/* ============================================
   PICK ME Skin - Renewed Design
   ============================================ */

:root {
  --primary: #54CFE1;
  --primary-dark: #3ab5c7;
  --primary-light: rgba(84, 207, 225, 0.12);
  --dark: #0f1923;
  --dark-alt: #1a2a3a;
  --text: #2d3436;
  --text-light: #636e72;
  --bg: #fafbfc;
  --bg-card: #ffffff;
  --border: #e8ecef;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 4px 30px rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.1);
  --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans KR', -apple-system, 'Segoe UI', sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; vertical-align: middle; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }
ul, ol { list-style: none; }
input, textarea, select { font-family: inherit; outline: none; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================
   Header
   ============================================ */

.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 20px 0;
  transition: var(--transition);
}
.header.scrolled {
  background: rgba(15, 25, 35, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 12px 0;
  box-shadow: 0 1px 0 rgba(255,255,255,0.06);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo img {
  height: 38px;
  width: auto;
  display: block;
}

.nav { display: flex; gap: 36px; }
.nav a {
  color: rgba(255,255,255,0.75);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: var(--transition);
  position: relative;
}
.nav a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--primary);
  transition: var(--transition);
}
.nav a:hover { color: #fff; }
.nav a:hover::after { width: 100%; }

/* Language Switcher */
.lang-switcher {
  position: relative;
  margin-left: 8px;
}

.lang-current {
  color: rgba(255,255,255,0.75);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.05em;
  padding: 5px 22px 5px 10px;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 4px;
  transition: var(--transition);
  position: relative;
}

.lang-current::after {
  content: '';
  position: absolute;
  right: 8px; top: 50%;
  transform: translateY(-50%);
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 4px solid rgba(255,255,255,0.6);
}

.lang-current:hover {
  border-color: rgba(255,255,255,0.5);
  color: #fff;
}

.lang-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 6px;
  background: #1a2836;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 6px;
  padding: 4px;
  min-width: 80px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: all 0.2s ease;
  z-index: 200;
}

.lang-dropdown.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-option {
  display: block;
  padding: 6px 12px;
  font-size: 12px;
  color: rgba(255,255,255,0.6);
  border-radius: 4px;
  transition: all 0.15s;
  text-decoration: none;
}

.lang-option:hover {
  background: rgba(84,207,225,0.15);
  color: #fff;
}

.lang-option.active {
  color: var(--primary);
  font-weight: 600;
}

/* Mobile Language */
.mobile-lang-list {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.mobile-lang-label {
  font-size: 11px;
  font-weight: 600;
  color: rgba(255,255,255,0.3);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 10px;
}

.mobile-lang-item {
  display: inline-block;
  padding: 4px 12px;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 4px;
  margin: 0 4px 6px 0;
  transition: var(--transition);
}

.mobile-lang-item:hover,
.mobile-lang-item.active {
  color: var(--primary);
  border-color: var(--primary);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 32px; height: 32px;
  gap: 5px;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: var(--transition);
}

/* ============================================
   Mobile Nav
   ============================================ */

.mobile-nav {
  position: fixed;
  top: 0; right: -100%;
  width: 280px; height: 100vh;
  background: var(--dark);
  z-index: 200;
  padding: 80px 32px 32px;
  transition: var(--transition);
}
.mobile-nav.open { right: 0; }
.mobile-nav-close {
  position: absolute;
  top: 20px; right: 20px;
}
.mobile-nav-links { display: flex; flex-direction: column; gap: 24px; }
.mobile-nav-links a {
  color: rgba(255,255,255,0.8);
  font-size: 18px;
  font-weight: 500;
  transition: var(--transition);
}
.mobile-nav-links a:hover { color: var(--primary); }
.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 199;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}
.mobile-nav-overlay.open { opacity: 1; pointer-events: auto; }

/* ============================================
   Hero Slider
   ============================================ */

.hero-swiper {
  width: 100vw;
  height: 100vh;
}

.hero-swiper .swiper-slide {
  position: relative;
  display: flex;
  align-items: center;
}

.slide-1::after { background-image: url('https://skin.vision.ne.kr/img/web/mainbg1.png'); }
.slide-2::after { background-image: url('https://skin.vision.ne.kr/img/web/mainbg2.png'); }
.slide-3::after { background-image: url('https://skin.vision.ne.kr/img/web/mainbg3.png'); }

.hero-swiper .swiper-slide::after {
  content: '';
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  z-index: -1;
}

.hero-swiper .swiper-slide-active::after {
  animation: zoomBg 6s ease-out forwards;
}

@keyframes zoomBg {
  0% { transform: scale(1.2); }
  100% { transform: scale(1); }
}

.slide-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,0,0,0.65) 0%, rgba(0,0,0,0.2) 100%);
  z-index: 0;
}

.slide-content {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

.slide-subtitle {
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 16px;
  opacity: 0;
  transform: translateY(16px);
  transition: all 0.6s ease 0.2s;
}
.swiper-slide-active .slide-subtitle {
  opacity: 1;
  transform: translateY(0);
}

.slide-title {
  font-size: clamp(36px, 5vw, 58px);
  font-weight: 300;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 16px;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s ease 0.35s;
}
.swiper-slide-active .slide-title {
  opacity: 1;
  transform: translateY(0);
}

.slide-title span {
  font-weight: 700;
  color: var(--primary);
}

.slide-desc {
  font-size: clamp(16px, 1.4vw, 20px);
  font-weight: 300;
  color: rgba(255,255,255,0.8);
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s ease 0.5s;
}
.swiper-slide-active .slide-desc {
  opacity: 1;
  transform: translateY(0);
}

/* Swiper pagination */
.hero-swiper .swiper-pagination-bullet {
  width: 32px; height: 3px;
  border-radius: 2px;
  background: rgba(255,255,255,0.4);
  opacity: 1;
  transition: var(--transition);
}
.hero-swiper .swiper-pagination-bullet-active {
  background: var(--primary);
  width: 48px;
}
.hero-swiper .swiper-horizontal>.swiper-pagination-bullets {
  bottom: 48px;
  display: flex;
  justify-content: center;
  gap: 6px;
}

/* ============================================
   Sections Common
   ============================================ */

.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 12px;
}

.section-header .section-title {
  font-size: clamp(28px, 3vw, 38px);
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 16px;
}

.section-desc {
  font-size: 16px;
  color: var(--text-light);
  max-width: 500px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ============================================
   Services
   ============================================ */

.services {
  background: var(--bg);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 40px 32px;
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 4px;
  background: linear-gradient(90deg, var(--primary), #7ed6df);
  opacity: 0;
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: transparent;
}

.service-card:hover::before { opacity: 1; }

.service-icon {
  width: 56px; height: 56px;
  background: var(--primary-light);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  transition: var(--transition);
}

.service-card:hover .service-icon {
  background: var(--primary);
}

.service-icon img {
  width: 26px; height: 26px;
  filter: brightness(0) saturate(100%) invert(66%) sepia(42%) saturate(493%) hue-rotate(153deg) brightness(88%) contrast(86%);
  transition: var(--transition);
}

.service-card:hover .service-icon img {
  filter: brightness(0) invert(1);
}

.service-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
}

.service-info {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.8;
}

/* ============================================
   Contact
   ============================================ */

.contact {
  background: var(--bg-card);
}

.contact-form-wrap {
  max-width: 640px;
  margin: 0 auto;
  background: var(--bg);
  border-radius: var(--radius);
  padding: 48px 40px;
  border: 1px solid var(--border);
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  color: var(--text);
  background: #fff;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-light);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #b2bec3;
}

.form-group textarea {
  resize: vertical;
  min-height: 140px;
}

/* Agreement */
.agreement {
  margin-top: 32px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}

.agreement-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 16px;
}

.agreement-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
}

.agreement-link {
  font-size: 13px;
  color: var(--primary);
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* Custom Checkbox */
.checkbox-all, .checkbox {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  font-size: 15px;
  color: var(--text);
  user-select: none;
}

.checkbox-all {
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 12px;
}

.checkbox-all input, .checkbox input {
  display: none;
}

.checkmark {
  width: 22px; height: 22px;
  border: 2px solid #d1d8e0;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: var(--transition);
}

.checkbox-all input:checked + .checkmark,
.checkbox input:checked + .checkmark {
  background: var(--primary);
  border-color: var(--primary);
}

.checkbox-all input:checked + .checkmark::after,
.checkbox input:checked + .checkmark::after {
  content: '';
  width: 6px; height: 10px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
  margin-top: -2px;
}

/* Submit Button */
.btn-submit {
  display: block;
  width: 100%;
  max-width: 320px;
  margin: 40px auto 0;
  padding: 16px 32px;
  background: var(--primary);
  color: #fff;
  font-size: 17px;
  font-weight: 700;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  letter-spacing: 0.02em;
}

.btn-submit:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(84, 207, 225, 0.35);
}

/* ============================================
   Footer
   ============================================ */

.footer {
  background: var(--dark);
  padding: 48px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.footer-brand img {
  height: 28px;
  width: auto;
  opacity: 0.7;
}

.footer-info {
  text-align: right;
}

.footer-links {
  margin-bottom: 8px;
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

.footer-links a {
  font-size: 12px;
  color: rgba(255,255,255,0.45);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--primary);
}

.footer-divider {
  color: rgba(255,255,255,0.2);
  font-size: 12px;
}

.footer-info p {
  font-size: 13px;
  color: rgba(255,255,255,0.4);
  line-height: 1.7;
}

/* ============================================
   Animations
   ============================================ */

.fade-up {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.7s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav { display: none; }
  .hamburger { display: flex; }

  .header { padding: 16px 0; }
  .header.scrolled { padding: 10px 0; }
  .logo img { height: 30px; }

  .slide-content { padding: 0 20px; }
  .hero-swiper .swiper-horizontal>.swiper-pagination-bullets { bottom: 32px; }

  .section { padding: 64px 0; }
  .section-header { margin-bottom: 40px; }

  .services-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .service-card { padding: 32px 24px; }

  .contact-form-wrap { padding: 32px 24px; }

  .btn-submit { max-width: 100%; }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
  .footer-info { text-align: center; }
  .footer-links { justify-content: center; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .section { padding: 48px 0; }
  .contact-form-wrap { padding: 24px 16px; }
}