/* ============================================================
   051 BUSAN — site.css
   남색 · 노랑 · 스텐실. 큰 글자, 넓은 여백, 스프링 모션.
   ============================================================ */

:root {
  --ink: #05070f;
  --navy: #0a0f26;
  --navy-2: #121a3f;
  --navy-3: #1b2556;
  --blue: #2a3aa0;
  --steel: #8d97c2;
  --mist: #c5cbe4;
  --white: #f3f5fb;
  --paper: #eef0f7;
  --yellow: #ffe100;
  --line: rgba(197, 203, 228, 0.14);

  --kr: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  --stencil: "BS Stencil", "Pretendard Variable", Impact, sans-serif;
  --display: "BS Display", "Pretendard Variable", Impact, sans-serif;
  --mono: "JB Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  /* JS 가 스프링 곡선(linear())으로 덮어쓴다 */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --spring: cubic-bezier(0.22, 1, 0.36, 1);
  --spring-big: cubic-bezier(0.22, 1, 0.36, 1);
  --spring-snap: cubic-bezier(0.3, 1.4, 0.5, 1);

  --nav-h: 52px;
  --wrap: 1180px;
  --pad: clamp(20px, 5vw, 56px);
  --r: 28px;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 60px; }
html.lock { overflow: hidden; }
body {
  font-family: var(--kr);
  background: var(--ink);
  color: var(--white);
  line-height: 1.5;
  letter-spacing: -0.01em;
  word-break: keep-all;
  overflow-wrap: anywhere;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
}
img, svg, canvas { display: block; max-width: 100%; }
/* 기울인 테이프가 가로 스크롤을 만들지 않게. clip 은 스크롤 영역을 만들지 않아 sticky 가 그대로 동작한다 */
main { overflow-x: clip; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
::selection { background: var(--yellow); color: var(--navy); }
:focus-visible { outline: 2px solid var(--yellow); outline-offset: 3px; border-radius: 6px; }
.whey :focus-visible, .reviews :focus-visible, .promo :focus-visible, .tile-whey :focus-visible { outline-color: var(--navy); }

.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip {
  position: absolute; left: 12px; top: -60px; z-index: 100;
  background: var(--yellow); color: var(--navy); font-weight: 800;
  padding: 10px 16px; border-radius: 10px; transition: top 0.2s;
}
.skip:focus { top: 12px; }
.mono { font-family: var(--mono); letter-spacing: 0.04em; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding-inline: var(--pad); }
.br-m { display: none; }

/* ---------- 공통 타이포 ---------- */
.eyebrow {
  font: 700 0.76rem/1.3 var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--yellow);
  margin-bottom: 18px;
}
.sec { padding-block: clamp(110px, 13vw, 180px); position: relative; }
.sec-head { max-width: 900px; margin-bottom: clamp(48px, 6vw, 84px); }
.sec-title {
  font-weight: 900;
  font-size: clamp(2.7rem, 6.2vw, 5.5rem);
  line-height: 1.04;
  letter-spacing: -0.048em;
  text-wrap: balance;
}
.sec-lead {
  margin-top: 22px;
  max-width: 680px;
  font-size: clamp(1.12rem, 1.8vw, 1.45rem);
  line-height: 1.5;
  font-weight: 600;
  color: var(--mist);
  text-wrap: pretty;
}
.sec-note { margin-top: 20px; font-size: 0.72rem; color: var(--steel); line-height: 1.6; }

/* ---------- 버튼 ---------- */
.pill {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 50px; padding: 0 26px;
  border-radius: 980px;
  background: var(--yellow); color: var(--navy);
  font-weight: 800; font-size: 1.02rem; letter-spacing: -0.01em;
  transition: transform 0.7s var(--spring-snap), background-color 0.25s;
}
.pill:hover { background: #fff04d; }
.pill:active { transform: scale(0.95); transition-duration: 0.15s; }
.pill-navy { background: var(--navy); color: var(--white); }
.pill-navy:hover { background: var(--navy-3); }
.link-arrow {
  display: inline-flex; align-items: center; gap: 4px;
  font-weight: 700; font-size: 1.02rem;
}
.link-arrow::after {
  content: "›"; font-size: 1.35em; line-height: 1; margin-top: -0.08em;
  transition: transform 0.7s var(--spring-snap);
}
.link-arrow:hover::after { transform: translateX(5px); }

/* ---------- 알림 바 ---------- */
.promo {
  position: relative; z-index: 61;
  display: flex; align-items: center; justify-content: center;
  min-height: 40px; padding: 8px 52px;
  background: var(--yellow); color: var(--navy);
  font-size: 0.86rem; font-weight: 700; text-align: center;
}
.promo[hidden] { display: none; }
.promo a { margin-left: 6px; font-weight: 900; text-decoration: underline; text-underline-offset: 3px; white-space: nowrap; }
.promo-close {
  position: absolute; right: 8px; top: 50%; transform: translateY(-50%);
  width: 36px; height: 36px; border: 0; border-radius: 50%; background: none; cursor: pointer;
  display: grid; place-items: center;
}
.promo-close:hover { background: rgba(10, 15, 38, 0.1); }
.promo-close svg { width: 18px; height: 18px; fill: none; stroke: var(--navy); stroke-width: 2; stroke-linecap: round; }

/* ---------- 내비게이션 ---------- */
.nav {
  position: sticky; top: 0; z-index: 60;
  height: var(--nav-h);
  background: rgba(5, 7, 15, 0.72);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--line);
  transition: transform 0.6s var(--ease);
}
.nav.is-hidden { transform: translateY(-100%); }
.nav-inner {
  max-width: 1240px; height: 100%; margin: 0 auto; padding-inline: var(--pad);
  display: flex; align-items: center; gap: 32px;
}
.brand { display: inline-flex; align-items: flex-end; gap: 7px; color: var(--white); flex: none; }
.brand-051 { width: 38px; height: 25px; fill: currentColor; }
.brand-busan { width: 34px; height: 10px; fill: currentColor; margin-bottom: 1px; }
.nav-links { display: flex; gap: 30px; margin-left: auto; }
.nav-links a {
  position: relative; font-size: 0.86rem; font-weight: 600;
  color: rgba(243, 245, 251, 0.76); transition: color 0.2s;
}
.nav-links a:hover, .nav-links a[aria-current="true"] { color: var(--white); }
.nav-links a[aria-current="true"]::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -7px;
  height: 2px; border-radius: 2px; background: var(--yellow);
}
.nav-menu-mail { display: none; }
.nav-cta {
  flex: none; font-size: 0.8rem; font-weight: 800;
  padding: 7px 15px; border-radius: 980px;
  background: var(--yellow); color: var(--navy);
  transition: transform 0.7s var(--spring-snap);
}
.nav-cta:active { transform: scale(0.94); }
.nav-toggle { display: none; }

/* ---------- 히어로 ---------- */
.hero { position: relative; background: radial-gradient(90% 60% at 50% 0%, #121a3f 0%, var(--ink) 70%); }
.hero-head {
  max-width: none;
  padding-top: clamp(52px, 8.5vh, 104px);
  padding-bottom: clamp(34px, 5vh, 56px);
  text-align: center;
}
.hero-head > * { animation: heroIn 1.2s var(--ease) both; }
.hero-head > :nth-child(2) { animation-delay: 0.07s; }
.hero-head > :nth-child(3) { animation-delay: 0.16s; }
.hero-head > :nth-child(4) { animation-delay: 0.24s; }
@keyframes heroIn { from { opacity: 0; transform: translateY(26px); } to { opacity: 1; transform: none; } }
.hero-eyebrow { margin-bottom: 16px; }
.hero-title {
  font-weight: 900;
  font-size: clamp(3.3rem, 8.4vw, 7.6rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
}
.hero-title .dot { color: var(--yellow); }
.hero-sub {
  margin-top: 22px;
  font-size: clamp(1.08rem, 1.9vw, 1.5rem);
  line-height: 1.45; font-weight: 600; color: var(--mist);
}
.hero-cta { margin-top: 30px; display: flex; gap: 26px; justify-content: center; align-items: center; flex-wrap: wrap; }

/* 브랜드 필름: 액자에서 시작해 스크롤하면 화면을 꽉 채운다 */
.film-track { position: relative; height: 135vh; height: 135svh; }
.film-stage { position: sticky; top: 0; height: 100vh; height: 100svh; overflow: hidden; }
.film-frame {
  position: absolute; inset: 0;
  transform-origin: 50% 0;
  transform: scale(var(--fs, 1));
  border-radius: var(--fr, 0px);
  overflow: hidden;
  background: var(--ink);
  isolation: isolate;
  will-change: transform;
}
.film-frame canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.film-poster { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.film-ui {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 2;
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 16px;
  padding: 16px clamp(16px, 3vw, 32px) calc(16px + 1.8vw + env(safe-area-inset-bottom));
}
.film-meta { display: flex; gap: 12px; font-size: 0.7rem; color: var(--mist); }
.film-label { color: var(--yellow); font-weight: 700; }
.film-time { font-variant-numeric: tabular-nums; }
.film-bars { display: flex; gap: 4px; }
.film-bars i { position: relative; width: 24px; height: 3px; border-radius: 3px; overflow: hidden; background: rgba(243, 245, 251, 0.22); }
.film-bars i::after {
  content: ""; position: absolute; inset: 0; background: var(--yellow);
  transform: scaleX(var(--f, 0)); transform-origin: left;
}
.film-ctrl { justify-self: end; display: flex; gap: 8px; }
.film-btn {
  display: inline-flex; align-items: center; gap: 8px;
  height: 40px; padding: 0 16px 0 12px;
  border: 0; border-radius: 980px; cursor: pointer;
  background: rgba(243, 245, 251, 0.16); color: var(--white);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  backdrop-filter: blur(14px) saturate(160%);
  font-size: 0.84rem; font-weight: 700;
  transition: background-color 0.25s, transform 0.7s var(--spring-snap);
}
.film-btn:hover { background: rgba(243, 245, 251, 0.26); }
.film-btn:active { transform: scale(0.94); transition-duration: 0.15s; }
.film-btn svg { width: 20px; height: 20px; fill: currentColor; }
.film-btn .st { fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; }
.film-btn-icon { width: 40px; padding: 0; justify-content: center; }
#filmSound[aria-pressed="true"] { background: var(--yellow); color: var(--navy); }
#filmSound[aria-pressed="true"] .i-off, #filmSound[aria-pressed="false"] .i-on { display: none; }
#filmPlay[aria-pressed="true"] .i-play, #filmPlay[aria-pressed="false"] .i-pause { display: none; }

/* ---------- 테이프 · 리본 ---------- */
.tape {
  position: relative; z-index: 3;
  padding: 11px 0;
  background: var(--yellow); color: var(--navy);
  transform: rotate(-1.8deg) scale(1.04);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
  overflow: hidden;
}
.tape-track, .ribbon-track { display: flex; width: max-content; animation: marquee 36s linear infinite; }
.tape span, .ribbon span {
  display: inline-block; padding-right: 0.5em; white-space: nowrap;
  font-family: var(--display); font-weight: 900; letter-spacing: 0.06em;
  transform: skewX(-10deg);
}
.tape span { font-size: clamp(1.15rem, 2vw, 1.7rem); }
.ribbon { background: var(--navy-2); border-block: 1px solid var(--line); padding: 12px 0; overflow: hidden; }
.ribbon-track { animation-direction: reverse; animation-duration: 44s; }
.ribbon span { font-size: 0.95rem; color: var(--mist); letter-spacing: 0.12em; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- 01 프롤로그 ---------- */
.prologue { background: var(--ink); }
.prologue-track { height: 250vh; height: 250svh; }
.prologue-sticky {
  position: sticky; top: 0; height: 100vh; height: 100svh;
  display: flex; flex-direction: column; justify-content: center;
}
.prologue-text {
  font-weight: 800;
  font-size: clamp(1.8rem, 4.3vw, 3.8rem);
  line-height: 1.24;
  letter-spacing: -0.038em;
}
.prologue-text .ln { display: block; color: #262d4f; transition: color 0.6s var(--ease); }
.prologue-text .ln.gap { margin-top: 0.7em; }
.prologue-text .ln.on { color: var(--white); }
.prologue-text .ln.last.on { color: var(--yellow); }

/* ---------- 02 둘러보기 ---------- */
.look { background: var(--navy); }
.look-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.look-tile {
  position: relative; display: block; aspect-ratio: 3 / 2;
  border-radius: var(--r); overflow: hidden; isolation: isolate;
  background: var(--navy-2);
}
.look-tile img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2;
  transform: scale(1.02); transition: transform 1.4s var(--ease);
}
.look-tile::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(180deg, rgba(5, 7, 15, 0) 35%, rgba(5, 7, 15, 0.72) 100%);
}
.look-tile:hover img { transform: scale(1.08); }
.look-label {
  position: absolute; left: 50%; bottom: 9%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  min-width: 56%; padding: 12px 30px 14px;
  border: 1.5px solid rgba(243, 245, 251, 0.85); border-radius: 18px;
  background: rgba(5, 7, 15, 0.28);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
  transition: background-color 0.35s, border-color 0.35s, color 0.35s;
}
.look-label em { font-style: normal; font-weight: 400; font-size: clamp(0.95rem, 1.7vw, 1.4rem); }
.look-label strong { font-weight: 900; font-size: clamp(1.2rem, 2.2vw, 1.85rem); letter-spacing: -0.03em; }
.look-label i { font-style: normal; display: inline-block; transition: transform 0.7s var(--spring-snap); }
.look-tile:hover .look-label, .look-tile:focus-visible .look-label { background: var(--yellow); border-color: var(--yellow); color: var(--navy); }
.look-tile:hover .look-label i { transform: translateX(4px); }

/* ---------- 03 라인업 (벤토) ---------- */
.lineup { background: var(--ink); }
.bento { display: grid; grid-template-columns: repeat(12, 1fr); grid-auto-rows: minmax(372px, auto); gap: 16px; }
.tile {
  position: relative; isolation: isolate; overflow: hidden;
  grid-column: span 4;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: clamp(26px, 3vw, 40px);
  border-radius: var(--r);
  background: var(--navy-2);
}
.tile-whey { grid-column: span 7; grid-row: span 2; justify-content: flex-start; background: var(--yellow); color: var(--navy); }
.tile:nth-child(2), .tile:nth-child(3) { grid-column: span 5; }
.tile:nth-child(7) { grid-column: span 5; }
.tile-wide { grid-column: span 7; }
.tile-copy { position: relative; z-index: 2; }
.tile-cat { font: 700 0.72rem var(--mono); letter-spacing: 0.16em; color: var(--yellow); }
.tile-name { margin-top: 8px; font-weight: 900; font-size: clamp(1.8rem, 2.9vw, 2.6rem); line-height: 1.06; letter-spacing: -0.045em; }
.tile-desc { margin-top: 10px; max-width: 30ch; font-size: 1.04rem; font-weight: 600; color: var(--mist); text-wrap: pretty; }
.tile-price { margin-top: 16px; font-weight: 800; font-size: 1.04rem; }
.tile-price small { margin-left: 6px; font-size: 0.76rem; font-weight: 600; color: var(--steel); }
.tile-copy > .link-arrow { margin-top: 12px; }
.tile-links { margin-top: 24px; display: flex; flex-wrap: wrap; gap: 22px; align-items: center; }
.tile-photo img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2;
  transition: transform 1.6s var(--ease);
}
.tile-photo::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(180deg, rgba(5, 7, 15, 0.02) 25%, rgba(5, 7, 15, 0.88) 100%);
}
.tile:hover img { transform: scale(1.05); }
.tile-giant {
  position: absolute; z-index: -1; pointer-events: none;
  font: 900 clamp(8rem, 17vw, 15rem)/0.8 var(--stencil);
  letter-spacing: -0.01em; white-space: nowrap;
}
.tile-type .tile-giant { top: 7%; right: 7%; color: rgba(243, 245, 251, 0.09); }
.tile-giant.outline { color: transparent; -webkit-text-stroke: 2px rgba(243, 245, 251, 0.2); }
.tile-navy { background: linear-gradient(160deg, var(--navy-3) 0%, var(--navy) 100%); }
.tile-blue { background: linear-gradient(160deg, #2c3ca6 0%, #141d5c 100%); }
.tile-whey .tile-cat { color: var(--navy); }
.tile-whey .tile-name { font-size: clamp(2.6rem, 5vw, 4.6rem); }
.tile-whey .tile-desc { color: rgba(10, 15, 38, 0.76); font-size: 1.15rem; }
.tile-whey .tile-price small { color: rgba(10, 15, 38, 0.6); }
.tile-whey .tile-giant { left: -1%; bottom: -4%; color: rgba(10, 15, 38, 0.08); font-size: clamp(9rem, 22vw, 19rem); }
.tile-tub {
  position: absolute; right: 2%; bottom: -3%; z-index: 1;
  width: min(56%, 400px); height: auto;
  filter: drop-shadow(0 34px 40px rgba(10, 15, 38, 0.35));
  transition: transform 1.2s var(--spring-big);
}
.tile-whey:hover .tile-tub { transform: translateY(-10px) rotate(-2.5deg); }

/* ---------- 04 051 WHEY ---------- */
.whey { background: var(--paper); color: var(--navy); }
.whey .eyebrow { color: var(--blue); }
.whey .sec-lead { color: #3a4470; }
.whey-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 96px); align-items: start; }
.whey-visual { position: relative; align-self: stretch; }
.tub-stage {
  position: sticky; top: 12vh; height: 76vh;
  display: flex; align-items: center; justify-content: center;
}
.tub-stage::before {
  content: ""; position: absolute; width: 78%; aspect-ratio: 1; border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 225, 0, 0.6) 0%, rgba(255, 225, 0, 0) 68%);
}
.tub {
  position: relative; width: min(100%, 440px); height: auto;
  filter: drop-shadow(0 44px 50px rgba(10, 15, 38, 0.3));
  animation: float 7s ease-in-out infinite;
}
@keyframes float { 50% { transform: translateY(-12px); } }
.spec { padding: 34px 0; border-top: 1px solid rgba(10, 15, 38, 0.14); }
.spec:first-child { border-top: 0; padding-top: 0; }
.spec-num {
  display: flex; align-items: baseline; gap: 6px;
  font: 900 clamp(4.2rem, 8vw, 7rem)/0.88 var(--display);
  font-variant-numeric: tabular-nums;
}
.spec-num small { font-size: 0.3em; font-weight: 800; color: var(--blue); letter-spacing: 0.02em; }
.spec-name { margin-top: 12px; font-weight: 900; font-size: 1.35rem; letter-spacing: -0.03em; }
.spec-desc { margin-top: 6px; color: #4a5480; font-weight: 600; }
.nutri {
  margin-top: 36px; max-width: 440px;
  padding: 20px 22px 16px;
  background: #fff; color: #000;
  border: 3px solid #000;
  box-shadow: 14px 14px 0 var(--yellow);
}
.nutri-title { font-weight: 900; font-size: 2.2rem; line-height: 1; letter-spacing: -0.04em; }
.nutri-sub { margin-top: 6px; padding-bottom: 10px; border-bottom: 10px solid #000; font-size: 0.8rem; font-weight: 600; }
.nutri table { width: 100%; border-collapse: collapse; }
.nutri th, .nutri td { padding: 7px 0; border-bottom: 1px solid rgba(0, 0, 0, 0.25); font-size: 1rem; text-align: left; font-weight: 600; }
.nutri td { text-align: right; font-weight: 800; font-variant-numeric: tabular-nums; }
.nutri tr.big th, .nutri tr.big td { font-size: 1.5rem; font-weight: 900; border-bottom: 5px solid #000; }
.nutri-foot { margin-top: 10px; font-size: 0.74rem; font-weight: 600; }
.whey-buy { margin-top: 44px; display: flex; flex-wrap: wrap; align-items: center; gap: 22px; }
.whey-price { font-weight: 900; font-size: 1.8rem; letter-spacing: -0.03em; }
.whey-price small { margin-left: 6px; font-size: 0.84rem; font-weight: 600; color: #4a5480; letter-spacing: 0; }

/* ---------- 05 다른 이유 ---------- */
.why { background: var(--navy-2); }
.nots { list-style: none; border-top: 1px solid var(--line); }
.not {
  display: grid; grid-template-columns: 72px minmax(0, 1.05fr) minmax(0, 1fr);
  align-items: center; gap: 20px 40px;
  padding: clamp(28px, 4vw, 46px) 0;
  border-bottom: 1px solid var(--line);
}
.not-no { font: 700 0.86rem var(--mono); letter-spacing: 0.12em; color: var(--steel); }
.not-bad { font-weight: 900; font-size: clamp(2.2rem, 4.9vw, 4.3rem); line-height: 1.02; letter-spacing: -0.05em; }
.not-bad s { position: relative; display: inline-block; text-decoration: none; color: var(--white); transition: color 0.8s var(--ease) 0.3s; }
.not-bad s::after {
  content: ""; position: absolute; left: -3%; right: -3%; top: 52%;
  height: 0.15em; border-radius: 0.1em; background: var(--yellow);
  transform: rotate(-2.5deg) scaleX(0); transform-origin: 0 50%;
  transition: transform 0.7s var(--spring-snap) 0.35s;
}
.js .not.in .not-bad s { color: #5a6392; }
.not.in .not-bad s::after, html:not(.js) .not-bad s::after { transform: rotate(-2.5deg) scaleX(1); }
.not-good { font-size: clamp(1.05rem, 1.6vw, 1.3rem); line-height: 1.5; font-weight: 600; color: var(--mist); text-wrap: pretty; }
.why-close {
  margin-top: clamp(64px, 8vw, 104px);
  font-weight: 900; font-size: clamp(2.3rem, 5vw, 4.3rem); line-height: 1.08; letter-spacing: -0.048em;
  color: var(--yellow);
}

/* ---------- 06 리뷰 ---------- */
.reviews { background: var(--yellow); color: var(--navy); }
.reviews .eyebrow { color: var(--navy); }
.reviews .sec-lead { color: rgba(10, 15, 38, 0.78); }
.reviews .sec-head { margin-bottom: 0; }
.reviews .sec-title { font-size: clamp(2.6rem, 4.6vw, 4rem); }
.reviews-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(40px, 6vw, 96px); align-items: end; }
.zero {
  display: flex; align-items: baseline; gap: 12px; margin-top: clamp(36px, 5vw, 64px);
  font: 900 clamp(11rem, 24vw, 20rem)/0.78 var(--stencil);
}
.zero span { font: 900 clamp(2.4rem, 5vw, 4rem) var(--kr); letter-spacing: -0.04em; }
.policy { list-style: none; }
.policy li {
  display: flex; align-items: center; gap: 12px;
  padding: 16px 0; border-bottom: 1.5px solid rgba(10, 15, 38, 0.18);
  font-weight: 800; font-size: 1.12rem;
}
.policy svg {
  width: 28px; height: 28px; flex: none; padding: 4px; border-radius: 50%;
  background: var(--navy); fill: none; stroke: var(--yellow); stroke-width: 2.6; stroke-linecap: round; stroke-linejoin: round;
}
.review-empty {
  margin-top: 28px; padding: 22px;
  display: grid; gap: 10px;
  border: 2px dashed rgba(10, 15, 38, 0.35); border-radius: 22px;
  background: rgba(255, 255, 255, 0.24);
}
.re-head { display: flex; align-items: center; gap: 10px; margin-bottom: 4px; }
.re-avatar { width: 36px; height: 36px; flex: none; border-radius: 50%; }
.re-line { display: block; height: 10px; border-radius: 6px; }
.re-avatar, .re-line {
  background: linear-gradient(90deg, rgba(10, 15, 38, 0.1), rgba(10, 15, 38, 0.2), rgba(10, 15, 38, 0.1));
  background-size: 200% 100%;
  animation: shimmer 2.4s linear infinite;
}
@keyframes shimmer { to { background-position: -200% 0; } }
.w40 { width: 40%; } .w90 { width: 90%; } .w75 { width: 75%; } .w55 { width: 55%; }
.re-badge { margin-left: auto; padding: 4px 8px; border: 1.5px solid rgba(10, 15, 38, 0.4); border-radius: 6px; font-size: 0.66rem; font-weight: 700; }
.re-cap { margin-top: 6px; font-size: 0.9rem; font-weight: 700; color: rgba(10, 15, 38, 0.75); }
.reviews-side .pill { margin-top: 28px; }

/* ---------- 07 운영 안내 ---------- */
.info { overflow: hidden; isolation: isolate; background: var(--ink); }
.info-bg { position: absolute; inset: 0; z-index: -2; }
.info-bg img { width: 100%; height: 100%; object-fit: cover; opacity: 0.6; }
.info::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(180deg, var(--ink) 0%, rgba(5, 7, 15, 0.5) 28%, rgba(5, 7, 15, 0.62) 72%, var(--ink) 100%);
}
.glass {
  display: grid; grid-template-columns: 1fr 1fr;
  border-radius: 26px; overflow: hidden;
  background: rgba(243, 245, 251, 0.06);
  border: 1px solid rgba(243, 245, 251, 0.2);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  backdrop-filter: blur(18px) saturate(140%);
}
.glass-col { padding: clamp(28px, 4vw, 52px); }
.glass-col + .glass-col { border-left: 1px solid rgba(243, 245, 251, 0.2); }
.glass-kicker { font: 400 0.95rem var(--display); letter-spacing: 0.34em; color: var(--mist); }
.glass-title {
  margin-top: 8px; padding-bottom: 18px; border-bottom: 2px solid var(--white);
  font-weight: 900; font-size: clamp(1.6rem, 2.6vw, 2.2rem); letter-spacing: -0.035em;
}
.glass-rows > div {
  display: flex; justify-content: space-between; align-items: baseline; gap: 16px;
  padding: 16px 0; border-bottom: 1px solid rgba(243, 245, 251, 0.2);
  font-weight: 700;
}
.glass-rows dt em { margin-left: 6px; font: 600 0.9em var(--display); font-style: normal; letter-spacing: 0.06em; color: var(--steel); }
.glass-rows dt.mono { flex: none; font-size: 0.82rem; letter-spacing: 0.14em; color: var(--yellow); }
.glass-rows dd { text-align: right; }
.glass-mail { display: inline-block; margin-top: 22px; font-weight: 700; color: var(--yellow); }
.glass-mail:hover { text-decoration: underline; text-underline-offset: 4px; }
.faq { max-width: 880px; margin-top: clamp(48px, 6vw, 76px); border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  display: flex; justify-content: space-between; align-items: center; gap: 20px;
  padding: 24px 0; cursor: pointer; list-style: none;
  font-weight: 800; font-size: clamp(1.1rem, 1.8vw, 1.35rem); letter-spacing: -0.02em;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; flex: none; width: 16px; height: 16px;
  background:
    linear-gradient(var(--yellow), var(--yellow)) center / 100% 2px no-repeat,
    linear-gradient(var(--yellow), var(--yellow)) center / 2px 100% no-repeat;
  transition: transform 0.6s var(--spring-snap);
}
.faq details[open] summary::after { transform: rotate(135deg); }
.faq details p { max-width: 62ch; padding-bottom: 26px; font-size: 1.05rem; line-height: 1.65; color: var(--mist); }

/* ---------- 08 문의 ---------- */
.contact { background: radial-gradient(70% 60% at 50% 100%, rgba(42, 58, 160, 0.5), transparent 70%), var(--ink); text-align: center; }
.contact-inner { display: flex; flex-direction: column; align-items: center; }
.contact-title { font-weight: 900; font-size: clamp(3rem, 7.6vw, 6.8rem); line-height: 1.02; letter-spacing: -0.055em; }
.mail { margin-top: 46px; display: flex; flex-direction: column; align-items: center; gap: 14px; }
.mail-link {
  font: 800 clamp(1.9rem, 6vw, 4.2rem)/1.05 var(--display); letter-spacing: 0.01em;
  background: linear-gradient(var(--yellow), var(--yellow)) 0 100% / 0 4px no-repeat;
  padding-bottom: 6px;
  transition: background-size 0.6s var(--ease), color 0.3s;
}
.mail-link:hover { background-size: 100% 4px; color: var(--yellow); }
.mail-copy {
  padding: 10px 18px; border-radius: 980px; cursor: pointer;
  border: 1px solid rgba(243, 245, 251, 0.3); background: rgba(243, 245, 251, 0.06);
  font-size: 0.9rem; font-weight: 700;
  transition: background-color 0.25s, transform 0.7s var(--spring-snap);
}
.mail-copy:hover { background: rgba(243, 245, 251, 0.14); }
.mail-copy:active { transform: scale(0.94); transition-duration: 0.15s; }
.mail-status { min-height: 1.3em; font-size: 0.85rem; font-weight: 700; color: var(--yellow); }
.contact-quick { margin-top: 20px; display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
.chip {
  padding: 12px 20px; border-radius: 980px;
  border: 1.5px solid rgba(243, 245, 251, 0.3);
  font-weight: 700;
  transition: background-color 0.3s, color 0.3s, border-color 0.3s;
}
.chip:hover { background: var(--yellow); border-color: var(--yellow); color: var(--navy); }

/* ---------- 바닥글 ---------- */
.footer { padding: 56px 0 calc(40px + env(safe-area-inset-bottom)); background: var(--ink); border-top: 1px solid var(--line); }
.footer-inner { display: grid; grid-template-columns: 1fr 1.2fr 1.5fr; gap: 32px; align-items: start; }
.footer-brand p { margin-top: 12px; font-weight: 700; color: var(--mist); }
.footer-links { display: grid; grid-template-columns: repeat(2, max-content); gap: 10px 36px; font-size: 0.94rem; font-weight: 600; color: var(--mist); }
.footer-links a:hover, .footer-small a:hover { color: var(--white); }
.footer-small p { font-size: 0.8rem; line-height: 1.75; color: var(--steel); }

/* ---------- 404 ---------- */
.nf {
  min-height: calc(100vh - var(--nav-h)); min-height: calc(100svh - var(--nav-h));
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 60px var(--pad); text-align: center;
  background: radial-gradient(70% 60% at 50% 100%, rgba(42, 58, 160, 0.45), transparent 70%), var(--ink);
}
.nf-num { font: 900 clamp(8rem, 30vw, 20rem)/0.8 var(--stencil); color: var(--yellow); }
.nf-title { margin-top: 24px; font-weight: 900; font-size: clamp(2rem, 5vw, 3.4rem); letter-spacing: -0.045em; }
.nf .sec-lead { margin-inline: auto; }
.nf .pill { margin-top: 34px; }

/* ---------- 등장 ---------- */
.js .reveal {
  opacity: 0; transform: translate3d(0, 36px, 0);
  transition: opacity 0.9s var(--ease), transform 1.3s var(--spring-big);
  transition-delay: calc(var(--d, 0) * 90ms);
}
.js .reveal.in { opacity: 1; transform: none; }

/* ---------- 반응형 ---------- */
@media (max-width: 1100px) {
  .bento { grid-template-columns: repeat(2, 1fr); grid-auto-rows: minmax(360px, auto); }
  .tile, .tile:nth-child(2), .tile:nth-child(3), .tile:nth-child(7) { grid-column: span 1; }
  .tile-whey, .tile-wide { grid-column: span 2; grid-row: auto; min-height: 520px; }
  .not { grid-template-columns: 56px minmax(0, 1fr); }
  .not-good { grid-column: 2; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-small { grid-column: 1 / -1; }
}

@media (max-width: 860px) {
  .nav-toggle {
    display: block; position: relative; width: 40px; height: 40px; margin-right: -8px;
    border: 0; background: none; cursor: pointer;
  }
  .nav-toggle span {
    position: absolute; left: 10px; width: 20px; height: 1.8px; border-radius: 2px; background: var(--white);
    transition: transform 0.5s var(--spring-snap), top 0.5s var(--spring-snap);
  }
  .nav-toggle span:nth-child(1) { top: 16px; }
  .nav-toggle span:nth-child(2) { top: 23px; }
  .nav.menu-open .nav-toggle span:nth-child(1) { top: 19.5px; transform: rotate(45deg); }
  .nav.menu-open .nav-toggle span:nth-child(2) { top: 19.5px; transform: rotate(-45deg); }
  .nav-cta { margin-left: auto; }
  .nav-inner { gap: 16px; }
  .nav-links {
    position: absolute; left: 0; right: 0; top: 100%;
    height: calc(100vh - var(--nav-h) - var(--nav-top, 0px));
    height: calc(100dvh - var(--nav-h) - var(--nav-top, 0px));
    flex-direction: column; gap: 0; margin: 0;
    padding: 18px var(--pad) calc(40px + env(safe-area-inset-bottom));
    background: var(--ink);
    overflow-y: auto; overscroll-behavior: contain;
    opacity: 0; visibility: hidden; transform: translateY(-10px);
    transition: opacity 0.35s var(--ease), transform 0.6s var(--ease), visibility 0.35s;
  }
  .nav.menu-open .nav-links { opacity: 1; visibility: visible; transform: none; }
  .nav-links a {
    padding: 14px 0; border-bottom: 1px solid var(--line);
    font-size: 2rem; font-weight: 900; letter-spacing: -0.04em; color: var(--white);
  }
  .nav-links a[aria-current="true"]::after { display: none; }
  .nav-links a[aria-current="true"] { color: var(--yellow); }
  .nav-links .nav-menu-mail { display: block; margin-top: 18px; border: 0; font: 700 1rem var(--mono); color: var(--yellow); }
}

@media (max-width: 760px) {
  .br-m { display: inline; }
  .br-d { display: none; }
  .promo { justify-content: flex-start; padding: 8px 48px 8px 16px; font-size: 0.8rem; text-align: left; }
  .promo-long { display: none; }
  .hero-title { font-size: clamp(3.2rem, 15vw, 5rem); }
  .film-ui { grid-template-columns: 1fr auto; grid-template-areas: "bars bars" "meta ctrl"; row-gap: 12px; }
  .film-bars { grid-area: bars; }
  .film-bars i { flex: 1; width: auto; }
  .film-meta { grid-area: meta; }
  .film-ctrl { grid-area: ctrl; }
  .look-grid { grid-template-columns: 1fr; }
  .look-tile { aspect-ratio: 4 / 3; }
  .bento { grid-template-columns: 1fr; gap: 12px; }
  .tile, .tile:nth-child(2), .tile:nth-child(3), .tile:nth-child(7), .tile-whey, .tile-wide { grid-column: auto; grid-row: auto; min-height: 400px; border-radius: 24px; }
  .tile-whey { min-height: 600px; }
  .tile-tub { width: 62%; right: -4%; }
  .whey-grid { grid-template-columns: 1fr; }
  .tub-stage { position: relative; top: 0; height: auto; padding: 10px 0 30px; }
  .tub { width: min(78%, 360px); }
  .not { grid-template-columns: 1fr; gap: 12px; }
  .not-good { grid-column: auto; }
  .reviews-grid { grid-template-columns: 1fr; align-items: start; }
  .glass { grid-template-columns: 1fr; }
  .glass-col + .glass-col { border-left: 0; border-top: 1px solid rgba(243, 245, 251, 0.2); }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- 움직임 줄이기 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    transition-delay: 0s !important;
  }
  .js .reveal { opacity: 1; transform: none; }
  .film-track { height: auto; }
  .film-stage { position: relative; }
  .prologue-track { height: auto; }
  .prologue-sticky { position: static; height: auto; padding-block: 130px; }
  .prologue-text .ln { color: var(--white); }
  .prologue-text .ln.last { color: var(--yellow); }
}