/* ─────────────────────────────────────────────────────────────
   속닥 / Sokdak — sokdak.xyz
   토큰 출처: Claude Design "앱 디자인 개선 요청" / Sokdak.dc.html
   ───────────────────────────────────────────────────────────── */

@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/pretendardvariable.min.css');

:root {
  /* 배경 — iOS 다크 */
  --bg:         #0E0E11;
  --surface:    #16161A;
  --surface-2:  #1C1C1E;

  /* 브랜드 */
  --brand:      #5856D6;
  --brand-lt:   #5E5CE6;
  --brand-deep: #4B49D6;
  --purple:     #BF5AF2;
  --grad:       linear-gradient(140deg, #5E5CE6, #BF5AF2);
  --grad-deep:  linear-gradient(140deg, #4B49D6, #A94FE8);

  /* 상태 */
  --rec:        #FF453A;
  --ok:         #34C759;

  /* 라벨 — iOS 다크 라벨 불투명도 */
  --label:      #FFFFFF;
  --label-2:    rgba(235, 235, 245, 0.60);
  --label-3:    rgba(235, 235, 245, 0.45);
  --sep:        rgba(235, 235, 245, 0.10);
  --sep-strong: rgba(235, 235, 245, 0.16);

  /* 형태 */
  --r-pill: 9999px;
  --r-card: 18px;
  --r-md:   16px;
  --r-sm:   10px;
  --r-bar:  2px;

  --font: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Pretendard Variable',
          Pretendard, system-ui, sans-serif;
  --mono: ui-monospace, 'SF Mono', Menlo, monospace;

  --gutter: clamp(1.25rem, 5vw, 4.5rem);
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--label);
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.6;
  letter-spacing: -0.011em;
  -webkit-font-smoothing: antialiased;
  word-break: keep-all;      /* 한국어 어절 단위 줄바꿈 */
  overflow-wrap: break-word;
}

.shell { max-width: 1080px; margin: 0 auto; padding: 0 var(--gutter); }

/* ── 브랜드 마크 ──────────────────────────────────────────── */

.mark {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: var(--grad);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(94, 92, 230, 0.45);
  flex-shrink: 0;
}

.mark svg { display: block; }

.mark--lg { width: 60px; height: 60px; border-radius: 15px; }
.mark--lg svg { width: 33px; height: 33px; }

/* ── 상단 바 ──────────────────────────────────────────────── */

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(14, 14, 17, 0.78);
  backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--sep);
}

.topbar__in {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 0.85rem;
}

.wordmark { display: inline-flex; align-items: center; gap: 0.65rem; text-decoration: none; }

.wordmark__name {
  font-size: 1.06rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--label);
}

.navlinks { display: flex; gap: clamp(1rem, 3vw, 2rem); font-size: 0.875rem; }

.navlinks a {
  color: var(--label-2);
  text-decoration: none;
  transition: color 0.2s ease;
}

.navlinks a:hover { color: var(--label); }

.langswitch {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-left: 0.35rem;
  padding-left: 0.9rem;
  border-left: 1px solid var(--sep);
  font-size: 0.8rem;
}

.langswitch a { color: var(--label-3); }
.langswitch a:hover { color: var(--label); }
.langswitch a[aria-current="page"] { color: var(--label); font-weight: 600; }

/* ── 히어로 ───────────────────────────────────────────────── */

.hero { padding-block: clamp(4rem, 12vh, 8rem) clamp(3rem, 8vh, 5.5rem); position: relative; overflow: hidden; }

.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  left: 50%;
  transform: translateX(-50%);
  width: 120vw;
  height: 90vw;
  max-height: 900px;
  background: radial-gradient(ellipse at center, rgba(94, 92, 230, 0.20) 0%, rgba(191, 90, 242, 0.07) 38%, transparent 68%);
  pointer-events: none;
}

.hero__in { position: relative; display: grid; gap: clamp(2.5rem, 6vw, 4rem); }

@media (min-width: 900px) {
  .hero__in { grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); align-items: center; }
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--label-3);
  margin: 0 0 1.4rem;
}

.eyebrow::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 8px rgba(52, 199, 89, 0.7);
  animation: pulse 2.2s ease-in-out infinite;
}

@keyframes pulse { 0%, 100% { opacity: 0.35; } 50% { opacity: 1; } }

h1 {
  font-size: clamp(2.4rem, 6.4vw, 4rem);
  line-height: 1.08;
  font-weight: 700;
  letter-spacing: -0.035em;
  margin: 0 0 1.25rem;
}

h1 em {
  font-style: normal;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lede {
  font-size: clamp(1.02rem, 1.5vw, 1.16rem);
  color: var(--label-2);
  max-width: 40ch;
  margin: 0 0 2.2rem;
  line-height: 1.62;
}

.cta { display: flex; flex-wrap: wrap; align-items: center; gap: 0.8rem; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.82rem 1.55rem;
  border-radius: var(--r-pill);
  background: var(--grad);
  color: #fff;
  font-size: 0.94rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  text-decoration: none;
  box-shadow: 0 6px 20px rgba(94, 92, 230, 0.38);
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

.btn:hover { transform: translateY(-1px); box-shadow: 0 10px 28px rgba(94, 92, 230, 0.5); filter: brightness(1.06); }
.btn:active { transform: translateY(0); }

.btn--quiet {
  background: rgba(235, 235, 245, 0.08);
  color: var(--label);
  box-shadow: none;
  border: 1px solid var(--sep);
}

.btn--quiet:hover { background: rgba(235, 235, 245, 0.13); box-shadow: none; filter: none; }

.cta__note { font-size: 0.83rem; color: var(--label-3); }

/* ── 세션 카드 (히어로 우측) ──────────────────────────────── */

.card {
  background: var(--surface-2);
  border: 1px solid var(--sep);
  border-radius: var(--r-card);
  padding: 1.5rem 1.5rem 1.75rem;
}

.card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 1.1rem;
  border-bottom: 1px solid var(--sep);
  margin-bottom: 1.3rem;
}

.card__state { display: flex; align-items: center; gap: 0.55rem; font-size: 0.9rem; font-weight: 600; }

.card__state::before {
  content: '';
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--rec);
  box-shadow: 0 0 10px rgba(255, 69, 58, 0.8);
  animation: pulse 1.4s ease-in-out infinite;
}

.chip {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--label-2);
  background: rgba(235, 235, 245, 0.07);
  border-radius: var(--r-pill);
  padding: 0.26rem 0.65rem;
}

/* ── 파형 ─────────────────────────────────────────────────── */

.wave { display: flex; align-items: center; justify-content: center; gap: 4px; height: 92px; }

.wave span {
  width: 3px;
  border-radius: var(--r-bar);
  background: var(--grad);
  height: calc(var(--h) * 1%);
  transform-origin: center;
  animation: vkbar 1.15s ease-in-out infinite alternate;
  animation-delay: calc(var(--i) * -0.075s);
}

@keyframes vkbar { 0% { transform: scaleY(0.18); } 100% { transform: scaleY(1); } }

.card__caption { margin: 1.25rem 0 0; font-size: 0.85rem; color: var(--label-3); text-align: center; }

@media (prefers-reduced-motion: reduce) {
  .wave span, .eyebrow::before, .card__state::before { animation: none; }
  .wave span { transform: scaleY(0.65); }
  html { scroll-behavior: auto; }
}

/* ── 섹션 ─────────────────────────────────────────────────── */

.band { border-top: 1px solid var(--sep); padding-block: clamp(3.5rem, 8vh, 5.5rem); }

.band__head { margin-bottom: 2.5rem; max-width: 58ch; }

h2 {
  font-size: clamp(1.6rem, 3.2vw, 2.15rem);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.028em;
  margin: 0 0 0.7rem;
}

/* h1로 승격됐지만 히어로 크기는 원치 않는 밴드 제목 (예: 지원 페이지 FAQ) */
.band__title {
  font-size: clamp(1.6rem, 3.2vw, 2.15rem);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.028em;
  margin: 0 0 0.7rem;
}

h3 { font-size: 1rem; font-weight: 600; letter-spacing: -0.015em; margin: 0 0 0.45rem; }

p { margin: 0 0 1rem; }
p:last-child { margin-bottom: 0; }

.dim { color: var(--label-2); }

/* ── 기능 그리드 ──────────────────────────────────────────── */

.grid { display: grid; gap: 1px; background: var(--sep); border: 1px solid var(--sep); border-radius: var(--r-card); overflow: hidden; }

@media (min-width: 700px) { .grid { grid-template-columns: repeat(2, 1fr); } }

.cell { background: var(--surface); padding: 1.75rem 1.6rem; transition: background 0.25s ease; }
.cell:hover { background: var(--surface-2); }

.cell__ico {
  width: 32px; height: 32px;
  border-radius: var(--r-sm);
  background: rgba(88, 86, 214, 0.16);
  color: var(--brand-lt);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1rem;
}

.cell p { font-size: 0.9rem; color: var(--label-2); margin: 0; }

/* ── 설정 체크리스트 ──────────────────────────────────────── */

.checklist { border: 1px solid var(--sep); border-radius: var(--r-card); overflow: hidden; max-width: 60ch; }

.check {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 0.9rem;
  align-items: start;
  padding: 1.15rem 1.35rem;
  background: var(--surface);
  border-bottom: 1px solid var(--sep);
}

.check:last-child { border-bottom: 0; }

.check__n {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: rgba(88, 86, 214, 0.18);
  color: var(--brand-lt);
  font-size: 0.75rem;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  margin-top: 0.12rem;
}

.check p { font-size: 0.885rem; color: var(--label-2); margin: 0.2rem 0 0; }

.check code {
  font-family: var(--mono);
  font-size: 0.82em;
  color: var(--label);
  background: rgba(235, 235, 245, 0.08);
  padding: 0.1em 0.4em;
  border-radius: 5px;
}

/* ── 값 ───────────────────────────────────────────────────── */

.flow { display: grid; gap: 0; max-width: 68ch; }

.flow__row {
  display: grid;
  grid-template-columns: 3.2rem 1fr;
  gap: 1.4rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--sep);
}

.flow__row:last-child { border-bottom: 0; }

.flow__key {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--brand-lt);
  padding-top: 0.22rem;
}

.flow__body p { font-size: 0.885rem; color: var(--label-2); margin: 0; }
.flow__body strong { color: var(--label); font-weight: 600; }

/* ── FAQ ──────────────────────────────────────────────────── */

.faq { max-width: 68ch; }

.faq details { border-bottom: 1px solid var(--sep); padding: 1.15rem 0; }

.faq summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1.25rem;
  font-size: 0.96rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.faq summary::-webkit-details-marker { display: none; }
.faq summary:hover { color: var(--brand-lt); }

.faq summary::after {
  content: '+';
  font-family: var(--mono);
  color: var(--brand-lt);
  flex-shrink: 0;
  transition: transform 0.25s ease;
}

.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin: 0.8rem 0 0; font-size: 0.885rem; color: var(--label-2); max-width: 60ch; }

/* ── 문의 ─────────────────────────────────────────────────── */

.contact {
  border: 1px solid var(--sep-strong);
  border-radius: var(--r-card);
  background:
    radial-gradient(ellipse at 0% 0%, rgba(94, 92, 230, 0.18), transparent 60%),
    var(--surface);
  padding: clamp(1.75rem, 4vw, 2.6rem);
}

.contact__mail {
  display: inline-block;
  margin-top: 1.2rem;
  font-size: clamp(1rem, 2.2vw, 1.3rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--label);
  text-decoration: none;
  border-bottom: 1.5px solid rgba(94, 92, 230, 0.6);
  padding-bottom: 0.12rem;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.contact__mail:hover { color: var(--brand-lt); border-color: var(--brand-lt); }

/* ── 푸터 ─────────────────────────────────────────────────── */

.foot { border-top: 1px solid var(--sep); padding-block: 2.2rem 3rem; font-size: 0.82rem; color: var(--label-3); }

.foot__in { display: flex; flex-wrap: wrap; gap: 0.75rem 1.75rem; justify-content: space-between; align-items: center; }

.foot a { color: var(--label-2); text-decoration: none; }
.foot a:hover { color: var(--label); }

/* ── 문서 (개인정보처리방침) ──────────────────────────────── */

.doc { padding-block: clamp(3rem, 8vh, 5rem) 2rem; max-width: 72ch; }

.doc__title { font-size: clamp(1.9rem, 5vw, 2.7rem); font-weight: 700; letter-spacing: -0.03em; line-height: 1.16; margin: 0 0 0.75rem; }

.doc__meta { font-family: var(--mono); font-size: 0.755rem; color: var(--label-3); margin-bottom: 2.8rem; }

.doc section { margin-bottom: 2.5rem; }

.doc h2 { font-size: clamp(1.15rem, 2.4vw, 1.4rem); margin-bottom: 0.85rem; padding-top: 1.6rem; border-top: 1px solid var(--sep); }

.doc p, .doc li { font-size: 0.915rem; color: var(--label-2); }
.doc strong { color: var(--label); font-weight: 600; }

.doc ul { padding-left: 1.1rem; margin: 0 0 1rem; }
.doc li { margin-bottom: 0.45rem; }
.doc li::marker { color: var(--brand-lt); }

.doc code { font-family: var(--mono); font-size: 0.84em; color: var(--label); background: rgba(235, 235, 245, 0.08); padding: 0.1em 0.42em; border-radius: 5px; }

.doc a { color: var(--brand-lt); text-decoration: none; border-bottom: 1px solid rgba(94, 92, 230, 0.45); }
.doc a:hover { color: var(--purple); }

.callout {
  border: 1px solid var(--sep-strong);
  border-radius: var(--r-md);
  background: radial-gradient(ellipse at 0% 0%, rgba(94, 92, 230, 0.16), transparent 62%), var(--surface);
  padding: 1.25rem 1.4rem;
  margin: 1.5rem 0 2rem;
}

.callout p { margin: 0; color: var(--label); font-size: 0.9rem; }

/* 접근성 */
a:focus-visible, summary:focus-visible {
  outline: 2px solid var(--brand-lt);
  outline-offset: 3px;
  border-radius: 6px;
}