/* ===== KEVINSAEM DESIGN SYSTEM ===== */

/* --- Color Tokens --- */
:root {
  /* Brand — DaddysLab inspired deep blue */
  --brand: #0062A5;
  --brand-light: #1A7FCC;
  --brand-dark: #003764;
  --brand-bg: rgba(0, 98, 165, 0.08);
  --brand-gradient: linear-gradient(120deg, rgba(0,98,165,1) 0%, rgba(0,55,100,1) 85%);

  /* Youth - Royal Blue */
  --youth: #1E6FD9;
  --youth-light: #3B8AEF;
  --youth-dark: #1858B0;
  --youth-bg: rgba(30, 111, 217, 0.08);
  --youth-glow: rgba(30, 111, 217, 0.2);

  /* Adult - Teal Green */
  --adult: #0A7B6E;
  --adult-light: #0D9488;
  --adult-dark: #076358;
  --adult-bg: rgba(10, 123, 110, 0.08);
  --adult-glow: rgba(10, 123, 110, 0.2);

  /* Corporate - Deep Violet */
  --corp: #6D28D9;
  --corp-light: #7E3AF2;
  --corp-dark: #5B21B6;
  --corp-bg: rgba(109, 40, 217, 0.08);
  --corp-glow: rgba(109, 40, 217, 0.2);

  /* Gold Accent */
  --gold: #C9A84C;
  --gold-light: #D4BA6A;
  --gold-bg: rgba(201, 168, 76, 0.08);

  /* --- Font Size Scale (+2px applied) --- */
  --fs-2xs: 11px;
  --fs-xs: 12px;
  --fs-sm: 13px;
  --fs-base-sm: 14px;
  --fs-base: 15px;
  --fs-base-lg: 16px;
  --fs-body: 17px;
  --fs-body-lg: 18px;
  --fs-accent: 19px;
  --fs-subtitle: 20px;
  --fs-subtitle-lg: 22px;
  --fs-heading-sm: 24px;
  --fs-heading: 26px;
  --fs-heading-lg: 28px;
  --fs-heading-xl: 30px;
  --fs-display-sm: 34px;
  --fs-display: 38px;
  --fs-display-lg: 42px;
  --fs-display-xl: 46px;

  /* --- Responsive Font Size (clamp, +2px applied) --- */
  --fs-clamp-body: clamp(16px, 1.6vw, 19px);
  --fs-clamp-hero: clamp(30px, 4vw, 46px);
  --fs-clamp-hero-sub: clamp(30px, 3.5vw, 46px);
  --fs-clamp-cta: clamp(30px, 4vw, 44px);
  --fs-clamp-display: clamp(34px, 4vw, 50px);
  --fs-clamp-section: clamp(26px, 3vw, 38px);
  --fs-clamp-section-alt: clamp(26px, 3.5vw, 38px);
  --fs-clamp-jumbo: clamp(38px, 5vw, 58px);

  /* Light Theme — Bright & Modern */
  --dark: #ffffff;
  --dark-card: #ffffff;
  --dark-surface: #F5F7FA;
  --dark-border: #E2E8F0;
  --white: #ffffff;
  --bg: #F5F7FA;
  --ink: #1a1a2e;
  --ink2: #334155;
  --ink3: #64748B;
  --ink4: #94A3B8;
  --line: #E2E8F0;
}

/* --- Reset & Base --- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Pretendard', -apple-system, sans-serif;
  background: var(--white);
  color: var(--ink);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}
.serif { font-family: 'Pretendard', -apple-system, sans-serif; font-weight: 700; }

/* --- Typography --- */
.sec-tag {
  font-size: var(--fs-sm);
  letter-spacing: 3px;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 12px;
}
.sec-h {
  font-family: 'Pretendard', -apple-system, sans-serif;
  font-size: var(--fs-clamp-hero);
  font-weight: 600;
  color: var(--ink);
  line-height: 1.25;
  margin-bottom: 12px;
}
.sec-p {
  font-size: var(--fs-body);
  color: var(--ink3);
  max-width: 520px;
  line-height: 1.8;
  margin-bottom: 40px;
}
.center { text-align: center; }
.center .sec-p { margin-left: auto; margin-right: auto; }

/* --- Layout --- */
.sec { padding: 100px 40px; }
.sec-inner { max-width: 1100px; margin: 0 auto; }

/* ===== NAV ===== */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 20px 40px;
  display: flex; align-items: center; justify-content: space-between;
  transition: all 0.4s;
}
nav.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  padding: 14px 40px;
  border-bottom: 1px solid var(--line);
}
nav .logo {
  font-family: 'Pretendard', sans-serif;
  font-size: var(--fs-heading-sm); font-weight: 700;
  color: var(--white);
  text-decoration: none; letter-spacing: 1px;
  transition: color 0.4s;
}
nav.scrolled .logo { color: var(--ink); }
nav .nlinks { display: flex; gap: 28px; align-items: center; }
nav .nlinks a {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none; font-size: var(--fs-base); font-weight: 500;
  letter-spacing: 0.3px; transition: all 0.3s;
}
nav.scrolled .nlinks a { color: var(--ink3); }
nav .nlinks a:hover { color: var(--white); }
nav.scrolled .nlinks a:hover { color: var(--brand); }
nav .cta-nav {
  background: linear-gradient(120deg, rgba(0,98,165,1) 0%, rgba(0,55,100,1) 85%);
  color: var(--white) !important;
  padding: 8px 20px; border-radius: 1000px;
  font-weight: 700; font-size: var(--fs-base-sm); letter-spacing: 0.5px;
  transition: all 0.3s; box-shadow: 0 4px 12px rgba(0, 55, 100, 0.4);
}
nav.scrolled .cta-nav {
  background: linear-gradient(120deg, rgba(0,98,165,1) 0%, rgba(0,55,100,1) 85%);
  color: var(--white) !important;
}
nav .mob-btn { display: none; background: none; border: none; cursor: pointer; }
nav .mob-btn svg { stroke: white; transition: stroke 0.4s; }
nav.scrolled .mob-btn svg { stroke: var(--ink); }

/* ===== HERO ===== */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center;
  overflow: hidden; background: var(--white);
  padding: 88px 40px 48px;
}
.hero-split {
  max-width: 1200px; margin: 0 auto; width: 100%;
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
}
.hero-text { position: relative; z-index: 2; }
.hero-images {
  position: relative;
  height: 480px;
}
.hero-slide {
  display: grid; grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr; gap: 12px;
  position: absolute; inset: 0;
  opacity: 0; transition: opacity 1.2s ease-in-out;
  pointer-events: none;
}
.hero-slide.active {
  opacity: 1;
  pointer-events: auto;
}
.hero-slide img {
  width: 100%; height: 100%; border-radius: 14px; object-fit: cover;
  object-position: center top;
  box-shadow: 0 8px 32px rgba(0,0,0,0.08);
}
/* 첫 번째 사진: 왼쪽 전체 높이 */
.hero-slide img:nth-child(1) { grid-row: span 2; }
/* 두 번째, 세 번째: 오른쪽 위아래 */
.hero-slide img:nth-child(2) { }
.hero-slide img:nth-child(3) { }

/* Legacy hero elements (hidden in new layout) */
.hero-video { display: none; }
.hero-overlay { display: none; }
.hero-content { display: none; }

.hero-text .tag-line {
  font-size: var(--fs-base-sm); letter-spacing: 4px; text-transform: uppercase;
  color: var(--brand); margin-bottom: 20px; font-weight: 600;
}
.hero-text h1 {
  font-family: 'Pretendard', sans-serif;
  font-size: var(--fs-clamp-display);
  font-weight: 700; line-height: 1.3;
  margin-bottom: 20px; letter-spacing: -0.5px;
  word-break: keep-all; color: var(--ink);
}
.hero-text .sub {
  font-size: var(--fs-body-lg); color: var(--ink3);
  line-height: 1.8; margin-bottom: 36px; font-weight: 400;
}
.hero-text .sub strong { color: var(--ink); font-weight: 600; }
.hero-text .hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-text .hero-ctas .btn-brand {
  background: var(--brand-gradient); color: white;
  padding: 15px 32px; border-radius: 8px; font-size: var(--fs-base-lg); font-weight: 600;
  box-shadow: 0 4px 16px rgba(0, 55, 100, 0.3);
}
.hero-text .hero-ctas .btn-outline {
  background: transparent; color: var(--ink2);
  border: 1px solid var(--line); padding: 15px 32px;
  border-radius: 8px; font-size: var(--fs-base-lg); font-weight: 600;
  text-decoration: none; display: inline-flex; align-items: center;
  transition: all 0.3s;
}
.hero-text .hero-ctas .btn-outline:hover {
  border-color: var(--brand); color: var(--brand);
}
.hero-trust {
  margin-top: 48px; display: flex; gap: 32px; flex-wrap: wrap;
}
.hero-trust-item {
  display: flex; align-items: center; gap: 8px;
}
.hero-trust-num {
  font-size: var(--fs-heading-sm); font-weight: 700; color: var(--brand); line-height: 1;
}
.hero-trust-lbl {
  font-size: var(--fs-base-sm); color: var(--ink4); line-height: 1.3;
}

.hero .scroll-cue {
  position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%);
  z-index: 2; color: var(--ink4);
  font-size: var(--fs-xs); letter-spacing: 3px; text-transform: uppercase;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  animation: pulse-down 2s ease-in-out infinite;
}
.hero .scroll-cue .line { width: 1px; height: 24px; background: var(--line); }
@keyframes pulse-down {
  0%, 100% { opacity: 0.4; transform: translateX(-50%) translateY(0); }
  50% { opacity: 0.8; transform: translateX(-50%) translateY(6px); }
}

/* Dark hero for subpages */
.hero-dark {
  background: #111; padding: 0;
}
.hero-dark .hero-video,
.hero-dark .hero-overlay,
.hero-dark .hero-content { display: flex; }
.hero-dark .hero-video {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; opacity: 0.5;
}
.hero-dark .hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0.5) 100%);
}
.hero-dark .hero-content {
  position: relative; z-index: 2;
  text-align: center; color: white;
  padding: 0 24px; max-width: 800px;
  flex-direction: column; align-items: center; justify-content: center;
}
.hero-dark .hero-content .tag-line {
  font-size: var(--fs-base-sm); letter-spacing: 4px; text-transform: uppercase;
  color: rgba(255,255,255,0.6); margin-bottom: 24px; font-weight: 500;
}
.hero-dark .hero-content h1 {
  font-family: 'Pretendard', sans-serif;
  font-size: var(--fs-clamp-hero-sub);
  font-weight: 600; line-height: 1.25;
  margin-bottom: 16px; letter-spacing: -0.5px; word-break: keep-all;
}
.hero-dark .hero-content .sub {
  font-size: var(--fs-clamp-body);
  color: rgba(255,255,255,0.65); line-height: 1.7;
  margin-bottom: 36px; font-weight: 300;
}
.hero-dark .hero-content .sub strong { color: rgba(255,255,255,0.95); font-weight: 500; }
.hero-dark .hero-ctas { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.hero-dark .scroll-cue { color: rgba(255,255,255,0.4); }
.hero-dark .scroll-cue .line { background: rgba(255,255,255,0.3); }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 13px 28px; border-radius: 6px;
  font-size: var(--fs-base); font-weight: 600;
  text-decoration: none; border: none; cursor: pointer;
  transition: all 0.3s; letter-spacing: 0.3px;
}
.btn-w { background: var(--white); color: #111; }
.btn-w:hover { background: rgba(255,255,255,0.9); transform: translateY(-2px); }
.btn-t { background: transparent; color: var(--white); border: 1px solid rgba(255,255,255,0.2); border-radius: 1000px; }
.btn-t:hover { border-color: rgba(255,255,255,0.5); background: rgba(255,255,255,0.05); }
.btn-brand { background: linear-gradient(120deg, rgba(0,98,165,1) 0%, rgba(0,55,100,1) 85%); color: var(--white); box-shadow: 0 4px 16px rgba(0, 55, 100, 0.4); }
.btn-brand:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0, 55, 100, 0.5); }
.btn-youth { background: var(--youth); color: var(--white); }
.btn-youth:hover { background: var(--youth-light); transform: translateY(-2px); }
.btn-adult { background: var(--adult); color: var(--white); }
.btn-adult:hover { background: var(--adult-light); transform: translateY(-2px); }
.btn-corp { background: var(--corp); color: var(--white); }
.btn-corp:hover { background: var(--corp-light); transform: translateY(-2px); }

/* ===== STATS BAR ===== */
.stats { padding: 48px 40px; border-bottom: 1px solid var(--line); background: var(--white); }
.stats .inner {
  max-width: 1100px; margin: 0 auto;
  display: flex; justify-content: space-between;
  text-align: center; flex-wrap: wrap; gap: 20px;
}
.stat .num {
  font-family: 'Cormorant Garamond', serif;
  font-size: var(--fs-clamp-display);
  font-weight: 600; color: var(--brand); line-height: 1;
}
.stat .lbl {
  font-size: var(--fs-base-sm); color: var(--ink3);
  margin-top: 4px; font-weight: 400; letter-spacing: 0.3px;
}

/* ===== CATEGORY HUB — 3 big cards ===== */
.cat-hub { background: var(--dark-surface); }
.cat-row {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 20px; margin-top: 40px;
}
.cat-card {
  position: relative; height: 480px;
  border-radius: 12px; overflow: hidden;
  cursor: pointer; background: var(--ink);
  transition: all 0.4s; text-decoration: none;
}
.cat-card .cat-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  opacity: 0.55; transition: all 0.6s;
}
.cat-card:hover .cat-bg { opacity: 0.35; transform: scale(1.05); }
.cat-card .cat-content {
  position: relative; z-index: 2;
  height: 100%; display: flex; flex-direction: column;
  justify-content: flex-end; padding: 36px;
  color: var(--white);
}
.cat-card .cat-badge {
  display: inline-block; padding: 4px 12px;
  border-radius: 20px; font-size: var(--fs-sm);
  font-weight: 600; letter-spacing: 0.5px;
  margin-bottom: 12px; width: fit-content;
}
.cat-card.youth .cat-badge { background: var(--youth); }
.cat-card.adult .cat-badge { background: var(--adult); }
.cat-card.corp .cat-badge { background: var(--corp); }
.cat-card h3 {
  font-family: 'Pretendard', -apple-system, sans-serif;
  font-size: var(--fs-heading); font-weight: 700;
  margin-bottom: 8px; line-height: 1.3;
  transition: transform 0.3s;
}
.cat-card:hover h3 { transform: translateY(-4px); }
.cat-card .cat-desc {
  font-size: var(--fs-base-lg); color: rgba(255,255,255,0.65);
  line-height: 1.7; margin-bottom: 20px;
}
.cat-card .cat-arrow {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: var(--fs-base); font-weight: 600;
  color: rgba(255,255,255,0.8);
  transition: all 0.3s;
}
.cat-card:hover .cat-arrow { transform: translateX(4px); }

/* ===== PHILOSOPHY ===== */
.philo-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.phi {
  padding: 36px 28px; border: 1px solid var(--line);
  border-radius: 14px; transition: all 0.3s;
  background: var(--white);
}
.phi:hover { border-color: var(--brand); box-shadow: 0 8px 32px rgba(0,98,165,0.08); }
.phi .phi-n {
  font-family: 'Cormorant Garamond', serif;
  font-size: var(--fs-display-lg); font-weight: 600;
  color: var(--brand); opacity: 0.3;
  margin-bottom: 8px; line-height: 1;
}
.phi h3 { font-size: var(--fs-body-lg); font-weight: 700; color: var(--ink); margin-bottom: 8px; }
.phi p { font-size: var(--fs-base); color: var(--ink3); line-height: 1.7; }

/* ===== REVIEWS ===== */
.rev-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 16px; margin-top: 32px;
}
.rev {
  padding: 28px; border: 1px solid var(--line);
  border-radius: 14px; transition: all 0.3s;
  background: var(--white);
}
.rev:hover { border-color: var(--brand); box-shadow: 0 8px 32px rgba(0,98,165,0.08); }
.rev .stars { color: var(--brand); font-size: var(--fs-sm); letter-spacing: 2px; margin-bottom: 8px; }
.rev .qt {
  font-family: 'Cormorant Garamond', serif;
  font-size: var(--fs-accent); font-weight: 500;
  color: var(--ink); line-height: 1.6;
  margin-bottom: 14px; font-style: italic;
}
.rev .who { font-size: var(--fs-base-sm); color: var(--ink3); }
.rev .who strong { color: var(--ink); font-weight: 600; }

/* category-colored review border on hover */
.rev.youth:hover { border-color: var(--youth); }
.rev.adult:hover { border-color: var(--adult); }
.rev.corp:hover { border-color: var(--corp); }

/* ===== VIDEO BOX ===== */
.vid-box { border: 1px solid var(--line); border-radius: 14px; overflow: hidden; background: var(--white); }
.vid-box .vw { position: relative; padding-bottom: 56.25%; height: 0; }
.vid-box .vw iframe {
  position: absolute; top: 0; left: 0;
  width: 100%; height: 100%; border: none;
}
.vid-box .vc {
  padding: 12px 20px; font-size: var(--fs-base-sm);
  color: var(--ink3); border-top: 1px solid var(--line);
}

/* ===== AUTHORS — book shelf ===== */
.book-row { display: flex; justify-content: center; gap: 20px; flex-wrap: wrap; margin: 36px 0 20px; }
.bk { width: 100px; text-align: center; transition: transform 0.3s; }
.bk:hover { transform: translateY(-8px) rotate(-1.5deg); }
.bk-c {
  width: 84px; height: 118px;
  border-radius: 2px 8px 8px 2px;
  margin: 0 auto 6px;
  display: flex; align-items: center; justify-content: center;
  font-size: var(--fs-xs); font-weight: 600;
  color: var(--white); padding: 8px;
  text-align: center; line-height: 1.3;
  position: relative; background: var(--brand);
  box-shadow: 3px 3px 12px rgba(0,0,0,0.12);
}
.bk-c::before {
  content: ''; position: absolute;
  left: 0; top: 0; bottom: 0; width: 3px;
  background: rgba(0,0,0,0.12); border-radius: 2px 0 0 2px;
}
.bk-c.c2 { background: #2a6b82; }
.bk-c.c3 { background: #1a3f4e; }
.bk-c.c4 { background: #3a8090; }
.bk-c.c5 { background: #0f3040; }
.bk-c.c6 { background: #4a9aaa; }
.bk-a { font-size: var(--fs-xs); color: var(--ink4); }

/* ===== CAMPUS ===== */
.camp-row { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.camp {
  border: 1px solid var(--line); border-radius: 14px;
  padding: 20px 14px; text-align: center;
  background: var(--white); transition: all 0.3s;
}
.camp:hover { border-color: var(--brand); box-shadow: 0 4px 16px rgba(0,98,165,0.08); }
.camp .cs { font-size: var(--fs-xs); font-weight: 700; letter-spacing: 1px; margin-bottom: 6px; }
.camp.on .cs { color: var(--brand); }
.camp.soon .cs { color: var(--ink4); }
.camp h4 { font-size: var(--fs-base-lg); font-weight: 700; color: var(--ink); margin-bottom: 3px; }
.camp p { font-size: var(--fs-sm); color: var(--ink3); line-height: 1.4; }

/* ===== FINAL CTA ===== */
.cta-end {
  position: relative; padding: 100px 40px;
  text-align: center; color: var(--white);
  background: var(--dark-surface); overflow: hidden;
}
.cta-end::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(0,98,165,0.15), rgba(0,0,0,0.4));
  z-index: 1;
}
.cta-end .inner { position: relative; z-index: 2; max-width: 600px; margin: 0 auto; }
.cta-end h2 {
  font-family: 'Pretendard', sans-serif;
  font-size: var(--fs-clamp-cta);
  font-weight: 600; margin-bottom: 12px;
}
.cta-end .cd { font-size: var(--fs-base-lg); color: rgba(255,255,255,0.55); margin-bottom: 32px; }
.cta-end .cbs { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-bottom: 24px; }
.cta-end .info { font-size: var(--fs-base-sm); color: rgba(255,255,255,0.35); }
.cta-end .info a { color: rgba(255,255,255,0.55); text-decoration: none; }

/* ===== FOOTER ===== */
footer { background: #1a1a2e; color: rgba(255,255,255,0.35); padding: 40px; }
footer .f {
  max-width: 1100px; margin: 0 auto;
  display: flex; justify-content: space-between;
  flex-wrap: wrap; gap: 28px;
}
footer .fb { max-width: 260px; }
footer .fb .ft {
  font-family: 'Cormorant Garamond', serif;
  font-size: var(--fs-subtitle); font-weight: 600;
  color: var(--white); margin-bottom: 8px;
}
footer .fb p { font-size: var(--fs-sm); line-height: 1.8; }
footer .fl h5 {
  font-size: var(--fs-sm); font-weight: 600;
  color: rgba(255,255,255,0.5);
  margin-bottom: 8px; letter-spacing: 1px;
}
footer .fl a {
  display: block; font-size: var(--fs-sm);
  color: rgba(255,255,255,0.3);
  text-decoration: none; margin-bottom: 4px;
}
footer .fl a:hover { color: var(--brand-light); }
footer .bottom {
  width: 100%; border-top: 1px solid rgba(255,255,255,0.05);
  margin-top: 20px; padding-top: 14px; font-size: var(--fs-xs);
  display: flex; justify-content: space-between; flex-wrap: wrap;
}
footer .bottom a { color: rgba(255,255,255,0.25); text-decoration: none; }

/* ===== KAKAO FLOAT ===== */
.kk {
  position: fixed; bottom: 80px; right: 20px; z-index: 99;
  width: 50px; height: 50px;
  background: #FEE500; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
  text-decoration: none; transition: transform 0.2s;
  color: #3C1E1E; font-size: var(--fs-subtitle-lg);
}
.kk:hover { transform: scale(1.08); }

/* ===== CATEGORY PAGE COMPONENTS ===== */

/* Hero — short variant for subpages */
.hero-short { height: 70vh; min-height: auto; }
.hero-dark.hero-short { padding: 0; }

/* Step timeline */
.step-row {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 0; position: relative; margin-top: 20px;
}
.step-row .step-line {
  position: absolute; top: 40px; left: 12.5%; right: 12.5%;
  height: 2px; opacity: 0.2;
}
.step-row .step-line.youth { background: var(--youth); }
.step-row .step-line.corp { background: var(--corp); }
.step {
  text-align: center; padding: 0 16px; position: relative;
}
.step .step-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: var(--fs-base); font-weight: 600; letter-spacing: 2px;
}
.step .step-dot {
  width: 12px; height: 12px; border-radius: 50%;
  margin: 20px auto; position: relative; z-index: 1;
}
.step h3 { font-size: var(--fs-body); font-weight: 700; margin-bottom: 6px; }
.step p { font-size: var(--fs-base-sm); color: var(--ink3); line-height: 1.6; }

/* Circle number step (corporate process) */
.circle-step { text-align: center; padding: 24px 16px; }
.circle-num {
  width: 48px; height: 48px; border-radius: 50%;
  margin: 0 auto 16px;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Cormorant Garamond', serif;
  font-size: var(--fs-subtitle-lg); font-weight: 700;
}
.circle-num.corp { background: var(--corp-bg); border: 2px solid var(--corp); color: var(--corp); }
.circle-step h4 { font-size: var(--fs-base-lg); font-weight: 700; margin-bottom: 6px; }
.circle-step p { font-size: var(--fs-base-sm); color: var(--ink3); line-height: 1.6; }

/* Tool tags */
.tool-flow { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 28px; }
.tl {
  padding: 8px 18px; border: 1px solid var(--line);
  border-radius: 20px; font-size: var(--fs-base-sm); font-weight: 500;
  color: var(--ink2); background: var(--white);
  transition: all 0.2s; cursor: default;
}
.tl:hover { border-color: var(--brand); color: var(--brand); background: rgba(0,98,165,0.05); }

/* Feature item with left border */
.feat-item {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 14px 16px; border-radius: 8px;
  transition: all 0.2s;
}
.feat-item:hover { transform: translateX(3px); }
.feat-item.youth { background: var(--youth-bg); border-left: 3px solid var(--youth); }
.feat-item.adult { background: var(--adult-bg); border-left: 3px solid var(--adult); }
.feat-item.corp { background: var(--corp-bg); border-left: 3px solid var(--corp); }
.feat-item .feat-title { font-size: var(--fs-base); font-weight: 700; color: var(--ink); margin-bottom: 2px; }
.feat-item .feat-desc { font-size: var(--fs-base-sm); color: var(--ink3); }

/* Split layout (text + image) */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.split-img {
  border-radius: 12px; height: 400px;
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.3); font-size: var(--fs-base);
}

/* Fee card */
.fee-card {
  background: var(--white); border: 1px solid var(--line);
  border-radius: 14px; padding: 24px 18px;
  text-align: center; transition: all 0.3s;
}
.fee-card:hover { border-color: var(--ink4); }
.fee-card.popular { position: relative; box-shadow: 0 4px 20px; }
.fee-card.popular.youth { border: 2px solid var(--youth); box-shadow: 0 4px 20px var(--youth-glow); }
.fee-card.popular.adult { border: 2px solid var(--adult); box-shadow: 0 4px 20px var(--adult-glow); }
.fee-card.popular.corp { border: 2px solid var(--corp); box-shadow: 0 4px 20px var(--corp-glow); }
.fee-card .fee-badge {
  position: absolute; top: -8px; right: 14px;
  color: white; font-size: var(--fs-2xs); font-weight: 700;
  padding: 2px 8px; border-radius: 4px;
}
.fee-card .fee-badge.youth { background: var(--youth); }
.fee-card .fee-badge.adult { background: var(--adult); }
.fee-card .fee-badge.corp { background: var(--corp); }
.fee-card .fee-type {
  font-size: var(--fs-xs); font-weight: 600;
  letter-spacing: 1px; margin-bottom: 4px;
}
.fee-card h4 { font-size: var(--fs-base-lg); font-weight: 700; margin-bottom: 6px; }
.fee-card .price {
  font-family: 'Cormorant Garamond', serif;
  font-size: var(--fs-heading-lg); font-weight: 600; margin-bottom: 10px;
}
.fee-card .price small { font-size: var(--fs-base-lg); }
.fee-card ul {
  list-style: none; text-align: left;
  font-size: var(--fs-sm); color: var(--ink3); line-height: 1.8;
}

/* Program card (corporate) */
.prog-card {
  padding: 32px 24px; border: 1px solid var(--line);
  border-radius: 10px; background: var(--white); text-align: left;
}
.prog-card.popular { position: relative; }
.prog-card.popular.corp { border: 2px solid var(--corp); box-shadow: 0 4px 20px var(--corp-glow); }
.prog-card .prog-type {
  font-size: var(--fs-sm); font-weight: 700;
  letter-spacing: 1px; margin-bottom: 12px;
}
.prog-card h3 { font-size: var(--fs-subtitle); font-weight: 700; margin-bottom: 8px; }
.prog-card p { font-size: var(--fs-base); color: var(--ink3); line-height: 1.7; margin-bottom: 16px; }
.prog-card ul {
  list-style: none; font-size: var(--fs-base-sm);
  color: var(--ink3); line-height: 2;
}

/* Nav active state */
nav .nlinks a.active { color: var(--white); font-weight: 700; }
nav.scrolled .nlinks a.active { color: var(--brand); font-weight: 700; }

/* Feature card with top border */
.phi.border-top-youth { border-top: 3px solid var(--youth); border-left: none; }
.phi.border-top-adult { border-top: 3px solid var(--adult); border-left: none; }
.phi.border-top-corp { border-top: 3px solid var(--corp); border-left: none; }
.phi.border-left-youth { border-left: 3px solid var(--youth); }
.phi.border-left-adult { border-left: 3px solid var(--adult); }
.phi.border-left-corp { border-left: 3px solid var(--corp); }

/* Grid helpers */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.mt-36 { margin-top: 36px; }
.mt-28 { margin-top: 28px; }
.mt-32 { margin-top: 32px; }

/* ===== STEP SPLIT (curriculum image+text) ===== */
.step-split {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 40px; align-items: center;
}
.step-split.reverse > :first-child { order: 2; }
.step-split.reverse > :last-child { order: 1; }

/* ===== REVEAL ANIMATION ===== */
.rv { opacity: 0; transform: translateY(20px); transition: all 0.6s ease-out; }
.rv.vis { opacity: 1; transform: translateY(0); }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  nav .nlinks { display: none; }
  nav .mob-btn { display: block; }
  nav { padding: 16px 20px; }
  nav.scrolled { padding: 12px 20px; }
  .hero { padding: 100px 20px 40px; min-height: auto; }
  .hero-split { grid-template-columns: 1fr; gap: 40px; }
  .hero-images { display: block; height: auto; margin-top: 32px; }
  .hero-slide { display: none; }
  .hero-slide.active { display: block; position: relative; }
  .hero-slide.active img:first-child { display: block; width: 100%; height: auto; border-radius: 14px; aspect-ratio: 16/9; object-fit: cover; }
  .hero-slide.active img:nth-child(2),
  .hero-slide.active img:nth-child(3) { display: none; }
  .hero-text { text-align: center; }
  .hero-text .hero-ctas { justify-content: center; }
  .hero-trust { justify-content: center; }
  .sec { padding: 60px 20px; }
  .cat-row { grid-template-columns: 1fr; }
  .cat-card { height: 360px; }
  .philo-grid, .grid-3 { grid-template-columns: 1fr 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .rev-grid { grid-template-columns: 1fr; }
  .camp-row { grid-template-columns: repeat(3, 1fr); }
  .split { grid-template-columns: 1fr; }
  .split-img { height: 280px; }
  .step-split { grid-template-columns: 1fr; gap: 24px; }
  .step-split.reverse > :first-child { order: 1; }
  .step-split.reverse > :last-child { order: 2; }
  .step-row { grid-template-columns: 1fr 1fr; gap: 24px; }
  .step-row .step-line { display: none; }
}
@media (max-width: 600px) {
  .hero-ctas { flex-direction: column; align-items: center; }
  .hero-ctas .btn { width: 240px; justify-content: center; }
  .stats .inner { justify-content: center; }
  .philo-grid, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .cat-row { gap: 16px; }
  .cat-card { height: 300px; }
  .camp-row { grid-template-columns: 1fr 1fr; }
  .step-row { grid-template-columns: 1fr; }
  .book-row { gap: 10px; }
  .bk { width: 80px; }
  .bk-c { width: 68px; height: 96px; font-size: var(--fs-2xs); }
  footer .f { flex-direction: column; }
  /* 플로팅 CTA 바 — 모바일에서 텍스트 숨기고 버튼만 가운데 정렬 */
  .float-cta-label { display: none; }
  #float-cta > div { justify-content: center; }
  /* cta-end 패딩 모바일 축소 */
  .cta-end { padding: 60px 20px; }
  /* 큰 gap 모바일 축소 */
  .hero-trust { gap: 16px; }
  .sec { padding: 48px 16px; }
}