:root {
  --pink: #ff3faa;
  --pink-2: #e400d8;
  --ink: #050009;
  --ink-2: #100017;
  --white: #ffffff;
  --text: #121212;
  --muted: #76727c;
  --line: #0b0b0b;
  --cyan: #19d7ff;
  --gold: #f7c242;
  --red: #ff3366;
  --font: "Noto Sans KR", system-ui, sans-serif;
  --latin: "Montserrat", var(--font);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(circle at 18% 24%, rgba(255,63,170,.16), transparent 22%),
    radial-gradient(circle at 78% 18%, rgba(25,215,255,.1), transparent 24%),
    radial-gradient(circle at 68% 82%, rgba(255,208,82,.08), transparent 24%),
    linear-gradient(120deg, #fff7fb, #f9fbff, #fff4fb);
  background-size: 140% 140%;
  line-height: 1.85;
  word-break: keep-all;
  overflow-x: hidden;
  position: relative;
}

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

.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  height: 72px;
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 0 clamp(18px, 5vw, 70px);
  color: #fff;
  transition: background .25s ease, box-shadow .25s ease;
}

.topbar.scrolled {
  background: rgba(5, 0, 9, .9);
  box-shadow: 0 8px 32px rgba(255, 63, 170, .18);
  backdrop-filter: blur(16px);
}

.brand {
  font-weight: 900;
  letter-spacing: -.03em;
  font-size: 22px;
}

.nav {
  margin-left: auto;
  display: flex;
  gap: 24px;
  font-family: var(--latin);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .12em;
}

.nav a { opacity: .85; }
.nav a:hover { color: var(--pink); opacity: 1; }

.top-call {
  padding: 10px 19px;
  border-radius: 999px;
  background: var(--pink);
  color: #fff;
  font-weight: 900;
  font-size: 14px;
  box-shadow: 0 12px 36px rgba(255, 63, 170, .4);
  transition: transform .24s ease, filter .24s ease;
}

.menu-btn { display: none; }

.hero {
  position: relative;
  min-height: 760px;
  display: grid;
  place-items: center;
  overflow: hidden;
  color: #fff;
  isolation: isolate;
}

.hero-photo {
  position: absolute;
  inset: 0;
  background: url("img/3.jpg") center center / cover no-repeat;
  opacity: .78;
  z-index: -3;
}

.hero-tint {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(0,0,0,.42), rgba(255,63,170,.36), rgba(255,192,215,.3)),
    rgba(255, 63, 170, .24);
  background-size: 180% 180%;
}

.hero-content {
  margin-top: 72px;
  text-align: center;
  padding: 0 20px;
  text-shadow: 0 8px 30px rgba(0,0,0,.38);
}

.hero-kicker {
  margin: 0 0 8px;
  font-size: clamp(36px, 6vw, 66px);
  font-weight: 900;
  letter-spacing: -.07em;
  line-height: 1.1;
}

.hero h1 {
  margin: 0;
  color: var(--pink);
  font-size: clamp(48px, 8vw, 88px);
  line-height: 1.05;
  font-weight: 900;
  letter-spacing: -.06em;
}

.hero-copy {
  margin: 22px 0 42px;
  color: rgba(255,255,255,.78);
  font-size: clamp(16px, 2.1vw, 22px);
  font-weight: 500;
}

.pink-pill,
.wide-cta {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 58px;
  padding: 0 48px;
  border-radius: 999px;
  background: var(--pink);
  color: #fff;
  font-weight: 900;
  box-shadow: 0 16px 42px rgba(255,63,170,.42);
  gap: 8px;
  transition: transform .24s ease, box-shadow .24s ease, filter .24s ease;
}

.pink-pill:hover,
.wide-cta:hover,
.top-call:hover,
.quick-reserve:hover,
.quick-phone:hover {
  transform: translateY(-3px);
  filter: brightness(1.08);
}

.animated-btn {
  position: relative;
  overflow: hidden;
}

.animated-btn::after {
  content: none;
}

.phone-icon {
  display: inline-block;
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  background: currentColor;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M22 16.92v3a2 2 0 0 1-2.18 2 19.8 19.8 0 0 1-8.63-3.07 19.5 19.5 0 0 1-6-6A19.8 19.8 0 0 1 2.12 4.18 2 2 0 0 1 4.11 2h3a2 2 0 0 1 2 1.72c.12.91.33 1.8.62 2.65a2 2 0 0 1-.45 2.11L8.09 9.67a16 16 0 0 0 6.24 6.24l1.19-1.19a2 2 0 0 1 2.11-.45c.85.29 1.74.5 2.65.62A2 2 0 0 1 22 16.92z'/%3E%3C/svg%3E") center / contain no-repeat;
          mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M22 16.92v3a2 2 0 0 1-2.18 2 19.8 19.8 0 0 1-8.63-3.07 19.5 19.5 0 0 1-6-6A19.8 19.8 0 0 1 2.12 4.18 2 2 0 0 1 4.11 2h3a2 2 0 0 1 2 1.72c.12.91.33 1.8.62 2.65a2 2 0 0 1-.45 2.11L8.09 9.67a16 16 0 0 0 6.24 6.24l1.19-1.19a2 2 0 0 1 2.11-.45c.85.29 1.74.5 2.65.62A2 2 0 0 1 22 16.92z'/%3E%3C/svg%3E") center / contain no-repeat;
}

.stats-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: linear-gradient(100deg, #310016, #08001b 74%, #061a25);
  border-top: 2px solid var(--pink);
  border-bottom: 1px solid rgba(255,63,170,.4);
  color: #fff;
}

.stats-band div {
  min-height: 140px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 24px 7vw;
  position: relative;
}

.stats-band div + div::before {
  content: "";
  position: absolute;
  left: 0;
  top: 38px;
  bottom: 38px;
  width: 1px;
  background: linear-gradient(var(--pink), #1fbaff);
}

.stats-band strong {
  font-family: var(--latin);
  color: var(--pink-2);
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1;
}

.stats-band span {
  margin-top: 10px;
  color: rgba(255,255,255,.62);
  font-size: 14px;
}

.section { padding: 86px 0; }
.section.compact { padding-top: 18px; }
.white {
  background:
    radial-gradient(circle at 92% 8%, rgba(255,63,170,.055), transparent 28%),
    linear-gradient(180deg, #fff 0%, #fff8fc 100%);
}
.dark {
  background:
    radial-gradient(circle at 88% 82%, rgba(255,63,170,.22), transparent 30%),
    radial-gradient(circle at 12% 18%, rgba(25,215,255,.1), transparent 26%),
    linear-gradient(135deg, #15031d, #230820 48%, #0b1020);
  background-size: 180% 180%;
  color: #fff;
}

.wrap {
  width: min(940px, calc(100% - 40px));
  margin: 0 auto;
}

.wrap.narrow { width: min(940px, calc(100% - 48px)); }

.outline-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 146px;
  height: 34px;
  margin: 0 0 30px;
  border: 1px solid #111;
  border-radius: 5px;
  font-family: var(--latin);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: .42em;
  padding-left: .42em;
}

.outline-label.light { border-color: rgba(255,255,255,.85); color: #fff; }

h2 {
  margin: 0;
  font-size: clamp(30px, 4.2vw, 42px);
  line-height: 1.25;
  letter-spacing: -.055em;
  font-weight: 900;
}

h3 {
  margin: 34px 0 12px;
  font-size: 24px;
  line-height: 1.35;
  letter-spacing: -.04em;
  font-weight: 900;
}

p { font-size: 17px; }

.short-line {
  width: 86px;
  height: 1px;
  background: #111;
  margin: 18px 0 30px;
}

.light-line { background: #fff; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 42px;
}

.feature-card {
  position: relative;
  min-height: 292px;
  padding: 34px;
  border-radius: 12px;
  display: grid;
  grid-template-columns: 178px minmax(0, 1fr);
  column-gap: 62px;
  align-items: center;
  background:
    linear-gradient(145deg, rgba(35,24,37,.72), rgba(8,8,15,.78)),
    radial-gradient(circle at 20% 15%, rgba(255,63,170,.22), transparent 36%);
  color: #fff;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.22);
  backdrop-filter: blur(18px);
  box-shadow: 0 24px 60px rgba(40, 8, 35, .14), inset 0 1px 0 rgba(255,255,255,.14);
  transition: transform .28s ease, box-shadow .28s ease, border-color .28s ease, background .28s ease;
}

.feature-card::before {
  content: none;
}

.feature-card::after {
  content: "DOPAMIN";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 0;
  font-family: var(--latin);
  font-size: clamp(56px, 5.4vw, 78px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: .04em;
  color: rgba(255,255,255,.032);
  -webkit-text-stroke: 1px rgba(255,255,255,.045);
  pointer-events: none;
  white-space: nowrap;
}

.feature-card:hover {
  transform: translateY(-8px) scale(1.01);
  box-shadow: 0 28px 70px rgba(255, 63, 170, .22), inset 0 1px 0 rgba(255,255,255,.18);
  border-color: rgba(255, 255, 255, .38);
}

.feature-img {
  position: relative;
  z-index: 1;
  width: 178px;
  height: 178px;
  border-radius: 8px;
  margin-bottom: 22px;
  border: 1px solid rgba(255,255,255,.36);
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  box-shadow: 0 16px 30px rgba(0,0,0,.3), inset 0 0 0 1px rgba(0,0,0,.18);
  transition: transform .28s ease, filter .28s ease;
}

.feature-img::after {
  content: "";
  position: absolute;
  top: 10px;
  right: -31px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(transparent, rgba(255,255,255,.22), transparent);
}

.feature-card:hover .feature-img {
  transform: scale(1.04);
  filter: saturate(1.12) contrast(1.04);
}

.feature-copy {
  position: relative;
  z-index: 1;
  padding-left: 14px;
}

.feature-card h3 {
  margin: 0;
  font-size: 26px;
}

.feature-lead {
  margin: 10px 0 12px;
  color: rgba(255,255,255,.88);
  font-weight: 800;
  font-size: 15px;
}

.feature-card p {
  color: rgba(255,255,255,.64);
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
}

.card-line {
  display: none;
}

.promo { padding-top: 10px; }
.thin-rule {
  height: 1px;
  background: #111;
  margin: 0 0 42px;
}
.promo .thin-rule:last-of-type { margin: 42px 0 54px; }
.muted-title { color: #666; margin: 0 0 4px; font-size: 20px; }
.wide-cta { display: flex; width: 100%; }

.dark-intro { color: rgba(255,255,255,.72); max-width: 760px; }

.course-list {
  display: grid;
  gap: 20px;
  margin-top: 36px;
}

.course-item {
  position: relative;
  display: grid;
  grid-template-columns: 136px 1fr auto;
  gap: 22px;
  align-items: center;
  min-height: 98px;
  padding: 22px 26px;
  border: 1px solid rgba(229, 0, 216, .22);
  border-radius: 14px;
  background: rgba(19, 0, 30, .64);
  box-shadow: inset 0 0 26px rgba(255,63,170,.04);
  overflow: hidden;
  transition: transform .24s ease, border-color .24s ease, background .24s ease;
}

.course-item::before {
  content: none;
}

.course-item:hover {
  transform: translateX(8px);
  border-color: rgba(255,63,170,.5);
  background: rgba(28, 0, 43, .78);
}

.course-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 34px;
  border: 1px solid currentColor;
  border-radius: 5px;
  font-family: var(--latin);
  font-weight: 900;
  letter-spacing: .34em;
  padding-left: .34em;
}

.course-tag.cyan { color: var(--cyan); box-shadow: 0 0 18px rgba(25,215,255,.22); }
.course-tag.pink { color: var(--pink-2); box-shadow: 0 0 18px rgba(228,0,216,.22); }
.course-tag.red { color: var(--red); }
.course-tag.gold { color: var(--gold); }

.course-item h3 { margin: 0 0 2px; font-size: 20px; }
.course-item p { margin: 0; color: rgba(255,255,255,.56); font-size: 15px; }
.course-item a { color: var(--gold); font-weight: 800; white-space: nowrap; }

.reservation-list {
  margin: 36px 0;
  padding-left: 28px;
}
.reservation-list li { margin: 16px 0; color: rgba(255,255,255,.78); }
.reservation-list b { color: var(--pink-2); }

.messenger-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.kakao-box,
.telegram-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 18px 24px;
  border-radius: 8px;
  color: #111;
  font-size: 18px;
}
.kakao-box { background: #fee500; }
.telegram-box { background: #2eaeea; color: #fff; }

.reviews-section {
  background:
    radial-gradient(circle at 14% 6%, rgba(255,63,170,.1), transparent 28%),
    radial-gradient(circle at 92% 58%, rgba(25,215,255,.09), transparent 30%),
    linear-gradient(180deg, #fff9fc 0%, #ffffff 46%, #fff4fa 100%);
}

.review-title-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 420px);
  gap: 28px;
  align-items: end;
  margin-bottom: 34px;
}

.review-title-row p:last-child {
  margin: 0;
  color: #655f69;
  font-size: 16px;
}

.review-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-top: 30px;
}
.review-card {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255,63,170,.14);
  border-radius: 12px;
  padding: 24px;
  background: rgba(255,255,255,.78);
  backdrop-filter: blur(12px);
  box-shadow: 0 18px 48px rgba(40, 10, 30, .08);
  transition: transform .24s ease, box-shadow .24s ease, border-color .24s ease;
}
.review-card::before {
  content: "”";
  position: absolute;
  right: 20px;
  top: -24px;
  font-family: Georgia, serif;
  font-size: 120px;
  line-height: 1;
  color: rgba(255,63,170,.09);
}
.review-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255,63,170,.35);
  box-shadow: 0 24px 58px rgba(255,63,170,.15);
}

.review-top {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.review-avatar {
  position: relative;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  flex: 0 0 44px;
  overflow: hidden;
  font-size: 0;
  background: linear-gradient(145deg, #dbe3e8, #aebbc8);
  border: 1px solid rgba(255,255,255,.9);
  box-shadow: 0 10px 24px rgba(80, 88, 100, .18);
}

.review-avatar::before {
  content: "";
  position: absolute;
  top: 9px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: rgba(255,255,255,.9);
}

.review-avatar::after {
  content: "";
  position: absolute;
  bottom: -7px;
  width: 34px;
  height: 28px;
  border-radius: 50% 50% 0 0;
  background: rgba(255,255,255,.86);
}

.review-top strong,
.review-top small {
  display: block;
}

.review-top strong {
  font-size: 16px;
  font-weight: 900;
}

.review-top small {
  color: #817985;
  font-size: 13px;
}
.review-card .stars { color: var(--pink); letter-spacing: .12em; }
.review-card p { margin: 12px 0 0; font-size: 15px; color: #454049; }

details {
  border-top: 1px solid #111;
  padding: 21px 0;
}
details:last-child { border-bottom: 1px solid #111; }
summary {
  cursor: pointer;
  font-size: 20px;
  font-weight: 900;
}
details p { color: #555; margin-bottom: 0; }

.footer {
  min-height: 140px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  background: var(--ink);
  color: #fff;
}
.footer strong { font-size: 24px; }
.footer span { color: rgba(255,255,255,.48); }

.floating-call {
  position: fixed;
  right: 34px;
  bottom: 22px;
  z-index: 30;
  display: flex;
  align-items: center;
  gap: 12px;
}

.quick-reserve {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 48px;
  padding: 0 23px;
  border-radius: 999px;
  background: #121014;
  color: #fff;
  font-weight: 900;
  box-shadow: 0 0 38px rgba(255,63,170,.72);
}

.quick-phone {
  display: grid;
  place-items: center;
  width: 68px;
  height: 68px;
  border-radius: 999px;
  background: var(--pink);
  color: #fff;
  box-shadow: 0 0 34px rgba(255,63,170,.52);
}

.quick-phone .phone-icon {
  width: 27px;
  height: 27px;
  flex-basis: 27px;
}

.seo-section {
  background: linear-gradient(180deg, #fff 0%, #fff 62%, #fff6fb 100%);
}

.answer-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin: 30px 0;
}

.answer-grid article {
  border: 1px solid #eee;
  border-radius: 10px;
  padding: 22px;
  background: #fff;
  box-shadow: 0 14px 36px rgba(255,63,170,.07);
}

.answer-grid h3 {
  margin-top: 0;
  font-size: 21px;
}

.answer-grid p {
  margin-bottom: 0;
  font-size: 15px;
  color: #555;
}

.seo-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 18px;
}

.seo-links a {
  color: #d60093;
  font-weight: 900;
  border: 1px solid rgba(255,63,170,.28);
  border-radius: 999px;
  padding: 8px 14px;
  text-decoration: none;
  transition: background .2s ease, color .2s ease, transform .2s ease;
}

.seo-links a:hover {
  background: var(--pink);
  color: #fff;
  transform: translateY(-2px);
}

@media (max-width: 860px) {
  .topbar { height: 64px; padding: 0 18px; }
  .nav {
    position: fixed;
    inset: 64px 0 auto;
    display: none;
    flex-direction: column;
    gap: 0;
    padding: 18px;
    background: rgba(5,0,9,.96);
  }
  .nav.open { display: flex; }
  .nav a { padding: 14px 0; }
  .top-call { margin-left: auto; font-size: 12px; padding: 8px 13px; }
  .menu-btn {
    display: grid;
    gap: 6px;
    width: 36px;
    border: 0;
    background: transparent;
  }
  .menu-btn span { display: block; height: 2px; background: #fff; }
  .hero { min-height: 680px; }
  .stats-band { grid-template-columns: repeat(2, 1fr); }
  .stats-band div { min-height: 118px; padding: 22px; }
  .stats-band div:nth-child(3)::before { display: none; }
  .card-grid, .review-grid, .messenger-row, .answer-grid { grid-template-columns: 1fr; }
  .review-title-row { grid-template-columns: 1fr; align-items: start; }
  .feature-card {
    min-height: 0;
    grid-template-columns: 150px minmax(0, 1fr);
    column-gap: 46px;
    padding: 26px;
  }
  .feature-card h3 {
    font-size: 23px;
  }
  .course-item {
    grid-template-columns: 1fr;
    align-items: start;
  }
  .floating-call { right: 18px; bottom: 16px; }
  .quick-reserve { display: none; }
}

@media (max-width: 520px) {
  .hero-kicker { font-size: 38px; }
  .hero h1 { font-size: 52px; }
  .stats-band { grid-template-columns: 1fr; }
  .stats-band div + div::before { display: none; }
  .section { padding: 62px 0; }
  .feature-img { width: 150px; height: 150px; }
  .feature-card { grid-template-columns: 1fr; }
  .feature-img::after { display: none; }
  .feature-copy { padding-left: 0; }
}