/* ==========================================================================
   UPCORE LAB Co., Ltd. - Unified Style Sheet
   Architecture: Single Left Baseline Layout & Responsive Grid
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design System & CSS Variables
   -------------------------------------------------------------------------- */
:root {
  /* Colors - Dark Mode Neutral Palette */
  --bg-obsidian: #0d0e10;
  --bg-dark-panel: #15171a;
  --bg-slate-panel: #1c1f24;
  --bg-ivory: #f5f4f0;
  --bg-ivory-dark: #e8e6df;
  
  /* Brand Accent Color (Dark Orange) */
  --accent-rust: #e24a28;
  --accent-rust-hover: #f15532;
  --accent-rust-subtle: rgba(226, 74, 40, 0.12);
  --accent-rust-on-light: #c83a1a;
  
  /* Text Colors - Dark Background */
  --text-light-primary: #f2f4f7;
  --text-light-secondary: #a3aab5;
  --text-light-muted: #78808c;
  
  /* Text Colors - Light Background */
  --text-dark-primary: #111315;
  --text-dark-secondary: #3a3f47;
  --text-dark-muted: #5c6370;
  
  /* Borders */
  --border-dark: rgba(255, 255, 255, 0.12);
  --border-dark-subtle: rgba(255, 255, 255, 0.06);
  --border-light: rgba(0, 0, 0, 0.12);
  --border-light-subtle: rgba(0, 0, 0, 0.06);
  
  /* Typography */
  --font-heading: 'SUITE Variable', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'SUIT Variable', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Layout Grid Variables */
  --site-max-width: 1400px;
  --header-height: 80px;
  --container-padding: 4rem; /* 64px */
  --grid-split-main: minmax(0, 32%) minmax(0, 68%);
  
  /* Motion */
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@media (max-width: 1200px) {
  :root {
    --container-padding: 2.5rem; /* 40px */
  }
}

@media (max-width: 900px) {
  :root {
    --container-padding: 2rem; /* 32px */
  }
}

@media (max-width: 640px) {
  :root {
    --container-padding: 1.25rem; /* 20px */
  }
}

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

html {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  scroll-behavior: smooth;
  background-color: var(--bg-obsidian);
  color: var(--text-light-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  width: 100%;
  min-height: 100vh;
  overflow-x: hidden;
  letter-spacing: -0.01em;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.35;
  color: inherit;
  letter-spacing: -0.02em;
  word-break: keep-all;
  overflow-wrap: break-word;
}

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

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

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

/* --------------------------------------------------------------------------
   3. Container & Layout Grid System
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--site-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.asymmetric-split {
  display: grid;
  grid-template-columns: 1fr;
  width: 100%;
  min-width: 0;
}

.asymmetric-split > * {
  min-width: 0;
}

@media (min-width: 901px) {
  .asymmetric-split-about,
  .asymmetric-split-business,
  .asymmetric-split-company {
    grid-template-columns: var(--grid-split-main);
  }
}

/* --------------------------------------------------------------------------
   4. Header Component
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 1000;
  background-color: var(--bg-obsidian);
  border-bottom: 1px solid var(--border-dark-subtle);
  transition: background-color var(--transition-fast);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
  width: 100%;
  max-width: var(--site-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.site-logo {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-light-primary);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.site-logo::before {
  content: '';
  display: inline-block;
  width: 10px;
  height: 10px;
  background-color: var(--accent-rust);
}

.main-nav ul {
  display: flex;
  list-style: none;
  gap: 2.5rem;
  align-items: center;
}

.main-nav a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-light-secondary);
  padding: 0.5rem 0;
  position: relative;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--text-light-primary);
}

.main-nav a.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--accent-rust);
}

/* Mobile Navigation Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  width: 28px;
  height: 20px;
  justify-content: center;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--text-light-primary);
  transition: transform var(--transition-fast);
}

@media (max-width: 900px) {
  .nav-toggle {
    display: flex;
  }
  
  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: var(--bg-obsidian);
    border-bottom: 1px solid var(--border-dark);
    padding: 1.5rem var(--container-padding);
    transform: translateY(-150%);
    transition: transform var(--transition-normal);
  }
  
  .main-nav.is-open {
    transform: translateY(0);
  }
  
  .main-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.25rem;
  }
}

/* --------------------------------------------------------------------------
   5. Hero Section
   -------------------------------------------------------------------------- */
.hero-section {
  position: relative;
  overflow: hidden;
  padding-top: var(--header-height);
  min-height: 100vh;
  display: flex;
  align-items: center;
  background-color: var(--bg-obsidian);
  border-bottom: 1px solid var(--border-dark);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.hero-scrim {
  position: absolute;
  inset: 0;
  background-color: rgba(10, 11, 13, 0.72);
}

.hero-section .container {
  position: relative;
  z-index: 2;
  padding-top: 5rem;
  padding-bottom: 5rem;
}

.hero-left {
  max-width: 780px;
  background: transparent;
  padding-left: 0;
  padding-right: 0;
}

.hero-tag {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-rust);
  margin-bottom: 1.75rem;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.hero-tag::before {
  content: '';
  display: block;
  width: 24px;
  height: 1px;
  background-color: var(--accent-rust);
}

.hero-title {
  font-size: clamp(2.2rem, 4.5vw, 3.6rem);
  font-weight: 700;
  color: var(--text-light-primary);
  line-height: 1.35;
  margin-bottom: 2.25rem;
  word-break: keep-all;
}

.hero-body {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-light-secondary);
  max-width: 620px;
  margin-bottom: 3rem;
  word-break: keep-all;
}

.hero-body p + p {
  margin-top: 1.25rem;
}

.hero-buttons {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2rem;
  font-size: 0.95rem;
  font-weight: 600;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
  text-align: center;
}

.btn-primary {
  background-color: var(--accent-rust);
  color: var(--text-light-primary);
}

.btn-primary:hover {
  background-color: var(--accent-rust-hover);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-light-primary);
  border: 1px solid var(--border-dark);
}

.btn-secondary:hover {
  border-color: var(--text-light-primary);
  background-color: rgba(255, 255, 255, 0.05);
  transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   6. About Section
   -------------------------------------------------------------------------- */
.about-section {
  background-color: var(--bg-ivory);
  color: var(--text-dark-primary);
  border-bottom: 1px solid var(--border-light);
  position: relative;
}

.about-section .container {
  padding-top: 6rem;
  padding-bottom: 6rem;
}

@media (max-width: 900px) {
  .about-section .container {
    padding-top: 4rem;
    padding-bottom: 4rem;
  }
}

.about-left {
  padding-right: 3rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

@media (max-width: 900px) {
  .about-left {
    padding-right: 0;
    margin-bottom: 3rem;
  }
}

.about-label {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-rust-on-light);
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  display: block;
}

.about-left-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  line-height: 1.35;
  color: var(--text-dark-primary);
  word-break: keep-all;
}

.about-right {
  background-color: var(--bg-obsidian);
  color: var(--text-light-primary);
  padding: 3rem;
  border: 1px solid var(--border-dark-subtle);
  min-width: 0;
}

@media (max-width: 640px) {
  .about-right {
    padding: 1.5rem 1.25rem;
  }
}

.about-body {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--text-light-secondary);
  margin-bottom: 3.5rem;
  word-break: keep-all;
}

.about-body p + p {
  margin-top: 1.5rem;
}

.about-highlight-box {
  padding: 2rem 2.25rem;
  background-color: var(--bg-dark-panel);
  border: 1px solid var(--border-dark-subtle);
  margin-bottom: 3.5rem;
}

@media (max-width: 640px) {
  .about-highlight-box {
    padding: 1.5rem 1.25rem;
  }
}

.about-highlight-text {
  font-family: var(--font-heading);
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  font-weight: 700;
  line-height: 1.5;
  color: var(--text-light-primary);
  word-break: keep-all;
}

/* Keyword Grid */
.keyword-matrix {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

@media (min-width: 1200px) {
  .keyword-matrix {
    grid-template-columns: repeat(4, 1fr);
  }
}

.keyword-card {
  padding: 1.75rem 1.5rem;
  background-color: var(--bg-slate-panel);
  border: 1px solid var(--border-dark-subtle);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.keyword-card:hover {
  border-color: var(--border-dark);
  transform: translateY(-2px);
}

.keyword-num {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-rust);
}

.keyword-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-light-primary);
}

/* --------------------------------------------------------------------------
   7. Business Section
   -------------------------------------------------------------------------- */
.business-section {
  background-color: var(--bg-obsidian);
  color: var(--text-light-primary);
  position: relative;
  border-bottom: 1px solid var(--border-dark);
}

.business-section .container {
  padding-top: 6rem;
  padding-bottom: 6rem;
}

@media (max-width: 900px) {
  .business-section .container {
    padding-top: 4rem;
    padding-bottom: 4rem;
  }
}

.business-left {
  padding-right: 3.5rem;
}

@media (min-width: 901px) {
  .asymmetric-split-business {
    align-items: start;
  }
  .business-left {
    position: sticky;
    top: calc(var(--header-height) + 2rem);
    align-self: start;
    height: fit-content;
  }
}

@media (max-width: 900px) {
  .business-left {
    padding-right: 0;
    margin-bottom: 4rem;
  }
}

.business-label {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-rust);
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  display: block;
}

.business-main-title {
  font-size: clamp(1.75rem, 2.8vw, 2.4rem);
  font-weight: 800;
  line-height: 1.35;
  color: var(--text-light-primary);
  margin-bottom: 2rem;
  word-break: keep-all;
}

.business-intro {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-light-secondary);
  word-break: keep-all;
}

.business-intro p + p {
  margin-top: 1.25rem;
}

/* Business Right Column */
.business-right {
  padding-left: 1rem;
  min-width: 0;
}

@media (max-width: 900px) {
  .business-right {
    padding-left: 0;
  }
}

.business-stream {
  display: flex;
  flex-direction: column;
  gap: 5rem;
}

.business-item {
  padding-bottom: 4rem;
  border-bottom: 1px solid var(--border-dark-subtle);
}

.business-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.business-item-header {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  margin-bottom: 2rem;
}

.business-index {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent-rust);
  background-color: var(--accent-rust-subtle);
  padding: 0.4rem 0.9rem;
  line-height: 1;
  flex-shrink: 0;
}

.business-item-title-wrap h3 {
  font-size: clamp(1.4rem, 2.2vw, 1.85rem);
  font-weight: 700;
  color: var(--text-light-primary);
  line-height: 1.4;
  word-break: keep-all;
}

.business-item-body {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-light-secondary);
  margin-bottom: 2.5rem;
  word-break: keep-all;
}

.business-item-body p + p {
  margin-top: 1.25rem;
}

/* Business 01 Meta Grid */
.b1-meta-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

@media (min-width: 768px) {
  .b1-meta-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.meta-block {
  background-color: var(--bg-dark-panel);
  padding: 1.75rem;
  border: 1px solid var(--border-dark-subtle);
}

.meta-block-title {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--accent-rust);
  margin-bottom: 1rem;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  list-style: none;
}

.tag-list li {
  font-size: 0.88rem;
  background-color: var(--bg-slate-panel);
  color: var(--text-light-primary);
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--border-dark-subtle);
}

.b1-bottom-note {
  font-size: 0.95rem;
  color: var(--text-light-muted);
  padding: 1.25rem 1.5rem;
  background-color: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-dark-subtle);
}

/* Business 02 Sequence */
.workflow-container {
  margin-bottom: 2.5rem;
}

.workflow-label {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--accent-rust);
  margin-bottom: 1rem;
}

.workflow-steps {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  list-style: none;
}

@media (min-width: 768px) {
  .workflow-steps {
    grid-template-columns: repeat(4, 1fr);
  }
}

.step-card {
  background-color: var(--bg-dark-panel);
  border: 1px solid var(--border-dark-subtle);
  padding: 1.5rem 1.25rem;
  text-align: center;
  position: relative;
}

.step-num {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-light-muted);
  margin-bottom: 0.4rem;
  display: block;
}

.step-name {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-light-primary);
}

/* Custom CSS Rotated Border Line for workflow separator (Strictly NO unicode arrows) */
@media (min-width: 768px) {
  .step-card:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 50%;
    right: -10px;
    width: 8px;
    height: 8px;
    border-top: 1px solid var(--accent-rust);
    border-right: 1px solid var(--accent-rust);
    transform: translateY(-50%) rotate(45deg);
    z-index: 5;
  }
}

/* Business 03 Featured Sub-Service: Envoys Club */
.sub-service-card {
  margin-top: 3rem;
  padding: 2.75rem 2.5rem;
  background-color: var(--bg-dark-panel);
  border: 1px solid var(--border-dark-subtle);
  position: relative;
}

@media (max-width: 640px) {
  .sub-service-card {
    padding: 1.75rem 1.25rem;
  }
}

.sub-service-badge {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-light-primary);
  background-color: var(--accent-rust);
  padding: 0.3rem 0.75rem;
  display: inline-block;
  margin-bottom: 1.5rem;
}

.sub-service-name {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-light-primary);
  line-height: 1.2;
}

.sub-service-name-ko {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent-rust);
  margin-bottom: 1.5rem;
}

.sub-service-desc {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-light-secondary);
  margin-bottom: 2rem;
  word-break: keep-all;
}

.sub-service-desc p + p {
  margin-top: 1rem;
}

.btn-link {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1.75rem;
  background-color: var(--accent-rust);
  color: var(--text-light-primary);
  font-weight: 600;
  font-size: 0.9rem;
}

.btn-link:hover {
  background-color: var(--accent-rust-hover);
}

/* Custom CSS rotated square arrow indicator (NO unicode arrow) */
.btn-arrow-icon {
  width: 6px;
  height: 6px;
  border-top: 2px solid currentColor;
  border-right: 2px solid currentColor;
  transform: rotate(45deg);
  display: inline-block;
}

/* --------------------------------------------------------------------------
   8. Company Section
   -------------------------------------------------------------------------- */
.company-section {
  background-color: var(--bg-ivory);
  color: var(--text-dark-primary);
  border-bottom: 1px solid var(--border-light);
  position: relative;
}

.company-section .container {
  padding-top: 6rem;
  padding-bottom: 6rem;
}

@media (max-width: 900px) {
  .company-section .container {
    padding-top: 4rem;
    padding-bottom: 4rem;
  }
}

.company-left {
  padding-right: 3rem;
}

@media (max-width: 900px) {
  .company-left {
    padding-right: 0;
    margin-bottom: 3rem;
  }
}

.company-label {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-rust-on-light);
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  display: block;
}

.company-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  color: var(--text-dark-primary);
}

.company-right {
  padding-left: 1rem;
  min-width: 0;
}

@media (max-width: 900px) {
  .company-right {
    padding-left: 0;
  }
}

/* Company Table */
.company-table-wrap {
  width: 100%;
  overflow-x: auto;
}

.company-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.company-table tr {
  border-bottom: 1px solid var(--border-light);
}

.company-table tr:first-child {
  border-top: 2px solid var(--text-dark-primary);
}

.company-table th {
  padding: 1.25rem 1.5rem 1.25rem 0;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-dark-primary);
  width: 25%;
  vertical-align: top;
}

.company-table td {
  padding: 1.25rem 0 1.25rem 1.5rem;
  font-size: 1rem;
  color: var(--text-dark-secondary);
  line-height: 1.6;
  width: 75%;
}

.company-table a {
  color: var(--accent-rust-on-light);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (max-width: 600px) {
  .company-table th, .company-table td {
    display: block;
    width: 100%;
    padding: 0.5rem 0;
  }
  .company-table td {
    padding-bottom: 1.25rem;
  }
}

/* --------------------------------------------------------------------------
   9. Notice Page Specific Styles (notice.html)
   -------------------------------------------------------------------------- */
.notice-page {
  padding-top: var(--header-height);
  min-height: 80vh;
  background-color: var(--bg-obsidian);
  color: var(--text-light-primary);
}

.notice-hero {
  padding-top: 5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--border-dark);
}

.notice-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--text-light-primary);
  margin-bottom: 1rem;
}

.notice-info {
  font-size: 1.05rem;
  color: var(--text-light-secondary);
}

.notice-content {
  padding-top: 4rem;
  padding-bottom: 5rem;
  overflow-x: auto;
}

.notice-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 4rem;
}

.notice-table th {
  padding: 1.25rem 1rem;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-light-primary);
  background-color: var(--bg-dark-panel);
  border-bottom: 2px solid var(--accent-rust);
  text-align: left;
}

.notice-table td {
  padding: 1.5rem 1rem;
  font-size: 0.95rem;
  color: var(--text-light-secondary);
  border-bottom: 1px solid var(--border-dark-subtle);
}

.notice-empty {
  text-align: center;
  padding: 4rem 1rem;
  color: var(--text-light-muted);
  font-size: 1rem;
}

.notice-back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent-rust);
}

.notice-back-link:hover {
  color: var(--accent-rust-hover);
}

.notice-back-arrow {
  width: 8px;
  height: 8px;
  border-bottom: 2px solid currentColor;
  border-left: 2px solid currentColor;
  transform: rotate(45deg);
  display: inline-block;
}

/* --------------------------------------------------------------------------
   10. Footer Component
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--bg-obsidian);
  color: var(--text-light-muted);
  border-top: 1px solid var(--border-dark);
  padding-top: 5rem;
  padding-bottom: 3rem;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  width: 100%;
  max-width: var(--site-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
  min-width: 0;
}

@media (min-width: 901px) {
  .footer-inner {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  }
}

.footer-brand {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-light-primary);
  margin-bottom: 1rem;
}

.footer-brand-en {
  font-size: 0.95rem;
  color: var(--text-light-secondary);
  margin-bottom: 1.5rem;
}

.footer-address {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-light-muted);
}

.footer-links {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-start;
  min-width: 0;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  list-style: none;
  margin-bottom: 2.5rem;
}

.footer-nav a {
  font-size: 0.95rem;
  color: var(--text-light-secondary);
}

.footer-nav a:hover {
  color: var(--accent-rust);
}

.footer-copyright {
  font-size: 0.85rem;
  color: var(--text-light-muted);
}

/* --------------------------------------------------------------------------
   11. Motion & Accessibility
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms;
    animation-iteration-count: 1;
    transition-duration: 0.01ms;
    scroll-behavior: auto;
  }

  .hero-video {
    display: none;
  }
  
  .hero-bg {
    background-image: url('hero_poster.jpg');
    background-size: cover;
    background-position: center;
  }
}