/* ===== 일산샴푸나이트 전용 안내 사이트 — "버블 네온" ===== */

:root {
  --bg: #050308;
  --bg-2: #0c0616;
  --ink: #f2ecff;
  --ink-dim: #b6a9cc;
  --neon-p: #b14cff;
  --neon-c: #22e0ff;
  --line: rgba(177, 76, 255, 0.28);
  --bar-h: 62px;
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: "Pretendard", "Apple SD Gothic Neo", "Noto Sans KR",
    system-ui, -apple-system, "Segoe UI", sans-serif;
  line-height: 1.85;
  font-size: 17px;
  word-break: keep-all;
  overflow-x: hidden;
  /* 고정 바에 본문이 가리지 않도록 확보 */
  padding-bottom: calc(var(--bar-h) + env(safe-area-inset-bottom, 0px) + 12px);
}

/* ---- 배경 거품(버블) 모티프 ---- */
.bubbles {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
  background:
    radial-gradient(circle at 12% 8%, rgba(177, 76, 255, 0.20), transparent 45%),
    radial-gradient(circle at 88% 20%, rgba(34, 224, 255, 0.16), transparent 42%),
    radial-gradient(circle at 50% 100%, rgba(177, 76, 255, 0.14), transparent 55%),
    var(--bg);
}

.bubbles span {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.10);
  background: radial-gradient(circle at 32% 28%,
    rgba(255, 255, 255, 0.22), rgba(34, 224, 255, 0.10) 42%, transparent 68%);
  animation: rise linear infinite;
  opacity: 0.55;
}

.bubbles span:nth-child(1) { width: 130px; height: 130px; left: 6%;  animation-duration: 26s; animation-delay: 0s; }
.bubbles span:nth-child(2) { width: 62px;  height: 62px;  left: 24%; animation-duration: 19s; animation-delay: -6s; }
.bubbles span:nth-child(3) { width: 190px; height: 190px; left: 46%; animation-duration: 33s; animation-delay: -12s; }
.bubbles span:nth-child(4) { width: 84px;  height: 84px;  left: 68%; animation-duration: 22s; animation-delay: -3s; }
.bubbles span:nth-child(5) { width: 148px; height: 148px; left: 82%; animation-duration: 29s; animation-delay: -16s; }
.bubbles span:nth-child(6) { width: 44px;  height: 44px;  left: 92%; animation-duration: 17s; animation-delay: -9s; }

@keyframes rise {
  from { transform: translateY(112vh) scale(0.82); }
  to   { transform: translateY(-28vh) scale(1.12); }
}

@media (prefers-reduced-motion: reduce) {
  .bubbles span { animation: none; opacity: 0.28; }
}

/* ---- 레이아웃 ---- */
.wrap { width: 100%; max-width: 760px; margin: 0 auto; padding: 0 20px; }

/* ---- 상단 내비 ---- */
.nav {
  border-bottom: 1px solid var(--line);
  background: rgba(5, 3, 8, 0.72);
  backdrop-filter: blur(10px);
  position: sticky; top: 0; z-index: 50;
}
.nav .wrap { display: flex; align-items: center; gap: 12px; height: 56px; }
.nav a.brand {
  font-weight: 800; font-size: 16px; letter-spacing: -0.02em;
  color: var(--ink); text-decoration: none;
}
.nav a.brand b { color: var(--neon-c); }

/* ---- 히어로 ---- */
.hero { padding: 52px 0 26px; }
.eyebrow {
  display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: 0.16em;
  color: var(--neon-c); border: 1px solid var(--line); border-radius: 999px;
  padding: 5px 13px; margin-bottom: 18px;
}
h1 {
  font-size: clamp(30px, 8vw, 50px);
  line-height: 1.24; font-weight: 900; letter-spacing: -0.035em;
  background: linear-gradient(96deg, var(--ink) 6%, var(--neon-c) 52%, var(--neon-p) 96%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

h2 {
  font-size: clamp(21px, 5vw, 27px); font-weight: 800; letter-spacing: -0.03em;
  margin: 44px 0 14px; line-height: 1.38;
}
h2::before {
  content: ""; display: block; width: 38px; height: 3px; margin-bottom: 13px;
  background: linear-gradient(90deg, var(--neon-p), var(--neon-c));
  border-radius: 3px;
}

h3 { font-size: 18px; font-weight: 800; margin: 22px 0 6px; letter-spacing: -0.02em; }

p { margin: 0 0 15px; color: var(--ink); }
p.lead { font-size: 18px; color: var(--ink-dim); }

/* ---- 박스류 ---- */
.box {
  border: 1px solid var(--line); border-radius: 16px;
  background: linear-gradient(160deg, rgba(177, 76, 255, 0.10), rgba(34, 224, 255, 0.05));
  padding: 20px 20px 8px; margin: 26px 0;
}
.box h3 { margin-top: 0; color: var(--neon-c); font-size: 15px; letter-spacing: 0.04em; }
.box ul { margin: 0 0 12px; padding-left: 19px; }
.box li { margin-bottom: 7px; }

.answer {
  border: 1px solid rgba(34, 224, 255, 0.45); border-radius: 16px;
  background: rgba(34, 224, 255, 0.07);
  padding: 22px 20px; margin: 30px 0;
}
.answer h3 { color: var(--neon-c); margin-top: 0; }

.oneline {
  border-left: 4px solid var(--neon-p);
  background: rgba(177, 76, 255, 0.10);
  border-radius: 0 12px 12px 0;
  padding: 16px 18px; margin: 30px 0; font-weight: 700;
}

/* ---- 표 ---- */
table { width: 100%; border-collapse: collapse; margin: 22px 0; font-size: 15px; }
th, td { border: 1px solid var(--line); padding: 11px 12px; text-align: left; vertical-align: top; }
th { background: rgba(177, 76, 255, 0.14); font-weight: 700; width: 34%; color: var(--ink); }
td { color: var(--ink-dim); }

/* ---- 버튼 ---- */
.copy-btn {
  display: inline-block; cursor: pointer;
  border: 1px solid var(--neon-c); border-radius: 999px;
  background: transparent; color: var(--neon-c);
  font: inherit; font-weight: 700; font-size: 15px;
  padding: 11px 22px; margin: 6px 0 18px;
}
.copy-btn:active { background: rgba(34, 224, 255, 0.16); }

/* ---- 내부 링크 ---- */
.links { display: flex; flex-wrap: wrap; gap: 10px; margin: 26px 0; }
.links a {
  border: 1px solid var(--line); border-radius: 999px;
  padding: 9px 16px; font-size: 14px; font-weight: 600;
  color: var(--ink); text-decoration: none;
}
.links a:hover { border-color: var(--neon-c); color: var(--neon-c); }

/* ---- FAQ ---- */
.faq { border-top: 1px solid var(--line); margin-top: 12px; }
.faq details { border-bottom: 1px solid var(--line); padding: 14px 0; }
.faq summary { cursor: pointer; font-weight: 700; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before { content: "Q. "; color: var(--neon-c); font-weight: 800; }
.faq p { margin: 10px 0 0; color: var(--ink-dim); }

/* ---- 푸터 ---- */
footer { border-top: 1px solid var(--line); margin-top: 52px; padding: 30px 0 24px; }
.ad-box {
  border: 2px solid var(--neon-p); border-radius: 16px;
  background: rgba(177, 76, 255, 0.14);
  padding: 20px; text-align: center; margin-bottom: 20px;
}
.ad-box strong {
  display: block; font-size: clamp(19px, 5vw, 24px); font-weight: 900;
  letter-spacing: -0.02em; color: var(--ink);
}
.disclaimer { font-size: 13px; color: var(--ink-dim); line-height: 1.75; }

/* ---- 하단 고정 바 ---- */
.fixed-bar {
  position: fixed; bottom: 0; left: 0; width: 100%; z-index: 9999;
  display: block; text-align: center; text-decoration: none;
  background: linear-gradient(90deg, var(--neon-p), var(--neon-c));
  color: #0a0413; font-weight: 900; font-size: 16px; letter-spacing: -0.02em;
  line-height: var(--bar-h);
  height: calc(var(--bar-h) + env(safe-area-inset-bottom, 0px));
  padding-bottom: env(safe-area-inset-bottom, 0px);
  box-shadow: 0 -8px 26px rgba(177, 76, 255, 0.34);
}