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

:root {
  --primary: #1AAB8A;
  --primary-light: #E8F8F3;
  --primary-dark: #148F72;
  --accent: #0D7C5F;
  --bg: #F7FDFA;
  --bg-card: #FFFFFF;
  --text-primary: #1A2E35;
  --text-secondary: #5A7A84;
  --text-light: #8EAAB3;
  --border: #D8EDE6;
  --shadow: rgba(26, 171, 138, 0.08);
  --shadow-hover: rgba(26, 171, 138, 0.15);
  --gradient-start: #E8F8F3;
  --gradient-end: #F0FBF7;
}

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

html {
  scroll-behavior: smooth;
  background: #EAEFED;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  padding-bottom: 90px;
  max-width: 480px;
  margin: 0 auto;
  box-shadow: 0 0 40px rgba(0,0,0,0.08);
  min-height: 100vh;
}

/* ===== Animations ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInLeft {
  from { opacity: 0; transform: translateX(-30px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
@keyframes pulse {
  0%, 100% { transform: scale(1); box-shadow: 0 4px 20px rgba(26,171,138,0.3); }
  50% { transform: scale(1.05); box-shadow: 0 6px 30px rgba(26,171,138,0.5); }
}
@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(-12px); }
  60% { transform: translateY(-6px); }
}
@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}
@keyframes countUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes slideInCards {
  from { opacity: 0; transform: translateY(30px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes ripple {
  0% { box-shadow: 0 0 0 0 rgba(26,171,138,0.4); }
  70% { box-shadow: 0 0 0 15px rgba(26,171,138,0); }
  100% { box-shadow: 0 0 0 0 rgba(26,171,138,0); }
}
@keyframes gradientMove {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}
.animate-delay-1 { transition-delay: 0.1s; }
.animate-delay-2 { transition-delay: 0.2s; }
.animate-delay-3 { transition-delay: 0.3s; }
.animate-delay-4 { transition-delay: 0.4s; }

/* ===== Top Banner ===== */
.top-banner {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  text-align: center;
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.3px;
  position: relative;
  overflow: hidden;
}
.top-banner::after {
  content: '';
  position: absolute;
  top: 0; left: -200%;
  width: 200%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  animation: shimmer 3s infinite;
}

/* ===== Hero Section ===== */
.hero {
  position: relative;
  min-height: 520px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 50px 24px 40px;
  overflow: hidden;
  background: linear-gradient(175deg, #E8F8F3 0%, #F0FBF7 40%, #FFFFFF 100%);
}
.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: url('../images/hero-bg.png') center/cover no-repeat;
  opacity: 0.15;
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 400px;
  animation: fadeInUp 1s ease-out;
}
.hero-badge {
  display: inline-block;
  background: rgba(26,171,138,0.1);
  border: 1px solid rgba(26,171,138,0.2);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}
.hero-profile {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto 20px;
  border: 3px solid white;
  box-shadow: 0 8px 30px var(--shadow);
  animation: scaleIn 0.8s ease-out 0.3s both;
}
.hero-profile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}
.hero-name {
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 500;
  margin-bottom: 4px;
}
.hero-title {
  font-size: 26px;
  font-weight: 800;
  line-height: 1.35;
  margin-bottom: 6px;
  color: var(--text-primary);
}
.hero-title span {
  color: var(--primary);
}
.hero-subtitle {
  font-size: 15px;
  font-weight: 500;
  color: var(--primary-dark);
  margin-bottom: 16px;
}
.hero-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 28px;
}
.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  font-size: 15px;
  font-weight: 600;
  padding: 14px 32px;
  border-radius: 50px;
  text-decoration: none;
  box-shadow: 0 6px 25px rgba(26,171,138,0.35);
  transition: all 0.3s ease;
  animation: fadeInUp 1s ease-out 0.6s both;
}
.hero-cta:active {
  transform: scale(0.97);
}
.hero-cta img {
  width: 20px;
  height: 20px;
}

/* ===== Stats Bar ===== */
.stats-bar {
  display: flex;
  justify-content: center;
  gap: 0;
  background: white;
  margin: 0 24px;
  border-radius: 16px;
  box-shadow: 0 4px 20px var(--shadow);
  position: relative;
  top: -20px;
  z-index: 10;
  overflow: hidden;
}
.stat-item {
  flex: 1;
  text-align: center;
  padding: 20px 12px;
  position: relative;
}
.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 20%;
  height: 60%;
  width: 1px;
  background: var(--border);
}
.stat-number {
  font-size: 24px;
  font-weight: 800;
  color: var(--primary);
  display: block;
  line-height: 1.2;
}
.stat-label {
  font-size: 11px;
  color: var(--text-light);
  font-weight: 500;
  margin-top: 4px;
}

/* ===== Section Common ===== */
.section {
  padding: 50px 24px;
}
.section-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 10px;
}
.section-title {
  font-size: 22px;
  font-weight: 800;
  line-height: 1.4;
  margin-bottom: 10px;
  color: var(--text-primary);
}
.section-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 32px;
}

/* ===== Why Section (3 cards) ===== */
.why-section {
  background: linear-gradient(180deg, #FFFFFF 0%, var(--bg) 100%);
}
.feature-card {
  background: white;
  border-radius: 16px;
  padding: 28px 24px;
  margin-bottom: 16px;
  box-shadow: 0 2px 12px var(--shadow);
  border: 1px solid rgba(26,171,138,0.06);
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--primary), var(--primary-dark));
  border-radius: 0 4px 4px 0;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.feature-card.visible::before {
  opacity: 1;
}
.feature-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 22px;
  color: var(--primary);
  font-weight: 700;
}
.feature-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}
.feature-card p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ===== Method Section ===== */
.method-section {
  background: white;
  position: relative;
}
.method-img {
  width: 100%;
  border-radius: 16px;
  margin-bottom: 28px;
  box-shadow: 0 8px 30px var(--shadow);
  animation: float 4s ease-in-out infinite;
}
.method-list {
  list-style: none;
  padding: 0;
}
.method-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 0;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  border-bottom: 1px solid var(--border);
}
.method-list li:last-child {
  border-bottom: none;
}
.method-check {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}
.method-check svg {
  width: 12px;
  height: 12px;
  stroke: var(--primary);
  fill: none;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ===== Dashboard Image Section ===== */
.dashboard-section {
  background: var(--bg);
  text-align: center;
}
.dashboard-img-wrap {
  position: relative;
  margin-top: 8px;
}
.dashboard-img {
  width: 100%;
  border-radius: 16px;
  box-shadow: 0 12px 40px rgba(26,171,138,0.12);
  border: 1px solid var(--border);
}
.dashboard-img-wrap::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 10%;
  right: 10%;
  height: 20px;
  background: radial-gradient(ellipse, rgba(26,171,138,0.08), transparent);
  border-radius: 50%;
}

/* ===== Briefing Section ===== */
.briefing-section {
  background: linear-gradient(180deg, #FFFFFF 0%, var(--bg) 100%);
}
.briefing-card {
  background: white;
  border-radius: 14px;
  padding: 22px 20px;
  margin-bottom: 14px;
  box-shadow: 0 2px 12px var(--shadow);
  border: 1px solid rgba(26,171,138,0.06);
  display: flex;
  gap: 16px;
  align-items: flex-start;
  transition: all 0.3s ease;
  cursor: pointer;
}
.briefing-card:active {
  transform: scale(0.98);
}
.briefing-tag {
  flex-shrink: 0;
  padding: 6px 10px;
  border-radius: 8px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.briefing-tag.market { background: #E8F8F3; color: var(--primary-dark); }
.briefing-tag.strategy { background: #EBF0FF; color: #4A6CF7; }
.briefing-tag.guide { background: #FFF8EB; color: #D4930A; }
.briefing-tag.case { background: #FEECEF; color: #E5435A; }
.briefing-body h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-primary);
  line-height: 1.5;
}
.briefing-body p {
  font-size: 12px;
  color: var(--text-light);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.briefing-meta {
  font-size: 11px;
  color: var(--text-light);
  margin-top: 8px;
  font-weight: 500;
}

/* ===== Reviews Slider ===== */
.reviews-section {
  background: white;
  overflow: hidden;
}
.slider-wrapper {
  position: relative;
  overflow: hidden;
}
.slider-track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.25, 1, 0.5, 1);
  will-change: transform;
}
.slider-slide {
  flex-shrink: 0;
  width: 100%;
  padding: 0 4px;
}
.review-card {
  background: var(--bg);
  border-radius: 16px;
  padding: 28px 24px;
  border: 1px solid var(--border);
}
.review-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.review-avatar {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-light), #D0F0E8);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  font-weight: 700;
  color: var(--primary);
  flex-shrink: 0;
}
.review-info {
  flex: 1;
}
.review-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}
.review-role {
  font-size: 11px;
  color: var(--text-light);
  font-weight: 500;
}
.review-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-light);
  padding: 5px 12px;
  border-radius: 6px;
  margin-bottom: 12px;
}
.review-text {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.85;
}
.review-date {
  font-size: 11px;
  color: var(--text-light);
  margin-top: 14px;
  font-weight: 500;
}

/* Slider dots */
.slider-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 20px;
}
.slider-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border);
  border: none;
  padding: 0;
  cursor: pointer;
  transition: all 0.3s ease;
}
.slider-dot.active {
  width: 24px;
  border-radius: 4px;
  background: var(--primary);
}

/* Slider arrows */
.slider-arrows {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 16px;
}
.slider-arrow {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: white;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  color: var(--text-secondary);
}
.slider-arrow:active {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary);
}
.slider-arrow svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ===== Modal ===== */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.5);
  z-index: 2000;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}
.modal-overlay.show {
  opacity: 1;
  visibility: visible;
}
.modal-content {
  background: white;
  width: 100%;
  max-width: 480px;
  max-height: 80vh;
  border-radius: 20px 20px 0 0;
  padding: 0;
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.modal-overlay.show .modal-content {
  transform: translateY(0);
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.modal-header h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}
.modal-close {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-secondary);
  transition: all 0.2s ease;
}
.modal-close:active {
  background: var(--border);
}
.modal-close svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.modal-body {
  padding: 24px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 2;
}
.modal-body h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 20px 0 8px;
}
.modal-body h4:first-child {
  margin-top: 0;
}
.modal-body p {
  margin-bottom: 12px;
}
.modal-handle {
  width: 36px;
  height: 4px;
  border-radius: 2px;
  background: var(--border);
  margin: 10px auto 0;
  flex-shrink: 0;
}

/* ===== CTA Section ===== */
.cta-section {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  background-size: 200% 200%;
  animation: gradientMove 6s ease infinite;
  padding: 60px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: url('../images/network.png') center/cover no-repeat;
  opacity: 0.08;
}
.cta-section * {
  position: relative;
  z-index: 2;
}
.cta-section .section-title {
  color: white;
  font-size: 24px;
  margin-bottom: 12px;
}
.cta-section .section-desc {
  color: rgba(255,255,255,0.85);
  margin-bottom: 28px;
}
.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: white;
  color: var(--primary-dark);
  font-size: 15px;
  font-weight: 700;
  padding: 16px 36px;
  border-radius: 50px;
  text-decoration: none;
  box-shadow: 0 6px 25px rgba(0,0,0,0.15);
  transition: all 0.3s ease;
  animation: pulse 2s infinite;
}
.cta-btn:active {
  transform: scale(0.97);
}
.cta-btn img {
  width: 22px;
  height: 22px;
}
.cta-note {
  font-size: 12px;
  color: rgba(255,255,255,0.7);
  margin-top: 14px;
  font-weight: 400;
}

/* ===== Footer ===== */
.footer {
  background: #F2F7F5;
  padding: 36px 24px 30px;
  border-top: 1px solid var(--border);
}
.footer-company {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
}
.footer-info {
  font-size: 11px;
  color: var(--text-light);
  line-height: 2;
  margin-bottom: 16px;
}
.footer-legal {
  font-size: 11px;
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.footer-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-links a {
  font-size: 11px;
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  padding: 4px 0;
  border-bottom: 1px solid transparent;
  transition: all 0.2s ease;
}
.footer-links a:active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* ===== Fixed Bottom CTA ===== */
.fixed-cta {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 480px;
  z-index: 1000;
  padding: 12px 20px;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--border);
  box-shadow: 0 -4px 20px rgba(0,0,0,0.06);
}
.fixed-cta-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  font-size: 15px;
  font-weight: 700;
  padding: 16px 24px;
  border-radius: 14px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  animation: bounce 2s ease infinite;
  box-shadow: 0 4px 20px rgba(26,171,138,0.35);
  position: relative;
  overflow: hidden;
}
.fixed-cta-btn::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
  animation: shimmer 2.5s infinite;
}
.fixed-cta-btn img {
  width: 22px;
  height: 22px;
  position: relative;
  z-index: 2;
}
.fixed-cta-btn span {
  position: relative;
  z-index: 2;
}
.fixed-cta-sub {
  text-align: center;
  font-size: 10px;
  color: var(--text-light);
  margin-top: 6px;
  font-weight: 500;
}

/* ===== Responsive helpers ===== */
@media (min-width: 420px) {
  .hero-title { font-size: 30px; }
  .section-title { font-size: 24px; }
}