/* ============================================================
   배움아카데미 — 2.0 Design System
   Philosophy: Navy + White + Sapphire Blue (single accent)
   Sections alternate: White ↔ Slate-900 for clear rhythm
   All cards: same 16px radius · same shadow · same border
   ============================================================ */

:root {
  /* Type Scale — 중장년층 가독성 기준 (전체 대폭 상향) */
  --text-xs:   clamp(0.9375rem, 0.875rem + 0.35vw, 1.0625rem);  /* ≈15~17px */
  --text-sm:   clamp(1.0625rem, 1rem    + 0.4vw,  1.25rem);     /* ≈17~20px */
  --text-base: clamp(1.1875rem, 1.1rem  + 0.5vw,  1.4375rem);   /* ≈19~23px */
  --text-lg:   clamp(1.4375rem, 1.25rem + 0.9vw,  1.875rem);    /* ≈23~30px */
  --text-xl:   clamp(1.875rem,  1.5rem  + 1.6vw,  2.625rem);    /* ≈30~42px */
  --text-2xl:  clamp(2.375rem,  1.8rem  + 2.4vw,  3.625rem);    /* ≈38~58px */
  --text-hero: clamp(3.0rem,    2.0rem  + 4.0vw,  5.0rem);      /* ≈48~80px */

  /* Spacing */
  --sp-1:.25rem; --sp-2:.5rem;  --sp-3:.75rem;
  --sp-4:1rem;   --sp-5:1.25rem;--sp-6:1.5rem;
  --sp-8:2rem;   --sp-10:2.5rem;--sp-12:3rem;
  --sp-16:4rem;  --sp-20:5rem;  --sp-24:6rem;

  /* Palette — Emerald */
  --em-900:#064e3b; --em-800:#065f46; --em-700:#047857;
  --em-600:#059669; --em-500:#10b981; --em-400:#34d399;
  --em-200:#a7f3d0; --em-100:#d1fae5; --em-50:#ecfdf5;

  /* Palette — Neutral */
  --n-950:#0a0f0d; --n-900:#0f172a; --n-800:#1e293b;
  --n-700:#334155; --n-600:#475569; --n-500:#64748b;
  --n-400:#94a3b8; --n-300:#cbd5e1; --n-200:#e2e8f0;
  --n-100:#f1f5f9; --n-50:#f8fafc;
  --white:#ffffff;

  /* Semantic */
  --bg-light:       var(--white);
  --bg-alt:         var(--n-50);
  --bg-dark:        var(--n-900);
  --bg-dark-2:      var(--n-800);

  --surface:        var(--white);
  --surface-alt:    var(--n-50);
  --surface-em:     var(--em-50);

  --border:         var(--n-200);
  --border-em:      var(--em-200);
  --divider:        var(--n-100);

  --text-primary:   var(--n-900);
  --text-secondary: var(--n-600);
  --text-muted:     var(--n-400);
  --text-inv:       var(--white);
  --text-inv-muted: rgba(255,255,255,.90);
  --text-inv-faint: rgba(255,255,255,.35);

  --primary:        var(--em-800);
  --primary-hover:  var(--em-900);
  --primary-light:  var(--em-50);
  --accent:         var(--em-400); /* only on dark bg */

  --error:          #ef4444;

  /* Radius — unified card system */
  --r-sm:  4px;
  --r-md:  8px;
  --r-lg:  12px;
  --r-xl:  16px;
  --r-2xl: 24px;
  --r-full:9999px;

  /* Shadow — unified */
  --sh-xs: 0 1px 3px rgba(0,0,0,.06);
  --sh-sm: 0 2px 8px rgba(0,0,0,.07), 0 1px 3px rgba(0,0,0,.04);
  --sh-md: 0 6px 24px rgba(0,0,0,.09), 0 2px 8px rgba(0,0,0,.05);
  --sh-lg: 0 16px 48px rgba(0,0,0,.12), 0 4px 16px rgba(0,0,0,.07);
  --sh-em: 0 4px 20px rgba(6,95,70,.18);

  --tr: 180ms cubic-bezier(.16,1,.3,1);

  --font-serif: 'Noto Serif KR', Georgia, serif;
  --font-sans:  'Noto Sans KR', 'Apple SD Gothic Neo', sans-serif;
  --max-w: 1100px;
}

/* ══ RESET ══ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  scroll-padding-top: 72px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  color: var(--text-primary);
  background: var(--bg-light);
  line-height: 1.85;
  min-height: 100dvh;
  word-break: keep-all;
  overflow-wrap: break-word;
}
img, svg { display: block; max-width: 100%; }
ul { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }
h1,h2,h3,h4 { text-wrap: balance; }
p, li { text-wrap: pretty; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; background: none; border: none; }
::selection { background: var(--em-100); color: var(--em-900); }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; border-radius: var(--r-sm); }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration:.01ms !important; transition-duration:.01ms !important; }
}

/* ══ LAYOUT ══ */
.container {
  width: 100%; max-width: var(--max-w);
  margin: 0 auto;
  padding-inline: clamp(var(--sp-5), 5vw, var(--sp-12));
}
.section { padding-block: clamp(var(--sp-16), 8vw, var(--sp-24)); }

/* ══ TYPOGRAPHY AIDS ══ */
.eyebrow {
  display: inline-flex; align-items: center; gap: var(--sp-2);
  font-size: var(--text-xs); font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--primary); margin-bottom: var(--sp-4);
}
.eyebrow::before {
  content: ''; display: block;
  width: 20px; height: 2px;
  background: currentColor; border-radius: 2px; flex-shrink: 0;
}
.eyebrow--inv { color: var(--accent); }
.eyebrow--inv::before { background: var(--accent); }

.section-title {
  font-family: var(--font-serif);
  font-size: var(--text-xl); font-weight: 700;
  color: var(--n-900); line-height: 1.2;
  margin-bottom: var(--sp-4);
  letter-spacing: -.02em;
}
.section-title--inv { color: var(--text-inv); }
.section-desc { font-size: var(--text-base); color: var(--n-600); line-height: 1.85; max-width: 52ch; margin: 0 auto; }
.section-desc--inv { color: var(--text-inv-muted); }
.section-header {
  text-align: center;
  max-width: 560px;
  margin: 0 auto clamp(var(--sp-10), 5vw, var(--sp-16));
}

/* ══ BUTTONS ══ */
.btn {
  display: inline-flex; align-items: center; gap: var(--sp-2);
  padding: .8em 1.8em; border-radius: var(--r-md);
  font-size: var(--text-base); font-weight: 600; line-height: 1;
  transition: background var(--tr), color var(--tr),
              border-color var(--tr), transform var(--tr), box-shadow var(--tr);
  white-space: nowrap; cursor: pointer; border: 2px solid transparent;
}
.btn--primary { background: var(--primary); color: var(--white); border-color: var(--primary); }
.btn--primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); transform: translateY(-1px); box-shadow: var(--sh-em); }
.btn--ghost { background: transparent; color: var(--text-primary); border-color: var(--border); }
.btn--ghost:hover { border-color: var(--primary); color: var(--primary); }
.btn--ghost-inv { background: transparent; color: var(--white); border-color: rgba(255,255,255,.3); }
.btn--ghost-inv:hover { border-color: var(--accent); color: var(--accent); }
.btn--lg { padding: .9em 2.2em; font-size: var(--text-lg); border-radius: var(--r-lg); }
.btn--full { width: 100%; justify-content: center; }
.btn-arrow { transition: transform var(--tr); }
.btn--primary:hover .btn-arrow { transform: translateX(3px); }

/* ══ HEADER ══ */
.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex; align-items: center; gap: var(--sp-6); height: 68px;
}
.logo { display: flex; align-items: center; gap: var(--sp-3); flex-shrink: 0; }
.logo-text {
  font-family: var(--font-serif); font-size: var(--text-sm);
  font-weight: 700; color: var(--text-primary); letter-spacing: -.01em;
}
.nav { display: flex; align-items: center; gap: var(--sp-1); margin-left: auto; }
.nav-link {
  font-size: 16px; font-weight: 600; color: var(--text-secondary);
  padding: var(--sp-2) var(--sp-3); border-radius: var(--r-sm);
  transition: color var(--tr), background var(--tr);
}
.nav-link:hover { color: var(--text-primary); background: var(--n-100); }
.nav-link--cta {
  background: var(--primary); color: var(--white) !important;
  padding: var(--sp-2) var(--sp-5); border-radius: var(--r-md); margin-left: var(--sp-2);
  transition: background var(--tr), transform var(--tr);
}
.nav-link--cta:hover { background: var(--primary-hover) !important; transform: translateY(-1px); }
.mobile-menu-toggle {
  display: none; flex-direction: column; gap: 5px;
  width: 36px; height: 36px; align-items: center; justify-content: center;
  border-radius: var(--r-md);
}
.mobile-menu-toggle span {
  display: block; width: 20px; height: 2px;
  background: var(--n-600); border-radius: 2px; transition: all var(--tr);
}
.mobile-nav {
  display: none; flex-direction: column;
  padding: var(--sp-3) var(--sp-5) var(--sp-4);
  border-top: 1px solid var(--border); background: var(--white);
}
.mobile-nav.is-open { display: flex; }
.mobile-nav-link {
  padding: var(--sp-4) var(--sp-4); font-size: var(--text-base); font-weight: 500;
  color: var(--text-secondary); border-radius: var(--r-sm);
  transition: color var(--tr), background var(--tr);
}
.mobile-nav-link:hover { color: var(--text-primary); background: var(--n-100); }
.mobile-nav-link--cta {
  margin-top: var(--sp-2); background: var(--primary);
  color: var(--white) !important; text-align: center; border-radius: var(--r-md);
}
.mobile-nav-link--cta:hover { background: var(--primary-hover) !important; }

/* ══ HERO ══ */
.hero {
  background:
    radial-gradient(ellipse 80% 60% at 70% -10%, rgba(6,95,70,.07) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 0% 100%, rgba(16,185,129,.05) 0%, transparent 55%),
    linear-gradient(160deg, #f8fffe 0%, var(--white) 60%);
  padding-block: clamp(var(--sp-20), 10vw, var(--sp-24));
  position: relative; overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(6,95,70,.04) 1px, transparent 0);
  background-size: 36px 36px;
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute; top: -120px; right: -80px;
  width: 520px; height: 520px; border-radius: 50%;
  background: radial-gradient(circle, rgba(16,185,129,.08) 0%, transparent 65%);
  pointer-events: none;
}
.hero-inner {
  display: grid; grid-template-columns: 1fr 360px;
  gap: var(--sp-16); align-items: center;
  position: relative; z-index: 1;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: var(--sp-2);
  background: var(--em-50); color: var(--em-800);
  border: 1px solid var(--em-200);
  font-size: var(--text-xs); font-weight: 600; letter-spacing: .05em;
  padding: var(--sp-2) var(--sp-4); border-radius: var(--r-full);
  margin-bottom: var(--sp-5);
}
.hero-badge svg { color: var(--em-600); }
.hero-title {
  font-family: var(--font-serif);
  font-size: var(--text-hero); font-weight: 700;
  color: var(--n-900); line-height: 1.15; letter-spacing: -.03em;
  margin-bottom: var(--sp-6);
}
.hero-title em {
  font-style: normal;
  background: linear-gradient(135deg, var(--em-700) 0%, var(--em-500) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  font-size: var(--text-base); color: var(--text-secondary);
  line-height: 1.9; max-width: 50ch; margin-bottom: var(--sp-8);
}
.hero-ctas { display: flex; gap: var(--sp-3); flex-wrap: wrap; }

/* 카카오 버튼 */
.hero-kakao {
  display: flex; gap: var(--sp-3); flex-wrap: wrap;
  margin-top: var(--sp-4);
}
.btn-kakao {
  display: inline-flex; align-items: center; gap: 8px;
  background: #FEE500; color: #3C1E1E;
  font-size: var(--text-sm); font-weight: 700;
  padding: 10px 20px; border-radius: 9999px;
  border: none; cursor: pointer;
  transition: background .18s, transform .18s, box-shadow .18s;
  box-shadow: 0 2px 8px rgba(254,229,0,.35);
  text-decoration: none;
  white-space: nowrap;
}
.btn-kakao:hover {
  background: #f5d900;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(254,229,0,.45);
}
.btn-kakao svg { flex-shrink: 0; }
/* 채팅하기 버튼은 약간 투명하게 구분 */
.btn-kakao--chat {
  background: rgba(254,229,0,.80);
  box-shadow: 0 2px 8px rgba(254,229,0,.20);
}
.btn-kakao--chat:hover { background: #FEE500; }

/* Hero panel — 통일된 카드 스타일 */
.hero-panel {
  background: var(--white); border-radius: var(--r-xl);
  border: 1px solid var(--border);
  box-shadow: var(--sh-lg); padding: var(--sp-8);
  display: flex; flex-direction: column; gap: var(--sp-5);
}
.hero-panel-title {
  font-size: var(--text-xs); font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--text-muted);
}
.stat-row { display: flex; flex-direction: column; gap: var(--sp-3); }
.stat-item {
  display: flex; align-items: center; gap: var(--sp-4);
  padding: var(--sp-4); border-radius: var(--r-lg);
  background: var(--n-50); border: 1px solid var(--divider);
  transition: border-color var(--tr), box-shadow var(--tr);
}
.stat-item:hover { border-color: var(--em-200); box-shadow: var(--sh-em); }
.stat-icon {
  width: 40px; height: 40px; border-radius: var(--r-md);
  background: var(--em-50); color: var(--em-700);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.stat-body { display: flex; flex-direction: column; gap: 2px; }
.stat-num {
  font-family: var(--font-serif); font-size: var(--text-lg);
  font-weight: 700; color: var(--n-900); line-height: 1;
}
.stat-label { font-size: var(--text-xs); color: var(--text-secondary); font-weight: 500; }

/* ══ TRUST BAR ══ */
.trust-bar {
  background: linear-gradient(90deg, var(--n-900) 0%, var(--em-900) 50%, var(--n-900) 100%);
  padding-block: var(--sp-6); overflow: hidden;
  border-top: 1px solid rgba(52,211,153,.12);
  border-bottom: 1px solid rgba(52,211,153,.08);
}
.trust-bar-inner {
  display: flex; align-items: center; gap: var(--sp-8);
  flex-wrap: wrap; justify-content: center;
}
.trust-item {
  display: flex; align-items: center; gap: var(--sp-3);
  font-size: var(--text-sm); font-weight: 600;
  color: rgba(255,255,255,.95); white-space: nowrap;
  letter-spacing: .01em;
}
.trust-item svg { color: var(--accent); flex-shrink: 0; }
.trust-divider { width: 1px; height: 16px; background: rgba(255,255,255,.1); }

/* ══ PROGRAMS ══ */
.programs-section { background: var(--n-50); }
.programs-grid {
  display: grid; grid-template-columns: repeat(3,1fr); gap: var(--sp-5);
}
/* 통일 카드 */
.program-card {
  background: var(--white); border: 1px solid var(--n-200);
  border-radius: var(--r-xl); padding: var(--sp-8);
  display: flex; flex-direction: column; gap: var(--sp-5);
  transition: box-shadow var(--tr), transform var(--tr), border-color var(--tr);
  position: relative; overflow: hidden;
  box-shadow: 0 1px 3px rgba(0,0,0,.04), 0 1px 2px rgba(0,0,0,.03);
}
.program-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--em-800), var(--em-500));
  opacity: 0; transition: opacity var(--tr);
}
.program-card:hover {
  box-shadow: 0 12px 40px rgba(0,0,0,.10), 0 4px 12px rgba(0,0,0,.06);
  transform: translateY(-4px); border-color: var(--em-200);
}
.program-card:hover::before { opacity: 1; }
.program-card--featured { border-color: var(--em-300); border-top-color: transparent; }
.program-card--featured::before { opacity: 1; }
.program-icon {
  width: 48px; height: 48px; border-radius: var(--r-lg);
  background: var(--em-50); color: var(--em-700);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.program-tag {
  position: absolute; top: var(--sp-6); right: var(--sp-6);
  background: var(--em-800); color: var(--white);
  font-size: 10px; font-weight: 700; letter-spacing: .06em;
  padding: 3px 10px; border-radius: var(--r-full);
}
.program-title {
  font-family: var(--font-serif); font-size: var(--text-lg);
  font-weight: 700; color: var(--n-900); line-height: 1.3;
}
.program-desc {
  font-size: var(--text-sm); color: var(--text-secondary);
  line-height: 1.8; flex: 1;
}
.program-features { display: flex; flex-direction: column; gap: var(--sp-2); }
.program-features li {
  display: flex; align-items: center; gap: var(--sp-2);
  font-size: var(--text-sm); color: var(--n-700);
}
.program-features li svg { flex-shrink: 0; color: var(--em-600); }
.program-meta {
  display: flex; gap: var(--sp-4); flex-wrap: wrap;
  font-size: var(--text-xs); color: var(--text-muted);
  padding-top: var(--sp-4); border-top: 1px solid var(--divider);
}
.program-meta span { display: flex; align-items: center; gap: var(--sp-1); }

/* Capability block */
.capability-block {
  margin-top: var(--sp-12);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: var(--sp-8) var(--sp-10);
}
.capability-header {
  display: flex; align-items: center; gap: var(--sp-3);
  margin-bottom: var(--sp-6);
}
.capability-icon {
  width: 40px; height: 40px;
  background: var(--em-50); border-radius: var(--r-lg);
  display: flex; align-items: center; justify-content: center;
  color: var(--em-700); flex-shrink: 0;
}
.capability-title {
  font-family: var(--font-serif); font-size: var(--text-lg);
  font-weight: 600; color: var(--n-900);
}
.capability-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--sp-3) var(--sp-8);
}
.capability-item {
  display: flex; align-items: flex-start; gap: var(--sp-2);
  font-size: var(--text-sm); color: var(--n-700); line-height: 1.6;
}
.capability-item svg { color: var(--em-600); margin-top: 3px; flex-shrink: 0; }

/* Lecture chips */
.lecture-wrap { padding: var(--sp-5) var(--sp-6); }
.lecture-chips {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 10px;
}
.lecture-chip {
  background: var(--white); border: 1px solid var(--border);
  color: var(--n-700); font-size: var(--text-sm); font-weight: 500;
  padding: 12px 18px; border-radius: var(--r-full);
  text-align: center; word-break: keep-all;
  transition: border-color var(--tr), color var(--tr), background var(--tr);
}
.lecture-chip:hover { border-color: var(--em-500); color: var(--em-800); background: var(--em-50); }

/* ══ ABOUT ══ */
.about-section {
  background: linear-gradient(180deg, var(--white) 0%, var(--n-50) 100%);
}
.about-inner {
  display: grid; grid-template-columns: 320px 1fr;
  gap: clamp(var(--sp-10), 5vw, var(--sp-20)); align-items: start;
}

/* Profile card */
.profile-card {
  background: var(--white);
  border: 1px solid var(--n-200);
  border-radius: var(--r-xl); padding: var(--sp-8);
  position: sticky; top: 90px;
  display: flex; flex-direction: column; align-items: center; gap: var(--sp-5);
  text-align: center;
  box-shadow: 0 4px 24px rgba(6,95,70,.07), 0 1px 4px rgba(0,0,0,.05);
}
.profile-name {
  font-family: var(--font-serif); font-size: var(--text-xl);
  font-weight: 700; color: var(--n-900);
}
.profile-hanja { font-size: var(--text-sm); color: var(--text-muted); font-weight: 400; }
.profile-title {
  font-size: var(--text-sm); color: var(--em-800); font-weight: 600; line-height: 1.55;
}
.profile-contact { display: flex; flex-direction: column; gap: var(--sp-3); width: 100%; }
.profile-contact-item {
  display: flex; align-items: flex-start; gap: var(--sp-3);
  font-size: var(--text-xs); color: var(--text-secondary);
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--r-md); padding: var(--sp-3) var(--sp-4);
  min-width: 0; overflow: hidden;
}
.profile-contact-item svg { flex-shrink: 0; color: var(--em-600); margin-top: 2px; }
.profile-contact-item a { color: var(--em-800); font-weight: 600; transition: color var(--tr); overflow-wrap: anywhere; font-size: var(--text-xs); }
.profile-contact-item a:hover { color: var(--em-600); }
/* profile-contact-emails 제거 (단일 이메일) */
.profile-tags { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-2); justify-items: center; }
.profile-tag {
  background: var(--em-50); color: var(--em-800);
  border: 1px solid var(--em-200);
  font-size: var(--text-xs); font-weight: 600;
  padding: 6px 12px; border-radius: var(--r-full);
  width: 100%; text-align: center;
  display: flex; align-items: center; justify-content: center;
}

/* About content */
.about-content { display: flex; flex-direction: column; gap: var(--sp-8); }
.about-lead {
  font-size: var(--text-base); color: var(--n-700); line-height: 1.9;
}
.about-lead strong { color: var(--em-800); }

/* Career blocks */
.career-section { display: flex; flex-direction: column; gap: var(--sp-5); }
.career-block {
  border: 1px solid var(--n-200); border-radius: var(--r-xl); overflow: hidden;
  box-shadow: 0 1px 3px rgba(0,0,0,.04);
}
.career-block-header {
  display: flex; align-items: center; gap: var(--sp-3);
  padding: var(--sp-4) var(--sp-6);
  background: linear-gradient(90deg, var(--em-100) 0%, var(--em-50) 100%);
  border-bottom: 1px solid var(--em-200);
}
.career-block-icon {
  width: 32px; height: 32px; border-radius: var(--r-md);
  background: var(--em-200); color: var(--em-800);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.career-block-title { font-size: var(--text-sm); font-weight: 700; color: var(--em-900); letter-spacing: .01em; }
.career-list { display: flex; flex-direction: column; }
.career-item {
  display: flex; align-items: flex-start; gap: var(--sp-4);
  padding: var(--sp-4) var(--sp-6);
  border-bottom: 1px solid var(--divider);
  transition: background var(--tr);
}
.career-item:last-child { border-bottom: none; }
.career-item:hover { background: var(--n-50); }
.career-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--em-500); flex-shrink: 0; margin-top: 7px;
}
.career-item-text {
  font-size: var(--text-base); color: var(--n-700); line-height: 1.8;
  word-break: keep-all; overflow-wrap: break-word;
}
.career-item-text strong { color: var(--n-900); font-weight: 600; }
.career-item-text--sm { font-size: var(--text-sm); }
.award-grid {
  display: grid; grid-template-columns: repeat(3,1fr); gap: var(--sp-3);
  padding: var(--sp-5) var(--sp-6);
}
.award-item {
  display: flex; align-items: flex-start; gap: var(--sp-3);
  background: var(--em-50); border: 1px solid var(--em-100);
  border-radius: var(--r-lg); padding: var(--sp-4);
}
.award-icon { flex-shrink: 0; color: var(--em-600); margin-top: 1px; }
.award-text { font-size: var(--text-xs); color: var(--n-700); line-height: 1.55; }
.award-text strong { display: block; font-weight: 600; color: var(--n-900); margin-bottom: 2px; }

/* ══ NETWORK BLOCK ══ */
/* 배경: 다크 네이비 — 전체 폭 독립 블록 */
.network-section {
  background: linear-gradient(135deg, var(--n-900) 0%, #0a1628 60%, #0d1f1a 100%);
  padding-block: clamp(var(--sp-10), 5vw, var(--sp-16));
  color: var(--white);
}
.network-block {
  margin-top: 0;
  border-radius: 0;
  box-shadow: none;
  padding: 0;
  grid-column: unset;
  border: none;
  isolation: isolate;
  background: transparent !important;
}
.network-head-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: clamp(var(--sp-6), 3vw, var(--sp-12));
  margin-bottom: var(--sp-8);
}
.network-left-col { min-width: 0; flex: 1 1 260px; }
.network-eyebrow {
  font-size: var(--text-xs); font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--accent); margin-bottom: var(--sp-3);
  overflow-wrap: anywhere;
}
.network-title {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 1.1rem + 1.4vw, 2rem);
  font-weight: 700; color: var(--white);
  line-height: 1.3; word-break: keep-all;
  margin-bottom: var(--sp-4);
}
.network-subtitle {
  font-size: var(--text-sm);
  color: rgba(255,255,255,.80);
  line-height: 1.85;
  word-break: keep-all;
  overflow-wrap: break-word;
}
.network-em {
  font-style: normal;
  color: #fbbf24;
  font-weight: 700;
}
.network-stat-badge {
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  background: rgba(52,211,153,.1);
  border: 1px solid rgba(52,211,153,.25);
  border-radius: var(--r-xl);
  padding: var(--sp-6) var(--sp-8);
  flex-shrink: 0; min-width: 140px;
}
.network-stat-num {
  font-family: var(--font-serif); font-size: 2.8rem;
  font-weight: 700; color: var(--white); line-height: 1;
}
.network-stat-plus { font-size: 1.5rem; color: var(--accent); vertical-align: super; }
.network-stat-label {
  font-size: 11px; color: var(--text-inv-muted);
  letter-spacing: .04em; margin-top: 6px;
  overflow-wrap: break-word; text-align: center;
}
.network-divider {
  height: 1px; background: rgba(255,255,255,.08); margin-bottom: var(--sp-8);
}
.network-tags {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-3);
}
.network-tag {
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: var(--sp-2); text-align: center;
  font-size: var(--text-sm); font-weight: 600;
  color: var(--white);
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--r-lg);
  padding: var(--sp-5) var(--sp-4);
  word-break: keep-all; overflow-wrap: break-word;
  line-height: 1.55;
  transition: transform .2s, background .2s;
}
.network-tag:hover { transform: translateY(-2px); background: rgba(255,255,255,.1); }
.network-tag--gold {
  background: rgba(251,191,36,.12);
  border-color: rgba(251,191,36,.35);
  color: #fde68a;
}
.network-tag--gold:hover { background: rgba(251,191,36,.2); }
.network-tag--amber {
  background: rgba(251,146,60,.10);
  border-color: rgba(251,146,60,.30);
  color: #fed7aa;
}
.network-tag--amber:hover { background: rgba(251,146,60,.18); }
.network-tag-icon {
  font-size: 1.2rem; line-height: 1;
  color: var(--accent);
  flex-shrink: 0;
}
.network-tag--gold .network-tag-icon { color: #fbbf24; }
.network-tag--amber .network-tag-icon { color: #fb923c; }

/* ══ PRICING ══ */
/* 배경: 라이트 그레이 */
.pricing-section { background: var(--bg-alt); }
.pricing-grid {
  display: grid; grid-template-columns: repeat(3,1fr);
  gap: var(--sp-5); align-items: start;
}
.pricing-card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--r-xl); padding: var(--sp-8);
  display: flex; flex-direction: column; gap: var(--sp-5);
  position: relative; transition: box-shadow var(--tr), transform var(--tr);
}
.pricing-card:hover { box-shadow: var(--sh-md); transform: translateY(-2px); }
.pricing-card--featured { border-color: var(--em-800); box-shadow: var(--sh-em); transform: scale(1.02); }
.pricing-card--featured:hover { transform: scale(1.02) translateY(-2px); }
.pricing-badge {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: var(--em-800); color: var(--white);
  font-size: 11px; font-weight: 700; letter-spacing: .05em;
  padding: 4px 14px; border-radius: var(--r-full); white-space: nowrap;
}
.pricing-name { font-family: var(--font-serif); font-size: var(--text-lg); font-weight: 700; color: var(--n-900); }
.pricing-price { display: flex; align-items: baseline; gap: var(--sp-2); margin-top: var(--sp-2); }
.price-amount {
  font-family: var(--font-serif); font-size: var(--text-2xl);
  font-weight: 700; color: var(--em-800); line-height: 1;
}
.price-unit { font-size: var(--text-sm); color: var(--text-secondary); }
.pricing-desc { font-size: var(--text-sm); color: var(--text-secondary); line-height: 1.75; }
.pricing-features { display: flex; flex-direction: column; gap: var(--sp-3); flex: 1; }
.pricing-features li { display: flex; align-items: center; gap: var(--sp-2); font-size: var(--text-sm); color: var(--n-700); }
.pricing-features li svg { flex-shrink: 0; color: var(--em-600); }
.pricing-note { text-align: center; margin-top: var(--sp-10); font-size: var(--text-xs); color: var(--text-muted); }

/* ══ TESTIMONIALS ══ */
/* 배경: 다크 네이비 */
.testimonials-section { background: var(--n-900); }
.testimonials-section .section-title { color: var(--white); }
.testimonials-section .section-desc  { color: var(--text-inv-muted); }
.testimonials-section .eyebrow       { color: var(--accent); }
.testimonials-section .eyebrow::before { background: var(--accent); }

.testimonials-row { display: grid; gap: var(--sp-5); margin-bottom: var(--sp-5); }
.testimonials-row--top    { grid-template-columns: 1fr 1fr; }
.testimonials-row--bottom { grid-template-columns: 1fr 1fr 1fr; margin-bottom: 0; }

/* 통일 카드 — 다크 버전 */
.testimonial-card {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.09);
  border-radius: var(--r-xl);
  padding: var(--sp-8);
  display: flex; flex-direction: column; gap: var(--sp-5);
  transition: background .2s, border-color .2s, box-shadow .2s;
}
.testimonial-card:hover {
  background: rgba(255,255,255,.08);
  border-color: rgba(52,211,153,.28);
  box-shadow: 0 8px 32px rgba(0,0,0,.25);
}
.testimonial-badge {
  display: inline-block; font-size: var(--text-sm); font-weight: 700;
  letter-spacing: .03em; color: var(--n-900);
  background: var(--em-400);
  border: none;
  border-radius: var(--r-full); padding: 6px 16px; align-self: flex-start;
}
.testimonial-text {
  font-size: var(--text-sm); color: var(--white);
  line-height: 1.85; flex: 1; word-break: keep-all;
}
.testimonial-author {
  display: flex; align-items: center; gap: var(--sp-2);
  padding-top: var(--sp-4); border-top: 1px solid rgba(255,255,255,.08);
}
.author-name { font-size: var(--text-sm); font-weight: 700; color: var(--white); }
.author-name::after { content: "·"; margin-left: var(--sp-2); color: rgba(255,255,255,.5); }
.author-role { font-size: var(--text-xs); color: rgba(255,255,255,.9); }

/* ══ REFERENCES ══ */
.references-section {
  background: linear-gradient(180deg, var(--white) 0%, var(--n-50) 100%);
}

.ref-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-6);
  margin-top: var(--sp-10);
  align-items: stretch;
}

/* 카드 — 클린 박스 */
.ref-card {
  background: var(--white);
  border: 1px solid var(--n-200);
  border-radius: var(--r-lg);
  padding: var(--sp-6) var(--sp-7);
  transition: box-shadow var(--tr), transform var(--tr);
  box-shadow: 0 1px 4px rgba(0,0,0,.04), 0 1px 2px rgba(0,0,0,.03);
  display: flex; flex-direction: column;
}
.ref-card:hover {
  box-shadow: 0 8px 28px rgba(6,95,70,.12), 0 2px 8px rgba(0,0,0,.06);
  transform: translateY(-4px);
}

/* 강조 카드 (AI 특화) */
.ref-card--accent {
  background: linear-gradient(160deg, var(--em-50) 0%, var(--white) 55%);
}

/* 카드 헤더 */
.ref-card-header {
  display: flex; align-items: center; justify-content: center; gap: var(--sp-3);
  margin-bottom: var(--sp-5);
  padding-bottom: var(--sp-4);
  border-bottom: 1px solid var(--em-100);
}
.ref-card-icon {
  width: 34px; height: 34px;
  background: var(--em-50); border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center;
  color: var(--em-700); flex-shrink: 0;
}
.ref-card--accent .ref-card-icon { background: var(--em-100); color: var(--em-800); }
.ref-card-title {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--n-900);
  letter-spacing: -0.01em;
}

/* 리스트 — 중앙 정렬, 안정감 */
.ref-list {
  list-style: none;
  display: flex; flex-direction: column;
  gap: var(--sp-3); padding: var(--sp-2) 0; margin: 0;
  flex: 1;
}
.ref-list li {
  font-size: var(--text-sm); color: var(--n-700);
  line-height: 1.7; word-break: keep-all; overflow-wrap: break-word;
  text-align: center; padding: var(--sp-1) var(--sp-2);
}
.ref-list li::before { display: none; }

/* ref-sub: 보조 설명 텍스트 (inline) */
.ref-sub {
  display: inline;
  font-size: var(--text-xs); color: var(--em-700);
  font-weight: 500;
}

/* ══ CONTACT ══ */
.contact-section {
  background: linear-gradient(160deg, var(--n-50) 0%, #f0fdf8 100%);
}
.contact-wrapper {
  display: grid; grid-template-columns: 1fr 380px;
  gap: clamp(var(--sp-10), 5vw, var(--sp-16)); align-items: start;
}
.contact-form { display: flex; flex-direction: column; gap: var(--sp-5); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-4); }
.form-group { display: flex; flex-direction: column; gap: var(--sp-2); }
.form-label { font-size: var(--text-base); font-weight: 600; color: var(--n-800); }
.required { color: var(--error); }
.form-input, .form-select, .form-textarea {
  width: 100%; padding: var(--sp-4) var(--sp-4);
  background: var(--white); border: 1.5px solid var(--border);
  border-radius: var(--r-md); font-size: var(--text-base); color: var(--n-900);
  transition: border-color var(--tr), box-shadow var(--tr);
  appearance: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none; border-color: var(--em-700);
  box-shadow: 0 0 0 3px rgba(6,95,70,.1);
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--n-400); }
.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right var(--sp-4) center;
  padding-right: var(--sp-10);
}
.form-textarea { resize: vertical; min-height: 130px; }
.form-error { font-size: var(--text-xs); color: var(--error); min-height: 1em; }
.form-check { flex-direction: row; align-items: flex-start; gap: var(--sp-3); }
.form-checkbox {
  width: 18px; height: 18px; border: 2px solid var(--border);
  border-radius: var(--r-sm); flex-shrink: 0; margin-top: 1px;
  accent-color: var(--em-700);
}
.form-check-label { font-size: var(--text-sm); color: var(--text-secondary); }
.form-success {
  display: flex; align-items: center; gap: var(--sp-3);
  background: var(--em-50); border: 1px solid var(--em-200);
  border-radius: var(--r-md); padding: var(--sp-4) var(--sp-5);
  font-size: var(--text-sm); color: var(--em-800); font-weight: 500;
}

/* Contact sidebar — 통일 카드 */
.contact-info {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--r-xl); overflow: hidden;
}
.contact-info-header { background: var(--n-900); padding: var(--sp-6) var(--sp-8); }
.contact-info-title {
  font-family: var(--font-serif); font-size: var(--text-lg);
  font-weight: 700; color: var(--white); margin-bottom: var(--sp-1);
}
.contact-info-sub { font-size: var(--text-xs); color: var(--text-inv-muted); }
.contact-info-body { padding: var(--sp-6) var(--sp-8); display: flex; flex-direction: column; gap: var(--sp-5); }
.contact-item { display: flex; align-items: flex-start; gap: var(--sp-4); font-size: var(--text-sm); color: var(--text-secondary); }
.contact-item-icon {
  width: 34px; height: 34px; border-radius: var(--r-md);
  background: var(--em-50); color: var(--em-700);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.contact-item-body { display: flex; flex-direction: column; gap: 2px; }
.contact-item-label { font-size: var(--text-xs); color: var(--text-muted); font-weight: 600; letter-spacing: .05em; text-transform: uppercase; }
.contact-link { color: var(--em-800); font-weight: 600; transition: color var(--tr); }
.contact-link:hover { color: var(--em-600); }
.contact-note-wrap { padding: var(--sp-7) var(--sp-8); border-top: 1px solid var(--border); display: flex; flex-direction: column; gap: var(--sp-4); }
.contact-note-item { font-size: var(--text-sm); color: var(--em-800); font-weight: 600; line-height: 1.75; text-align: center; word-break: keep-all; }
.contact-note-item svg { flex-shrink: 0; color: var(--em-600); margin-top: 4px; min-width: 18px; }

/* ══ FOOTER ══ */
/* 배경: 최어두운 네이비 */
.footer { background: var(--n-950); padding-block: var(--sp-12); }
.footer-inner {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: var(--sp-10); align-items: center;
}
.footer-brand { display: flex; flex-direction: column; gap: var(--sp-3); }
.footer .logo-text { color: var(--white); }
.footer-tagline { font-size: var(--text-sm); color: rgba(255,255,255,.35); }
.footer-nav { display: flex; gap: var(--sp-6); flex-wrap: wrap; justify-content: flex-end; align-items: center; }
.footer-nav a { font-size: var(--text-sm); color: rgba(255,255,255,.4); transition: color var(--tr); }
.footer-nav a:hover { color: var(--accent); }
.footer-copy {
  grid-column: 1 / -1; padding-top: var(--sp-6);
  border-top: 1px solid rgba(255,255,255,.07);
  font-size: var(--text-xs); color: rgba(255,255,255,.2); text-align: center;
}

/* ══ ANIMATIONS ══ */
.fade-in { opacity: 0; transform: translateY(20px); transition: opacity .5s ease, transform .5s ease; }
.fade-in.visible { opacity: 1; transform: none; }

/* ══ RESPONSIVE ══ */
@media (max-width: 960px) {
  /* Hero */
  .hero-inner { grid-template-columns: 1fr; gap: var(--sp-10); }
  .hero-panel { display: grid; grid-template-columns: repeat(2,1fr); gap: var(--sp-4); }
  .stat-row { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(2,1fr); gap: var(--sp-3); }

  /* Programs */
  .programs-grid { grid-template-columns: repeat(2, 1fr); }

  /* About */
  .about-inner { grid-template-columns: 1fr; }
  .profile-card { position: static; flex-direction: row; flex-wrap: wrap; text-align: left; }
  .profile-tags { grid-template-columns: 1fr 1fr; }

  /* Network */
  .network-block { padding: var(--sp-8); }
  .network-tags { grid-template-columns: repeat(2, 1fr); }

  /* Pricing */
  .pricing-grid { grid-template-columns: 1fr; max-width: 480px; margin-inline: auto; }
  .pricing-card--featured { transform: none; }
  .pricing-card--featured:hover { transform: translateY(-2px); }

  /* Testimonials */
  .testimonials-row--top    { grid-template-columns: 1fr 1fr; }
  .testimonials-row--bottom { grid-template-columns: 1fr 1fr 1fr; }

  /* References — 태블릿: 2열 */
  .ref-grid { grid-template-columns: repeat(2, 1fr); }

  /* Contact */
  .contact-wrapper { grid-template-columns: 1fr; }

  /* Footer */
  .footer-inner { grid-template-columns: 1fr; }
  .footer-nav { justify-content: flex-start; }
}

@media (max-width: 680px) {
  html { font-size: 14px; }
  .section { padding-block: clamp(var(--sp-8), 5vw, var(--sp-12)); }
  .container { padding-inline: var(--sp-4); }

  /* Nav */
  .nav { display: none; }
  .mobile-menu-toggle { display: flex; }

  /* Hero */
  .hero { padding-block: var(--sp-10) var(--sp-6); }
  .hero-inner { grid-template-columns: 1fr; gap: var(--sp-6); }
  .hero-title { font-size: clamp(1.7rem, 5.5vw, 2.2rem); }
  .section-title { font-size: clamp(1.3rem, 4.5vw, 1.7rem); }
  .program-title { font-size: var(--text-base); }
  .program-desc { font-size: var(--text-sm); }
  .about-lead { font-size: var(--text-sm); }
  .hero-panel { display: flex; flex-direction: column; gap: var(--sp-3); }
  .stat-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-2); }
  .stat-item { padding: var(--sp-3); gap: var(--sp-3); }
  .stat-icon { width: 32px; height: 32px; flex-shrink: 0; }
  .stat-num { font-size: var(--text-base); }
  .stat-label { font-size: 11px; }
  .hero-ctas { flex-direction: column; }
  .hero-ctas .btn { width: 100%; justify-content: center; }
  .hero-kakao { flex-direction: column; }
  .btn-kakao { width: 100%; justify-content: center; }

  /* Trust bar */
  .trust-bar-inner { gap: var(--sp-3); }
  .trust-divider { display: none; }
  .trust-item { font-size: 11px; }

  /* Programs */
  .programs-grid { grid-template-columns: 1fr; }
  .program-card { padding: var(--sp-6); }
  .capability-block { padding: var(--sp-6); }
  .capability-list { grid-template-columns: 1fr; }
  .lecture-chips { grid-template-columns: 1fr 1fr; }
  .lecture-chip { font-size: 13px; }

  /* About */
  .about-inner { grid-template-columns: 1fr; }
  .profile-card { padding: var(--sp-6); text-align: center; }
  .profile-tags { grid-template-columns: 1fr 1fr; }
  .career-item { padding: var(--sp-3) var(--sp-4); }
  .award-grid { grid-template-columns: repeat(3, 1fr); gap: var(--sp-2); }
  .award-item { padding: var(--sp-3); gap: var(--sp-2); }
  .award-text { font-size: 12px; }

  /* Network */
  .network-section { padding-block: var(--sp-8); }
  .network-block { padding: 0; }
  .network-head-row { flex-direction: column; align-items: flex-start; gap: var(--sp-4); }
  .network-left-col { width: 100%; flex: none; }
  .network-title { font-size: 1.25rem; }
  .network-stat-badge {
    flex-direction: row; align-items: center; gap: var(--sp-4);
    padding: var(--sp-4) var(--sp-6); width: 100%; min-width: 0;
    justify-content: center; border-radius: var(--r-xl);
  }
  .network-stat-num { font-size: 2rem; }
  .network-stat-label { margin-top: 0; white-space: nowrap; }
  .network-tags { grid-template-columns: repeat(2, 1fr); }
  .network-tag { font-size: var(--text-sm); padding: var(--sp-4) var(--sp-3); }

  /* Testimonials */
  .testimonials-row--top,
  .testimonials-row--bottom { grid-template-columns: 1fr; }
  .testimonial-card { padding: var(--sp-6); }

  /* References — 모바일: 1열 */
  .ref-grid { grid-template-columns: 1fr; }
  .ref-list--cols { grid-template-columns: 1fr; }

  /* Contact */
  .form-row { grid-template-columns: 1fr; }

  /* Footer */
  .footer-inner { grid-column: 1fr; gap: var(--sp-6); }
  .footer-nav { gap: var(--sp-3); }
}

/* ══ PROFILE PHOTO ══ */
.profile-photo {
  width: 100%; height: 100%;
  object-fit: cover; object-position: center top; display: block;
}