/* ==========================================
   SKY & MINT GREEN MODERN DESIGN SYSTEM
   ========================================== */

/* 1. Design Tokens */
:root {
  /* Sky & Mint Green Palette */
  --bg-primary: #F2F8F8;       /* Clean Soft Sky-Mint White */
  --bg-secondary: #E5F3F2;     /* Refreshing Light Mint */
  --bg-card: #FFFFFF;          /* Pure Crisp White */
  --bg-glass: rgba(255, 255, 255, 0.88);
  
  --text-primary: #112A2C;     /* Deep Mint Charcoal */
  --text-secondary: #476667;   /* Cool Slate Teal */
  --text-muted: #7E9E9F;       /* Soft Muted Mint */
  
  --accent-primary: #00A896;   /* Vibrant Mint Teal */
  --accent-hover: #028090;     /* Deep Sky Mint */
  --accent-soft: #E0F4F1;      /* Soft Mint Tint */
  --accent-sky: #0284C7;       /* Fresh Sky Blue */
  --accent-sky-soft: #E0F2FE;  /* Soft Sky Blue Tint */

  --border-light: #DCEEEB;
  --border-medium: #C5E3DF;

  /* Typography */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Shadows */
  --shadow-sm: 0 4px 12px rgba(0, 168, 150, 0.04);
  --shadow-md: 0 12px 32px rgba(0, 168, 150, 0.08);
  --shadow-lg: 0 24px 48px -12px rgba(17, 42, 44, 0.12);

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.85s cubic-bezier(0.25, 1, 0.35, 1);

  /* Layout */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 9999px;

  --max-width: 1280px;
}

/* 2. Base & Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.25;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  outline: none;
  background: none;
}

/* Utility Containers */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-padding {
  padding: 5.5rem 0;
}

@media (max-width: 768px) {
  .section-padding {
    padding: 3.5rem 0;
  }
}

/* Section Tag & Headers */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  background-color: var(--accent-soft);
  color: var(--accent-primary);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: var(--radius-pill);
  margin-bottom: 1.25rem;
}

.highlight-txt {
  position: relative;
  color: var(--accent-primary);
  font-weight: 800;
  display: inline-block;
  padding: 0 0.2em;
  z-index: 1;
}

.highlight-txt::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0.12em;
  width: 100%;
  height: 0.38em;
  background-color: rgba(0, 168, 150, 0.25);
  border-radius: 4px;
  z-index: -1;
}


.section-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.125rem;
  max-width: 640px;
  line-height: 1.6;
}

.text-center {
  text-align: center;
}
.center-block {
  margin-left: auto;
  margin-right: auto;
}

/* 3. Header & Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.2rem 0;
  transition: all var(--transition-normal);
  background-color: rgba(242, 248, 248, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
}

.navbar.scrolled {
  background-color: var(--bg-glass);
  box-shadow: 0 4px 20px rgba(0, 168, 150, 0.08);
  padding: 0.85rem 0;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.75rem; /* 로고 아이콘 추가로 MINHYUK 글자가 오른쪽으로 자연스럽게 이동 */
  cursor: pointer;
}

.logo-symbol-img {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  object-fit: contain;
  box-shadow: 0 2px 8px rgba(0, 168, 150, 0.12);
  transition: transform var(--transition-fast);
  background-color: #FFFFFF;
  border: 1px solid var(--border-light);
}

.logo:hover .logo-symbol-img {
  transform: scale(1.08) rotate(-2deg);
}









.logo:hover .logo-symbol-img {
  transform: scale(1.08) rotate(-2deg);
}

.logo-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-primary);
  border-radius: 50%;
  margin-left: -0.35rem;
}


.nav-links {
  display: flex;
  align-items: center;
  gap: 2.25rem;
  list-style: none;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  position: relative;
  padding: 0.25rem 0;
}

.nav-link:hover,
.nav-link.active {
  color: var(--accent-primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2.5px;
  background-color: var(--accent-primary);
  transition: width var(--transition-fast);
  border-radius: 2px;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.7rem 1.4rem;
  background-color: var(--accent-primary);
  color: #FFFFFF;
  font-weight: 600;
  font-size: 0.925rem;
  border-radius: var(--radius-pill);
  transition: all var(--transition-fast);
  box-shadow: 0 4px 14px rgba(0, 168, 150, 0.2);
}

.btn-cta:hover {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 168, 150, 0.35);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Connect 버튼 우측 연필 원 모양 버튼 */
.btn-admin-edit {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--sky-blue), var(--mint-green));
  color: var(--text-primary);
  border: 1px solid var(--mint-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 168, 150, 0.2);
  transition: all var(--transition-fast);
}

.btn-admin-edit:hover {
  transform: scale(1.1) rotate(12deg);
  box-shadow: 0 6px 16px rgba(0, 168, 150, 0.35);
  background: linear-gradient(135deg, #A8E5DF, #00A896);
  color: #FFFFFF;
}

.btn-admin-edit:active {
  transform: scale(0.95);
}


/* ==========================================
   ADMIN AUTH & CMS MODAL STYLES
   ========================================== */

.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(17, 42, 44, 0.65);
  backdrop-filter: blur(8px);
  z-index: 2500;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: all var(--transition-medium);
}

.modal-backdrop.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.admin-auth-card {
  background-color: #FFFFFF;
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 400px;
  padding: 2.5rem 2rem;
  position: relative;
  text-align: center;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-light);
  z-index: 2600;
  pointer-events: auto;
  animation: modalScaleUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}


.auth-icon-box {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: var(--mint-ultra-light);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin: 0 auto 1.25rem;
}

.auth-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.auth-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.auth-error-msg {
  color: #E63946;
  font-size: 0.85rem;
  font-weight: 600;
  margin-top: -0.5rem;
  margin-bottom: 1rem;
  min-height: 1.2rem;
}


/* CMS Dashboard Modal */
.admin-cms-backdrop {
  padding: 2rem 1rem;
}

.admin-cms-card {
  background-color: #FFFFFF;
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 1000px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-light);
  overflow: hidden;
  animation: modalScaleUp 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.cms-header {
  padding: 1.25rem 1.75rem;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.cms-title-group {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.cms-header-icon {
  font-size: 1.75rem;
  color: var(--accent-primary);
}

.cms-title-group h2 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.cms-title-group p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.cms-header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-cms-save {
  padding: 0.55rem 1.15rem;
  background-color: var(--accent-primary);
  color: #FFFFFF;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.btn-cms-save:hover {
  background-color: var(--accent-hover);
}

.btn-cms-reset {
  padding: 0.55rem 1rem;
  background-color: transparent;
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  cursor: pointer;
}

/* 비밀번호 마스킹 (검은 점 ●●●●●● 표시) */
.password-masked-input {
  text-align: center;
  letter-spacing: 0.35em;
  font-size: 1.25rem;
  font-weight: 800;
  -webkit-text-security: disc;
}

/* Quick Jump Chips */
.cms-tab-chip {
  padding: 0.5rem 0.95rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  background-color: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  text-decoration: none;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.cms-tab-chip:hover {
  color: var(--accent-primary);
  border-color: var(--mint-light);
  background-color: var(--mint-ultra-light);
}

/* Upload & Image Preview Styling */
.cms-file-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.35rem;
}

.cms-img-preview-sm {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  border: 1px solid var(--border-light);
  background-color: #FFFFFF;
}

.btn-file-upload {
  padding: 0.55rem 0.95rem;
  background-color: var(--sky-blue);
  color: var(--text-primary);
  border: 1px solid var(--mint-light);
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: all var(--transition-fast);
}

.btn-file-upload:hover {
  background-color: var(--mint-light);
  color: var(--accent-primary);
}

/* Image Cropper Modal */
.crop-card {
  background-color: #FFFFFF;
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 650px;
  padding: 2rem;
  position: relative;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  animation: modalScaleUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.crop-header h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.crop-header p {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.crop-ratio-bar {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;

  .crop-ratio-btn {
    padding: 0.4rem 0.85rem;
    font-size: 0.82rem;
    font-weight: 600;
    border-radius: 20px;
    border: 1px solid var(--border-light);
    background-color: #F8FAFC;
    color: var(--text-secondary);
    cursor: pointer;

    &.active {
      background-color: var(--accent-primary);
      color: #FFFFFF;
      border-color: var(--accent-primary);
    }
  }
}

.crop-canvas-container {
  width: 100%;
  max-height: 360px;
  background-color: #0F172A;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 1rem;
}

#cropCanvas {
  max-width: 100%;
  max-height: 320px;
  border: 2px dashed rgba(255, 255, 255, 0.4);
  border-radius: 4px;
}

.crop-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
}


.cms-divider {
  border: 0;
  height: 1px;
  background-color: var(--border-light);
  margin: 2rem 0;
}


/* Tabs */
.cms-nav-tabs {
  display: flex;
  gap: 0.25rem;
  background-color: #F8FAFC;
  padding: 0.5rem 1.25rem 0;
  border-bottom: 1px solid var(--border-light);
  overflow-x: auto;
}

.cms-tab-btn {
  padding: 0.65rem 1.1rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.cms-tab-btn.active {
  color: var(--accent-primary);
  border-bottom-color: var(--accent-primary);
  background-color: #FFFFFF;
  border-top-left-radius: 6px;
  border-top-right-radius: 6px;
}

/* Body Content & Panels */
.cms-body-content {
  padding: 1.5rem 1.75rem;
  overflow-y: auto;
  flex: 1;
}

.cms-tab-panel {
  display: none;
}

.cms-tab-panel.active {
  display: block;
}

.cms-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.cms-panel-header h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.btn-cms-add {
  padding: 0.45rem 0.85rem;
  background-color: var(--mint-ultra-light);
  color: var(--accent-primary);
  border: 1px solid var(--mint-light);
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
}

.btn-cms-add:hover {
  background-color: var(--mint-light);
}

/* Card item inside list */
.cms-item-card {
  background-color: #F8FAFC;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
  position: relative;
}

.cms-item-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;

  h4 {
    font-weight: 700;
    color: var(--text-primary);
    font-size: 0.95rem;
  }
}

.btn-cms-delete {
  background: none;
  border: none;
  color: #E63946;
  font-size: 0.85rem;
  cursor: pointer;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
}

.btn-cms-delete:hover {
  background-color: #FEE2E2;
}

.cms-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.cms-field {
  margin-bottom: 0.85rem;

  label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.35rem;
  }
}

.cms-input, .cms-textarea {
  width: 100%;
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--border-light);
  border-radius: 6px;
  font-size: 0.88rem;
  color: var(--text-primary);
  background-color: #FFFFFF;
  transition: border-color var(--transition-fast);

  &:focus {
    outline: none;
    border-color: var(--accent-primary);
  }
}

.cms-textarea {
  min-height: 70px;
  resize: vertical;
}


/* Mobile Toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  z-index: 1001;
}

.mobile-toggle span {
  width: 26px;
  height: 2.5px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

/* 4. Full Width Infinite Loop Hero Banner (영원히 밀어내는 5개 슬라이드 트랙) */
.hero {
  position: relative;
  padding-top: 5.5rem; /* 상단 인터페이스 보호 패딩 */
  margin-top: 0.5rem;
  width: 100%;
  overflow: hidden;
}

.hero-slider-container {
  position: relative;
  width: 100vw;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
  height: 520px;
  overflow: hidden;
  background-color: var(--accent-soft);
  box-shadow: 0 10px 30px rgba(17, 42, 44, 0.05);
}

/* Infinite Push Track (5개 슬라이드: 1, 2, 3, 4, 1(clone)) */
.hero-slider-track {
  display: flex;
  width: 500%; /* 5개 각 100vw */
  height: 100%;
  transition: transform 0.85s cubic-bezier(0.25, 1, 0.35, 1);
  will-change: transform;
}

.hero-slide {
  width: 20%; /* 500% 트랙 기준 1개당 100vw */
  height: 100%;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
  background-color: var(--bg-secondary);
}

.hero-slide-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.hero-slide-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(17, 42, 44, 0.15) 0%, rgba(17, 42, 44, 0.7) 100%);
  display: flex;
  align-items: flex-end;
  padding: 3.5rem 6vw;
}

.hero-slide-content {
  color: #FFFFFF;
  max-width: 800px;
}

.hero-badge {
  display: inline-block;
  padding: 0.35rem 1rem;
  background: rgba(0, 168, 150, 0.9);
  color: #FFFFFF;
  backdrop-filter: blur(8px);
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: 0.85rem;
}

.hero-slide-title {
  color: #FFFFFF;
  font-size: clamp(2rem, 3.8vw, 3rem);
  font-weight: 800;
  margin-bottom: 0.6rem;
  line-height: 1.2;
}

.hero-slide-desc {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 400;
  max-width: 680px;
}

/* Slider Controls Bar */
.hero-controls {
  position: absolute;
  bottom: 2rem;
  right: 6vw;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  background: rgba(17, 42, 44, 0.65);
  backdrop-filter: blur(14px);
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.hero-counter {
  color: #FFFFFF;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
}

.hero-progress-bar {
  width: 100px;
  height: 3.5px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 3px;
  overflow: hidden;
  position: relative;
}

.hero-progress-fill {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0%;
  background: var(--accent-primary);
  border-radius: 3px;
}

.hero-btn-nav {
  color: #FFFFFF;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.hero-btn-nav:hover {
  background: var(--accent-primary);
  transform: scale(1.05);
}

/* 5. Scroll Reveal System */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 { transition-delay: 0.15s; }
.delay-2 { transition-delay: 0.3s; }
.delay-3 { transition-delay: 0.45s; }

/* 6. About Section (프로필 사진 자리 알맞은 크기로 정돈) */
.about-grid {
  display: grid;
  grid-template-columns: 360px 1fr; /* 프로필 크기 360px 아담하고 균형 있게 축소 */
  gap: 3.5rem;
  align-items: center;
}

.about-img-wrapper {
  position: relative;
  max-width: 360px;
}

.about-img-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-light);
}

.about-img-card img {
  width: 100%;
  height: auto;
  aspect-ratio: 4/5;
  object-fit: cover;
}

.about-experience-badge {
  position: absolute;
  bottom: -18px;
  right: -18px;
  background-color: var(--accent-primary);
  color: #FFFFFF;
  padding: 1rem 1.4rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.exp-num {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
}

.exp-txt {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.about-text-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.about-lead {
  font-size: 1.25rem;
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.6;
}

.about-body {
  color: var(--text-secondary);
  font-size: 1.05rem;
}

.skills-tags-wrapper {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 0.5rem;
}

.skill-tag {
  padding: 0.55rem 1.2rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.skill-tag:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  background-color: var(--accent-soft);
  transform: translateY(-2px);
}

/* Feature Cards Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
  margin-top: 3.5rem;
}

.feature-card {
  background-color: var(--bg-card);
  padding: 2.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent-primary);
}

.feature-icon {
  width: 54px;
  height: 54px;
  background-color: var(--accent-soft);
  color: var(--accent-primary);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

.feature-title {
  font-size: 1.25rem;
  margin-bottom: 0.6rem;
}

.feature-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* 7. Works / Portfolio Section */
.works-section {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.filter-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin: 2.5rem 0 3.5rem;
}

.filter-btn {
  padding: 0.65rem 1.5rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.925rem;
  color: var(--text-secondary);
  background-color: var(--bg-card);
  border: 1px solid var(--border-medium);
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  color: var(--accent-primary);
  border-color: var(--accent-primary);
}

.filter-btn.active {
  background-color: var(--accent-primary);
  color: #FFFFFF;
  border-color: var(--accent-primary);
  box-shadow: 0 4px 14px rgba(0, 168, 150, 0.25);
}

.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.work-card {
  background-color: var(--bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  cursor: pointer;
  display: flex;
  flex-direction: column;
}

.work-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--border-medium);
}

.work-img-box {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--bg-secondary);
}

/* 작품 카드 좌측 상단 제작 날짜 뱃지 (예: 2026.08) */
.work-date-badge {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  background: rgba(17, 42, 44, 0.8);
  color: #00F5D4;
  backdrop-filter: blur(8px);
  border: 1px solid rgba(0, 245, 212, 0.35);
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.28rem 0.68rem;
  border-radius: var(--radius-full);
  z-index: 5;
  letter-spacing: 0.05em;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
  transition: transform var(--transition-fast);
}

.work-card:hover .work-date-badge {
  transform: translateY(-2px);
  background: rgba(0, 168, 150, 0.9);
  color: #FFFFFF;
  border-color: #FFFFFF;
}


.work-img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.work-card:hover .work-img-box img {
  transform: scale(1.06);
}

.work-overlay {
  position: absolute;
  inset: 0;
  background: rgba(17, 42, 44, 0.45);
  opacity: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity var(--transition-fast);
}

.work-card:hover .work-overlay {
  opacity: 1;
}

.work-view-icon {
  width: 48px;
  height: 48px;
  background-color: #FFFFFF;
  color: var(--accent-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transform: scale(0.8);
  transition: transform var(--transition-fast);
}

.work-card:hover .work-view-icon {
  transform: scale(1);
}

.work-info {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex-grow: 1;
}

.work-category {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-primary);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.work-title {
  font-size: 1.25rem;
  font-weight: 700;
}

.work-desc {
  color: var(--text-secondary);
  font-size: 0.925rem;
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 8. Portfolio Modal */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background-color: rgba(17, 42, 44, 0.75);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.modal-box {
  background-color: var(--bg-card);
  width: 100%;
  max-width: 860px;
  max-height: 90vh;
  border-radius: var(--radius-lg);
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  position: relative;
  transform: translateY(30px) scale(0.96);
  transition: transform var(--transition-normal);
}

.modal-backdrop.active .modal-box {
  transform: translateY(0) scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  z-index: 10;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  background: var(--accent-primary);
  color: #FFFFFF;
}

.modal-header-img {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  background-color: #E2F4F3;
}

.modal-body-content {
  padding: 2.5rem;
}

.modal-category {
  display: inline-block;
  padding: 0.3rem 0.8rem;
  background-color: var(--accent-soft);
  color: var(--accent-primary);
  font-size: 0.825rem;
  font-weight: 700;
  border-radius: var(--radius-pill);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
}

.modal-title {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.modal-details-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2.5rem;
  margin-top: 1.5rem;
}

.modal-long-desc {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.7;
}

.modal-meta-box {
  background-color: var(--bg-secondary);
  padding: 1.5rem;
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  border: 1px solid var(--border-light);
}

.meta-item-title {
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 700;
  letter-spacing: 0.05em;
}

.meta-item-value {
  font-weight: 600;
  font-size: 0.95rem;
}

/* 9. Experience / Career Timeline */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 3.5rem auto 0;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2.5px;
  background-color: var(--border-medium);
}

.timeline-item {
  position: relative;
  margin-bottom: 2.75rem;
}

.timeline-dot {
  position: absolute;
  left: -2rem;
  top: 0.35rem;
  transform: translateX(-50%);
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background-color: var(--bg-primary);
  border: 3.5px solid var(--accent-primary);
}

.timeline-content {
  background-color: var(--bg-card);
  padding: 1.75rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
}

.timeline-date {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: 0.35rem;
}

.timeline-role {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.timeline-company {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
  font-weight: 600;
}

.timeline-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* 10. Contact Section */
.contact-card {
  background-color: var(--text-primary);
  color: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 4.5rem 3.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  box-shadow: var(--shadow-lg);
}

.contact-info h2 {
  color: #FFFFFF;
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  margin-bottom: 1rem;
}

.contact-info p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

.email-copy-box {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-pill);
}

.email-text {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.05rem;
  color: #FFFFFF;
}

.btn-copy {
  background: var(--accent-primary);
  color: #FFFFFF;
  padding: 0.45rem 1.1rem;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 700;
  transition: background var(--transition-fast);
}

.btn-copy:hover {
  background: var(--accent-hover);
}

/* Contact Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #FFFFFF;
  font-family: inherit;
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--accent-primary);
  background: rgba(255, 255, 255, 0.14);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.btn-submit {
  padding: 1rem 2rem;
  background-color: var(--accent-primary);
  color: #FFFFFF;
  font-weight: 700;
  font-size: 1rem;
  border-radius: var(--radius-pill);
  transition: all var(--transition-fast);
  margin-top: 0.5rem;
  box-shadow: 0 4px 14px rgba(0, 168, 150, 0.3);
}

.btn-submit:hover {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 168, 150, 0.45);
}

/* 11. Toast Notification */
.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background-color: var(--text-primary);
  color: #FFFFFF;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-lg);
  z-index: 3000;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  font-size: 0.95rem;
  opacity: 0;
  transition: all var(--transition-normal);
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.toast-icon {
  color: var(--accent-primary);
  font-size: 1.1rem;
}

/* 12. Footer */
.footer {
  padding: 3rem 0;
  border-top: 1px solid var(--border-light);
  color: var(--text-secondary);
  font-size: 0.9rem;
  background-color: var(--bg-primary);
}

.footer-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.social-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  list-style: none;
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.social-link:hover {
  background-color: var(--accent-primary);
  color: #FFFFFF;
  border-color: var(--accent-primary);
  transform: translateY(-3px);
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .features-grid,
  .works-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .about-img-wrapper {
    margin: 0 auto;
  }
  .contact-card {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .hero-slider-container {
    height: 440px;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background-color: var(--bg-primary);
    flex-direction: column;
    justify-content: center;
    gap: 2rem;
    box-shadow: var(--shadow-lg);
    transition: right var(--transition-normal);
    z-index: 1000;
  }

  .nav-links.mobile-active {
    right: 0;
  }

  .mobile-toggle {
    display: flex;
  }

  .features-grid,
  .works-grid {
    grid-template-columns: 1fr;
  }

  .hero-slider-container {
    height: 360px;
  }

  .hero-slide-overlay {
    padding: 2rem 1.5rem;
  }

  .hero-controls {
    bottom: 1.5rem;
    right: 1.5rem;
    padding: 0.4rem 0.85rem;
  }

  .contact-card {
    padding: 2.5rem 1.5rem;
  }

  .footer-container {
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
  }
}