/* =============================================
   최용균 비전경영연구소 — style.css
   ============================================= */

/* ─── Variables ─── */
:root {
  --navy:    #1A2E5A;
  --gold:    #C9A84C;
  --gold-dk: #b8932e;
  --white:   #FFFFFF;
  --bg:      #F5F7FA;
  --text:    #2D2D2D;
  --muted:   #666666;
  --border:  #E0E0E0;

  --font-kr:  'Noto Sans KR', sans-serif;
  --font-en:  'Montserrat', sans-serif;

  --max-w: 1200px;
  --r:     12px;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 48px rgba(0,0,0,0.14);
  --tr: 0.3s ease;
}

/* ─── Reset ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body { font-family: var(--font-kr); color: var(--text); line-height: 1.7; overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font-family: var(--font-kr); }

/* ─── Container ─── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

/* ─── Section ─── */
.section { padding: 90px 0; }
.bg-navy      { background: var(--navy); }
.bg-dark-navy { background: linear-gradient(135deg, var(--navy) 0%, #0d1b3e 100%); }
.bg-gray      { background: var(--bg); }

/* ─── Section Header ─── */
.section-header { text-align: center; margin-bottom: 56px; }
.section-header h2 {
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 700;
  color: var(--navy);
  line-height: 1.3;
  margin-bottom: 16px;
}
.section-header h2 em { color: var(--gold); font-style: normal; }
.section-desc { font-size: 16px; color: var(--muted); max-width: 540px; margin: 0 auto; }
.section-desc.light { color: rgba(255,255,255,0.65); }

/* Badge */
.badge {
  display: inline-block;
  background: var(--gold);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 14px;
}
.badge-light { background: rgba(255,255,255,0.18); }

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--tr);
}
.btn-gold {
  background: var(--gold);
  color: #fff;
  border-color: var(--gold);
}
.btn-gold:hover {
  background: var(--gold-dk);
  border-color: var(--gold-dk);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(201,168,76,0.38);
}
.btn-ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.55);
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.1);
  border-color: #fff;
}
.btn-navy {
  background: var(--navy);
  color: #fff;
  border-color: var(--navy);
}
.btn-navy:hover {
  background: #0f1e3d;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(26,46,90,0.3);
}
.btn-outline-navy {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
  padding: 10px 22px;
  font-size: 14px;
}
.btn-outline-navy:hover {
  background: var(--navy);
  color: #fff;
}
.btn-submit {
  width: 100%;
  justify-content: center;
  padding: 16px;
  font-size: 16px;
}

/* =============================================
   NAVIGATION
   ============================================= */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 18px 0;
  transition: all var(--tr);
}
#navbar.scrolled {
  background: var(--navy);
  padding: 11px 0;
  box-shadow: 0 2px 24px rgba(0,0,0,0.28);
}
.nav-container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo { display: flex; flex-direction: column; line-height: 1.15; }
.logo-main { font-size: 18px; font-weight: 700; color: #fff; letter-spacing: 0.5px; }
.logo-sub  { font-size: 11px; color: var(--gold); letter-spacing: 1px; }

.nav-menu { display: flex; align-items: center; gap: 4px; }
.nav-menu a {
  color: rgba(255,255,255,0.82);
  padding: 8px 13px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  transition: color var(--tr);
}
.nav-menu a:hover { color: var(--gold); }
.nav-cta {
  background: var(--gold) !important;
  color: #fff !important;
  border-radius: 24px !important;
  padding: 8px 20px !important;
  font-weight: 700 !important;
  margin-left: 8px;
}
.nav-cta:hover { background: var(--gold-dk) !important; color: #fff !important; }

/* Hamburger */
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; background: none; border: none; padding: 4px; }
.hamburger span { display: block; width: 24px; height: 2px; background: #fff; border-radius: 2px; transition: var(--tr); }
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =============================================
   HERO
   ============================================= */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--navy) 0%, #0d1b3e 60%, #141e38 100%);
  overflow: hidden;
}
.hero-bg-pattern {
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/svg%3E");
}
.hero-glow {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(201,168,76,0.1) 0%, transparent 65%);
}
.hero-inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 60px;
  max-width: 1100px;
  width: 100%;
  padding: 0 40px;
}
.hero-content {
  flex: 1;
  text-align: left;
  max-width: 580px;
}
.hero-photo {
  flex-shrink: 0;
  width: 340px;
}
.hero-photo img {
  width: 100%;
  height: auto;
  border-radius: 16px;
  display: block;
  filter: drop-shadow(0 20px 60px rgba(0,0,0,0.5));
}
.hero-badge {
  display: inline-block;
  background: rgba(201,168,76,0.15);
  color: var(--gold);
  border: 1px solid rgba(201,168,76,0.35);
  padding: 6px 18px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 1px;
  margin-bottom: 24px;
}
.hero-content h1 {
  font-size: clamp(34px, 6vw, 64px);
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 22px;
  word-break: keep-all;
}
.hero-sub {
  font-size: clamp(15px, 2vw, 20px);
  color: rgba(255,255,255,0.72);
  margin-bottom: 40px;
  word-break: keep-all;
}
.hero-btns { display: flex; gap: 16px; justify-content: flex-start; flex-wrap: wrap; }
.hero-scroll-hint {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: rgba(255,255,255,0.35);
  font-size: 10px;
  letter-spacing: 2px;
  animation: scrollBounce 2s infinite;
}
@keyframes scrollBounce {
  0%,100% { transform: translateX(-50%) translateY(0); }
  50%      { transform: translateX(-50%) translateY(8px); }
}

/* =============================================
   ABOUT
   ============================================= */
.about-grid {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 64px;
  align-items: start;
}
.profile-photo {
  border-radius: var(--r);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 3/4;
}
.profile-photo img { width: 100%; height: 100%; object-fit: cover; }

.cred-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 16px; }
.cred-item {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 12px;
  font-weight: 500;
}
.cred-item i { color: var(--gold); font-size: 13px; width: 16px; text-align: center; }

.about-quote {
  font-size: 17px;
  line-height: 1.85;
  color: var(--navy);
  border-left: 4px solid var(--gold);
  background: var(--bg);
  border-radius: 0 8px 8px 0;
  padding: 18px 22px;
  margin-bottom: 36px;
}
.career-timeline { margin-bottom: 36px; }
.career-timeline h3 { font-size: 17px; font-weight: 700; color: var(--navy); margin-bottom: 20px; }

.tl-item { display: flex; align-items: flex-start; gap: 14px; padding-bottom: 18px; position: relative; }
.tl-item:not(:last-child)::before {
  content: '';
  position: absolute;
  left: 6px; top: 18px; bottom: 0;
  width: 2px;
  background: var(--border);
}
.tl-dot { width: 14px; height: 14px; border-radius: 50%; background: var(--gold); flex-shrink: 0; margin-top: 5px; }
.tl-body { display: flex; align-items: center; gap: 10px; }
.tl-tag {
  background: var(--navy);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  white-space: nowrap;
}
.tl-tag.now { background: var(--gold); }
.tl-body p { font-size: 15px; color: var(--text); }

/* =============================================
   SERVICES
   ============================================= */
.services-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.svc-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--r);
  padding: 36px 24px;
  transition: all var(--tr);
  position: relative;
  overflow: hidden;
}
.svc-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gold);
  transform: scaleX(0);
  transition: transform var(--tr);
}
.svc-card:hover { background: rgba(255,255,255,0.1); transform: translateY(-8px); }
.svc-card:hover::after { transform: scaleX(1); }

.svc-icon {
  width: 56px; height: 56px;
  background: rgba(201,168,76,0.15);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.svc-icon i { font-size: 22px; color: var(--gold); }
.svc-card h3 { font-size: 17px; font-weight: 700; color: #fff; margin-bottom: 10px; }
.svc-card p  { font-size: 13px; color: rgba(255,255,255,0.62); line-height: 1.75; margin-bottom: 18px; }
.svc-link {
  color: var(--gold);
  font-size: 13px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--tr);
}
.svc-link:hover { gap: 10px; }

/* =============================================
   PROCESS
   ============================================= */
.process-wrap {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0;
}
.process-step {
  flex: 1;
  min-width: 150px;
  max-width: 200px;
  text-align: center;
  padding: 20px 12px;
}
.step-num {
  font-family: var(--font-en);
  font-size: 40px;
  font-weight: 900;
  color: var(--gold);
  margin-bottom: 14px;
  line-height: 1;
}
.step-body h3 { font-size: 15px; font-weight: 700; color: var(--navy); margin-bottom: 8px; }
.step-body p  { font-size: 13px; color: var(--muted); word-break: keep-all; }
.process-arrow {
  color: var(--gold);
  font-size: 18px;
  opacity: 0.5;
  align-self: flex-start;
  margin-top: 40px;
  flex-shrink: 0;
}

/* =============================================
   RESULTS
   ============================================= */
.results-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; text-align: center; }
.result-card {
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--r);
  background: rgba(255,255,255,0.04);
  padding: 44px 20px;
  transition: all var(--tr);
}
.result-card:hover { background: rgba(255,255,255,0.08); transform: translateY(-4px); }
.result-top { display: flex; align-items: flex-end; justify-content: center; gap: 2px; line-height: 1; }
.count { font-family: var(--font-en); font-size: 56px; font-weight: 900; color: var(--gold); }
.unit  { font-size: 20px; font-weight: 700; color: rgba(255,255,255,0.65); padding-bottom: 8px; }
.result-card p { font-size: 14px; color: rgba(255,255,255,0.55); margin-top: 12px; }

/* =============================================
   TESTIMONIALS
   ============================================= */
.testi-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.testi-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 32px 28px;
  box-shadow: var(--shadow);
  transition: all var(--tr);
}
.testi-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.stars { color: var(--gold); font-size: 13px; display: flex; gap: 2px; margin-bottom: 16px; }
.testi-text { font-size: 14px; color: var(--text); line-height: 1.85; margin-bottom: 24px; font-style: italic; }
.testi-author { display: flex; align-items: center; gap: 12px; }
.avatar {
  width: 42px; height: 42px;
  border-radius: 50%;
  background: var(--navy);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 15px;
  flex-shrink: 0;
}
.testi-author strong { display: block; font-size: 14px; font-weight: 700; color: var(--navy); }
.testi-author span  { font-size: 12px; color: var(--muted); }

/* =============================================
   PROGRAMS
   ============================================= */
.programs-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; margin-bottom: 56px; }
.prog-card {
  background: #fff;
  border-radius: var(--r);
  padding: 36px 24px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: all var(--tr);
}
.prog-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.prog-icon {
  width: 68px; height: 68px;
  background: rgba(26,46,90,0.08);
  border-radius: 18px;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 18px;
}
.prog-icon i { font-size: 26px; color: var(--navy); }
.prog-card h3 { font-size: 17px; font-weight: 700; color: var(--navy); margin-bottom: 10px; }
.prog-card p  { font-size: 13px; color: var(--muted); margin-bottom: 20px; }

/* Books */
.books-wrap { border-top: 1px solid var(--border); padding-top: 52px; }
.books-heading { text-align: center; font-size: 24px; font-weight: 700; color: var(--navy); margin-bottom: 36px; }
.books-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 32px; max-width: 780px; margin: 0 auto; }
.book-card { text-align: center; transition: transform var(--tr); }
.book-card:hover { transform: translateY(-8px); }
.book-img {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0,0,0,0.18);
  margin-bottom: 16px;
  aspect-ratio: 3/4;
}
.book-img img { width: 100%; height: 100%; object-fit: cover; }
.book-info h4 { font-size: 15px; font-weight: 700; color: var(--navy); margin-bottom: 6px; }
.book-info p  { font-size: 13px; color: var(--muted); }

/* =============================================
   FAQ
   ============================================= */
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item { border: 1px solid var(--border); border-radius: 10px; margin-bottom: 10px; overflow: hidden; }
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 20px 24px;
  background: #fff;
  border: none;
  cursor: pointer;
  text-align: left;
  transition: background var(--tr);
}
.faq-q span { font-size: 15px; font-weight: 600; color: var(--navy); }
.faq-q i    { font-size: 13px; color: var(--gold); flex-shrink: 0; transition: transform var(--tr); }
.faq-q:hover { background: var(--bg); }
.faq-q.open { background: var(--navy); }
.faq-q.open span { color: #fff; }
.faq-q.open i { transform: rotate(45deg); color: var(--gold); }
.faq-a { display: none; padding: 20px 24px; background: var(--bg); border-top: 1px solid var(--border); }
.faq-a p { font-size: 14px; color: var(--text); line-height: 1.85; }

/* =============================================
   CONTACT
   ============================================= */
.contact-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 56px; align-items: start; }
.contact-form-box {
  background: #fff;
  border-radius: var(--r);
  padding: 40px;
  box-shadow: var(--shadow);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; color: var(--navy); margin-bottom: 6px; }
.req { color: #e53e3e; }

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-family: var(--font-kr);
  font-size: 14px;
  color: var(--text);
  background: #fff;
  transition: border-color var(--tr);
}
.form-group input:focus,
.form-group textarea:focus { outline: none; border-color: var(--navy); }
.form-group textarea { resize: vertical; min-height: 120px; }

/* Select */
.select-wrap { position: relative; }
.select-wrap::after {
  content: '\f078';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  font-size: 12px;
  pointer-events: none;
}
.select-wrap select {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-family: var(--font-kr);
  font-size: 14px;
  color: var(--text);
  background: #fff;
  appearance: none;
  cursor: pointer;
  transition: border-color var(--tr);
}
.select-wrap select:focus { outline: none; border-color: var(--navy); }

/* Checkbox */
.privacy-row { margin-bottom: 24px; }
.check-label { display: flex; align-items: center; gap: 10px; cursor: pointer; font-size: 14px; user-select: none; }
.check-label input[type="checkbox"] { display: none; }
.check-box {
  width: 18px; height: 18px;
  border: 2px solid var(--border);
  border-radius: 4px;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--tr);
}
.check-label input:checked + .check-box {
  background: var(--navy);
  border-color: var(--navy);
}
.check-label input:checked + .check-box::after {
  content: '\f00c';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 10px;
  color: #fff;
}
.form-msg {
  margin-top: 14px;
  padding: 12px 18px;
  background: #f0fff4;
  border: 1px solid #9ae6b4;
  border-radius: 8px;
  color: #276749;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.form-msg.hidden { display: none; }

/* Contact Info */
.contact-info { padding-top: 4px; }
.contact-info h3 { font-size: 20px; font-weight: 700; color: var(--navy); margin-bottom: 28px; }
.ci-item { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 22px; }
.ci-icon {
  width: 40px; height: 40px;
  background: rgba(26,46,90,0.08);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: var(--navy); font-size: 16px;
  flex-shrink: 0;
}
.ci-text { display: flex; flex-direction: column; gap: 3px; }
.ci-text strong { font-size: 12px; color: var(--muted); font-weight: 600; }
.ci-text a, .ci-text span { font-size: 15px; font-weight: 500; color: var(--text); }
.ci-text a:hover { color: var(--navy); }

.contact-cta-box {
  background: var(--navy);
  color: #fff;
  border-radius: var(--r);
  padding: 28px 24px;
  margin-top: 32px;
}
.contact-cta-box p { font-size: 14px; color: rgba(255,255,255,0.78); margin-bottom: 20px; line-height: 1.7; }

/* =============================================
   FOOTER
   ============================================= */
footer { background: #0a1628; color: rgba(255,255,255,0.65); padding: 60px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 44px; }
.f-logo   { font-size: 18px; font-weight: 700; color: #fff; margin-bottom: 6px; }
.f-slogan { font-size: 13px; color: var(--gold); margin-bottom: 14px; }
.f-desc   { font-size: 13px; line-height: 1.8; }
.footer-nav h4, .footer-contact h4 { font-size: 13px; font-weight: 700; color: #fff; margin-bottom: 18px; letter-spacing: 0.5px; }
.footer-nav li { margin-bottom: 9px; }
.footer-nav a { font-size: 13px; color: rgba(255,255,255,0.55); transition: color var(--tr); }
.footer-nav a:hover { color: var(--gold); }
.footer-contact p { font-size: 13px; display: flex; align-items: center; gap: 8px; margin-bottom: 9px; }
.footer-contact i { color: var(--gold); width: 14px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
}
.f-privacy { color: rgba(255,255,255,0.4); transition: color var(--tr); }
.f-privacy:hover { color: var(--gold); }

/* =============================================
   SCROLL TO TOP
   ============================================= */
.scroll-top {
  position: fixed;
  bottom: 28px; right: 28px;
  width: 46px; height: 46px;
  background: var(--gold);
  color: #fff;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 15px;
  box-shadow: 0 4px 16px rgba(201,168,76,0.45);
  opacity: 0;
  transform: translateY(12px);
  transition: all var(--tr);
  z-index: 999;
}
.scroll-top.visible { opacity: 1; transform: translateY(0); }
.scroll-top:hover { background: var(--gold-dk); transform: translateY(-2px); }

/* =============================================
   POSTER MODAL
   ============================================= */
.poster-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.82);
  display: flex; align-items: center; justify-content: center;
  z-index: 3000;
  padding: 20px;
}
.poster-box {
  position: relative;
  max-width: 600px;
  width: 100%;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.poster-box img { width: 100%; display: block; }
.poster-close {
  position: absolute;
  top: 10px; right: 12px;
  background: rgba(0,0,0,0.55);
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 34px; height: 34px;
  font-size: 20px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  z-index: 1;
}
.poster-close:hover { background: rgba(0,0,0,0.85); }

/* =============================================
   ADMIN FLOAT BUTTON
   ============================================= */
.admin-float {
  position: fixed;
  bottom: 84px; right: 28px;
  display: flex; align-items: center; gap: 6px;
  padding: 8px 14px;
  background: rgba(15,31,64,0.88);
  color: rgba(255,255,255,0.75);
  border-radius: 24px;
  font-size: 12px;
  text-decoration: none;
  backdrop-filter: blur(6px);
  box-shadow: 0 2px 12px rgba(0,0,0,0.25);
  opacity: 0;
  transform: translateY(10px);
  transition: all var(--tr);
  z-index: 999;
}
.admin-float i { font-size: 11px; }
.admin-float.visible { opacity: 1; transform: translateY(0); }
.admin-float:hover { background: var(--navy); color: #fff; }

/* =============================================
   RESPONSIVE — Tablet (≤1023px)
   ============================================= */
@media (max-width: 1023px) {
  .hero-inner { gap: 40px; padding: 0 32px; }
  .hero-photo { width: 280px; }
  .about-grid       { grid-template-columns: 1fr; gap: 40px; }
  .about-left       { display: grid; grid-template-columns: 260px 1fr; gap: 24px; align-items: start; }
  .profile-photo    { aspect-ratio: auto; max-height: 340px; }
  .services-grid    { grid-template-columns: repeat(2,1fr); }
  .results-grid     { grid-template-columns: repeat(2,1fr); }
  .testi-grid       { grid-template-columns: repeat(2,1fr); }
  .footer-grid      { grid-template-columns: 1fr 1fr; }
  .footer-brand     { grid-column: 1 / -1; }
}

/* =============================================
   RESPONSIVE — Mobile (≤767px)
   ============================================= */
@media (max-width: 767px) {
  .section { padding: 64px 0; }

  /* Hero */
  .hero-inner { flex-direction: column; gap: 40px; padding: 100px 24px 40px; text-align: center; }
  .hero-content { text-align: center; }
  .hero-btns { justify-content: center; }
  .hero-photo { width: 240px; }


  /* Nav */
  .hamburger { display: flex; }
  .nav-menu {
    position: fixed;
    inset: 0;
    background: var(--navy);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 20px;
    transform: translateX(100%);
    transition: transform var(--tr);
    z-index: 999;
  }
  .nav-menu.open { transform: translateX(0); }
  .nav-menu a { font-size: 18px; padding: 12px 24px; }
  .nav-cta { margin-left: 0 !important; }

  /* About */
  .about-left { grid-template-columns: 1fr; }
  .profile-photo { max-width: 280px; margin: 0 auto; aspect-ratio: 3/4; }

  /* Services */
  .services-grid { grid-template-columns: 1fr; }

  /* Process */
  .process-wrap   { flex-direction: column; align-items: center; }
  .process-step   { max-width: 100%; width: 100%; }
  .process-arrow  { transform: rotate(90deg); margin: 0; }

  /* Results */
  .results-grid { grid-template-columns: repeat(2,1fr); gap: 16px; }
  .count { font-size: 42px; }

  /* Testimonials */
  .testi-grid { grid-template-columns: 1fr; }

  /* Programs */
  .programs-grid { grid-template-columns: 1fr; }
  .books-grid    { grid-template-columns: repeat(3,1fr); gap: 16px; }

  /* Contact */
  .contact-grid      { grid-template-columns: 1fr; gap: 36px; }
  .contact-form-box  { padding: 24px 18px; }
  .form-row          { grid-template-columns: 1fr; }

  /* Footer */
  .footer-grid   { grid-template-columns: 1fr; }
  .footer-brand  { grid-column: auto; }
  .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }

  .scroll-top { bottom: 18px; right: 18px; }
}

/* =============================================
   RESPONSIVE — Small Mobile (≤480px)
   ============================================= */
@media (max-width: 480px) {
  .hero-btns { flex-direction: column; align-items: center; }
  .results-grid { grid-template-columns: 1fr 1fr; }
  .books-grid { grid-template-columns: 1fr; max-width: 220px; margin: 0 auto; }
  .cred-grid  { grid-template-columns: 1fr; }
  .testi-card { padding: 24px 18px; }
  .reg-modal-box { padding: 28px 20px; margin: 16px; }
}

/* =============================================
   수강신청 모달
   ============================================= */
.reg-modal-overlay {
  position: fixed; inset: 0; z-index: 9000;
  background: rgba(0,0,0,0.55);
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
}
.reg-modal-box {
  background: #fff;
  border-radius: 16px;
  padding: 40px 36px;
  width: 100%; max-width: 500px;
  max-height: 90vh; overflow-y: auto;
  position: relative;
  box-shadow: 0 20px 60px rgba(0,0,0,0.2);
}
.reg-modal-close {
  position: absolute; top: 16px; right: 20px;
  background: none; border: none; font-size: 24px;
  color: #999; cursor: pointer; line-height: 1;
}
.reg-modal-close:hover { color: #333; }
.reg-modal-icon {
  font-size: 40px; color: var(--gold);
  text-align: center; margin-bottom: 12px;
}
.reg-modal-title {
  font-size: 20px; font-weight: 700;
  text-align: center; margin-bottom: 6px; color: var(--navy);
}
.reg-modal-course {
  text-align: center; font-size: 14px;
  color: var(--gold); font-weight: 600;
  margin-bottom: 16px;
  background: rgba(201,168,76,0.1);
  padding: 6px 14px; border-radius: 20px;
  display: inline-block; width: 100%; box-sizing: border-box;
}
.reg-modal-desc {
  text-align: center; color: #666;
  font-size: 14px; margin-bottom: 24px;
}
.btn-google-reg {
  display: flex; align-items: center; justify-content: center;
  gap: 10px; width: 100%; padding: 12px;
  border: 2px solid #e0e0e0; border-radius: 8px;
  background: #fff; cursor: pointer; font-size: 15px; font-weight: 500;
  transition: border-color .2s, box-shadow .2s;
}
.btn-google-reg:hover {
  border-color: var(--gold);
  box-shadow: 0 2px 12px rgba(201,168,76,0.2);
}
.reg-user-info {
  display: flex; align-items: center; gap: 10px;
  background: #f5f7fa; border-radius: 8px;
  padding: 10px 14px; margin-bottom: 16px; font-size: 13px;
}
.reg-user-info img,
.reg-avatar-placeholder {
  width: 32px; height: 32px; border-radius: 50%; object-fit: cover;
  background: var(--navy); display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 14px;
}
.reg-signout-btn {
  margin-left: auto; background: none; border: 1px solid #ddd;
  border-radius: 4px; padding: 3px 10px; font-size: 12px;
  cursor: pointer; color: #666;
}
.reg-signout-btn:hover { color: #e53e3e; border-color: #e53e3e; }
.readonly-input { background: #f5f7fa; cursor: default; }
.reg-done-icon {
  font-size: 56px; color: #38a169;
  text-align: center; margin-bottom: 16px;
}
#reg-step-done { text-align: center; }
#reg-step-done h3 { font-size: 22px; margin-bottom: 8px; color: var(--navy); }
#reg-step-done p  { color: #666; margin-bottom: 24px; }

/* =============================================
   admin.html 회원관리 테이블
   ============================================= */
.members-table {
  width: 100%; border-collapse: collapse; font-size: 13px;
}
.members-table th {
  background: var(--navy); color: #fff;
  padding: 10px 12px; text-align: left; font-weight: 500;
}
.members-table td {
  padding: 10px 12px; border-bottom: 1px solid #eee;
  vertical-align: middle;
}
.members-table tr:hover td { background: #f9f9fb; }
.course-tag {
  background: rgba(26,46,90,0.08); color: var(--navy);
  padding: 3px 10px; border-radius: 12px; font-size: 12px; white-space: nowrap;
}
.act-btn.approve { background:#e6f4ea; color:#2d7a47; border:none; }
.act-btn.reject  { background:#fff0f0; color:#c53030; border:none; }
.act-btn.delete  { background:#f5f5f5; color:#888;    border:none; }