/* ═══════════════════════════════════════════════════════════════
   Notiq Blog — 메인 페이지("notiq design.fig" 리디자인)와 같은 디자인 언어
   pure black · Google Sans Flex + Noto Sans KR · ultramarine #2013FF · violet #5227FF
   ═══════════════════════════════════════════════════════════════ */
:root {
  --bg:      #000000;
  --ink:     #2013FF;
  --accent:  #5227FF;
  --accent-2:#B19EEF;
  --text:    #FFFFFF;
  --muted:   #A7A9B4;
  --faint:   rgba(255,255,255,0.42);
  --line:    rgba(255,255,255,0.10);

  --card:        #060010;
  --card-border: #392E4E;
  --glow-rgb:    132, 0, 255;

  --font-display: "Google Sans Flex", "Hanken Grotesk", Inter, system-ui, sans-serif;
  --font-body:    "Noto Sans KR", "Pretendard Variable", Pretendard, system-ui, sans-serif;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-menu: cubic-bezier(0.65, 0, 0.35, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; color-scheme: dark; }
html, body { max-width: 100%; overflow-x: hidden; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  word-break: keep-all;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; background: none; border: 0; padding: 0; color: inherit; }
h1, h2, h3 { font-family: var(--font-display); margin: 0; }
img { max-width: 100%; }
::selection { background: rgba(82, 39, 255, 0.5); color: #fff; }

.wrap { max-width: 72rem; margin: 0 auto; padding-inline: clamp(1.25rem, 5vw, 2.5rem); }

/* ── 상단 바 ─────────────────────────────────────────────────── */
.topbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 120;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.15rem clamp(1.25rem, 4vw, 2.5rem);
  pointer-events: none;
}
.topbar > * { pointer-events: auto; }
.brand {
  display: inline-flex; align-items: baseline;
  font-family: var(--font-display); font-weight: 700; font-size: 1.3rem;
  letter-spacing: -0.03em; color: #fff;
  transition: color .35s ease;
  filter: drop-shadow(0 1px 10px rgba(0,0,0,0.45));
}
.brand-i { position: relative; display: inline-block; }
.brand-i img {
  position: absolute; left: 50%; top: -0.02em; transform: translateX(-50%);
  width: 0.46em; filter: drop-shadow(0 0 12px rgba(82,39,255,0.55));
}
.brand .kr { color: var(--muted); font-weight: 600; font-size: 0.8em; margin-left: 0.06em; }

/* ── Staggered Menu 토글 ─────────────────────────────────────── */
.sm-toggle {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: var(--font-display); font-weight: 600; font-size: 1rem;
  color: #fff; transition: color .35s ease;
  filter: drop-shadow(0 1px 10px rgba(0,0,0,0.45));
}
html.sm-open .sm-toggle { color: #0B0B0E; filter: none; }
.sm-lbls { position: relative; display: inline-block; overflow: hidden; height: 1.25em; }
.sm-lbl { display: block; line-height: 1.25em; transition: transform .45s var(--ease-out); }
html.sm-open .sm-lbl { transform: translateY(-100%); }
.sm-ico { position: relative; width: 20px; height: 14px; display: inline-block; }
.sm-ico span {
  position: absolute; left: 0; width: 100%; height: 2px; border-radius: 2px;
  background: currentColor; transition: transform .4s var(--ease-out), opacity .3s ease, top .4s var(--ease-out);
}
.sm-ico span:nth-child(1) { top: 0; }
.sm-ico span:nth-child(2) { top: 6px; }
.sm-ico span:nth-child(3) { top: 12px; }
html.sm-open .sm-ico span:nth-child(1) { top: 6px; transform: rotate(45deg); }
html.sm-open .sm-ico span:nth-child(2) { opacity: 0; }
html.sm-open .sm-ico span:nth-child(3) { top: 6px; transform: rotate(-45deg); }

/* ── Staggered Menu 패널 ─────────────────────────────────────── */
.sm { position: fixed; inset: 0; z-index: 110; pointer-events: none; }
html.sm-open .sm { pointer-events: auto; }
.sm-backdrop {
  position: absolute; inset: 0; background: rgba(0,0,0,0.45);
  opacity: 0; transition: opacity .5s ease;
}
html.sm-open .sm-backdrop { opacity: 1; }
.sm-wrap { position: absolute; top: 0; right: 0; bottom: 0; width: clamp(320px, 40vw, 470px); }
.sm-prelayer, .sm-panel { position: absolute; inset: 0; transform: translateX(103%); }
.sm-l1 { background: var(--accent-2); transition: transform .5s var(--ease-menu) .12s; }
.sm-l2 { background: var(--accent);   transition: transform .5s var(--ease-menu) .06s; }
.sm-panel {
  background: #fff; color: #0B0B0E;
  transition: transform .55s var(--ease-menu) 0s;
  display: flex; flex-direction: column;
  padding: 6.5rem clamp(1.8rem, 4vw, 3.2rem) 2.6rem;
  overflow-y: auto;
}
html.sm-open .sm-l1    { transform: none; transition-delay: 0s; }
html.sm-open .sm-l2    { transform: none; transition-delay: .08s; }
html.sm-open .sm-panel { transform: none; transition: transform .65s var(--ease-menu) .16s; }

.sm-items { list-style: none; margin: 0; padding: 0; }
.sm-items li { overflow: hidden; }
.sm-items a {
  display: inline-block; position: relative;
  font-family: var(--font-display); font-weight: 800; text-transform: uppercase;
  font-size: clamp(2.2rem, 6vw, 3.4rem); line-height: 1.12; letter-spacing: -0.02em;
  color: #0B0B0E;
  transform: translateY(130%);
  transition: transform .7s var(--ease-out) 0s, color .25s ease;
}
.sm-items a:hover { color: var(--accent); }
.sm-items a::after {
  content: attr(data-num);
  position: relative; top: -1.3em; margin-left: 0.3em;
  font-size: clamp(0.85rem, 1.6vw, 1.05rem); font-weight: 600; letter-spacing: 0;
  color: var(--accent);
  opacity: 0; transition: opacity .45s ease 0s;
}
html.sm-open .sm-items a { transform: none; transition-delay: calc(.28s + var(--i) * .09s), 0s; }
html.sm-open .sm-items a::after { opacity: 1; transition-delay: calc(.62s + var(--i) * .09s); }

.sm-socials {
  margin-top: auto; padding-top: 3rem;
  opacity: 0; transform: translateY(18px);
  transition: opacity .5s ease 0s, transform .5s var(--ease-out) 0s;
}
html.sm-open .sm-socials { opacity: 1; transform: none; transition-delay: .72s, .72s; }
.sm-socials-label { display: block; color: var(--accent); font-weight: 600; font-size: 0.95rem; margin-bottom: 0.9rem; }
.sm-socials-row { display: flex; flex-wrap: wrap; gap: 1.4rem; }
.sm-socials-row a { font-weight: 600; font-size: 1.05rem; color: #16161C; transition: color .2s ease; }
.sm-socials-row a:hover { color: var(--accent); }

@media (max-width: 640px) {
  .sm-wrap { width: 100%; }
  html.sm-open .brand { color: #0B0B0E; filter: none; }
}

/* ── 블로그 헤더 ─────────────────────────────────────────────── */
.bhero {
  position: relative; overflow: hidden; isolation: isolate;
  padding: clamp(8rem, 18vh, 11rem) 0 clamp(2.5rem, 6vh, 4rem);
}
.bhero-glow {
  position: absolute; z-index: 0; pointer-events: none;
  top: -30%; left: 50%; transform: translateX(-50%);
  width: min(1100px, 130%);
  mix-blend-mode: screen; filter: blur(60px) saturate(1.1); opacity: 0.5;
  /* 사각 경계가 보이지 않도록 사방 페이드 */
  -webkit-mask-image: radial-gradient(ellipse 55% 55% at 50% 45%, #000 30%, transparent 72%);
          mask-image: radial-gradient(ellipse 55% 55% at 50% 45%, #000 30%, transparent 72%);
}
.bhero .wrap { position: relative; z-index: 1; }
.beyebrow {
  display: inline-block;
  font-size: 0.8rem; font-weight: 700; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 1.1rem;
}
.btitle {
  font-size: clamp(2.8rem, 8vw, 5.5rem); font-weight: 700;
  letter-spacing: -0.035em; line-height: 1.02; color: var(--ink);
}
.bsub { margin: 1.4rem 0 0; color: var(--muted); font-size: clamp(1rem, 1.8vw, 1.15rem); font-weight: 300; line-height: 1.8; }

/* ── 글 목록 카드 ────────────────────────────────────────────── */
.posts { padding: 1rem 0 clamp(4rem, 10vh, 6rem); }
.post-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.75rem; }
.post-card {
  position: relative; overflow: hidden;
  display: flex; flex-direction: column;
  padding: 1.6rem; border-radius: 20px;
  background: var(--card);
  border: 1px solid var(--card-border);
  --glow-x: 50%; --glow-y: 50%; --glow-intensity: 0; --glow-radius: 220px;
  transition: transform .25s ease, box-shadow .3s ease;
}
.post-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 20px rgba(46, 24, 78, 0.4), 0 0 30px rgba(var(--glow-rgb), 0.18);
}
.post-card::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 5px;
  background: radial-gradient(var(--glow-radius) circle at var(--glow-x) var(--glow-y),
    rgba(var(--glow-rgb), calc(var(--glow-intensity) * 0.85)) 0%,
    rgba(var(--glow-rgb), calc(var(--glow-intensity) * 0.45)) 30%,
    transparent 62%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
          mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
          mask-composite: subtract;
  pointer-events: none; z-index: 2;
}
.post-card.featured { grid-column: 1 / -1; padding: clamp(1.6rem, 4vw, 2.4rem); }
.post-meta {
  display: flex; align-items: center; gap: 0.8rem; flex-wrap: wrap;
  font-size: 0.82rem; color: var(--muted);
}
.post-meta .date { color: rgba(255,255,255,0.85); font-weight: 500; }
.post-tag {
  padding: 0.22rem 0.6rem; border-radius: 9999px; font-size: 0.72rem;
  color: var(--muted); background: rgba(255,255,255,0.05); border: 1px solid var(--line);
}
.post-card h2 {
  margin: 1.1rem 0 0.55rem;
  font-size: 1.35rem; font-weight: 700; letter-spacing: -0.02em; color: #fff; line-height: 1.35;
}
.post-card.featured h2 { font-size: clamp(1.6rem, 3.4vw, 2.2rem); }
.post-card p { margin: 0; color: var(--muted); font-size: 0.95rem; font-weight: 300; line-height: 1.75; }
.post-read {
  display: inline-flex; align-items: center; gap: 0.35rem;
  margin-top: auto; padding-top: 1.4rem;
  font-size: 0.9rem; font-weight: 700; color: #B79FFF;
}
.post-read svg { transition: transform .25s var(--ease-out); }
.post-card:hover .post-read svg { transform: translateX(3px); }
/* 준비중 칸 */
.post-soon { align-items: center; justify-content: center; min-height: 170px; }
.post-soon .soon-txt {
  display: inline-flex; align-items: center; gap: 0.55rem;
  color: rgba(255,255,255,0.4); font-size: 0.95rem; font-weight: 500; letter-spacing: 0.06em;
}
.dot { width: 6px; height: 6px; border-radius: 50%; background: #8A8C99; }

@media (max-width: 700px) {
  .post-grid { grid-template-columns: 1fr; }
}

/* ── 글 본문 (아티클) ────────────────────────────────────────── */
.post { padding: clamp(8rem, 16vh, 10rem) 0 clamp(3rem, 8vh, 5rem); position: relative; overflow: hidden; isolation: isolate; }
.post .wrap { position: relative; z-index: 1; max-width: 46rem; }
.post-back {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-size: 0.9rem; font-weight: 600; color: var(--muted);
  margin-bottom: 2.2rem; transition: color .2s ease;
}
.post-back:hover { color: #fff; }
.post-title {
  margin: 1rem 0 0;
  font-size: clamp(1.9rem, 5vw, 3rem); font-weight: 700;
  letter-spacing: -0.03em; line-height: 1.22; color: #fff;
}
.post-headmeta { margin-top: 1.4rem; }

.prose { margin-top: clamp(2rem, 5vh, 3rem); }
.prose p { margin: 0 0 1.35rem; color: #C9CBD4; font-size: 1.02rem; font-weight: 300; line-height: 1.95; }
.prose strong, .prose b { color: #fff; font-weight: 500; }
.prose a { color: #B79FFF; font-weight: 500; border-bottom: 1px solid rgba(183,159,255,0.35); transition: color .2s ease, border-color .2s ease; }
.prose a:hover { color: #fff; border-color: #fff; }
.prose h2 {
  margin: 3rem 0 1.1rem;
  font-size: clamp(1.3rem, 2.6vw, 1.6rem); font-weight: 700; letter-spacing: -0.02em; color: #fff;
}
.prose blockquote {
  margin: 2rem 0; padding: 0.4rem 0 0.4rem 1.4rem;
  border-left: 3px solid var(--accent);
  color: #fff; font-weight: 500; font-size: 1.08rem; line-height: 1.8;
}
.prose blockquote p { margin: 0; color: inherit; font-weight: inherit; font-size: inherit; }
.prose ul { margin: 0 0 1.35rem; padding-left: 1.2rem; color: #C9CBD4; font-weight: 300; line-height: 1.95; }
.prose li { margin-bottom: 0.4rem; }
.prose li::marker { color: var(--accent); }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 2.6rem 0; }

.post-foot {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem;
  margin-top: 3.5rem; padding-top: 1.8rem; border-top: 1px solid var(--line);
}
.post-foot .tags { display: flex; gap: 0.4rem; flex-wrap: wrap; }

/* ── 푸터 ────────────────────────────────────────────────────── */
.footer { border-top: 1px solid var(--line); padding: clamp(3.5rem, 8vh, 5rem) 0 2.4rem; }
.foot-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 2.4rem; }
.foot-brand .foot-mark {
  display: inline-flex; align-items: baseline;
  font-family: var(--font-display); font-weight: 700; font-size: 1.5rem; letter-spacing: -0.03em; color: #fff;
}
.foot-brand .foot-mark .kr { color: var(--muted); font-weight: 600; }
.foot-brand p { margin: 0.9rem 0 0; color: var(--faint); font-size: 0.92rem; line-height: 1.7; }
.foot-col { display: flex; flex-direction: column; gap: 0.6rem; }
.foot-cat {
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 0.35rem;
}
.foot-link { color: var(--muted); font-size: 0.94rem; font-weight: 400; width: fit-content; transition: color .2s ease; }
.foot-link:hover { color: #fff; }
.foot-bottom {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 0.8rem;
  margin-top: clamp(2.5rem, 6vh, 4rem); padding-top: 1.7rem; border-top: 1px solid var(--line);
  color: var(--faint); font-size: 0.85rem;
}
.foot-bottom a { color: var(--faint); transition: color .2s ease; }
.foot-bottom a:hover { color: #fff; }
@media (max-width: 760px) {
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .foot-brand { grid-column: 1 / -1; }
}

/* ── 텍스트 애니메이션 (Blur Text) + 스크롤 리빌 ─────────────── */
html.js-on [data-anim="blur"] .bl-w {
  display: inline-block;
  filter: blur(10px); opacity: 0; transform: translateY(14px);
  transition: filter .7s ease, opacity .7s ease, transform .7s var(--ease-out);
}
html.js-on [data-anim="blur"].blur-in .bl-w { filter: blur(0); opacity: 1; transform: none; }
html.js-on [data-reveal] {
  opacity: 0; transform: translateY(30px);
  transition: opacity .8s ease, transform .8s var(--ease-out);
}
html.js-on [data-reveal].in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important; animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important; scroll-behavior: auto !important;
  }
  html.js-on [data-anim="blur"] .bl-w, html.js-on [data-reveal] {
    opacity: 1 !important; filter: none !important; transform: none !important;
  }
}