border: 1px solid rgba(168, 85, 247, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #d8b4fe;
  margin-bottom: 24px;
}

.feature-title {
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 12px;
}

.feature-text {
  font-size: 14.5px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Pricing Grid */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: stretch;
}

.pricing-card {
  padding: 44px 32px;
  display: flex;
  flex-direction: column;
  position: relative;
}

.pricing-card.featured {
  border-color: var(--accent-purple);
  box-shadow: 0 0 50px rgba(168, 85, 247, 0.25);
  background: linear-gradient(180deg, rgba(30, 20, 56, 0.7) 0%, rgba(14, 10, 26, 0.8) 100%);
}

.popular-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-pink));
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  padding: 4px 14px;
  border-radius: 99px;
  letter-spacing: 1px;
}

.tier-name {
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 8px;
}

.tier-desc {
  font-size: 13.5px;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.tier-price {
  font-size: 40px;
  font-weight: 900;
  font-family: var(--font-heading);
  margin-bottom: 24px;
}

.tier-price span {
  font-size: 15px;
  color: var(--text-subtle);
  font-weight: 500;
}

.tier-features {
  list-style: none;
  margin-bottom: 32px;
  flex: 1;
}

.tier-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: #e2e8f0;
  margin-bottom: 14px;
}

.tier-features li i {
  color: #4ade80;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* Slogan Mission Banner */
.slogan-box {
  background: linear-gradient(135deg, rgba(255, 217, 120, 0.08) 0%, rgba(168, 85, 247, 0.12) 100%);
  border: 1px solid rgba(255, 217, 120, 0.35);
  border-radius: 28px;
  padding: 48px 44px;
  margin-top: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.slogan-left .slogan-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 14px;
  border-radius: 99px;
  background: rgba(255, 217, 120, 0.12);
  border: 1px solid rgba(255, 217, 120, 0.3);
  color: var(--accent-gold);
  font-size: 12px;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.slogan-left h3 {
  font-size: 26px;
  font-weight: 900;
  line-height: 1.4;
  color: #ffffff;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.slogan-left p {
  font-size: 15px;
  color: #cbd5e1;
  line-height: 1.7;
  max-width: 660px;
}

.slogan-actions {
  flex-shrink: 0;
}

/* Footer */
footer {
  border-top: 1px solid var(--border-subtle);
  padding: 60px 0 40px;
  background: #040207;
  color: var(--text-subtle);
  font-size: 13.5px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

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

.footer-links a {
  color: var(--text-subtle);
  text-decoration: none;
  transition: color 0.2s;
}

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

/* How It Works Steps */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.step-card {
  padding: 36px 30px;
  position: relative;
  border-radius: 24px;
}

.step-num {
  font-family: var(--font-heading);
  font-size: 40px;
  font-weight: 900;
  color: var(--accent-gold);
  opacity: 0.8;
  margin-bottom: 16px;
  line-height: 1;
}

.step-title {
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 12px;
  color: #fff;
}

.step-text {
  font-size: 14.5px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* NFC Physical Showcase Banner */
.nfc-banner {
  background: radial-gradient(circle at 10% 50%, rgba(255, 217, 120, 0.1) 0%, rgba(168, 85, 247, 0.08) 50%, rgba(13, 10, 24, 0.8) 100%);
  border: 1px solid rgba(255, 217, 120, 0.35);
  border-radius: 28px;
  padding: 50px 48px;
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 40px;
  align-items: center;
  margin-top: 70px;
}

.nfc-left h3 {
  font-size: 28px;
  font-weight: 900;
  color: #ffffff;
  margin-bottom: 14px;
  letter-spacing: -0.5px;
}

.nfc-left p {
  font-size: 15px;
  color: #cbd5e1;
  line-height: 1.7;
  margin-bottom: 24px;
}

.nfc-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 12px;
  border-radius: 99px;
  background: rgba(255, 217, 120, 0.15);
  border: 1px solid rgba(255, 217, 120, 0.3);
  color: var(--accent-gold);
  font-size: 12px;
  font-weight: 800;
  margin-bottom: 16px;
}

.nfc-preview-box {
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  padding: 24px;
  text-align: center;
}

/* Reviews / Social Proof */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.review-card {
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.review-card:hover {
  transform: translateY(-4px);
  border-color: rgba(168, 85, 247, 0.4);
}

.review-stars {
  color: var(--accent-gold);
  font-size: 14px;
  margin-bottom: 16px;
  display: flex;
  gap: 3px;
}

.review-text {
  font-size: 15px;
  color: #e2e8f0;
  line-height: 1.7;
  margin-bottom: 24px;
  font-style: italic;
}

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

.review-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, #a855f7, #ec4899);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: #fff;
  font-size: 16px;
}

.author-name {
  font-size: 14.5px;
  font-weight: 700;
  color: #fff;
}

.author-title {
  font-size: 12px;
  color: var(--text-muted);
}

/* FAQ Accordion */
.faq-wrap {
  max-width: 820px;
  margin: 48px auto 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  background: var(--bg-card);
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.faq-item.active {
  border-color: rgba(168, 85, 247, 0.5);
  background: rgba(22, 16, 38, 0.85);
}

.faq-question {
  padding: 22px 26px;
  font-size: 16px;
  font-weight: 700;
  color: #ffffff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  user-select: none;
}

.faq-question:hover {
  color: #e9d5ff;
}

.faq-toggle-icon {
  transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle-icon {
  transform: rotate(180deg);
  color: #c084fc;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  font-size: 14.5px;
  color: #cbd5e1;
  line-height: 1.7;
  padding: 0 26px;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 26px 22px;
}

/* NFC Product Lineup Grid */
.nfc-lineup-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 36px;
}

.nfc-product-card {
  padding: 28px 24px;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-radius: 20px;
  position: relative;
  transition: all 0.3s ease;
}

.nfc-product-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 217, 120, 0.4);
}

.nfc-product-card.gold-edge {
  border-color: rgba(255, 217, 120, 0.35);
  background: radial-gradient(circle at 50% 0%, rgba(255, 217, 120, 0.1) 0%, rgba(22, 16, 38, 0.7) 100%);
}

.nfc-card-visual {
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 64px;
  margin-bottom: 16px;
}

.nfc-card-title {
  font-size: 19px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 6px;
}

.nfc-card-desc {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 16px;
  min-height: 40px;
}

.nfc-card-price {
  font-size: 22px;
  font-weight: 900;
  color: var(--accent-gold);
  margin-bottom: 16px;
}

.nfc-card-price span {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
}

/* Mobile Responsive */
@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-cta-group {
    justify-content: center;
  }
  .hero-stats-row {
    justify-content: center;
  }
  .features-grid, .pricing-grid, .steps-grid, .reviews-grid, .nfc-lineup-grid {
    grid-template-columns: 1fr;
  }
  .slogan-box, .nfc-banner {
    grid-template-columns: 1fr;
    flex-direction: column;
    text-align: center;
    padding: 32px 24px;
  }
  .nav-menu {
    display: none;
  }
}