/* ===========================================
   PenileBoost Common CSS (2025)
   - Font: Google Nanum Gothic
   - Global fixes: no horizontal scroll, safe drawers
   =========================================== */

/* Google Font */
@import url('https://fonts.googleapis.com/css2?family=Nanum+Gothic:wght@400;700;800&display=swap');

/* ----- Root & Base ----- */
:root{
  /* Colors */
  --navy: #0f1f3b;
  --navy-2: #142850;
  --accent: #d4af37;
  --accent-2: #ffc94a;
  --text-dark: #111;
  --text-light: #fff;
  --text-muted: #667085;
  --border: #e5e7eb;
  --muted: #f8fafc;
  --bg: #ffffff;

  /* Typography & Rhythm */
  --font: "Nanum Gothic", system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  --lh: 1.7;
  --ls: 0.1px;
  --header-h: 60px;

  /* Card shadow */
  --shadow: 0 10px 24px rgba(0,0,0,.08);
}

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

html, body{
  margin:0; padding:0;
  background: var(--bg);
  color: var(--text-dark);
  font-family: var(--font);
  line-height: var(--lh);
  letter-spacing: var(--ls);
  scroll-behavior: smooth;

  /* 모바일 네이비 막대(오프캔버스 잔여 폭) 방지 */
  width:100%;
  max-width:100%;
  overflow-x:hidden;
}

/* Links */
a{ color: var(--accent); text-decoration: none; }
a:hover{ opacity:.9; text-decoration: none; }
a:focus-visible{ outline: 3px solid var(--accent); outline-offset: 2px; }

/* Headings */
h1,h2,h3,h4{
  margin: 0 0 .6rem;
  font-weight: 800;
  line-height: 1.35;
  color: #0f1f3b;
}
h1{ font-size: clamp(1.6rem, 2.2vw + 1.1rem, 2.1rem); }
h2{ font-size: clamp(1.3rem, 1.2vw + 1rem, 1.6rem); }
h3{ font-size: 1.12rem; font-weight: 800; }

/* Text blocks */
p{ margin: .65rem 0 1rem; color: #1a1a1a; }
.subtitle{ color: var(--text-muted); margin-top:.25rem; margin-bottom:1.25rem; }
strong{ font-weight: 800; color:#0a4aa6; }

ul,ol{ margin:.4rem 0 1rem 0; padding-left:1.1rem; }
li{ margin:.35rem 0; }
small, .small{ font-size:.92rem; color: var(--text-muted); }

/* Code, KBD */
code, .code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size:.95em; background: #fbfbfd; border:1px solid var(--border); padding:2px 6px; border-radius:6px;
}
.kbd{
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background:#fbfbfd; border:1px solid var(--border); padding:2px 6px; border-radius:6px;
}

/* ===========================================
   Header (Fixed)
   =========================================== */
header#siteHeader, header#topBar{
  position: fixed; inset: 0 0 auto 0; height: var(--header-h);
  background: var(--navy);
  color: var(--text-light);
  display:flex; align-items:center; justify-content:space-between;
  padding: 0 16px;
  z-index:1000;
  border-bottom: 1px solid rgba(255,255,255,.06);

  /* 부드러운 등장/숨김 모두 적용 */
  transform: translateY(0);
  transition: transform .4s ease-in-out;
  will-change: transform;
}

header .logo{
  color:#fff; font-weight:800; font-size:1.12rem; text-decoration:none;
}

/* JS에서만 쓰는 수동 hide(인덱스 등 기존 코드 호환) */
header#siteHeader.hide, header#topBar.hide{
  transform: translateY(-100%);
  transition: transform .25s ease;
}

/* Desktop nav */
nav.main-nav ul,
header nav ul{
  list-style:none; margin:0; padding:0; display:flex; gap:18px;
}
nav.main-nav a,
header nav a{
  color:#fff; font-weight:700; opacity:.92; text-decoration:none;
}
nav.main-nav a:hover, nav.main-nav a.active,
header nav a:hover, header nav a.active{
  color: var(--accent); opacity:1;
}

/* ===========================================
   Hamburger & Mobile Drawer
   =========================================== */
.menu-toggle, .hamburger{
  appearance:none; -webkit-appearance:none;
  outline:0; border:0; background:transparent; box-shadow:none;

  display:none;
  position:absolute; right:12px; top:10px;
  width:36px; height:32px; cursor:pointer;
  flex-direction:column; justify-content:space-between; align-items:center; padding:6px 0;
  z-index:1001;
}
.menu-toggle .bar, .hamburger .bar{
  width:24px; height:3px; background:#fff; border-radius:3px; transition: all .25s ease;
}
.menu-toggle.active .bar:nth-child(1),
.hamburger.active .bar:nth-child(1){ transform: translateY(9px) rotate(45deg); }
.menu-toggle.active .bar:nth-child(2),
.hamburger.active .bar:nth-child(2){ opacity:0; }
.menu-toggle.active .bar:nth-child(3),
.hamburger.active .bar:nth-child(3){ transform: translateY(-9px) rotate(-45deg); }

@media (max-width: 900px){
  nav.main-nav{ display:none; }
  .menu-toggle, .hamburger{ display:flex; }
}

/* Mobile overlay & drawer */
.mobile-overlay, .overlay{
  position:fixed; inset:0; background:rgba(0,0,0,.45);
  display:none; opacity:0; pointer-events:none;
  transition: opacity .25s ease;
  z-index:999;
}
.mobile-nav, .drawer{
  position:fixed; top: var(--header-h); right: -100vw; /* 화면 밖 */
  width: min(82vw, 320px); bottom:0;
  background: var(--navy); z-index:1000; padding:12px 10px;
  transition: right .25s ease;
  border-left:1px solid rgba(255,255,255,.08);
  display:flex; flex-direction:column; gap:6px;
  overscroll-behavior: contain;
}
.mobile-nav a, .drawer a{
  color:#fff; padding:12px 14px; border-radius:10px; font-weight:700; text-decoration:none;
}
.mobile-nav a:hover, .drawer a:hover{
  background: rgba(255,255,255,.07); color: var(--accent);
}

/* JS가 body에 붙이는 상태 클래스(선택) */
body.menu-open .overlay{ display:block; opacity:1; pointer-events:auto; }
body.menu-open .drawer{ right:0; }

/* ===========================================
   Layout containers
   =========================================== */
main, .content-wrapper{
  margin-top: var(--header-h);
  max-width: 1100px;
  padding: 20px 16px;
  margin-inline: auto;
}

/* Hero */
.hero{
  text-align:center; padding:3.2rem 1rem 2.2rem;
  background: linear-gradient(135deg, #0c1833 0%, #142850 100%);
  color: var(--text-light);
  border-radius: 14px;
}
.hero h1, .hero h2, .hero h3{ color: var(--text-light); }
.hero p{ opacity:.94; margin:0; color:#f0f0f0; }
.hero .cta-btn{
  display:inline-block; margin-top:1rem; background: var(--accent);
  color:#111; font-weight:800; text-decoration:none; padding:.7rem 1.2rem; border-radius:999px;
}

/* Section title */
.section-title{
  border-left:4px solid var(--accent);
  padding-left:.6rem; margin:2rem 0 1rem;
  font-weight:800; font-size:1.55rem; color: var(--text-dark);
}

/* ===========================================
   Cards
   =========================================== */
.cards-grid{
  display:grid; gap:18px; grid-template-columns: repeat(3, 1fr);
}
@media (max-width:1100px){ .cards-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:720px){ .cards-grid{ grid-template-columns:1fr; } }

.card{
  background: var(--muted);
  border:1px solid var(--border);
  border-radius:12px; overflow:hidden;
  transition: transform .2s ease, box-shadow .2s ease;
}
.card:hover{ transform: translateY(-4px); box-shadow: var(--shadow); }
.card img{ width:100%; height:160px; object-fit:cover; display:block; }
.card-body{ padding:14px; }
.card h3{ margin:0 0 .4rem; font-size:1.02rem; color:var(--text-dark); font-weight:800; }
.card p{ margin:.1rem 0 .8rem; color:#444; font-size:.95rem; }
.btn{
  display:inline-block; padding:.55rem .9rem; border-radius:999px; font-weight:700; text-decoration:none;
  background:#fff; color:#111; border:1px solid var(--border);
}
.btn:hover{ border-color:#d5d8dd; }

/* ===========================================
   Post body, callouts, tables
   =========================================== */
.post-body{ display:grid; gap:1rem; }
.callout{
  border:1px solid var(--border); background: var(--muted);
  padding:12px 14px; border-radius:10px; font-size:.95rem;
}
.callout.info strong, .callout.tip strong{ color: var(--accent); }
.callout.warn{ border-color:#cc4444; }
.callout.warn strong{ color:#cc4444; }

.toc{
  border:1px solid var(--border); background: var(--muted);
  border-radius:12px; padding:12px 14px; margin:1.2rem 0;
}
.toc h3{ margin:0 0 8px; }

table{
  width:100%; border-collapse:collapse; font-size:.95rem; margin:10px 0 16px;
}
th, td{ border:1px solid var(--border); padding:10px; text-align:left; vertical-align:top; }
th{ background:#fbfbfd; font-weight:800; }

/* ===========================================
   Images – scale down, never upscale
   =========================================== */
img{
  display:block;
  width:auto;
  max-width:100%;
  height:auto;
  object-fit: contain;
  margin:.5rem 0 1rem;
}

/* Featured images */
.featured-img{
  display:block;
  width:auto; max-width:100%; height:auto;
  margin:.5rem auto 1.5rem;
  border:1px solid var(--border);
  border-radius:12px;
  object-fit: contain;
}

/* OG banners */
.og-banner{
  width:auto; max-width:100%; height:auto;
  border-radius:10px; border:1px solid var(--border);
}

/* ===========================================
   Footer
   =========================================== */
footer{
  background: var(--navy);
  color: var(--text-light);
  text-align:center;
  padding: 18px 12px;
  margin-top: 40px;
  font-size:.92rem;
  border-top:1px solid rgba(255,255,255,.06);
}

/* ===========================================
   Utilities
   =========================================== */
.mt-0{ margin-top:0 !important; }
.mb-0{ margin-bottom:0 !important; }
.center{ text-align:center; }
.hidden{ display:none !important; }