@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@300;400;500;600;700;800;900&family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
  --bg-primary: #080d16;
  --bg-secondary: #0e1525;
  --bg-card: rgba(255,255,255,0.04);
  --bg-card-hover: rgba(255,255,255,0.07);
  --border-color: rgba(255,255,255,0.08);
  --border-glow: rgba(34,211,238,0.3);
  --text-primary: #e8edf5;
  --text-secondary: #8b95a8;
  --text-muted: #5a6478;
  --accent-cyan: #22d3ee;
  --accent-blue: #3b82f6;
  --accent-gradient: linear-gradient(135deg, #22d3ee, #3b82f6);
  --accent-gradient-hover: linear-gradient(135deg, #06b6d4, #2563eb);
  --glow-cyan: rgba(34,211,238,0.15);
  --glow-blue: rgba(59,130,246,0.15);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
}

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

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

body {
  font-family: 'Noto Sans KR', 'Inter', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

/* ===== UTILITY ===== */
.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-badge {
  display: inline-block;
  padding: 6px 20px;
  border: 1px solid var(--border-color);
  border-radius: 100px;
  font-size: 0.85rem;
  color: var(--accent-cyan);
  background: rgba(34,211,238,0.06);
  letter-spacing: 0.5px;
  margin-bottom: 20px;
}
.pain-section .container,
.solution-section .container,
.features-section .container,
.target-section .container,
.pricing-section .container,
.faq-section .container,
.final-cta .container { text-align: center; }
.pain-grid, .solution-grid, .features-list, .faq-list, .target-list { text-align: left; }
.reveal { opacity: 0; transform: translateY(40px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.active { opacity: 1; transform: translateY(0); }

/* ===== BACKGROUND DECORATION ===== */
.bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
  z-index: 0;
}
.bg-orb-1 { width:500px; height:500px; background:var(--glow-cyan); top:-200px; right:-150px; }
.bg-orb-2 { width:400px; height:400px; background:var(--glow-blue); bottom:-150px; left:-100px; }
.bg-orb-3 { width:350px; height:350px; background:rgba(139,92,246,0.08); top:50%; left:50%; transform:translate(-50%,-50%); }

/* ===== HEADER ===== */
.site-header {
  position: fixed; top:0; left:0; right:0; z-index:100;
  padding: 16px 0;
  background: rgba(8,13,22,0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  transition: all 0.3s ease;
}
.site-header.scrolled { padding: 10px 0; background: rgba(8,13,22,0.95); }
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 1080px; margin: 0 auto; padding: 0 24px;
}
.logo {
  font-size: 1.3rem; font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.5px;
}
.header-cta {
  padding: 10px 24px;
  background: var(--accent-gradient);
  color: #fff; font-weight: 600; font-size: 0.9rem;
  border: none; border-radius: 100px; cursor: pointer;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.3s;
}
.header-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(34,211,238,0.3);
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}
.hero-content { position: relative; z-index:1; }
.hero-eyebrow {
  font-size: 0.95rem; color: var(--accent-cyan);
  font-weight: 500; margin-bottom: 16px;
  display: flex; align-items: center; gap: 8px;
}
.hero-eyebrow::before {
  content:''; width:24px; height:2px;
  background: var(--accent-gradient); display:block;
}
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 900; line-height: 1.3;
  margin-bottom: 24px; letter-spacing: -1px;
}
.hero-desc {
  font-size: 1.1rem; color: var(--text-secondary);
  max-width: 560px; margin-bottom: 36px; line-height: 1.8;
}
.hero-tags { display: flex; flex-wrap:wrap; gap:10px; margin-bottom:36px; }
.hero-tag {
  padding: 8px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 100px;
  font-size: 0.85rem; color: var(--text-secondary);
}
.hero-buttons { display:flex; flex-wrap:wrap; gap:14px; }
.btn-primary {
  display: inline-flex; align-items:center; gap:8px;
  padding: 16px 36px;
  background: var(--accent-gradient);
  color: #fff; font-weight: 700; font-size: 1rem;
  border: none; border-radius: 100px; cursor: pointer;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.3s;
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(34,211,238,0.35);
}
.btn-secondary {
  display: inline-flex; align-items:center; gap:8px;
  padding: 16px 36px;
  background: transparent;
  color: var(--text-primary); font-weight: 600; font-size: 1rem;
  border: 1px solid var(--border-color); border-radius: 100px;
  cursor: pointer; text-decoration: none;
  transition: all 0.3s;
}
.btn-secondary:hover {
  border-color: var(--accent-cyan);
  background: rgba(34,211,238,0.05);
}

/* ===== PAIN SECTION ===== */
.pain-section { padding: 80px 0; position:relative; }
.pain-section .section-title {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 800; text-align:center;
  margin-bottom: 16px; line-height:1.4;
}
.pain-section .section-sub {
  text-align:center; color:var(--text-secondary);
  max-width:600px; margin:0 auto 60px; font-size:1rem;
}
.pain-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}
.pain-card {
  padding: 32px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}
.pain-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(239,68,68,0.3);
  transform: translateY(-4px);
}
.pain-card .icon {
  width:48px; height:48px;
  display:flex; align-items:center; justify-content:center;
  background: rgba(239,68,68,0.1);
  border-radius: var(--radius-sm);
  margin-bottom: 18px; font-size: 1.4rem;
}
.pain-card h3 { font-size:1.1rem; font-weight:700; margin-bottom:10px; }
.pain-card p { font-size:0.92rem; color:var(--text-secondary); line-height:1.7; }

/* ===== SOLUTION SECTION ===== */
.solution-section { padding:80px 0; position:relative; }
.solution-section .section-title {
  font-size: clamp(1.6rem,3.5vw,2.4rem);
  font-weight:800; text-align:center;
  margin-bottom:16px; line-height:1.4;
}
.solution-section .section-sub {
  text-align:center; color:var(--text-secondary);
  max-width:600px; margin:0 auto 60px;
}
.solution-grid {
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(280px,1fr));
  gap:20px;
}
.solution-card {
  padding:32px 28px;
  background: var(--bg-card);
  border:1px solid var(--border-color);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}
.solution-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-glow);
  transform: translateY(-4px);
}
.solution-card .icon {
  width:48px; height:48px;
  display:flex; align-items:center; justify-content:center;
  background: rgba(34,211,238,0.1);
  border-radius: var(--radius-sm);
  margin-bottom:18px; font-size:1.4rem;
}
.solution-card h3 { font-size:1.1rem; font-weight:700; margin-bottom:10px; }
.solution-card p { font-size:0.92rem; color:var(--text-secondary); line-height:1.7; }

/* ===== STATS ===== */
.stats-section {
  padding:80px 0;
  border-top:1px solid var(--border-color);
  border-bottom:1px solid var(--border-color);
}
.stats-grid {
  display:grid;
  grid-template-columns: repeat(3,1fr);
  gap:40px; text-align:center;
}
.stat-item .stat-number {
  font-size: clamp(2.4rem,5vw,3.2rem);
  font-weight:900; font-family:'Inter','Noto Sans KR',sans-serif;
  background: var(--accent-gradient);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
}
.stat-item .stat-label {
  font-size:0.95rem; color:var(--text-secondary);
  margin-top:8px; font-weight:500;
}
.stat-item .stat-desc {
  font-size:0.82rem; color:var(--text-muted);
  margin-top:4px;
}

/* ===== FEATURES ===== */
.features-section { padding:80px 0; position:relative; }
.features-section .section-title {
  font-size: clamp(1.6rem,3.5vw,2.4rem);
  font-weight:800; text-align:center;
  margin-bottom:16px; line-height:1.4;
}
.features-section .section-sub {
  text-align:center; color:var(--text-secondary);
  max-width:600px; margin:0 auto 60px;
}
.features-list { display:flex; flex-direction:column; gap:20px; }
.feature-row {
  display:flex; align-items:stretch; gap:20px;
  padding:36px 32px;
  background: var(--bg-card);
  border:1px solid var(--border-color);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}
.feature-row:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-glow);
}
.feature-num {
  font-size:2rem; font-weight:900;
  font-family:'Inter',sans-serif;
  background: var(--accent-gradient);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  min-width:50px;
}
.feature-text h3 { font-size:1.15rem; font-weight:700; margin-bottom:8px; }
.feature-text p { font-size:0.92rem; color:var(--text-secondary); line-height:1.7; }

/* ===== TARGET ===== */
.target-section { padding:80px 0; position:relative; }
.target-section .section-title {
  font-size: clamp(1.6rem,3.5vw,2.4rem);
  font-weight:800; text-align:center;
  margin-bottom:16px; line-height:1.4;
}
.target-section .section-sub {
  text-align:center; color:var(--text-secondary);
  max-width:600px; margin:0 auto 60px;
}
.target-list {
  max-width:640px; margin:0 auto;
  display:flex; flex-direction:column; gap:14px;
}
.target-item {
  display:flex; align-items:flex-start; gap:14px;
  padding:22px 24px;
  background: var(--bg-card);
  border:1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
}
.target-item:hover {
  border-color: var(--border-glow);
  background: var(--bg-card-hover);
}
.target-check {
  width:28px; height:28px; min-width:28px;
  display:flex; align-items:center; justify-content:center;
  background: rgba(34,211,238,0.1);
  border-radius:50%; font-size:0.85rem;
  color: var(--accent-cyan);
}
.target-item p { font-size:0.95rem; color:var(--text-secondary); }

/* ===== PRICING ===== */
.pricing-section {
  padding:100px 0; position:relative;
  background: linear-gradient(180deg, transparent, rgba(34,211,238,0.03), transparent);
}
.pricing-card {
  max-width:560px; margin:0 auto;
  padding:48px 40px;
  background: var(--bg-card);
  border:1px solid var(--border-glow);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(16px);
  text-align:center;
  position:relative; overflow:hidden;
}
.pricing-card::before {
  content:''; position:absolute; top:0; left:0; right:0;
  height:3px; background: var(--accent-gradient);
}
.pricing-label { font-size:0.9rem; color:var(--text-muted); margin-bottom:8px; }
.pricing-original {
  font-size:1.3rem; color:var(--text-muted);
  text-decoration: line-through; margin-bottom:8px;
}
.pricing-price {
  font-size: clamp(2.6rem,5vw,3.6rem);
  font-weight:900; font-family:'Inter','Noto Sans KR',sans-serif;
  background: var(--accent-gradient);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  margin-bottom:8px;
}
.pricing-discount {
  display:inline-block;
  padding:4px 14px;
  background: rgba(34,211,238,0.12);
  color: var(--accent-cyan);
  border-radius:100px;
  font-size:0.85rem; font-weight:600;
  margin-bottom:32px;
}
.pricing-features {
  list-style:none; text-align:left;
  margin-bottom:36px;
  display:flex; flex-direction:column; gap:12px;
}
.pricing-features li {
  display:flex; align-items:center; gap:10px;
  font-size:0.92rem; color:var(--text-secondary);
}
.pricing-features li::before {
  content:'✓'; color:var(--accent-cyan); font-weight:700;
}
.pricing-btn {
  width:100%; padding:18px;
  background: var(--accent-gradient);
  color:#fff; font-weight:700; font-size:1.1rem;
  border:none; border-radius:100px; cursor:pointer;
  text-decoration:none; display:block; text-align:center;
  transition: transform 0.2s, box-shadow 0.3s;
}
.pricing-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(34,211,238,0.35);
}

/* ===== FAQ ===== */
.faq-section { padding:100px 0; }
.faq-section .section-title {
  font-size: clamp(1.6rem,3.5vw,2.4rem);
  font-weight:800; text-align:center;
  margin-bottom:16px; line-height:1.4;
}
.faq-section .section-sub {
  text-align:center; color:var(--text-secondary);
  max-width:600px; margin:0 auto 60px;
}
.faq-list { max-width:720px; margin:0 auto; display:flex; flex-direction:column; gap:12px; }
.faq-item {
  background: var(--bg-card);
  border:1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow:hidden;
  transition: border-color 0.3s;
}
.faq-item.open { border-color: var(--border-glow); }
.faq-question {
  width:100%; padding:22px 24px;
  background:none; border:none;
  color:var(--text-primary);
  font-size:1rem; font-weight:600;
  font-family:'Noto Sans KR',sans-serif;
  text-align:left; cursor:pointer;
  display:flex; justify-content:space-between; align-items:center;
}
.faq-question .arrow {
  transition: transform 0.3s; font-size:0.8rem; color:var(--text-muted);
}
.faq-item.open .faq-question .arrow { transform: rotate(180deg); }
.faq-answer {
  max-height:0; overflow:hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
}
.faq-item.open .faq-answer { max-height:300px; }
.faq-answer-inner {
  padding:0 24px 22px;
  font-size:0.92rem; color:var(--text-secondary); line-height:1.8;
}

/* ===== FINAL CTA ===== */
.final-cta {
  padding:100px 0 60px; text-align:center;
  position:relative;
}
.final-cta .section-title {
  font-size: clamp(1.6rem,3.5vw,2.4rem);
  font-weight:800; margin-bottom:16px; line-height:1.4;
}
.final-cta .section-sub {
  color:var(--text-secondary);
  max-width:500px; margin:0 auto 36px;
}

/* ===== FOOTER ===== */
.site-footer {
  padding:40px 0;
  border-top:1px solid var(--border-color);
  text-align:center;
}
.site-footer p { font-size:0.82rem; color:var(--text-muted); }
.site-footer .footer-brand {
  font-weight:700; margin-bottom:6px;
  color:var(--text-secondary);
}

/* ===== RESPONSIVE ===== */
@media(max-width:768px) {
  .hero { padding:100px 0 60px; min-height:auto; }
  .hero h1 { font-size:2rem; }
  .stats-grid { grid-template-columns:1fr; gap:24px; }
  .feature-row { flex-direction:column; }
  .feature-num { font-size:1.6rem; }
  .pricing-card { padding:36px 24px; }
  .hero-buttons { flex-direction:column; }
  .btn-primary, .btn-secondary { width:100%; justify-content:center; }
  .pain-grid, .solution-grid { grid-template-columns:1fr; }
}

@keyframes urgencyPulse {
  0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4); }
  50% { transform: scale(1.03); box-shadow: 0 0 15px 5px rgba(239, 68, 68, 0.2); }
  100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}

.urgency-pulse {
  animation: urgencyPulse 2s infinite ease-in-out;
  display: inline-block;
}