/* ═══════════════════════════════════════════════════
   OSSOM CLINIC · SUBPAGE SHARED STYLES
   ═══════════════════════════════════════════════════ */

:root {
  --emerald-900: #0a3d28;
  --emerald-800: #0e5236;
  --emerald-700: #156944;
  --emerald-600: #1c8456;
  --emerald-500: #2ea372;
  --emerald-100: #e6f3ec;
  --emerald-50:  #f3faf6;

  --gold-700:    #9a7e2c;
  --gold-600:    #b8973a;
  --gold-500:    #c9a84c;
  --gold-400:    #d4b97a;
  --gold-200:    #ecdda9;
  --gold-50:     #faf6ec;

  --ivory:       #faf8f3;
  --cream:       #f5f1e8;
  --paper:       #fcfbf7;
  --bone:        #ebe6d8;
  --line:        #e8e2d1;
  --line-soft:   #f0ece0;

  --dark-900:    #1c1c1c;
  --dark-800:    #262626;
  --dark-700:    #2e2e2e;
  --dark-600:    #3a3a3a;

  --ink:         #15211b;
  --ink-soft:    #3a4842;
  --ink-mid:     #5a6660;
  --ink-light:   #8a9590;
  --ink-faint:   #b8c0bb;

  --shadow-sm: 0 2px 8px rgba(15,33,27,0.06);
  --shadow-md: 0 12px 32px rgba(15,33,27,0.08);
  --shadow-lg: 0 28px 64px rgba(15,33,27,0.12);
  --shadow-xl: 0 40px 90px rgba(15,33,27,0.16);

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body {
  font-family: 'Noto Sans KR', 'Malgun Gothic', sans-serif;
  font-weight: 400;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { display: block; max-width: 100%; height: auto; }
button { border: none; background: none; cursor: pointer; font: inherit; color: inherit; }

/* ═══ TOP BAR ═══ */
.top-bar {
  background: var(--emerald-900);
  color: rgba(255,255,255,0.85);
  font-size: 12.5px;
  letter-spacing: 0.3px;
}
.top-bar-inner {
  max-width: 1320px; margin: 0 auto;
  padding: 11px 40px;
  display: flex; justify-content: space-between; align-items: center;
}
.top-left { display: flex; gap: 28px; align-items: center; }
.top-left span { display: flex; align-items: center; gap: 7px; }
.top-left svg { width: 13px; height: 13px; opacity: 0.7; }
.top-right { display: flex; gap: 22px; align-items: center; }
.top-right a {
  display: inline-flex; align-items: center; gap: 7px;
  transition: color 0.25s var(--ease);
}
.top-right a:hover { color: var(--gold-400); }
.top-right svg { width: 13px; height: 13px; }
.divider-v { width: 1px; height: 12px; background: rgba(255,255,255,0.18); }

/* ═══ HEADER ═══ */
.header {
  background: #fff;
  border-bottom: 1px solid var(--line-soft);
}
.header-inner {
  max-width: 1320px; margin: 0 auto;
  padding: 26px 40px;
  display: grid; grid-template-columns: 1fr auto 1fr;
  align-items: center;
}
.header-left {
  font-family: 'Playfair Display', serif;
  font-size: 11px; letter-spacing: 5px;
  color: var(--ink-light); text-transform: uppercase;
  font-style: italic;
}
.header-center { text-align: center; }
.header-center img { max-height: 62px; margin: 0 auto; }
.header-right {
  display: flex; justify-content: flex-end; align-items: center; gap: 14px;
}
.header-cta {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 22px;
  background: var(--emerald-800); color: #fff;
  font-size: 12.5px; font-weight: 600; letter-spacing: 0.3px;
  border-radius: 100px;
  transition: all 0.3s var(--ease);
}
.header-cta:hover {
  background: var(--gold-500);
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(201,168,76,0.3);
}
.header-cta svg { width: 13px; height: 13px; }

/* ═══ HAMBURGER / MOBILE NAV ═══ */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px; height: 40px;
  cursor: pointer;
  background: none; border: none;
  flex-shrink: 0;
  padding: 8px;
}
.menu-toggle span {
  display: block;
  width: 20px; height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: all 0.3s var(--ease);
  transform-origin: center;
}
.menu-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.menu-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-backdrop {
  display: none;
  position: fixed; inset: 0;
  background: rgba(15,33,27,0.45);
  z-index: 580;
  opacity: 0;
  transition: opacity 0.3s var(--ease);
}
.nav-backdrop.active { opacity: 1; }

/* ═══ NAVIGATION ═══ */
.nav-wrapper {
  background: #fff;
  border-bottom: 1px solid var(--line-soft);
  position: sticky; top: 0; z-index: 500;
  transition: box-shadow 0.3s var(--ease);
}
.nav-wrapper.scrolled { box-shadow: 0 8px 32px rgba(15,33,27,0.08); }
.nav {
  max-width: 1320px; margin: 0 auto;
  display: flex; justify-content: center; align-items: stretch;
  padding: 0 40px;
}
.nav > li { position: relative; }
.nav > li > a {
  display: flex; align-items: center;
  padding: 22px 28px;
  font-size: 14px; font-weight: 600; color: var(--ink);
  letter-spacing: -0.1px;
  position: relative;
  transition: color 0.3s var(--ease);
}
.nav > li > a::before {
  content: ''; position: absolute;
  bottom: 0; left: 50%; right: 50%; height: 2px;
  background: var(--gold-500);
  transition: left 0.4s var(--ease), right 0.4s var(--ease);
}
.nav > li:hover > a { color: var(--emerald-700); }
.nav > li:hover > a::before { left: 28px; right: 28px; }
.nav > li.active > a { color: var(--emerald-700); }
.nav > li.active > a::before { left: 28px; right: 28px; }

.dropdown {
  position: absolute; top: 100%; left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 200px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-lg);
  opacity: 0; visibility: hidden;
  transition: all 0.3s var(--ease);
  z-index: 600;
  padding: 12px 0;
}
.nav > li:hover .dropdown {
  opacity: 1; visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.dropdown::before {
  content: ''; position: absolute;
  top: -5px; left: 50%; transform: translateX(-50%) rotate(45deg);
  width: 10px; height: 10px;
  background: #fff;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.dropdown li a {
  display: block;
  padding: 12px 24px;
  font-size: 13.5px; font-weight: 400; color: var(--ink-mid);
  transition: all 0.25s var(--ease);
  position: relative;
}
.dropdown li a::before {
  content: ''; position: absolute;
  left: 14px; top: 50%; transform: translateY(-50%);
  width: 4px; height: 4px; border-radius: 50%;
  background: var(--gold-500);
  opacity: 0;
  transition: opacity 0.25s var(--ease);
}
.dropdown li a:hover {
  background: var(--ivory);
  color: var(--emerald-700);
  padding-left: 32px;
  font-weight: 500;
}
.dropdown li a:hover::before { opacity: 1; }
.dropdown li a.current {
  background: var(--ivory);
  color: var(--emerald-700);
  font-weight: 600;
}
.dropdown li a.current::before { opacity: 1; }

/* ═══════════════════════════════════════════════
   PAGE HERO · CREAM (Section 1)
   ═══════════════════════════════════════════════ */
.page-hero {
  position: relative;
  padding: 130px 40px 130px;
  background: var(--ivory);
  overflow: hidden;
  text-align: center;
}
.page-hero::before {
  content: ''; position: absolute; inset: 0;
  background-size: cover; background-position: center;
  background-image: var(--hero-bg, none);
  opacity: 0.16;
  filter: grayscale(20%);
}
.page-hero::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg,
    rgba(250,248,243,0.6) 0%,
    rgba(250,248,243,0.85) 50%,
    rgba(250,248,243,0.95) 100%);
}
.page-hero-inner {
  position: relative; z-index: 2;
  max-width: 920px;
  margin: 0 auto;
}
.page-hero-eyebrow {
  display: inline-flex; align-items: center; gap: 14px;
  font-family: 'Playfair Display', serif;
  font-size: 12px; font-weight: 500; letter-spacing: 6px;
  color: var(--gold-600);
  text-transform: uppercase;
  font-style: italic;
  margin-bottom: 28px;
  justify-content: center;
}
.page-hero-eyebrow::before, .page-hero-eyebrow::after {
  content: ''; width: 36px; height: 1px;
  background: var(--gold-500);
}
.page-hero-title {
  font-family: 'Noto Serif KR', serif;
  font-size: 52px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.4;
  letter-spacing: -0.02em;
  margin-bottom: 36px;
}
.page-hero-title em {
  font-style: normal;
  color: var(--emerald-700);
  font-weight: 700;
}
.page-hero-title .accent {
  color: var(--gold-600);
  font-weight: 700;
  font-style: normal;
}
.page-hero-text {
  font-size: 16px;
  color: var(--ink-mid);
  line-height: 2.05;
  font-weight: 300;
  max-width: 760px;
  margin: 0 auto;
}
.page-hero-text strong {
  color: var(--emerald-800);
  font-weight: 500;
}
.page-hero-divider {
  width: 60px; height: 1px;
  background: var(--gold-500);
  margin: 36px auto 0;
}

/* ═══════════════════════════════════════════════
   SPECIAL CLINIC · DARK (Section 2)
   ═══════════════════════════════════════════════ */
.page-special {
  position: relative;
  padding: 130px 40px 140px;
  background: var(--dark-900);
  color: #fff;
  overflow: hidden;
  text-align: center;
}
.page-special::before {
  content: ''; position: absolute; inset: 0;
  background-image: var(--special-bg, none);
  background-size: cover; background-position: center;
  opacity: 0.08;
  filter: grayscale(50%);
}
.page-special::after {
  content: ''; position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(255,255,255,0.04) 1px, transparent 0);
  background-size: 24px 24px;
}
.page-special-inner {
  position: relative; z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
}
.page-special-eyebrow {
  display: inline-flex; align-items: center; gap: 14px;
  font-family: 'Playfair Display', serif;
  font-size: 12px; font-weight: 500; letter-spacing: 6px;
  color: var(--gold-400);
  text-transform: uppercase;
  font-style: italic;
  margin-bottom: 26px;
  justify-content: center;
}
.page-special-eyebrow::before, .page-special-eyebrow::after {
  content: ''; width: 36px; height: 1px;
  background: var(--gold-400);
}
.page-special-title {
  font-family: 'Noto Serif KR', serif;
  font-size: 46px;
  font-weight: 600;
  color: #fff;
  line-height: 1.4;
  letter-spacing: -0.02em;
  margin-bottom: 32px;
}
.page-special-title em {
  font-style: normal;
  color: var(--gold-400);
  font-weight: 700;
}
.page-special-text {
  font-size: 15.5px;
  color: rgba(255,255,255,0.78);
  line-height: 2.1;
  font-weight: 300;
  max-width: 820px;
  margin: 0 auto 80px;
}
.page-special-text strong {
  color: var(--gold-400);
  font-weight: 500;
}

/* Process Circles */
.process-circles {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  max-width: 1080px;
  margin: 0 auto;
}
.proc-circle {
  position: relative;
  text-align: center;
}
.proc-circle-img {
  position: relative;
  width: 200px; height: 200px;
  margin: 0 auto;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid rgba(212,185,122,0.3);
  box-shadow:
    0 0 0 8px rgba(255,255,255,0.04),
    0 20px 40px rgba(0,0,0,0.5);
  transition: transform 0.6s var(--ease), border-color 0.6s var(--ease);
}
.proc-circle:hover .proc-circle-img {
  transform: translateY(-6px);
  border-color: var(--gold-400);
}
.proc-circle-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: brightness(0.7) contrast(1.05);
  transition: transform 1.4s var(--ease), filter 0.6s var(--ease);
}
.proc-circle:hover .proc-circle-img img {
  transform: scale(1.1);
  filter: brightness(0.85);
}
.proc-circle-img::after {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle, transparent 30%, rgba(0,0,0,0.4) 100%);
}
.proc-circle-num {
  position: absolute;
  top: 16px; left: 50%; transform: translateX(-50%);
  z-index: 3;
  font-family: 'Playfair Display', serif;
  font-size: 13px; font-style: italic;
  letter-spacing: 2px;
  color: var(--gold-400);
}
.proc-circle-caption {
  position: absolute;
  left: 50%; bottom: 28px;
  transform: translateX(-50%);
  z-index: 3;
  font-family: 'Noto Serif KR', serif;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  text-shadow: 0 2px 8px rgba(0,0,0,0.6);
  white-space: nowrap;
  line-height: 1.5;
}
.proc-circle-caption .gold-line {
  display: block;
  color: var(--gold-400);
  font-size: 11px;
  letter-spacing: 1px;
  font-style: italic;
  font-weight: 500;
  margin-bottom: 4px;
}

/* ═══════════════════════════════════════════════
   ABOUT SECTION
   ═══════════════════════════════════════════════ */
.page-about {
  padding: 130px 40px;
  background: var(--paper);
}
.page-about-inner {
  max-width: 1180px;
  margin: 0 auto;
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: center;
}
.about-image {
  position: relative;
  aspect-ratio: 4/5;
}
.about-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  box-shadow: var(--shadow-xl);
}
.about-image::before {
  content: ''; position: absolute;
  top: -24px; left: -24px;
  right: 50px; bottom: 50px;
  border: 1px solid var(--gold-500);
  z-index: -1;
}
.about-eyebrow {
  display: inline-flex; align-items: center; gap: 14px;
  font-family: 'Playfair Display', serif;
  font-size: 12px; font-weight: 500; letter-spacing: 5px;
  color: var(--gold-600);
  text-transform: uppercase;
  font-style: italic;
  margin-bottom: 22px;
}
.about-eyebrow::before {
  content: ''; width: 36px; height: 1px;
  background: var(--gold-500);
}
.about-title {
  font-family: 'Noto Serif KR', serif;
  font-size: 38px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.4;
  letter-spacing: -0.02em;
  margin-bottom: 26px;
}
.about-title em { font-style: normal; color: var(--emerald-700); font-weight: 700; }
.about-text {
  font-size: 15.5px;
  color: var(--ink-mid);
  line-height: 2;
  font-weight: 300;
  margin-bottom: 32px;
}
.about-list {
  margin-top: 36px;
  padding-top: 36px;
  border-top: 1px solid var(--line);
}
.about-list-item {
  display: flex; align-items: flex-start; gap: 20px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-soft);
}
.about-list-item:last-child { border-bottom: none; }
.about-list-num {
  font-family: 'Playfair Display', serif;
  font-size: 22px; font-style: italic;
  color: var(--gold-600);
  font-weight: 500;
  flex-shrink: 0;
  line-height: 1;
  margin-top: 4px;
}
.about-list-body { flex: 1; }
.about-list-title {
  font-family: 'Noto Serif KR', serif;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 4px;
}
.about-list-text {
  font-size: 13.5px;
  color: var(--ink-mid);
  line-height: 1.85;
  font-weight: 300;
}

/* ═══════════════════════════════════════════════
   FEATURE GRID (이런 분께 추천)
   ═══════════════════════════════════════════════ */
.page-feature {
  padding: 130px 40px;
  background: var(--ivory);
}
.page-feature-inner {
  max-width: 1180px;
  margin: 0 auto;
}
.page-feature-header {
  text-align: center;
  margin-bottom: 70px;
}
.page-feature-eyebrow {
  display: inline-flex; align-items: center; gap: 14px;
  font-family: 'Playfair Display', serif;
  font-size: 12px; font-weight: 500; letter-spacing: 5px;
  color: var(--gold-600);
  text-transform: uppercase;
  font-style: italic;
  margin-bottom: 22px;
  justify-content: center;
}
.page-feature-eyebrow::before, .page-feature-eyebrow::after {
  content: ''; width: 36px; height: 1px;
  background: var(--gold-500);
}
.page-feature-title {
  font-family: 'Noto Serif KR', serif;
  font-size: 38px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.4;
  letter-spacing: -0.02em;
  margin-bottom: 22px;
}
.page-feature-title em { font-style: normal; color: var(--emerald-700); font-weight: 700; }
.page-feature-sub {
  font-size: 15px;
  color: var(--ink-mid);
  font-weight: 300;
  line-height: 1.95;
  max-width: 640px;
  margin: 0 auto;
}
.recommend-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}
.rec-card {
  background: #fff;
  border: 1px solid var(--line);
  padding: 38px 36px;
  display: flex;
  align-items: flex-start;
  gap: 24px;
  transition: all 0.4s var(--ease);
}
.rec-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--gold-200);
}
.rec-card-num {
  font-family: 'Playfair Display', serif;
  font-size: 38px;
  font-style: italic;
  color: var(--gold-500);
  font-weight: 500;
  line-height: 1;
  flex-shrink: 0;
}
.rec-card-body { flex: 1; }
.rec-card-title {
  font-family: 'Noto Serif KR', serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
  line-height: 1.5;
}
.rec-card-text {
  font-size: 14px;
  color: var(--ink-mid);
  line-height: 1.85;
  font-weight: 300;
}

/* ═══════════════════════════════════════════════
   CLOSING CTA
   ═══════════════════════════════════════════════ */
.page-cta {
  position: relative;
  padding: 140px 40px;
  background: var(--emerald-900);
  color: #fff;
  overflow: hidden;
  text-align: center;
}
.page-cta::before {
  content: ''; position: absolute; inset: 0;
  background-image: var(--cta-bg, none);
  background-size: cover; background-position: center;
  opacity: 0.18;
}
.page-cta::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,61,40,0.7) 0%, rgba(10,61,40,0.92) 100%);
}
.page-cta-inner {
  position: relative; z-index: 2;
  max-width: 820px;
  margin: 0 auto;
}
.page-cta-eyebrow {
  font-family: 'Playfair Display', serif;
  font-size: 12px; letter-spacing: 6px;
  color: var(--gold-400);
  text-transform: uppercase;
  font-style: italic;
  margin-bottom: 26px;
  display: inline-block;
}
.page-cta-title {
  font-family: 'Noto Serif KR', serif;
  font-size: 40px;
  font-weight: 600;
  line-height: 1.45;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
}
.page-cta-title em {
  font-style: normal;
  color: var(--gold-400);
  font-weight: 700;
}
.page-cta-text {
  font-size: 15px;
  color: rgba(255,255,255,0.78);
  line-height: 2;
  font-weight: 300;
  margin-bottom: 44px;
  max-width: 660px;
  margin-left: auto;
  margin-right: auto;
}
.page-cta-buttons {
  display: inline-flex; gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
}
.cta-btn {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 18px 38px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  transition: all 0.4s var(--ease);
}
.cta-btn-primary {
  background: var(--gold-500);
  color: var(--emerald-900);
}
.cta-btn-primary:hover {
  background: var(--gold-400);
  transform: translateY(-3px);
}
.cta-btn-secondary {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.4);
  backdrop-filter: blur(8px);
  color: #fff;
}
.cta-btn-secondary:hover {
  background: rgba(255,255,255,0.14);
  transform: translateY(-3px);
}
.cta-btn svg { width: 14px; height: 14px; }

/* ═══════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════ */
.footer {
  background: var(--emerald-900);
  color: rgba(255,255,255,0.7);
  padding: 100px 40px 40px;
  position: relative;
  overflow: hidden;
}
.footer::before {
  content: ''; position: absolute;
  top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-500), transparent);
}
.footer-inner {
  max-width: 1320px;
  margin: 0 auto;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 70px;
}
.footer-brand img {
  max-height: 44px;
  filter: brightness(0) invert(1);
  opacity: 0.85;
  margin-bottom: 24px;
}
.footer-tagline {
  font-family: 'Playfair Display', serif;
  font-size: 13px; font-style: italic;
  color: var(--gold-400);
  letter-spacing: 2px;
  margin-bottom: 20px;
}
.footer-desc {
  font-size: 13px; line-height: 1.85;
  color: rgba(255,255,255,0.55);
  max-width: 320px;
  font-weight: 300;
}
.footer-col-title {
  font-family: 'Playfair Display', serif;
  font-size: 12px; letter-spacing: 3px;
  color: var(--gold-400);
  text-transform: uppercase;
  font-style: italic;
  margin-bottom: 22px;
}
.footer-col ul li {
  margin-bottom: 12px;
}
.footer-col ul li a {
  font-size: 13px; color: rgba(255,255,255,0.6);
  transition: color 0.25s var(--ease);
}
.footer-col ul li a:hover { color: var(--gold-400); }
.footer-info-line {
  font-size: 13px; line-height: 1.95;
  color: rgba(255,255,255,0.55);
  margin-bottom: 6px;
}
.footer-info-line strong { color: rgba(255,255,255,0.85); font-weight: 500; }
.footer-bottom {
  padding-top: 36px;
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex; justify-content: space-between; align-items: center;
  font-size: 12px;
  color: rgba(255,255,255,0.4);
}
.footer-bottom-left {
  font-family: 'Playfair Display', serif;
  letter-spacing: 1.5px;
  font-style: italic;
}

/* ═══════════════════════════════════════════════
   FLOATING ACTIONS
   ═══════════════════════════════════════════════ */
.float-actions {
  position: fixed; right: 28px; bottom: 28px;
  display: flex; flex-direction: column; gap: 10px;
  z-index: 990;
}
.float-btn {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--emerald-700);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 12px 32px rgba(15,33,27,0.3);
  transition: all 0.3s var(--ease);
}
.float-btn:hover {
  background: var(--gold-500);
  transform: translateY(-4px);
}
.float-btn.kakao { background: #FEE500; color: #3C1E1E; }
.float-btn.kakao:hover { background: #FFD400; }
.float-btn svg { width: 22px; height: 22px; }
.float-btn.top {
  opacity: 0; visibility: hidden;
  pointer-events: none;
}
.float-btn.top.show {
  opacity: 1; visibility: visible;
  pointer-events: auto;
}

/* ═══════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════ */

/* ── 1200px: 넓은 태블릿 ── */
@media (max-width: 1200px) {
  .nav > li > a { padding: 22px 18px; font-size: 13.5px; }
  .page-hero-title { font-size: 42px; }
  .page-special-title { font-size: 38px; }
  .about-title, .page-feature-title, .page-cta-title { font-size: 32px; }
  .about-grid { gap: 50px; }
}

/* ── 980px: 일반 태블릿 ── */
@media (max-width: 980px) {
  .header-left { display: none; }
  .header-inner { grid-template-columns: 1fr auto; }
  .header-center { text-align: left; }
  .process-circles { grid-template-columns: repeat(2, 1fr); gap: 40px; }
  .about-grid { grid-template-columns: 1fr; gap: 50px; }
  .about-image { aspect-ratio: 16/9; max-height: 360px; }
  .about-image::before { display: none; }
  .recommend-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}

/* ── 768px: 모바일 기준 ── */
@media (max-width: 768px) {
  body.nav-open { overflow: hidden; }

  /* top bar */
  .top-bar-inner { padding: 9px 20px; }
  .top-left { display: none; }
  .top-right { justify-content: center; gap: 16px; font-size: 12px; }

  /* header */
  .header { position: sticky; top: 0; z-index: 600; box-shadow: 0 2px 12px rgba(15,33,27,0.07); }
  .header-inner { padding: 12px 16px; grid-template-columns: auto 1fr auto; gap: 8px; }
  .header-left { display: none; }
  .header-center { text-align: left; }
  .header-center img { max-height: 44px; }
  .header-right { gap: 8px; }
  .header-cta { padding: 10px 14px; font-size: 12px; gap: 6px; }
  .header-cta span { display: none; }
  .header-cta svg { width: 15px; height: 15px; }
  .menu-toggle { display: flex; width: 44px; height: 44px; }

  /* nav backdrop */
  .nav-backdrop { display: block; }

  /* nav overlay */
  .nav-wrapper {
    position: fixed !important;
    top: 0; left: 0;
    width: min(300px, 85vw);
    height: 100dvh;
    height: 100vh;
    z-index: 590;
    background: #fff;
    transform: translateX(-100%);
    transition: transform 0.38s var(--ease);
    overflow-y: auto;
    overflow-x: hidden;
    padding: 68px 0 40px;
    border-bottom: none;
    box-shadow: none;
  }
  .nav-wrapper.nav-open {
    transform: translateX(0);
    box-shadow: 8px 0 48px rgba(15,33,27,0.18) !important;
  }
  .nav-wrapper.scrolled { box-shadow: none; }

  /* mobile nav 레이아웃 */
  .nav {
    flex-direction: column;
    padding: 0;
    max-width: 100%;
    justify-content: flex-start;
    overflow-x: hidden;
    align-items: stretch;
    gap: 0;
  }
  .nav > li { width: 100%; border-bottom: 1px solid var(--line-soft); }
  .nav > li > a {
    padding: 15px 20px;
    font-size: 14.5px;
    font-weight: 700;
    white-space: normal;
    color: var(--ink);
    min-height: 52px;
    display: flex;
    align-items: center;
  }
  .nav > li > a::before { display: none; }
  .nav > li:hover > a,
  .nav > li.active > a { color: var(--emerald-700); background: var(--ivory); }

  /* 드롭다운 → 인라인 */
  .dropdown {
    display: block !important;
    position: static !important;
    transform: none !important;
    opacity: 1 !important;
    visibility: visible !important;
    box-shadow: none !important;
    border: none !important;
    border-left: 3px solid var(--gold-400);
    margin: 0 20px 12px 20px;
    padding: 4px 0;
    background: var(--ivory);
    min-width: auto;
    border-radius: 0 4px 4px 0;
  }
  .dropdown::before { display: none !important; }
  .dropdown li a { padding: 10px 16px; font-size: 13.5px; min-height: 40px; display: flex; align-items: center; }
  .dropdown li a:hover { padding-left: 24px; background: transparent; }

  /* page hero */
  .page-hero { padding: 64px 20px; }
  .page-hero-eyebrow { font-size: 10px; letter-spacing: 4px; gap: 10px; margin-bottom: 20px; }
  .page-hero-eyebrow::before, .page-hero-eyebrow::after { width: 24px; }
  .page-hero-title { font-size: 28px; line-height: 1.45; margin-bottom: 24px; }
  .page-hero-text { font-size: 14px; line-height: 1.9; }
  .page-hero-divider { margin-top: 28px; }

  /* special section */
  .page-special { padding: 64px 20px 72px; }
  .page-special-eyebrow { font-size: 10px; letter-spacing: 4px; gap: 10px; }
  .page-special-eyebrow::before, .page-special-eyebrow::after { width: 24px; }
  .page-special-title { font-size: 26px; line-height: 1.45; }
  .page-special-text { font-size: 13.5px; line-height: 1.85; margin-bottom: 40px; }
  .process-circles { grid-template-columns: 1fr 1fr; gap: 16px; max-width: 100%; }
  .proc-circle-img { width: 130px; height: 130px; }
  .proc-circle-caption {
    font-size: 11px;
    bottom: 14px;
    white-space: normal;
    width: 90%;
    left: 50%;
    transform: translateX(-50%);
    line-height: 1.4;
  }
  .gold-line { font-size: 9.5px; letter-spacing: 1.5px; margin-bottom: 2px; }

  /* about / feature */
  .page-about, .page-feature { padding: 60px 20px; }
  .about-grid { gap: 32px; }
  .about-image { aspect-ratio: 3/2; }
  .about-image::before { display: none; }
  .about-eyebrow { font-size: 10px; letter-spacing: 4px; gap: 10px; }
  .about-eyebrow::before { width: 24px; }
  .about-title, .page-feature-title { font-size: 22px; line-height: 1.45; }
  .about-text { font-size: 14px; line-height: 1.9; }
  .about-list { gap: 0; margin-top: 28px; padding-top: 28px; }
  .about-list-item { gap: 16px; padding: 14px 0; }
  .about-list-num { font-size: 20px; }
  .about-list-title { font-size: 13.5px; }
  .about-list-text { font-size: 12.5px; }
  .page-feature-header { margin-bottom: 40px; }
  .page-feature-sub { font-size: 14px; }
  .recommend-grid { gap: 12px; }
  .rec-card { padding: 20px 18px; gap: 16px; }
  .rec-card-num { font-size: 28px; }
  .rec-card-title { font-size: 14.5px; }
  .rec-card-text { font-size: 13px; }

  /* CTA */
  .page-cta { padding: 68px 20px; }
  .page-cta-eyebrow { font-size: 10px; letter-spacing: 4px; margin-bottom: 18px; }
  .page-cta-title { font-size: 23px; line-height: 1.5; margin-bottom: 20px; }
  .page-cta-text { font-size: 14px; margin-bottom: 32px; }
  .page-cta-buttons { flex-direction: column; align-items: center; gap: 12px; }
  .cta-btn { width: 100%; max-width: 300px; justify-content: center; padding: 16px 24px; font-size: 13px; }

  /* footer */
  .footer { padding: 52px 20px 28px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; margin-bottom: 40px; }
  .footer-brand img { max-height: 40px; }
  .footer-tagline { font-size: 12px; }
  .footer-desc { font-size: 13px; line-height: 1.8; max-width: 100%; }
  .footer-col-title { font-size: 11px; margin-bottom: 16px; }
  .footer-col ul li { margin-bottom: 10px; }
  .footer-col ul li a { font-size: 13px; }
  .footer-info-line { font-size: 13px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; font-size: 11.5px; padding-top: 24px; }

  /* floating actions */
  .float-actions { bottom: 18px; right: 12px; gap: 8px; }
  .float-btn { width: 46px; height: 46px; }
  .float-btn svg { width: 18px; height: 18px; }
}

/* ── 480px: 일반 스마트폰 ── */
@media (max-width: 480px) {
  .header-inner { padding: 10px 14px; }
  .header-center img { max-height: 40px; }
  .header-cta { padding: 9px 12px; }

  .page-hero { padding: 52px 16px; }
  .page-hero-title { font-size: 24px; }
  .page-hero-text { font-size: 13.5px; }

  .page-special { padding: 52px 16px 64px; }
  .page-special-title { font-size: 22px; }
  .page-special-text { font-size: 13px; }
  .process-circles { gap: 12px; }
  .proc-circle-img { width: 110px; height: 110px; }
  .proc-circle-caption { font-size: 10.5px; bottom: 12px; }

  .page-about, .page-feature { padding: 52px 16px; }
  .about-title, .page-feature-title { font-size: 20px; }
  .about-text { font-size: 13.5px; }
  .rec-card { padding: 18px 16px; }

  .page-cta { padding: 56px 16px; }
  .page-cta-title { font-size: 21px; }
  .cta-btn { max-width: 100%; font-size: 12.5px; padding: 15px 20px; }

  .footer { padding: 44px 16px 24px; }
  .footer-bottom { font-size: 11px; }
}

/* ── 360px: 소형 스마트폰 (Galaxy S 시리즈 등) ── */
@media (max-width: 360px) {
  .header-inner { padding: 10px 12px; }
  .header-center img { max-height: 36px; }

  .top-right { gap: 12px; font-size: 11px; }
  .top-right a { gap: 5px; }

  .page-hero { padding: 44px 14px; }
  .page-hero-eyebrow { font-size: 9.5px; gap: 8px; }
  .page-hero-eyebrow::before, .page-hero-eyebrow::after { width: 16px; }
  .page-hero-title { font-size: 22px; }
  .page-hero-text { font-size: 13px; }

  .page-special { padding: 44px 14px 56px; }
  .page-special-title { font-size: 20px; }
  .page-special-text { font-size: 12.5px; }
  .process-circles { grid-template-columns: 1fr 1fr; gap: 10px; }
  .proc-circle-img { width: 96px; height: 96px; }
  .proc-circle-caption { font-size: 10px; bottom: 10px; }
  .gold-line { font-size: 9px; }

  .page-about, .page-feature { padding: 44px 14px; }
  .about-title, .page-feature-title { font-size: 19px; }
  .about-text { font-size: 13px; }
  .rec-card { padding: 16px 14px; gap: 14px; }
  .rec-card-num { font-size: 24px; }
  .rec-card-title { font-size: 13.5px; }

  .page-cta { padding: 48px 14px; }
  .page-cta-title { font-size: 19px; }
  .page-cta-text { font-size: 13px; }
  .cta-btn { padding: 14px 16px; font-size: 12px; }

  .footer { padding: 40px 14px 20px; }
  .nav-wrapper { padding: 60px 0 32px; }
  .nav > li > a { padding: 13px 16px; font-size: 14px; }
  .dropdown { margin: 0 16px 10px 16px; }
  .dropdown li a { padding: 9px 14px; font-size: 13px; }
}