/* =============================================
   CSS VARIABLES
   ============================================= */
:root {
  --green:     #00ffa6;
  --green-dim: #00c16a;
  --green-glow: rgba(0,255,166,0.45);
  --bg:        #000000;
  --bg-card:   #0b0b0b;
  --bg-card2:  #0e0e0e;
  --text:      #ffffff;
  --text-dim:  #d0d0d0;
  --text-mute: #9f9f9f;
  --overlay:   rgba(0,0,0,.55);
  --nav-h:     72px;
  --radius:    18px;
}

/* =============================================
   RESET & BASE
   ============================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: "Noto Sans KR", sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

img { max-width: 100%; display: block; }

/* =============================================
   TYPOGRAPHY – h1/h2/h3 네온 그라디언트
   ============================================= */
h1, h2, h3 {
  font-family: "Noto Sans KR", sans-serif;
  font-weight: 800;
  letter-spacing: -0.3px;
  margin: 40px 0 25px;
  background: linear-gradient(90deg, #b6ffdb 0%, #5cffb0 25%, #00e17b 50%, #00c16a 75%, #00a95c 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
h1 { font-size: clamp(32px, 6vw, 50px); }
h2 { font-size: clamp(26px, 5vw, 40px); }
h3 { font-size: clamp(20px, 4vw, 28px); }

/* =============================================
   LAYOUT HELPERS
   ============================================= */
.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
}

.text-center { text-align: center; }

section { padding: 100px 0; }

.section-subtitle {
  color: #9ecfff;
  margin-top: -10px;
  margin-bottom: 40px;
  font-size: 17px;
}

.section-intro-text {
  font-size: 17px;
  line-height: 1.9;
  color: var(--text-dim);
  max-width: 560px;
  margin: 0 auto 50px auto;
}

.intro-text {
  font-size: 18px;
  line-height: 1.9;
  color: var(--text);
  margin-bottom: 16px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

/* =============================================
   NAVIGATION
   ============================================= */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  background: rgba(0,0,0,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0,255,166,0.15);
  transition: background 0.3s;
}

.site-nav.scrolled {
  background: rgba(0,0,0,0.96);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.nav-logo {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  text-decoration: none;
}
.nav-logo__en {
  font-family: "Orbitron", sans-serif;
  font-size: 15px;
  font-weight: 800;
  color: var(--green);
  letter-spacing: 2px;
}
.nav-logo__ko {
  font-size: 11px;
  color: rgba(255,255,255,0.5);
  letter-spacing: 1px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-link {
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  color: rgba(255,255,255,0.75);
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
}
.nav-link:hover {
  color: var(--green);
  background: rgba(0,255,166,0.08);
}

.nav-cta {
  margin-left: 10px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 700;
  color: #000;
  background: var(--green);
  border-radius: 8px;
  transition: opacity 0.2s, transform 0.2s;
  white-space: nowrap;
}
.nav-cta:hover {
  opacity: 0.88;
  transform: translateY(-1px);
}

/* 햄버거 */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--green);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =============================================
   HERO
   ============================================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  color: #fff;
  background: #0b0f14;
  padding: 80px 20px 120px;
  overflow: hidden;
}

.hero__videoWrap {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 0;
}
.hero__video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.8s ease;
}
.hero__video.ready { opacity: 1; }

.hero__overlay {
  position: absolute;
  inset: 0;
  background: var(--overlay);
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
}

.hero__logoMain {
  font-size: clamp(36px, 12vw, 90px);
  font-weight: 800;
  letter-spacing: clamp(1px, 0.8vw, 8px);
  color: var(--green);
  font-family: "Orbitron", "Noto Sans KR", sans-serif;
  text-shadow: 0 0 10px rgba(0,193,106,.6);
  white-space: nowrap;
  line-height: 1.1;
  background: none;
  -webkit-text-fill-color: var(--green);
}

.hero__logoSub {
  font-size: clamp(14px, 4vw, 34px);
  letter-spacing: clamp(1px, 0.6vw, 6px);
  margin-top: 10px;
  color: #fff;
  font-weight: 300;
  font-family: "Orbitron", sans-serif;
  white-space: nowrap;
  background: none;
  -webkit-text-fill-color: #fff;
}

.hero__korea {
  font-size: clamp(20px, 4vw, 36px);
  margin-top: 50px;
  color: #fff;
  font-weight: 500;
  letter-spacing: 4px;
  background: none;
  -webkit-text-fill-color: #fff;
}

.hero__koreaSub {
  font-size: clamp(26px, 7vw, 48px);
  color: var(--green);
  font-weight: 800;
  margin-top: 5px;
  letter-spacing: 6px;
  text-shadow: 0 0 8px rgba(0,193,106,.6);
  background: none;
  -webkit-text-fill-color: var(--green);
}

.hero__ctaWrap { margin-top: 60px; }

/* =============================================
   BUTTONS
   ============================================= */
.sr-btn {
  display: inline-block;
  padding: 18px 42px;
  font-size: 17px;
  font-weight: 700;
  color: #ffffff;
  text-decoration: none;
  border-radius: 12px;
  background: linear-gradient(90deg, #00b864, #00d97a, #00ff95);
  box-shadow: 0 0 10px rgba(0,255,150,.5), 0 6px 18px rgba(0,255,150,.3);
  position: relative;
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
}
.sr-btn::before {
  content: "";
  position: absolute;
  top: 0; left: -120%;
  width: 120%; height: 100%;
  background: linear-gradient(120deg, transparent, rgba(255,255,255,.4), transparent);
  animation: srshine 3s infinite;
}
@keyframes srshine {
  0%   { left: -120%; }
  50%  { left: 120%; }
  100% { left: 120%; }
}
.sr-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 14px rgba(0,255,150,.7), 0 8px 25px rgba(0,255,150,.4);
}

/* Floating Call */
.sr-call {
  position: fixed;
  right: 20px;
  bottom: 25px;
  z-index: 9999;
  padding: 16px 26px;
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  text-decoration: none;
  border-radius: 10px;
  background: linear-gradient(90deg, #00b864, #00d97a, #00ff95);
  box-shadow: 0 0 10px rgba(0,255,150,.5), 0 6px 18px rgba(0,255,150,.3);
  animation: srfloat 2.5s ease-in-out infinite;
}
@keyframes srfloat {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-6px); }
}

/* =============================================
   PRICE
   ============================================= */
.price-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  max-width: 700px;
  margin: 0 auto;
}
.price-item { text-align: center; }
.price-label { font-size: 20px; font-weight: 700; }
.price-value { font-size: 20px; color: #ffd000; margin-top: 10px; font-weight: 700; }

/* =============================================
   FEATURES
   ============================================= */
.section-features .container {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.feature-card {
  border-radius: 22px;
  padding: 2px;
  background: linear-gradient(135deg, #00ffa6, #00d26a);
  box-shadow: 0 0 15px var(--green-glow);
  overflow: hidden;
}
.feature-card > * {
  background: #000;
  border-radius: 20px;
  padding: 45px 35px;
  text-align: center;
  color: #fff;
}
/* 내부 래퍼 trick: feature-card 안에 div로 감싸기 */
.feature-card {
  display: block;
}
.feature-card .feature-inner {
  background: #000;
  border-radius: 20px;
  padding: 45px 35px;
  text-align: center;
}
.feature-icon {
  font-size: 34px;
  color: var(--green);
  margin-bottom: 12px;
}
.feature-card h3 {
  color: var(--green);
  margin: 0 0 14px;
  background: none;
  -webkit-text-fill-color: var(--green);
}
.feature-card p {
  color: var(--text);
  line-height: 1.8;
  font-size: 16px;
}

/* =============================================
   HOURS
   ============================================= */
.hours-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: 700px;
  margin: 0 auto;
}
.hours-item {
  background: #050505;
  border: 1px solid rgba(0,255,166,0.35);
  border-radius: 14px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.hours-item b { color: #fff; font-size: 16px; }
.hours-item span { color: var(--green); font-size: 15px; }
.hours-item--full { grid-column: span 2; }

/* =============================================
   TABLE
   ============================================= */
.table-list {
  list-style: none;
  display: inline-block;
  text-align: left;
  font-size: 18px;
  line-height: 2.2;
  margin-bottom: 30px;
}
.table-note {
  font-size: 15px;
  color: var(--text-mute);
  line-height: 1.8;
}

/* =============================================
   ACCESS
   ============================================= */
.access-list {
  display: inline-block;
  text-align: left;
  font-size: 18px;
  line-height: 2.1;
}
.access-item {
  margin-bottom: 18px;
}
.access-item strong {
  display: block;
  color: var(--green);
}

/* =============================================
   SYSTEM
   ============================================= */
.system-card {
  background: var(--bg-card);
  border-radius: 18px;
  padding: 45px 30px;
  margin-bottom: 40px;
  position: relative;
  font-size: 18px;
  line-height: 2;
  color: #fff;
}
/* ← 이 부분 추가 */
.system-card p {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
}
.system-tag {
  position: absolute;
  top: -15px;
  left: 30px;
  background: var(--green);
  color: #000;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 700;
}
.system-closing {
  border: 1px solid rgba(0,255,166,0.35);
  border-radius: 16px;
  padding: 40px 25px;
  font-size: 18px;
  line-height: 2;
  color: #fff;
  margin-bottom: 20px;
}

/* =============================================
   REVIEWS
   ============================================= */
.reviews-wrap { display: flex; flex-direction: column; gap: 30px; }

.review-bubble {
  background: var(--bg-card);
  border: 1px solid var(--green);
  border-radius: 25px;
  padding: 28px 35px;
  font-size: 17px;
  line-height: 1.8;
  position: relative;
  text-align: left;
}
.review-bubble strong {
  display: block;
  margin-bottom: 8px;
  color: #fff;
}
.review-bubble p { color: var(--text-dim); margin: 0; }

/* 꼬리 – 왼쪽 */
.review-bubble--left::before {
  content: "";
  position: absolute;
  left: -18px; top: 35px;
  border-top: 10px solid transparent;
  border-bottom: 10px solid transparent;
  border-right: 18px solid var(--green);
}
/* 꼬리 – 오른쪽 */
.review-bubble--right::after {
  content: "";
  position: absolute;
  right: -18px; top: 35px;
  border-top: 10px solid transparent;
  border-bottom: 10px solid transparent;
  border-left: 18px solid var(--green);
}

/* =============================================
   TIPS TIMELINE
   ============================================= */
.tips-timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding: 20px 0;
}
/* 중앙선 */
.tips-timeline::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0; bottom: 0;
  width: 2px;
  background: rgba(0,255,166,0.4);
  transform: translateX(-50%);
}

.tip-item {
  width: 46%;
  margin-bottom: 60px;
  position: relative;
}
.tip-item--left  { margin-right: auto; padding-right: 30px; }
.tip-item--right { margin-left: auto;  padding-left: 30px; }

.tip-dot {
  position: absolute;
  top: 28px;
  width: 16px; height: 16px;
  background: var(--green);
  border-radius: 50%;
}
.tip-item--left  .tip-dot { right: -8px; }
.tip-item--right .tip-dot { left:  -8px; }

.tip-card {
  background: var(--bg-card);
  border: 1px solid var(--green);
  border-radius: 12px;
  padding: 25px;
  text-align: left;
  color: #fff;
}
.tip-num {
  font-size: 22px;
  color: var(--green);
  font-weight: 800;
  margin-bottom: 6px;
}
.tip-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}
.tip-card p {
  font-size: 15px;
  color: var(--text-dim);
  margin: 0;
}

/* =============================================
   CAUTIONS
   ============================================= */
.caution-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  border-left: 5px solid var(--green);
  padding-left: 20px;
  margin-bottom: 35px;
}
.caution-icon { font-size: 26px; color: var(--green); flex-shrink: 0; }
.caution-item strong { display: block; color: var(--green); font-size: 17px; margin-bottom: 4px; }
.caution-item p { color: #fff; font-size: 16px; line-height: 1.8; margin: 0; }

/* =============================================
   FAQ
   ============================================= */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  text-align: left;
}
.faq-item {
  background: var(--bg-card2);
  border-radius: 16px;
  padding: 0;
  margin-bottom: 16px;
  border-left: 5px solid var(--green);
  overflow: hidden;
  transition: box-shadow 0.2s;
}
.faq-item[open] {
  box-shadow: 0 0 16px rgba(0,255,166,0.2);
}
.faq-item summary {
  cursor: pointer;
  font-size: 17px;
  font-weight: 700;
  padding: 22px 24px;
  color: #fff;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-size: 22px;
  color: var(--green);
  flex-shrink: 0;
  transition: transform 0.3s;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-answer {
  padding: 0 24px 22px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--text-dim);
}

/* =============================================
   CTA
   ============================================= */
.cta-headline {
  font-size: clamp(28px, 5vw, 40px);
  margin-bottom: 20px;
  white-space: pre-line;
}
.cta-subtext {
  font-size: 17px;
  line-height: 1.9;
  color: var(--text-dim);
  margin-bottom: 50px;
  white-space: pre-line;
}
.cta-box {
  background: #111;
  border-radius: 28px;
  padding: 60px 40px;
  border: 1px solid rgba(0,255,166,0.35);
  box-shadow: 0 0 60px rgba(0,255,166,.06);
  max-width: 680px;
  margin: 0 auto;
}
.cta-box__title {
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 16px;
}
.cta-box__text {
  color: var(--text-dim);
  font-size: 16px;
  line-height: 1.9;
  margin-bottom: 36px;
}

/* =============================================
   FOOTER
   ============================================= */
.site-footer {
  background: #050505;
  border-top: 1px solid rgba(0,255,166,0.15);
  padding: 60px 20px 40px;
  text-align: center;
}
.footer-inner {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
}
.footer-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.footer-logo__en {
  font-family: "Orbitron", sans-serif;
  font-size: 20px;
  font-weight: 800;
  color: var(--green);
  letter-spacing: 3px;
}
.footer-logo__ko {
  font-size: 13px;
  color: rgba(255,255,255,0.4);
  letter-spacing: 2px;
}
.footer-info p {
  font-size: 13px;
  color: rgba(255,255,255,0.4);
  line-height: 1.9;
}
.footer-info a { color: var(--green); }
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 20px;
}
.footer-nav a {
  font-size: 13px;
  color: rgba(255,255,255,0.4);
  transition: color 0.2s;
}
.footer-nav a:hover { color: var(--green); }
.footer-copy {
  font-size: 12px;
  color: rgba(255,255,255,0.25);
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 768px) {

  /* Nav 모바일 */
  .nav-hamburger { display: flex; }

  .nav-menu {
    display: none;
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: rgba(0,0,0,0.97);
    flex-direction: column;
    padding: 24px 20px 32px;
    gap: 4px;
    border-bottom: 1px solid rgba(0,255,166,0.15);
  }
  .nav-menu.open { display: flex; }

  .nav-link { padding: 12px 16px; font-size: 16px; width: 100%; }
  .nav-cta  { width: 100%; text-align: center; margin: 8px 0 0; padding: 14px 20px; }

  /* Price */
  .price-grid { grid-template-columns: repeat(2, 1fr); }

  /* Hours */
  .hours-grid { grid-template-columns: 1fr; }
  .hours-item--full { grid-column: span 1; }

  /* Tips timeline – 모바일에서 단순 세로 목록 */
  .tips-timeline::before { display: none; }
  .tip-item { width: 100%; padding: 0 !important; margin-bottom: 24px; }
  .tip-dot  { display: none; }

  /* Review bubbles 꼬리 제거 */
  .review-bubble--left::before,
  .review-bubble--right::after { display: none; }

  /* Hero */
  .hero { padding: 100px 20px 140px; }

  /* sr-call */
  .sr-call { font-size: 14px; padding: 13px 20px; }

  /* CTA box */
  .cta-box { padding: 40px 20px; }
}