*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --sky:        #B8D9F0;
  --sky-light:  #D6EAF8;
  --sky-pale:   #EAF4FB;
  --sky-white:  #F5FAFD;
  --blue-mid:   #5BA3CC;
  --blue-deep:  #2471A3;
  --blue-dark:  #154360;
  --blue-navy:  #0D2B3E;
  --white:      #FFFFFF;
  --text-dark:  #0D2B3E;
  --text-mid:   #2C6E9B;
  --text-soft:  #5B9EC9;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans KR', sans-serif;
  background: var(--white);
  color: var(--text-dark);
  line-height: 1.7;
  overflow-x: hidden;
}

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 5%; height: 64px;
  background: rgba(245,250,253,0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--sky-light);
}
.nav-logo { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.nav-logo-text { font-size: 1rem; font-weight: 900; color: var(--blue-dark); letter-spacing: -0.01em; line-height: 1.1; }
.nav-logo-sub { font-size: 0.68rem; color: var(--blue-mid); letter-spacing: 0.08em; font-weight: 500; }
.nav-links { display: flex; gap: 0.5rem; list-style: none; }
.nav-links a { font-size: 0.85rem; font-weight: 500; color: var(--text-mid); text-decoration: none; transition: all 0.2s; padding: 0.45rem 1.1rem; border-radius: 2rem; background: transparent; }
.nav-links a:hover { color: var(--blue-dark); background: var(--sky-pale); }
.nav-links a.nav-active { background: var(--sky); color: var(--blue-dark); font-weight: 700; }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; }
.hamburger span { width: 24px; height: 2px; background: var(--blue-dark); border-radius: 2px; }
.mobile-menu {
  display: none; flex-direction: column;
  position: fixed; top: 64px; left: 0; right: 0;
  background: var(--sky-white); border-bottom: 1px solid var(--sky-light);
  padding: 1.5rem 5%; z-index: 99; gap: 1rem;
}
.mobile-menu.open { display: flex; }
.mobile-menu a { font-size: 0.95rem; color: var(--text-mid); text-decoration: none; padding: 0.5rem 0; border-bottom: 1px solid var(--sky-pale); font-weight: 500; }
.mobile-menu a:last-child { border-bottom: none; color: var(--blue-dark); font-weight: 700; }

/* ── HERO ── */
#hero {
  min-height: 100vh; position: relative;
  padding-top: 64px; background: var(--blue-dark); overflow: hidden;
}
.hero-bg-slides { position: absolute; inset: 0; z-index: 0; }
.hero-bg-slide { position: absolute; inset: 0; opacity: 0; transition: opacity 1s ease; }
.hero-bg-slide.active { opacity: 1; }
.hero-bg-slide img { width: 100%; height: 100%; object-fit: cover; display: block; }
.hero-overlay {
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(to right, rgba(13,43,62,0.72) 0%, rgba(13,43,62,0.45) 55%, rgba(13,43,62,0.1) 100%);
}
.hero-left {
  position: relative; z-index: 2;
  display: flex; flex-direction: column; justify-content: center;
  padding: 5% 6% 5% 8%; min-height: calc(100vh - 64px); max-width: 620px;
}
.hero-eyebrow { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--sky); margin-bottom: 1.2rem; }
.hero-title { font-size: clamp(2.4rem, 4.5vw, 3.8rem); font-weight: 900; color: var(--white); line-height: 1.15; letter-spacing: -0.03em; margin-bottom: 0.8rem; }
.hero-title em { font-style: normal; color: var(--sky-light); }
.hero-sub { font-size: 1rem; color: rgba(255,255,255,0.85); margin-bottom: 1rem; font-weight: 400; }
.hero-desc { font-size: 0.88rem; color: rgba(255,255,255,0.7); line-height: 1.85; max-width: 400px; margin-bottom: 2.5rem; }
.hero-btns { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn-primary { background: var(--white); color: var(--blue-dark); padding: 0.9rem 2rem; border-radius: 2.5rem; font-size: 0.9rem; font-weight: 700; text-decoration: none; transition: all 0.2s; }
.btn-primary:hover { background: var(--sky-light); transform: translateY(-2px); }
.btn-outline { border: 1.5px solid rgba(255,255,255,0.7); color: var(--white); padding: 0.9rem 2rem; border-radius: 2.5rem; font-size: 0.9rem; font-weight: 700; text-decoration: none; transition: all 0.2s; }
.btn-outline:hover { background: rgba(255,255,255,0.15); }
.hero-slide-dots {
  position: absolute; bottom: 2rem; right: 3rem; z-index: 10;
  display: flex; gap: 0.5rem;
}
.hero-slide-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: rgba(255,255,255,0.4); cursor: pointer;
  transition: all 0.35s; border: none; padding: 0;
}
.hero-slide-dot.active { background: var(--white); width: 24px; border-radius: 4px; }

/* ── WAVE / SECTION ── */
.wave { width: 100%; overflow: hidden; line-height: 0; display: block; }
.wave svg { display: block; }

section { padding: 6rem 5%; }
.section-label { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--blue-mid); margin-bottom: 0.8rem; }
.section-title { font-size: clamp(1.7rem, 3vw, 2.5rem); font-weight: 900; color: var(--blue-dark); line-height: 1.25; letter-spacing: -0.025em; margin-bottom: 0.8rem; }
.section-desc { font-size: 0.92rem; color: var(--text-soft); max-width: 520px; line-height: 1.85; }

/* ── WHY ── */
#why { background: var(--sky-white); }
.why-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.2rem; margin-top: 3rem; }
.why-card { background: var(--white); border: 1px solid var(--sky-light); border-radius: 1.2rem; padding: 2rem; transition: all 0.25s; position: relative; overflow: hidden; }
.why-card::before { content: ''; position: absolute; inset: 0; background: var(--sky); opacity: 0; transition: opacity 0.3s; border-radius: 1.2rem; }
.why-card:hover::before { opacity: 1; }
.why-card:hover .why-icon, .why-card:hover .why-title, .why-card:hover .why-text { color: var(--blue-dark); position: relative; z-index: 1; }
.why-icon { font-size: 1.8rem; margin-bottom: 1rem; display: block; position: relative; z-index:1; transition:0.3s; }
.why-title { font-size: 0.95rem; font-weight: 700; color: var(--blue-dark); margin-bottom: 0.5rem; position: relative; z-index:1; transition:0.3s; }
.why-text { font-size: 0.85rem; color: var(--text-soft); line-height: 1.75; position: relative; z-index:1; transition:0.3s; }

/* ── COURSES ── */
#courses { background: var(--sky-pale); }
.courses-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.5rem; margin-top: 3rem; }
.course-card { background: var(--white); border-radius: 1.4rem; border: 1px solid var(--sky-light); overflow: hidden; transition: box-shadow 0.25s; }
.course-card:hover { box-shadow: 0 16px 48px rgba(91,163,204,0.18); }
.course-header { padding: 20px; border-bottom: 1px solid var(--sky-pale); }
.course-header.kids   { background: linear-gradient(135deg, #D6EAF8, #EAF4FB); }
.course-header.silver { background: linear-gradient(135deg, #C8E0F2, #D6EAF8); }
.course-header.oneday { background: linear-gradient(135deg, #D4E8F5, #E6F2FA); }
.course-header.team   { background: linear-gradient(135deg, #C4DDEF, #D8EBFA); }
.course-emoji { font-size: 2.4rem; margin-bottom: 0.8rem; display: block; }
.course-char {
  width: 100px; height: 100px;
  object-fit: contain;
  object-position: bottom center;
  margin-bottom: 0.8rem;
  display: block;
}
.course-tag { display: inline-block; font-size: 0.68rem; font-weight: 800; letter-spacing: 0.1em; padding: 0.28rem 0.8rem; border-radius: 2rem; margin-bottom: 0.7rem; }
.kids   .course-tag { background: rgba(91,163,204,.2);  color: var(--blue-deep); }
.silver .course-tag { background: rgba(36,113,163,.15); color: var(--blue-deep); }
.oneday .course-tag { background: rgba(91,163,204,.18); color: var(--blue-mid); }
.team   .course-tag { background: rgba(21,67,96,.12);   color: var(--blue-dark); }
.course-name { font-size: 1.25rem; font-weight: 900; color: var(--blue-dark); line-height: 1.2; margin-bottom: 0.3rem; }
.course-sub  { font-size: 0.82rem; color: var(--text-soft); }
.course-body { padding: 1.5rem 2.2rem 2.2rem; }
.course-list { list-style: none; margin-bottom: 1.2rem; }
.course-list-top { margin-bottom: 0; }
.course-list li { font-size: 0.85rem; color: var(--text-mid); padding: 0.4rem 0; border-bottom: 1px solid var(--sky-pale); display: flex; align-items: center; gap: 0.5rem; }
.course-list li::before { content: '✦'; font-size: 0.6rem; color: var(--sky); flex-shrink: 0; }
.course-info { background: var(--sky-pale); border-radius: 0.6rem; padding: 0.6rem 0.9rem; font-size: 0.8rem; color: var(--blue-mid); margin-bottom: 1rem; }
.course-info strong { color: var(--blue-dark); }
.course-outcomes { font-size: 0.82rem; color: var(--text-soft); line-height: 1.85; }
.course-outcomes strong { display: block; color: var(--blue-deep); margin-bottom: 0.3rem; font-size: 0.8rem; font-weight: 700; }

/* ── OUTREACH ── */
#outreach { background: #CBE3F3; color: var(--text-dark); }
#outreach .section-label { color: var(--blue-mid); }
#outreach .section-title { color: var(--blue-dark); }
#outreach .section-desc { color: var(--text-mid); }
.outreach-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1rem; margin-top: 3rem; }
.outreach-item { background: rgba(255,255,255,0.6); border: 1px solid rgba(184,217,240,0.7); border-radius: 1rem; padding: 1.6rem; text-align: center; transition: all 0.2s; }
.outreach-item:hover { background: rgba(255,255,255,0.9); transform: translateY(-3px); box-shadow: 0 8px 24px rgba(91,163,204,0.15); }
.outreach-item .icon { font-size: 1.8rem; display: block; margin-bottom: 0.6rem; }
.outreach-item h3 { font-size: 0.9rem; font-weight: 700; color: var(--blue-dark); margin-bottom: 0.3rem; }
.outreach-item p  { font-size: 0.78rem; color: var(--text-mid); line-height: 1.5; }

/* ── COURSE RECIPES ── */
.recipe-toggle { cursor: pointer; justify-content: space-between; user-select: none; font-weight: 700; color: var(--blue-dark); }
.recipe-toggle:hover { color: var(--blue-deep); }
.recipe-toggle:hover .recipe-arrow { background: var(--blue-mid); color: var(--white); }
.recipe-arrow { display: inline-flex; align-items: center; justify-content: center; width: 1.5rem; height: 1.5rem; border-radius: 50%; background: var(--blue-deep); color: var(--white); font-size: 0.7rem; font-weight: 900; flex-shrink: 0; transition: transform 0.25s ease, background 0.2s ease; }
.recipe-toggle.open .recipe-arrow { transform: rotate(180deg); }
.course-recipes { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.6rem; max-height: 0; opacity: 0; margin-bottom: 0; overflow: hidden; transition: max-height 0.4s ease, opacity 0.3s ease, margin-bottom 0.3s ease; }
.course-recipes.open { max-height: 60rem; opacity: 1; margin-bottom: 1.2rem; }
.recipe-chip { background: var(--sky-pale); border: 1px solid var(--sky-light); border-radius: 0.7rem; overflow: hidden; font-size: 0.76rem; font-weight: 600; color: var(--blue-dark); text-align: center; }
.recipe-chip img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; display: block; }
.recipe-chip span { display: block; padding: 0.4rem 0.5rem; }

/* ── PARTNERS ── */
#partners { background: var(--sky-pale); }
.partners-wrap { display: flex; flex-wrap: wrap; align-items: center; gap: 0.7rem; margin-top: 2rem; }
.partner-tag { background: var(--white); border: 1px solid var(--sky); border-radius: 2rem; padding: 0.5rem 1.1rem; font-size: 0.95rem; color: var(--blue-dark); font-weight: 800; letter-spacing: -0.01em; }
.partner-logo { display: flex; align-items: center; justify-content: center; background: var(--white); border: 1px solid var(--sky); border-radius: 0.8rem; padding: 0.7rem 1.2rem; height: 3.4rem; }
.partner-logo img { max-height: 100%; max-width: 160px; width: auto; object-fit: contain; }

/* ── VISION ── */
#vision { background: var(--sky-light); text-align: center; padding: 8rem 5%; position: relative; overflow: hidden; }
.vision-fox-bg { position: absolute; width: 420px; top: 50%; left: 50%; transform: translate(-50%, -50%); pointer-events: none; user-select: none; filter: brightness(0) invert(1) opacity(0.4); }
.vision-inner { position: relative; z-index: 1; max-width: 660px; margin: 0 auto; }
.vision-quote { font-size: clamp(1.5rem, 3vw, 2.2rem); font-weight: 900; color: var(--blue-dark); line-height: 1.45; letter-spacing: -0.025em; margin-bottom: 1.2rem; }
.vision-quote strong { color: var(--blue-mid); }
.vision-sub { font-size: 0.95rem; color: var(--text-soft); line-height: 1.9; }

/* ── CONTACT ── */
.contact-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.6rem; margin-bottom: 2.5rem; }
.contact-tag { background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2); border-radius: 2rem; padding: 0.38rem 1rem; font-size: 0.78rem; color: rgba(255,255,255,0.85); }
.btn-white { background: var(--white); color: var(--blue-dark); padding: 1rem 2.5rem; border-radius: 3rem; font-size: 0.95rem; font-weight: 800; text-decoration: none; display: inline-block; transition: all 0.2s; }
.btn-white:hover { transform: translateY(-3px); box-shadow: 0 10px 30px rgba(0,0,0,0.2); }

#contact { background: #BFDBEF; padding: 6rem 5%; color: var(--text-dark); position: relative; overflow: visible; }
.contact-inner { position: relative; z-index: 1; max-width: 680px; margin: 0 auto; }
#contact .section-label { color: var(--blue-mid); }
#contact h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); font-weight: 900; color: var(--blue-dark); margin-bottom: 0.6rem; letter-spacing: -0.025em; }
#contact .contact-lead { color: var(--text-mid); font-size: 0.93rem; line-height: 1.8; margin-bottom: 2.5rem; }
.contact-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1rem; }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-group.full { grid-column: 1 / -1; }
.form-group label { font-size: 0.78rem; font-weight: 700; color: var(--text-mid); letter-spacing: 0.05em; }
.form-group label span { color: var(--blue-deep); margin-left: 2px; }
.form-control {
  background: rgba(255,255,255,0.8);
  border: 1px solid rgba(184,217,240,0.9);
  border-radius: 0.75rem; padding: 0.85rem 1rem;
  font-size: 0.9rem; color: var(--text-dark);
  font-family: 'Noto Sans KR', sans-serif;
  transition: border-color 0.2s, background 0.2s;
  outline: none; width: 100%;
}
.form-control::placeholder { color: rgba(44,110,155,0.4); }
.form-control:focus { border-color: var(--blue-mid); background: rgba(255,255,255,0.98); box-shadow: 0 0 0 3px rgba(91,163,204,0.15); }
textarea.form-control { resize: vertical; min-height: 130px; }
select.form-control option { background: var(--white); color: var(--text-dark); }

/* ── CUSTOM SELECT ── */
.custom-select { position: relative; width: 100%; user-select: none; }
.cs-trigger {
  background: rgba(255,255,255,0.8);
  border: 1px solid rgba(184,217,240,0.9);
  border-radius: 0.75rem;
  padding: 0.85rem 2.8rem 0.85rem 1rem;
  font-size: 0.9rem; color: rgba(44,110,155,0.45);
  font-family: 'Noto Sans KR', sans-serif;
  cursor: pointer; position: relative;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.cs-trigger.selected { color: var(--text-dark); }
.cs-trigger::after {
  content: '';
  position: absolute; right: 1rem; top: 50%;
  width: 7px; height: 7px;
  border-right: 2px solid var(--blue-mid);
  border-bottom: 2px solid var(--blue-mid);
  transform: translateY(-65%) rotate(45deg);
  transition: transform 0.22s;
}
.custom-select.open .cs-trigger {
  border-color: var(--blue-mid);
  background: rgba(255,255,255,0.98);
  box-shadow: 0 0 0 3px rgba(91,163,204,0.15);
}
.custom-select.open .cs-trigger::after { transform: translateY(-35%) rotate(225deg); }
.cs-dropdown {
  display: none; position: absolute;
  top: calc(100% + 6px); left: 0; right: 0;
  background: var(--white);
  border: 1px solid rgba(184,217,240,0.9);
  border-radius: 0.75rem;
  box-shadow: 0 8px 28px rgba(91,163,204,0.18);
  z-index: 200; overflow: hidden;
  animation: csOpen 0.18s ease;
}
@keyframes csOpen { from { opacity:0; transform:translateY(-6px); } to { opacity:1; transform:translateY(0); } }
.custom-select.open .cs-dropdown { display: block; }
.cs-option {
  padding: 0.78rem 1rem;
  font-size: 0.88rem; color: var(--text-mid);
  font-family: 'Noto Sans KR', sans-serif;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  border-bottom: 1px solid var(--sky-pale);
}
.cs-option:last-child { border-bottom: none; }
.cs-option:hover { background: var(--sky-pale); color: var(--blue-dark); }
.cs-option.active { background: var(--sky-light); color: var(--blue-dark); font-weight: 700; }
.cs-option.cs-placeholder { color: rgba(44,110,155,0.4); font-size: 0.85rem; }
.form-submit {
  width: 100%; margin-top: 0.5rem;
  background: var(--blue-deep); color: var(--white);
  padding: 1rem 2rem; border-radius: 3rem;
  font-size: 0.95rem; font-weight: 800;
  border: none; cursor: pointer;
  font-family: 'Noto Sans KR', sans-serif;
  transition: all 0.2s; letter-spacing: 0.01em;
}
.form-submit:hover { background: var(--blue-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(21,67,96,0.2); }
.form-submit:active { transform: translateY(0); }
.form-info-row { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 2rem; }
.form-info-tag { background: rgba(255,255,255,0.55); border: 1px solid rgba(184,217,240,0.8); border-radius: 2rem; padding: 0.35rem 0.9rem; font-size: 0.76rem; color: var(--text-mid); }

/* ── SUCCESS POPUP ── */
.popup-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(13,43,62,0.75); z-index: 999;
  align-items: center; justify-content: center;
  backdrop-filter: blur(4px);
}
.popup-overlay.active { display: flex; }
.popup-box {
  background: var(--white); border-radius: 1.5rem;
  padding: 3rem 2.5rem; text-align: center;
  max-width: 380px; width: 90%;
  animation: popIn 0.3s cubic-bezier(0.34,1.56,0.64,1);
}
@keyframes popIn { from{opacity:0;transform:scale(0.85)} to{opacity:1;transform:scale(1)} }
.popup-icon { font-size: 3.5rem; margin-bottom: 1rem; display: block; }
.popup-title { font-size: 1.3rem; font-weight: 900; color: var(--blue-dark); margin-bottom: 0.5rem; letter-spacing: -0.02em; }
.popup-desc { font-size: 0.88rem; color: var(--text-soft); line-height: 1.75; margin-bottom: 1.8rem; }
.popup-close { background: var(--blue-dark); color: var(--white); border: none; padding: 0.8rem 2rem; border-radius: 2rem; font-size: 0.9rem; font-weight: 700; cursor: pointer; font-family: 'Noto Sans KR', sans-serif; transition: background 0.2s; }
.popup-close:hover { background: var(--blue-navy); }

/* ── FOOTER ── */
footer { background: #B8D2E8; color: var(--text-mid); padding: 3rem 5%; text-align: center; font-size: 0.82rem; line-height: 2; }
footer strong { color: var(--blue-dark); }

/* ── REVEAL ANIMATION ── */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.55s ease, transform 0.55s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ── HERO SLIDER ── */
.hero-right { overflow: hidden; }
.hero-slider-wrap { position: relative; width: 100%; height: 100%; }
.hero-slides { position: relative; width: 100%; height: 100%; min-height: 420px; }
.hero-slide {
  position: absolute; inset: 0;
  opacity: 0; transition: opacity 0.9s ease;
  display: flex; align-items: center; justify-content: center;
}
.hero-slide.active { opacity: 1; z-index: 1; }
.hero-slide img { width: 100%; height: 100%; object-fit: cover; display: block; }
.slide-ph {
  width: 100%; height: 100%; min-height: 420px;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 1rem;
}
.slide-ph-emoji { font-size: 5rem; }
.slide-ph-label { font-size: 1.05rem; font-weight: 700; color: var(--blue-dark); }
.slider-dots {
  position: absolute; bottom: 1.5rem; left: 50%; transform: translateX(-50%);
  display: flex; gap: 0.5rem; z-index: 10;
}
.slider-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: rgba(21,67,96,0.25); cursor: pointer;
  transition: all 0.35s; border: none; padding: 0;
}
.slider-dot.active { background: var(--blue-dark); width: 24px; border-radius: 4px; }

/* ── RESPONSIVE ── */
@media (max-width: 860px) {
  .hero-left { padding: 3rem 5% 5rem; min-height: calc(100vh - 64px); }
  .hero-slide-dots { right: 50%; transform: translateX(50%); }
  .courses-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
}

@media (max-width: 560px) {
  section { padding: 4rem 5%; }
  #vision { padding: 5rem 5%; }
  .why-grid { grid-template-columns: 1fr 1fr; }
  .contact-form-grid { grid-template-columns: 1fr; }
}

@media (max-width: 400px) { .why-grid { grid-template-columns: 1fr; } }

/* ── SNS FLOATING BUTTONS ── */
.sns-float {
  position: fixed;
  bottom: 1.8rem;
  right: 1.5rem;
  z-index: 500;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.55rem;
}

.sns-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  color: white;
  box-shadow: 0 3px 12px rgba(0,0,0,0.2);
  transition: transform 0.18s, box-shadow 0.18s;
  position: relative;
  flex-shrink: 0;
}
.sns-btn:hover { transform: scale(1.14); box-shadow: 0 6px 18px rgba(0,0,0,0.28); }
.sns-btn svg { width: 20px; height: 20px; }

.sns-instagram  { background: linear-gradient(135deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%); }
.sns-kakao      { background: #FEE500; color: #3C1E1E; }
.sns-naver      { background: #03C75A; }
.sns-tiktok     { background: #111; border: 1px solid rgba(255,255,255,0.12); }
.sns-smartstore { background: #1EC800; }

.sns-tooltip {
  position: absolute;
  right: calc(100% + 10px);
  top: 50%;
  transform: translateY(-50%);
  background: rgba(13,43,62,0.88);
  color: white;
  padding: 0.28rem 0.7rem;
  border-radius: 0.4rem;
  font-size: 0.72rem;
  font-weight: 600;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s;
  font-family: 'Noto Sans KR', sans-serif;
}
.sns-btn:hover .sns-tooltip { opacity: 1; }

@media (max-width: 560px) {
  .sns-float { bottom: 1.2rem; right: 1rem; }
  .sns-btn { width: 40px; height: 40px; }
  .sns-btn svg { width: 18px; height: 18px; }
  .sns-tooltip { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .hero-badge { animation: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
}