/* ============================================
   RISE ON - Premium Hospital Marketing
   Main Stylesheet
   ============================================ */

/* ---------- CSS VARIABLES ---------- */
:root {
  --primary: #1a3a5c;
  --primary-dark: #0f2540;
  --primary-light: #2a5a8c;
  --accent: #4a9aba;
  --accent-light: #7bc4dc;
  --gold: #c9a84c;
  --gold-light: #e8c878;
  --white: #ffffff;
  --off-white: #f8f9fc;
  --light-gray: #f0f4f8;
  --gray: #9aabb8;
  --dark-gray: #5a6e7f;
  --text-dark: #1a2533;
  --text-mid: #3d5166;
  --text-light: #7a8fa0;
  --border: #e0e8ef;
  --shadow-sm: 0 2px 12px rgba(26,58,92,0.08);
  --shadow-md: 0 8px 32px rgba(26,58,92,0.12);
  --shadow-lg: 0 16px 48px rgba(26,58,92,0.18);
  --shadow-xl: 0 24px 64px rgba(26,58,92,0.22);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  --font-kr: 'Noto Sans KR', sans-serif;
  --font-en: 'Montserrat', sans-serif;
  --font-serif: 'Playfair Display', serif;
}

/* ---------- RESET & BASE ---------- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-kr);
  color: var(--text-dark);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { border: none; cursor: pointer; background: none; }
input, textarea, select { font-family: var(--font-kr); }

/* ---------- SCROLLBAR ---------- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--light-gray); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 3px; }

/* ---------- CONTAINER ---------- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ---------- SECTION COMMON ---------- */
.section { padding: 100px 0; }
.section-label {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
  display: block;
}
.section-label.light { color: var(--accent-light); }
.section-title {
  font-family: var(--font-kr);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.3;
  margin-bottom: 20px;
}
.section-title.white { color: var(--white); }
.section-desc {
  font-size: 17px;
  color: var(--text-light);
  max-width: 560px;
}
.section-header { margin-bottom: 64px; }
.section-header.center { text-align: center; }
.section-header.center .section-desc { margin: 0 auto; }
.highlight { color: var(--accent); }
.highlight-light { color: var(--accent-light); }

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 36px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.3px;
  transition: var(--transition);
  cursor: pointer;
}
.btn-primary {
  background: var(--accent);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(74,154,186,0.4);
}
.btn-primary:hover {
  background: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(26,58,92,0.4);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.6);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.15);
  border-color: var(--white);
}
.btn-full { width: 100%; justify-content: center; }

/* ============================================
   NAVBAR
   ============================================ */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: var(--transition);
}
.navbar {
  padding: 0;
  transition: var(--transition);
}
#header.scrolled .navbar {
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-md);
}
#header.scrolled .nav-link { color: var(--text-dark); }
#header.scrolled .nav-link:hover { color: var(--accent); }
#header.scrolled .nav-cta {
  background: var(--accent);
  color: var(--white) !important;
}
.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}
.nav-logo { display: flex; align-items: center; }
.logo-text {
  font-family: var(--font-en);
  font-size: 22px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 3px;
  transition: var(--transition);
}
#header.scrolled .logo-text {
  color: var(--primary);
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: rgba(255,255,255,0.9);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  letter-spacing: 0.2px;
}
.nav-link:hover { color: var(--white); background: rgba(255,255,255,0.12); }
.nav-cta {
  background: var(--accent) !important;
  color: var(--white) !important;
  padding: 10px 22px !important;
  box-shadow: 0 4px 16px rgba(74,154,186,0.4);
}
.nav-cta:hover {
  background: var(--primary) !important;
  transform: translateY(-1px);
}
.hamburger { display: none; flex-direction: column; gap: 5px; padding: 4px; }
.hamburger span {
  width: 24px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
  display: block;
}
#header.scrolled .hamburger span { background: var(--text-dark); }

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center;
  filter: brightness(0.62) saturate(0.85);
  will-change: transform;
  transform: scale(1.08);
  transition: transform 0.1s linear;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      to bottom,
      rgba(5, 15, 30, 0.82) 0%,
      rgba(8, 22, 44, 0.88) 35%,
      rgba(10, 28, 55, 0.92) 65%,
      rgba(5, 15, 30, 0.96) 100%
    );
}
.hero-content {
  position: relative;
  z-index: 2;
  padding: 140px 48px 80px;
  max-width: 800px;
}
.hero-badge {
  display: inline-block;
  background: rgba(74,154,186,0.2);
  border: 1px solid rgba(74,154,186,0.5);
  color: var(--accent-light);
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 4px;
  padding: 8px 20px;
  border-radius: 40px;
  margin-bottom: 28px;
}
.hero-title {
  font-size: clamp(38px, 5.5vw, 68px);
  font-weight: 900;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -0.5px;
  text-shadow: 0 2px 24px rgba(0,0,0,0.5), 0 4px 48px rgba(0,0,0,0.3);
}
.hero-title .highlight {
  color: var(--accent-light);
  text-shadow: 0 0 40px rgba(74,154,186,0.6), 0 2px 20px rgba(0,0,0,0.4);
}
.hero-subtitle {
  font-size: clamp(16px, 2vw, 19px);
  color: rgba(255,255,255,0.92);
  margin-bottom: 44px;
  line-height: 1.7;
  font-weight: 400;
  text-shadow: 0 1px 12px rgba(0,0,0,0.5);
}
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 64px; }
.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
  background: rgba(0,0,0,0.28);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: var(--radius-md);
  padding: 24px 36px;
  width: fit-content;
}
.stat-item { text-align: center; padding: 0 28px; }
.stat-number {
  display: block;
  font-family: var(--font-en);
  font-size: 36px;
  font-weight: 700;
  color: var(--white);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-plus { font-size: 22px; color: var(--accent-light); }
.stat-label {
  display: block;
  font-size: 12px;
  color: rgba(255,255,255,0.65);
  letter-spacing: 1px;
}
.stat-divider {
  width: 1px;
  height: 48px;
  background: rgba(255,255,255,0.2);
}
.hero-scroll {
  position: absolute;
  bottom: 40px;
  right: 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  z-index: 2;
}
.hero-scroll span {
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 3px;
  color: rgba(255,255,255,0.5);
  writing-mode: vertical-rl;
  text-orientation: mixed;
}
.scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.5), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.5; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(0.7); }
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about { background: var(--white); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-images { position: relative; }
.img-main {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  aspect-ratio: 4/3;
}
.img-main img { width: 100%; height: 100%; object-fit: cover; }
.img-sub {
  position: absolute;
  bottom: -32px;
  right: -32px;
  width: 55%;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 4px solid var(--white);
}
.img-sub img { width: 100%; height: 160px; object-fit: cover; }
.about-badge-card {
  background: var(--primary);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.badge-icon {
  width: 36px; height: 36px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 16px;
  flex-shrink: 0;
}
.badge-text {
  font-size: 13px;
  font-weight: 600;
  color: var(--white);
  display: block;
}
.badge-year {
  font-size: 11px;
  color: var(--accent-light);
  display: block;
  font-family: var(--font-en);
}
.about-desc {
  font-size: 16px;
  color: var(--text-mid);
  line-height: 1.8;
  margin-bottom: 16px;
}
.about-features { margin: 32px 0; display: flex; flex-direction: column; gap: 16px; }
.feature-item { display: flex; align-items: flex-start; gap: 16px; }
.feature-icon {
  color: var(--accent);
  font-size: 20px;
  margin-top: 2px;
  flex-shrink: 0;
}
.feature-text strong {
  display: block;
  font-size: 15px;
  color: var(--text-dark);
  margin-bottom: 2px;
}
.feature-text span { font-size: 13px; color: var(--text-light); }
.about-ceo {
  margin-top: 32px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}
.ceo-info {
  display: flex;
  align-items: center;
  gap: 16px;
}
.ceo-icon {
  width: 52px; height: 52px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 22px;
}
.ceo-info strong {
  display: block;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-dark);
}
.ceo-info span { font-size: 13px; color: var(--text-light); }

/* ============================================
   SERVICES SECTION
   ============================================ */
.services { background: var(--off-white); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--primary-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}
.service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-xl); border-color: transparent; }
.service-card:hover::before { transform: scaleX(1); }
.service-card.featured {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-color: transparent;
  color: var(--white);
}
.service-card.featured::before { background: linear-gradient(90deg, var(--gold), var(--accent-light)); transform: scaleX(1); }
.service-card.featured h3 { color: var(--white); }
.service-card.featured p { color: rgba(255,255,255,0.82); }
.service-card.featured .service-list li { color: rgba(255,255,255,0.82); }
.service-card.featured .service-list i { color: var(--accent-light); }
.service-card.featured .service-icon-wrap {
  background: rgba(255,255,255,0.15);
  color: var(--white);
}
.service-icon-wrap {
  width: 64px; height: 64px;
  background: linear-gradient(135deg, rgba(74,154,186,0.12), rgba(74,154,186,0.06));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  color: var(--accent);
  margin-bottom: 24px;
  transition: var(--transition);
}
.service-card:hover .service-icon-wrap {
  background: linear-gradient(135deg, var(--accent), var(--primary-light));
  color: var(--white);
}
.service-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 14px;
}
.service-card p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 24px;
}
.service-list { display: flex; flex-direction: column; gap: 10px; }
.service-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text-mid);
}
.service-list i { color: var(--accent); font-size: 10px; flex-shrink: 0; }

/* ============================================
   WHY US SECTION
   ============================================ */
.why-us {
  position: relative;
  padding: 100px 0;
  overflow: hidden;
}
.why-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.why-bg img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center;
}
.why-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10,25,45,0.92), rgba(15,37,64,0.85));
}
.why-us .container { position: relative; z-index: 2; }
.why-us .section-header { margin-bottom: 60px; }
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.why-card {
  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: var(--transition);
  position: relative;
}
.why-card:hover {
  background: rgba(255,255,255,0.1);
  transform: translateY(-6px);
  border-color: rgba(74,154,186,0.4);
}
.why-number {
  font-family: var(--font-en);
  font-size: 48px;
  font-weight: 700;
  color: rgba(255,255,255,0.06);
  line-height: 1;
  margin-bottom: 16px;
}
.why-icon {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--accent), var(--primary-light));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--white);
  margin-bottom: 20px;
}
.why-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}
.why-card p { font-size: 14px; color: rgba(255,255,255,0.7); line-height: 1.7; }

/* ============================================
   HEADHUNTING SECTION
   ============================================ */
.headhunting { background: var(--white); }
.headhunting-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.headhunting-img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  height: 380px;
  object-fit: cover;
}
.hh-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-top: 24px;
  box-shadow: var(--shadow-sm);
}
.hh-stat {
  background: var(--white);
  padding: 24px 16px;
  text-align: center;
}
.hh-num {
  display: block;
  font-family: var(--font-en);
  font-size: 32px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 8px;
}
.hh-num sup { font-size: 18px; color: var(--accent); }
.hh-label { font-size: 12px; color: var(--text-light); }
.headhunting-right h3 {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 16px;
}
.headhunting-right > p {
  font-size: 16px;
  color: var(--text-mid);
  line-height: 1.8;
  margin-bottom: 36px;
}
.hh-categories { display: flex; flex-direction: column; gap: 24px; }
.hh-cat {
  display: flex;
  gap: 20px;
  padding: 24px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--off-white);
  transition: var(--transition);
}
.hh-cat:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
  background: var(--white);
}
.hh-cat-icon {
  width: 52px; height: 52px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--white);
  flex-shrink: 0;
}
.hh-cat-content h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 6px;
}
.hh-cat-content p { font-size: 13px; color: var(--text-light); line-height: 1.6; }

/* ============================================
   FEE SECTION
   ============================================ */
.fee-section { background: var(--off-white); }
.fee-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 40px;
}
.fee-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 44px 36px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
  text-align: center;
}
.fee-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-xl); border-color: var(--accent); }
.fee-card.featured {
  background: linear-gradient(145deg, var(--primary) 0%, var(--primary-light) 100%);
  border-color: transparent;
  box-shadow: var(--shadow-xl);
  transform: scale(1.04);
}
.fee-card.featured:hover { transform: scale(1.04) translateY(-8px); }
.fee-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  color: var(--white);
  font-size: 12px;
  font-weight: 700;
  padding: 6px 20px;
  border-radius: 20px;
  letter-spacing: 2px;
}
.fee-icon {
  font-size: 36px;
  color: var(--accent);
  margin-bottom: 20px;
}
.fee-card.featured .fee-icon { color: var(--accent-light); }
.fee-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 16px;
}
.fee-card.featured h3 { color: var(--white); }
.fee-highlight {
  font-family: var(--font-en);
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 20px;
}
.fee-card.featured .fee-highlight { color: var(--accent-light); }
.fee-card p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 24px;
}
.fee-card.featured p { color: rgba(255,255,255,0.75); }
.fee-list { text-align: left; display: flex; flex-direction: column; gap: 12px; }
.fee-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--text-mid);
}
.fee-card.featured .fee-list li { color: rgba(255,255,255,0.85); }
.fee-list i { color: var(--accent); font-size: 13px; }
.fee-card.featured .fee-list i { color: var(--accent-light); }
.fee-note {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: linear-gradient(135deg, rgba(74,154,186,0.08), rgba(26,58,92,0.05));
  border: 1px solid rgba(74,154,186,0.2);
  border-radius: var(--radius-md);
  padding: 24px 28px;
}
.fee-note i { color: var(--accent); font-size: 18px; flex-shrink: 0; margin-top: 2px; }
.fee-note p { font-size: 14px; color: var(--text-mid); line-height: 1.7; }

/* ============================================
   PROCESS SECTION
   ============================================ */
.process-section { background: var(--white); }
.process-timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 860px;
  margin: 0 auto;
}
.process-step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 32px;
  align-items: flex-start;
  position: relative;
}
.step-number {
  width: 80px; height: 80px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-en);
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  flex-shrink: 0;
  box-shadow: 0 8px 24px rgba(26,58,92,0.3);
  z-index: 1;
}
.step-content {
  background: var(--off-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 32px 36px;
  margin-bottom: 0;
  transition: var(--transition);
}
.step-content:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
  background: var(--white);
}
.step-icon {
  width: 48px; height: 48px;
  background: linear-gradient(135deg, rgba(74,154,186,0.12), rgba(74,154,186,0.06));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--accent);
  margin-bottom: 16px;
}
.step-content h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 10px;
}
.step-content p { font-size: 14px; color: var(--text-light); line-height: 1.7; }
.process-connector {
  width: 2px;
  height: 40px;
  background: linear-gradient(to bottom, var(--accent), rgba(74,154,186,0.2));
  margin-left: 39px;
}

/* ============================================
   CASES SECTION
   ============================================ */
.cases-section { background: var(--off-white); }
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.case-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;
}
.case-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--primary));
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-xl); }
.case-card:hover::after { transform: scaleX(1); }
.case-category {
  display: inline-block;
  background: rgba(74,154,186,0.1);
  color: var(--accent);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 20px;
  margin-bottom: 20px;
}
.case-icon {
  font-size: 32px;
  color: var(--primary);
  margin-bottom: 16px;
  opacity: 0.7;
}
.case-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 16px;
}
.case-result {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: var(--radius-sm);
  padding: 14px 20px;
  margin-bottom: 16px;
}
.result-label { font-size: 13px; color: rgba(255,255,255,0.75); }
.result-value {
  font-family: var(--font-en);
  font-size: 24px;
  font-weight: 700;
  color: var(--accent-light);
}
.case-card p { font-size: 14px; color: var(--text-light); line-height: 1.7; margin-bottom: 20px; }
.case-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.case-tags span {
  background: var(--off-white);
  border: 1px solid var(--border);
  color: var(--text-mid);
  font-size: 11px;
  padding: 5px 12px;
  border-radius: 20px;
}

/* ============================================
   NUMBERS SECTION
   ============================================ */
.numbers-section {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
  padding: 80px 0;
}
.numbers-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.number-item {
  background: rgba(255,255,255,0.04);
  text-align: center;
  padding: 48px 32px;
  transition: var(--transition);
}
.number-item:hover { background: rgba(255,255,255,0.1); }
.number-icon {
  font-size: 36px;
  color: var(--accent-light);
  margin-bottom: 16px;
  display: block;
}
.number-count {
  font-family: var(--font-en);
  font-size: 52px;
  font-weight: 700;
  color: var(--white);
  line-height: 1;
  margin-bottom: 12px;
}
.number-label {
  font-size: 14px;
  color: rgba(255,255,255,0.65);
  letter-spacing: 0.5px;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact-section { background: var(--white); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: start;
}
.contact-desc {
  font-size: 16px;
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 40px;
}
.contact-details { display: flex; flex-direction: column; gap: 20px; }
.contact-item { display: flex; align-items: center; gap: 20px; }
.contact-icon {
  width: 52px; height: 52px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--white);
  flex-shrink: 0;
}
.contact-text strong {
  display: block;
  font-size: 13px;
  color: var(--text-light);
  font-weight: 400;
  margin-bottom: 4px;
}
.contact-text a, .contact-text span {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-dark);
  transition: var(--transition);
}
.contact-text a:hover { color: var(--accent); }
.contact-form-wrap {
  background: var(--off-white);
  border-radius: var(--radius-xl);
  padding: 48px 44px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
}
.contact-form h3 {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 32px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-mid);
  margin-bottom: 8px;
  letter-spacing: 0.3px;
}
.form-group label span { color: var(--accent); }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--text-dark);
  background: var(--white);
  transition: var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(74,154,186,0.12);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-check {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}
.form-check input { width: 18px; height: 18px; accent-color: var(--accent); cursor: pointer; }
.form-check label { font-size: 13px; color: var(--text-light); cursor: pointer; }

/* ============================================
   FOOTER
   ============================================ */
.footer { background: var(--primary-dark); }
.footer-top { padding: 72px 0 56px; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1.4fr;
  gap: 48px;
}
.footer-logo {
  height: 60px;
  width: auto;
  object-fit: contain;
  margin-bottom: 20px;
  background: #ffffff;
  padding: 10px 20px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.3);
  box-shadow: 0 4px 24px rgba(0,0,0,0.3), 0 0 0 1px rgba(255,255,255,0.1);
  display: block;
}
.footer-brand p {
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  line-height: 1.8;
  margin-bottom: 16px;
}
.footer-since {
  display: inline-block;
  background: rgba(74,154,186,0.2);
  border: 1px solid rgba(74,154,186,0.3);
  color: var(--accent-light);
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 3px;
  padding: 6px 16px;
  border-radius: 20px;
}
.footer-links h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 20px;
  letter-spacing: 1px;
}
.footer-links ul { display: flex; flex-direction: column; gap: 12px; }
.footer-links li a {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  transition: var(--transition);
}
.footer-links li a:hover { color: var(--accent-light); padding-left: 6px; }
.footer-contact h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 20px;
  letter-spacing: 1px;
}
.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.footer-contact-item i {
  width: 32px; height: 32px;
  background: rgba(74,154,186,0.15);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-light);
  font-size: 13px;
  flex-shrink: 0;
}
.footer-contact-item a,
.footer-contact-item span {
  font-size: 13px;
  color: rgba(255,255,255,0.55);
  transition: var(--transition);
}
.footer-contact-item a:hover { color: var(--accent-light); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 24px 0;
}
.footer-bottom p {
  font-size: 12px;
  color: rgba(255,255,255,0.3);
  text-align: center;
}

/* ============================================
   SCROLL TOP BUTTON
   ============================================ */
.scroll-top {
  position: fixed;
  bottom: 36px;
  right: 36px;
  width: 52px; height: 52px;
  background: var(--accent);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  box-shadow: 0 8px 24px rgba(74,154,186,0.4);
  transition: var(--transition);
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transform: translateY(20px);
}
.scroll-top.visible {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}
.scroll-top:hover {
  background: var(--primary);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(26,58,92,0.4);
}

/* ============================================
   TOAST NOTIFICATION
   ============================================ */
.toast {
  position: fixed;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--primary);
  color: var(--white);
  padding: 16px 28px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 14px;
  box-shadow: var(--shadow-xl);
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
  z-index: 9999;
  white-space: nowrap;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.toast i { color: #4ddc8c; font-size: 18px; }

/* ============================================
   ANIMATIONS (legacy fade-up kept for compat)
   ============================================ */
.fade-up {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ============================================
   HAMBURGER ACTIVE STATE
   ============================================ */
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* ============================================
   NUMBERS SECTION – PLUS SUFFIX
   ============================================ */
.number-item .number-count::after {
  content: attr(data-suffix);
  font-size: 0.55em;
  color: var(--accent-light);
  vertical-align: super;
}

/* ============================================
   EXTRA PREMIUM TOUCHES
   ============================================ */

/* Divider gold line between hero stat items */
.stat-item:not(:last-child)::after {
  content: none;
}

/* Service card featured glow */
.service-card.featured:hover {
  box-shadow: 0 20px 60px rgba(26,58,92,0.5), 0 0 40px rgba(74,154,186,0.2);
}

/* Number section plus signs */
.number-item:nth-child(1) .number-count::after { content: '+'; }
.number-item:nth-child(2) .number-count::after { content: '+'; }
.number-item:nth-child(3) .number-count::after { content: '%'; }
.number-item:nth-child(4) .number-count::after { content: '년'; }

/* Hero bg subtle grain overlay */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='0.025'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 1;
  opacity: 0.4;
}
.hero-content { z-index: 3; }

/* Gradient separator between sections */
.section + .section::before,
.numbers-section + .section::before {
  content: none;
}

/* Footer logo wrapper spacing */
.footer-brand { display: flex; flex-direction: column; }

/* Smooth image load */
img { transition: opacity 0.4s ease; }
img[src=""] { opacity: 0; }

/* ============================================
   RESPONSIVE - Tablet
   ============================================ */
@media (max-width: 1024px) {
  .about-grid,
  .headhunting-content,
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-images { display: none; }
  .services-grid,
  .cases-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .fee-grid { grid-template-columns: 1fr 1fr; }
  .fee-card.featured { transform: scale(1); grid-column: 1 / -1; }
  .numbers-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .hero-content { padding: 140px 32px 80px; }
}

/* ============================================
   RESPONSIVE - Mobile
   ============================================ */
@media (max-width: 768px) {
  .section { padding: 72px 0; }
  .nav-menu {
    position: fixed;
    top: 80px; left: 0; right: 0;
    background: rgba(10,25,45,0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    gap: 0;
    padding: 24px 20px 32px;
    transform: translateY(-120%);
    opacity: 0;
    transition: var(--transition);
    z-index: 999;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }
  .nav-menu.open { transform: translateY(0); opacity: 1; }
  .nav-link {
    width: 100%;
    padding: 14px 20px;
    font-size: 16px;
    color: rgba(255,255,255,0.85) !important;
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }
  .nav-cta {
    margin-top: 12px;
    text-align: center;
  }
  .hamburger { display: flex; }
  .hero-content { padding: 120px 24px 60px; }
  .hero-stats { flex-direction: column; gap: 16px; padding: 20px 24px; width: 100%; }
  .stat-divider { width: 100%; height: 1px; }
  .hero-buttons { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
  .services-grid,
  .cases-grid,
  .why-grid,
  .fee-grid { grid-template-columns: 1fr; }
  .numbers-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 32px 24px; }
  .process-step { grid-template-columns: 60px 1fr; gap: 20px; }
  .step-number { width: 60px; height: 60px; font-size: 16px; }
  .process-connector { margin-left: 29px; }
  .hero-scroll { display: none; }
  .img-sub { display: none; }
  .hh-stats { grid-template-columns: repeat(3, 1fr); }
  .scroll-top { bottom: 24px; right: 24px; }
}

@media (max-width: 480px) {
  .nav-container { padding: 0 20px; }
  .hero-title { font-size: 32px; }
  .section-title { font-size: 26px; }
  .numbers-grid { grid-template-columns: 1fr 1fr; }
  .fee-card.featured { grid-column: auto; }
}