/* ========================================
   MURUA KOREA - Premium Corporate Design System
   Advanced Semiconductor Materials & Strategic Supply Chain Solutions
   ======================================== */

/* ---- CSS Custom Properties ---- */
:root {
  /* Brand Colors */
  --deep-sea: #003c56;
  --deep-sea-dark: #002a3d;
  --air-blue: #ccd5d2;
  --steel-blue: #6c8fa3;
  --metal-brown: #bc944f;
  --metal-brown-light: #d4ad6a;
  --earth-red: #bf512c;
  --photo-green: #5f693a;
  
  /* Neutrals */
  --white: #ffffff;
  --off-white: #f8f7f5;
  --warm-gray-50: #faf9f7;
  --warm-gray-100: #f2f0ec;
  --warm-gray-200: #e8e5df;
  --warm-gray-300: #d4d0c8;
  --warm-gray-400: #a8a39a;
  --warm-gray-500: #7d786f;
  --warm-gray-600: #5a5650;
  --warm-gray-700: #3d3a36;
  --warm-gray-800: #2a2825;
  --black: #1a1917;
  
  /* Typography */
  --font-primary: 'Fira Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'Fira Code', 'SF Mono', 'Consolas', monospace;
  
  /* Font Sizes - Fluid */
  --text-xs: clamp(0.7rem, 0.65rem + 0.25vw, 0.8rem);
  --text-sm: clamp(0.8rem, 0.75rem + 0.25vw, 0.9rem);
  --text-base: clamp(0.95rem, 0.9rem + 0.25vw, 1.05rem);
  --text-lg: clamp(1.1rem, 1rem + 0.5vw, 1.25rem);
  --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
  --text-2xl: clamp(1.5rem, 1.25rem + 1.25vw, 2rem);
  --text-3xl: clamp(1.8rem, 1.4rem + 2vw, 2.75rem);
  --text-4xl: clamp(2.2rem, 1.6rem + 3vw, 3.5rem);
  --text-5xl: clamp(2.8rem, 1.8rem + 5vw, 4.5rem);
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;
  --space-6xl: 10rem;
  
  /* Layout */
  --container-max: 1280px;
  --container-narrow: 960px;
  --container-wide: 1440px;
  --nav-height: 72px;
  
  /* Effects */
  --shadow-sm: 0 1px 3px rgba(0, 60, 86, 0.06);
  --shadow-md: 0 4px 16px rgba(0, 60, 86, 0.08);
  --shadow-lg: 0 8px 32px rgba(0, 60, 86, 0.1);
  --shadow-xl: 0 16px 48px rgba(0, 60, 86, 0.12);
  --shadow-card: 0 2px 12px rgba(0, 60, 86, 0.06);
  --shadow-card-hover: 0 8px 32px rgba(0, 60, 86, 0.12);
  
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
  --transition-smooth: 600ms cubic-bezier(0.23, 1, 0.32, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-primary);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--warm-gray-700);
  background-color: var(--white);
  overflow-x: hidden;
}

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

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

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

ul, ol {
  list-style: none;
}

::selection {
  background-color: var(--deep-sea);
  color: var(--white);
}

/* ---- Typography ---- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  color: var(--deep-sea);
  line-height: 1.2;
  font-weight: 600;
  letter-spacing: -0.01em;
}

h1 { font-size: var(--text-5xl); font-weight: 700; letter-spacing: -0.025em; }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); font-weight: 600; }

p {
  margin-bottom: var(--space-md);
  color: var(--warm-gray-600);
}

p:last-child {
  margin-bottom: 0;
}

.eyebrow {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--metal-brown);
  margin-bottom: var(--space-md);
  display: inline-block;
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--warm-gray-500);
  max-width: 640px;
  line-height: 1.6;
}

/* ---- Layout Utilities ---- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.container--narrow {
  max-width: var(--container-narrow);
}

.container--wide {
  max-width: var(--container-wide);
}

.section {
  padding: var(--space-5xl) 0;
}

.section--sm {
  padding: var(--space-4xl) 0;
}

.section--lg {
  padding: var(--space-6xl) 0;
}

.section--deep-sea {
  background-color: var(--deep-sea);
  color: var(--white);
}

.section--deep-sea h2,
.section--deep-sea h3,
.section--deep-sea h4 {
  color: var(--white);
}

.section--deep-sea p {
  color: var(--air-blue);
}

.section--deep-sea .eyebrow {
  color: var(--metal-brown-light);
}

.section--warm {
  background-color: var(--warm-gray-50);
}

.section--off-white {
  background-color: var(--off-white);
}

.grid {
  display: grid;
  gap: var(--space-2xl);
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.flex {
  display: flex;
}

.flex--center {
  align-items: center;
  justify-content: center;
}

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

.text-center {
  text-align: center;
}

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }
.mb-3xl { margin-bottom: var(--space-3xl); }
.mb-4xl { margin-bottom: var(--space-4xl); }

/* ---- Navigation ---- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: all var(--transition-base);
}

.nav.scrolled {
  border-bottom-color: var(--warm-gray-200);
  box-shadow: var(--shadow-sm);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--deep-sea);
  letter-spacing: -0.02em;
  text-decoration: none;
}

.nav__logo-image {
  display: block;
  width: auto;
  height: 34px;
  max-width: 160px;
}

.nav__logo-text {
  display: inline-flex;
  align-items: baseline;
  line-height: 1;
}

.nav__logo-mark {
  width: 36px;
  height: 36px;
  background: var(--deep-sea);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.nav__logo-text span {
  color: var(--steel-blue);
  font-weight: 400;
  margin-left: 2px;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-2xl);
}

.nav__link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--warm-gray-600);
  transition: color var(--transition-base);
  position: relative;
  letter-spacing: 0.01em;
}

.nav__link:hover,
.nav__link.active {
  color: var(--deep-sea);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1.5px;
  background-color: var(--metal-brown);
  transition: width var(--transition-base);
}

.nav__link:hover::after,
.nav__link.active::after {
  width: 100%;
}

.nav__cta {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--white);
  background: var(--deep-sea);
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
  letter-spacing: 0.01em;
}

.nav__cta:hover {
  background: var(--deep-sea-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* Mobile Navigation */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  z-index: 1001;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--deep-sea);
  transition: all var(--transition-base);
  border-radius: 1px;
}

.nav__toggle.active span:nth-child(1) {
  transform: rotate(45deg) translateY(5px) translateX(5px);
}

.nav__toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav__toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translateY(-5px) translateX(5px);
}

.nav__mobile {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--white);
  z-index: 999;
  padding: calc(var(--nav-height) + var(--space-3xl)) var(--space-xl) var(--space-xl);
  flex-direction: column;
  gap: var(--space-lg);
}

.nav__mobile.active {
  display: flex;
}

.nav__mobile a {
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--deep-sea);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--warm-gray-200);
}

.nav__mobile a:last-child {
  border-bottom: none;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-left: var(--space-lg);
  padding: 4px 8px;
  border: 1px solid var(--warm-gray-300);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.85);
}

.lang-switch__btn {
  appearance: none;
  border: none;
  background: transparent;
  color: var(--warm-gray-600);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 4px 8px;
  border-radius: 999px;
  cursor: pointer;
  transition: all var(--transition-base);
}

.lang-switch__btn:hover {
  color: var(--deep-sea);
}

.lang-switch__btn.active {
  background: var(--deep-sea);
  color: var(--white);
}

.lang-switch__sep {
  color: var(--warm-gray-400);
  font-size: 11px;
  line-height: 1;
}

.nav__mobile .lang-switch {
  margin: 0 0 var(--space-md);
  width: fit-content;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-primary);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.btn--primary {
  background: var(--deep-sea);
  color: var(--white);
}

.btn--primary:hover {
  background: var(--deep-sea-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--secondary {
  background: transparent;
  color: var(--deep-sea);
  border: 1.5px solid var(--deep-sea);
}

.btn--secondary:hover {
  background: var(--deep-sea);
  color: var(--white);
  transform: translateY(-1px);
}

.btn--accent {
  background: var(--metal-brown);
  color: var(--white);
}

.btn--accent:hover {
  background: var(--metal-brown-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--ghost {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255, 255, 255, 0.4);
}

.btn--ghost:hover {
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.1);
}

.btn--sm {
  padding: 10px 20px;
  font-size: var(--text-xs);
}

.btn--lg {
  padding: 16px 40px;
  font-size: var(--text-base);
}

.btn-group {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.btn .arrow {
  transition: transform var(--transition-base);
  font-size: 1.1em;
}

.btn:hover .arrow {
  transform: translateX(3px);
}

/* ---- Hero ---- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--deep-sea) 0%, var(--deep-sea-dark) 60%, #001a26 100%);
  overflow: hidden;
  padding-top: var(--nav-height);
}

.hero__bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 0.06;
  background-image: 
    radial-gradient(ellipse at 20% 80%, var(--steel-blue) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, var(--metal-brown) 0%, transparent 50%);
}

.hero__grid-pattern {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 0.03;
  background-image: 
    linear-gradient(rgba(255,255,255,0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.1) 1px, transparent 1px);
  background-size: 80px 80px;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 780px;
  padding: var(--space-4xl) 0;
}

.hero__eyebrow {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--metal-brown-light);
  margin-bottom: var(--space-xl);
  display: inline-block;
}

.hero__title {
  font-size: var(--text-5xl);
  font-weight: 700;
  color: var(--white);
  line-height: 1.08;
  margin-bottom: var(--space-xl);
  letter-spacing: -0.03em;
}

.hero__subtitle {
  font-size: var(--text-lg);
  color: var(--air-blue);
  line-height: 1.6;
  max-width: 600px;
  margin-bottom: var(--space-3xl);
  font-weight: 400;
}

.hero__accent-line {
  width: 64px;
  height: 2px;
  background: var(--metal-brown);
  margin-bottom: var(--space-2xl);
}

.hero__scroll {
  position: absolute;
  bottom: var(--space-3xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  color: var(--air-blue);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.6;
  animation: gentleBounce 2s ease infinite;
}

@keyframes gentleBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ---- Page Hero (Internal Pages) ---- */
.page-hero {
  background: linear-gradient(135deg, var(--deep-sea) 0%, var(--deep-sea-dark) 100%);
  padding: calc(var(--nav-height) + var(--space-4xl)) 0 var(--space-4xl);
  position: relative;
  overflow: hidden;
}

.page-hero__bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 0.04;
  background-image: 
    linear-gradient(rgba(255,255,255,0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.1) 1px, transparent 1px);
  background-size: 80px 80px;
}

.page-hero__content {
  position: relative;
  z-index: 2;
}

.page-hero .eyebrow {
  color: var(--metal-brown-light);
}

.page-hero h1 {
  color: var(--white);
  font-size: var(--text-4xl);
  margin-bottom: var(--space-lg);
}

.page-hero p {
  color: var(--air-blue);
  font-size: var(--text-lg);
  max-width: 640px;
}

/* ---- Cards ---- */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  border: 1px solid var(--warm-gray-200);
  transition: all var(--transition-smooth);
}

.card:hover {
  border-color: var(--warm-gray-300);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px);
}

.card__icon {
  width: 56px;
  height: 56px;
  background: var(--off-white);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  color: var(--deep-sea);
  font-size: 1.4rem;
  border: 1px solid var(--warm-gray-200);
}

.card__title {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--deep-sea);
  margin-bottom: var(--space-sm);
}

.card__text {
  font-size: var(--text-sm);
  color: var(--warm-gray-500);
  line-height: 1.7;
}

.card--accent-top {
  border-top: 3px solid var(--metal-brown);
}

.card--dark {
  background: var(--deep-sea);
  border-color: rgba(255, 255, 255, 0.1);
}

.card--dark:hover {
  border-color: rgba(255, 255, 255, 0.2);
}

.card--dark .card__icon {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.12);
  color: var(--metal-brown-light);
}

.card--dark .card__title {
  color: var(--white);
}

.card--dark .card__text {
  color: var(--air-blue);
}

/* Material Card */
.material-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--warm-gray-200);
  transition: all var(--transition-smooth);
}

.material-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px);
}

.material-card__visual {
  height: 200px;
  position: relative;
  overflow: hidden;
}

.material-card__visual--copper {
  background: linear-gradient(135deg, #bc944f 0%, #d4ad6a 50%, #a07838 100%);
}

.material-card__visual--rare-earth {
  background: linear-gradient(135deg, var(--steel-blue) 0%, var(--deep-sea) 100%);
}

.material-card__visual--metals {
  background: linear-gradient(135deg, var(--warm-gray-400) 0%, var(--warm-gray-600) 100%);
}

.material-card__visual-pattern {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 0.15;
  background-image: 
    radial-gradient(circle at 30% 70%, rgba(255,255,255,0.3) 0%, transparent 50%),
    radial-gradient(circle at 70% 30%, rgba(255,255,255,0.2) 0%, transparent 50%);
}

.material-card__visual-label {
  position: absolute;
  bottom: var(--space-lg);
  left: var(--space-lg);
  color: var(--white);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  opacity: 0.8;
}

.material-card__body {
  padding: var(--space-2xl);
}

.material-card__title {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--deep-sea);
  margin-bottom: var(--space-sm);
}

.material-card__desc {
  font-size: var(--text-sm);
  color: var(--warm-gray-500);
  margin-bottom: var(--space-lg);
  line-height: 1.7;
}

.material-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.tag {
  font-size: var(--text-xs);
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 20px;
  background: var(--off-white);
  color: var(--warm-gray-600);
  border: 1px solid var(--warm-gray-200);
}

/* ---- Supply Chain Flow ---- */
.flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: var(--space-2xl) 0;
  flex-wrap: wrap;
}

.flow__step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  flex: 1;
  min-width: 140px;
  max-width: 200px;
  padding: var(--space-lg);
}

.flow__step-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--off-white);
  border: 2px solid var(--warm-gray-200);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  font-size: 1.3rem;
  color: var(--deep-sea);
  transition: all var(--transition-base);
}

.flow__step:hover .flow__step-icon {
  background: var(--deep-sea);
  border-color: var(--deep-sea);
  color: var(--white);
}

.flow__step-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--deep-sea);
  line-height: 1.4;
}

.flow__step-sub {
  font-size: var(--text-xs);
  color: var(--warm-gray-400);
  margin-top: 4px;
}

.flow__arrow {
  font-size: 1.2rem;
  color: var(--metal-brown);
  flex-shrink: 0;
  margin: 0 var(--space-sm);
}

/* Dark variant */
.section--deep-sea .flow__step-icon {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.15);
  color: var(--metal-brown-light);
}

.section--deep-sea .flow__step:hover .flow__step-icon {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--metal-brown-light);
}

.section--deep-sea .flow__step-label {
  color: var(--white);
}

.section--deep-sea .flow__step-sub {
  color: var(--air-blue);
}

.section--deep-sea .flow__arrow {
  color: var(--metal-brown-light);
}

/* ---- Section Header ---- */
.section-header {
  margin-bottom: var(--space-3xl);
}

.section-header--center {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.section-header h2 {
  margin-bottom: var(--space-md);
}

.section-header .accent-line {
  width: 48px;
  height: 2px;
  background: var(--metal-brown);
  margin-bottom: var(--space-lg);
}

.section-header--center .accent-line {
  margin-left: auto;
  margin-right: auto;
}

/* ---- Stats ---- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
}

.stat {
  text-align: center;
  padding: var(--space-xl);
}

.stat__number {
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--deep-sea);
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.stat__label {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--warm-gray-400);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.section--deep-sea .stat__number {
  color: var(--metal-brown-light);
}

.section--deep-sea .stat__label {
  color: var(--air-blue);
}

/* ---- Industry Section ---- */
.industry-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
}

.industry-item {
  padding: var(--space-2xl);
  border-left: 3px solid var(--warm-gray-200);
  transition: all var(--transition-base);
}

.industry-item:hover {
  border-left-color: var(--metal-brown);
  background: var(--warm-gray-50);
}

.industry-item__title {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--deep-sea);
  margin-bottom: var(--space-sm);
}

.industry-item__text {
  font-size: var(--text-sm);
  color: var(--warm-gray-500);
  line-height: 1.7;
}

/* ---- CTA Section ---- */
.cta-section {
  background: linear-gradient(135deg, var(--deep-sea) 0%, var(--deep-sea-dark) 100%);
  padding: var(--space-5xl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 0.04;
  background-image: 
    linear-gradient(rgba(255,255,255,0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.1) 1px, transparent 1px);
  background-size: 80px 80px;
}

.cta-section__content {
  position: relative;
  z-index: 2;
}

.cta-section h2 {
  color: var(--white);
  margin-bottom: var(--space-md);
}

.cta-section p {
  color: var(--air-blue);
  font-size: var(--text-lg);
  margin-bottom: var(--space-2xl);
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

/* ---- Contact Form ---- */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-group label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--deep-sea);
  margin-bottom: var(--space-sm);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-primary);
  font-size: var(--text-base);
  border: 1.5px solid var(--warm-gray-300);
  border-radius: var(--radius-sm);
  background: var(--white);
  color: var(--warm-gray-700);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--deep-sea);
  box-shadow: 0 0 0 3px rgba(0, 60, 86, 0.08);
}

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

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%237d786f' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 44px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

/* ---- Footer ---- */
.footer {
  background: var(--off-white);
  color: var(--warm-gray-600);
  padding: var(--space-4xl) 0 var(--space-xl);
  border-top: 1px solid var(--warm-gray-200);
}

.footer__top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-3xl);
  padding-bottom: var(--space-3xl);
  border-bottom: 1px solid var(--warm-gray-200);
}

.footer__brand {
  max-width: 320px;
}

.footer__brand-name {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--deep-sea);
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.footer__brand-name span {
  color: var(--steel-blue);
  font-weight: 400;
}

.footer__brand-logo {
  display: block;
  width: auto;
  height: 34px;
  max-width: 220px;
}

.footer__brand p {
  font-size: var(--text-sm);
  color: var(--warm-gray-600);
  line-height: 1.7;
}

.footer__col h5 {
  color: var(--deep-sea);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-lg);
}

.footer__col ul li {
  margin-bottom: var(--space-sm);
}

.footer__col ul li a {
  font-size: var(--text-sm);
  color: var(--warm-gray-600);
  transition: color var(--transition-base);
}

.footer__col ul li a:hover {
  color: var(--deep-sea);
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-xl);
  font-size: var(--text-xs);
  color: var(--warm-gray-500);
}

.footer__legal {
  display: flex;
  gap: var(--space-xl);
}

.footer__legal a {
  color: var(--warm-gray-500);
  transition: color var(--transition-base);
}

.footer__legal a:hover {
  color: var(--deep-sea);
}

/* ---- Divider ---- */
.divider {
  width: 100%;
  height: 1px;
  background: var(--warm-gray-200);
  border: none;
}

.divider--accent {
  height: 2px;
  background: linear-gradient(90deg, var(--metal-brown), transparent);
  max-width: 120px;
}

/* ---- Content Blocks ---- */
.content-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
}

.content-split--reverse {
  direction: rtl;
}

.content-split--reverse > * {
  direction: ltr;
}

.content-visual {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  min-height: 360px;
}

.content-visual--gradient-1 {
  background: linear-gradient(135deg, var(--deep-sea) 0%, var(--steel-blue) 100%);
}

.content-visual--gradient-2 {
  background: linear-gradient(135deg, var(--metal-brown) 0%, #d4ad6a 100%);
}

.content-visual--gradient-3 {
  background: linear-gradient(135deg, var(--warm-gray-600) 0%, var(--warm-gray-400) 100%);
}

.content-visual__inner {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2xl);
}

.content-visual__text {
  color: var(--white);
  font-size: var(--text-2xl);
  font-weight: 700;
  text-align: center;
  opacity: 0.3;
  letter-spacing: 0.05em;
}

.content-visual__logo {
  width: min(76%, 360px);
  height: auto;
  opacity: 0.95;
  filter: drop-shadow(0 8px 22px rgba(0, 0, 0, 0.22));
}

.content-visual__pattern {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 0.1;
  background-image: 
    radial-gradient(circle at 20% 80%, rgba(255,255,255,0.4) 0%, transparent 40%),
    radial-gradient(circle at 80% 20%, rgba(255,255,255,0.3) 0%, transparent 40%);
}

/* Feature list */
.feature-list {
  list-style: none;
  padding: 0;
  margin: var(--space-xl) 0 0;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
  font-size: var(--text-sm);
  color: var(--warm-gray-600);
}

.feature-list li::before {
  content: '';
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--metal-brown);
  margin-top: 7px;
}

/* ---- Process Steps ---- */
.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-2xl);
  counter-reset: step;
}

.process-step {
  counter-increment: step;
  padding: var(--space-xl) 0;
  position: relative;
}

.process-step::before {
  content: counter(step, decimal-leading-zero);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--warm-gray-200);
  line-height: 1;
  margin-bottom: var(--space-md);
  display: block;
}

.process-step h4 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-sm);
}

.process-step p {
  font-size: var(--text-sm);
  color: var(--warm-gray-500);
}

/* ---- Animations ---- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.fade-in-delay-1 { transition-delay: 100ms; }
.fade-in-delay-2 { transition-delay: 200ms; }
.fade-in-delay-3 { transition-delay: 300ms; }
.fade-in-delay-4 { transition-delay: 400ms; }
.fade-in-delay-5 { transition-delay: 500ms; }

/* ---- Contact Info ---- */
.contact-info {
  background: var(--off-white);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  border: 1px solid var(--warm-gray-200);
}

.contact-info__item {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  align-items: flex-start;
}

.contact-info__item:last-child {
  margin-bottom: 0;
}

.contact-info__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--white);
  border: 1px solid var(--warm-gray-200);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--deep-sea);
  font-size: 0.95rem;
}

.contact-info__label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--warm-gray-400);
  margin-bottom: 2px;
}

.contact-info__value {
  font-size: var(--text-sm);
  color: var(--warm-gray-700);
  font-weight: 500;
}

.contact-info__note {
  font-size: var(--text-xs);
  color: var(--warm-gray-400);
  font-style: italic;
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--warm-gray-200);
}

/* ---- Detail Page Sections ---- */
.detail-section {
  padding: var(--space-4xl) 0;
  border-bottom: 1px solid var(--warm-gray-100);
}

.detail-section:last-of-type {
  border-bottom: none;
}

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-3xl);
  align-items: start;
}

.detail-sidebar {
  position: sticky;
  top: calc(var(--nav-height) + var(--space-xl));
}

.detail-sidebar h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-sm);
}

.detail-sidebar .accent-line {
  width: 40px;
  height: 2px;
  background: var(--metal-brown);
  margin-bottom: var(--space-lg);
}

/* ---- Spec Table ---- */
.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.spec-table th {
  text-align: left;
  font-weight: 600;
  color: var(--deep-sea);
  padding: var(--space-md) var(--space-lg);
  background: var(--off-white);
  border-bottom: 2px solid var(--warm-gray-200);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.spec-table td {
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--warm-gray-100);
  color: var(--warm-gray-600);
}

.spec-table tr:hover td {
  background: var(--warm-gray-50);
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .content-split {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
  
  .content-split--reverse,
  .content-split[style*="direction: rtl"],
  .content-split[style*="direction:rtl"] {
    direction: ltr !important;
  }
  
  .footer__top {
    grid-template-columns: 1fr 1fr;
  }
  
  .stats {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .detail-grid {
    grid-template-columns: 1fr;
  }
  
  .detail-sidebar {
    position: static;
  }
}

@media (max-width: 768px) {
  :root {
    --nav-height: 64px;
  }

  .nav__logo-image {
    height: 30px;
    max-width: 140px;
  }

  .nav__logo-text {
    font-size: 1rem;
  }
  
  .nav__links {
    display: none;
  }

  .lang-switch {
    margin-left: auto;
    margin-right: var(--space-sm);
  }
  
  .nav__cta.desktop-only {
    display: none;
  }
  
  .nav__toggle {
    display: flex;
  }
  
  .section {
    padding: var(--space-4xl) 0;
  }
  
  .section--lg {
    padding: var(--space-4xl) 0;
  }
  
  .container {
    padding: 0 var(--space-lg);
  }
  
  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }
  
  .btn-group {
    flex-direction: column;
  }
  
  .btn-group .btn {
    text-align: center;
    justify-content: center;
  }
  
  .hero__content {
    padding: var(--space-3xl) 0;
  }
  
  .flow {
    flex-direction: column;
    gap: var(--space-md);
  }
  
  .flow__arrow {
    transform: rotate(90deg);
    margin: 0;
  }
  
  .flow__step {
    max-width: none;
    width: 100%;
    flex-direction: row;
    text-align: left;
    gap: var(--space-md);
    padding: var(--space-md);
  }
  
  .flow__step-icon {
    margin-bottom: 0;
    flex-shrink: 0;
    width: 48px;
    height: 48px;
  }
  
  .footer__top {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
  
  .footer__bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .stats {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
  }
  
  .stat {
    padding: var(--space-md);
  }
  
  .industry-grid {
    grid-template-columns: 1fr;
  }
  
  .process-steps {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
}

@media (max-width: 480px) {
  .hero {
    min-height: auto;
    padding-top: calc(var(--nav-height) + var(--space-2xl));
    padding-bottom: var(--space-3xl);
  }
  
  .hero__scroll {
    display: none;
  }
  
  .stats {
    grid-template-columns: 1fr;
  }
}

/* ---- Leadership Section ---- */

/* -- Homepage Preview -- */
.leadership-preview {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.leadership-preview__portrait {
  width: 200px;
  height: 240px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  flex-shrink: 0;
}

.leadership-preview__portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.leadership-preview__portrait-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(145deg, var(--deep-sea) 0%, var(--deep-sea-dark) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.leadership-preview__portrait-placeholder::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 0.06;
  background-image: 
    linear-gradient(rgba(255,255,255,0.15) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.15) 1px, transparent 1px);
  background-size: 24px 24px;
}

.leadership-preview__portrait-initials {
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--metal-brown-light);
  letter-spacing: 0.05em;
  position: relative;
  z-index: 1;
  opacity: 0.7;
}

.leadership-preview__body {
  min-width: 0;
}

.leadership-preview__meta {
  margin-bottom: var(--space-lg);
}

.leadership-preview__name {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--deep-sea);
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}

.leadership-preview__title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--metal-brown);
  letter-spacing: 0.02em;
}

.leadership-preview__subtitle {
  font-size: var(--text-xs);
  color: var(--warm-gray-400);
  margin-top: 2px;
}

.leadership-preview__bio {
  font-size: var(--text-sm);
  color: var(--warm-gray-600);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
  max-width: 600px;
}

.leadership-preview__highlights {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-xl) 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.leadership-preview__highlights li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-sm);
  color: var(--warm-gray-600);
}

.leadership-preview__highlights li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--metal-brown);
  flex-shrink: 0;
}

/* -- About Page Full Leadership -- */
.leadership-full {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--space-4xl);
  align-items: start;
}

.leadership-full__sidebar {
  position: sticky;
  top: calc(var(--nav-height) + var(--space-2xl));
}

.leadership-full__portrait {
  width: 100%;
  aspect-ratio: 5 / 6;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--space-xl);
  position: relative;
}

.leadership-full__portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.leadership-full__portrait-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(145deg, var(--deep-sea) 0%, var(--deep-sea-dark) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.leadership-full__portrait-placeholder::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 0.06;
  background-image: 
    linear-gradient(rgba(255,255,255,0.15) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.15) 1px, transparent 1px);
  background-size: 24px 24px;
}

.leadership-full__portrait-initials {
  font-size: var(--text-4xl);
  font-weight: 700;
  color: var(--metal-brown-light);
  letter-spacing: 0.05em;
  position: relative;
  z-index: 1;
  opacity: 0.6;
}

.leadership-full__sidebar-name {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--deep-sea);
  margin-bottom: 4px;
}

.leadership-full__sidebar-title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--metal-brown);
  margin-bottom: 2px;
}

.leadership-full__sidebar-subtitle {
  font-size: var(--text-xs);
  color: var(--warm-gray-400);
  margin-bottom: var(--space-md);
}

.leadership-full__sidebar-credentials {
  font-size: var(--text-xs);
  color: var(--warm-gray-500);
  padding-top: var(--space-md);
  border-top: 1px solid var(--warm-gray-200);
  letter-spacing: 0.02em;
}

.leadership-full__content {
  min-width: 0;
}

.leadership-full__section-title {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--warm-gray-400);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--warm-gray-200);
}

.leadership-full__bio {
  font-size: var(--text-base);
  color: var(--warm-gray-600);
  line-height: 1.8;
  margin-bottom: var(--space-3xl);
}

.leadership-full__role {
  font-size: var(--text-sm);
  color: var(--warm-gray-600);
  line-height: 1.7;
  margin-bottom: var(--space-3xl);
  padding-left: var(--space-lg);
  border-left: 3px solid var(--metal-brown);
}

.leadership-full__highlights {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-3xl) 0;
  display: grid;
  gap: var(--space-md);
}

.leadership-full__highlights li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  font-size: var(--text-sm);
  color: var(--warm-gray-600);
  line-height: 1.6;
}

.leadership-full__highlights li::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--metal-brown);
  flex-shrink: 0;
  margin-top: 7px;
}

.leadership-full__quote {
  position: relative;
  padding: var(--space-2xl);
  background: var(--off-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--warm-gray-200);
}

.leadership-full__quote::before {
  content: '"';
  position: absolute;
  top: var(--space-md);
  left: var(--space-lg);
  font-size: 3rem;
  font-weight: 700;
  color: var(--metal-brown);
  opacity: 0.3;
  line-height: 1;
  font-family: Georgia, 'Times New Roman', serif;
}

.leadership-full__quote blockquote {
  font-size: var(--text-base);
  color: var(--warm-gray-600);
  font-style: italic;
  line-height: 1.7;
  padding-left: var(--space-xl);
  margin: 0;
}

.leadership-full__quote cite {
  display: block;
  font-size: var(--text-xs);
  color: var(--warm-gray-400);
  font-style: normal;
  margin-top: var(--space-md);
  padding-left: var(--space-xl);
}

/* -- Leadership Responsive -- */
@media (max-width: 1024px) {
  .leadership-full {
    grid-template-columns: 220px 1fr;
    gap: var(--space-2xl);
  }
  
  .leadership-full__sidebar {
    position: static;
  }
}

@media (max-width: 768px) {
  .leadership-preview {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .leadership-preview__portrait {
    width: 160px;
    height: 192px;
    margin: 0 auto;
  }
  
  .leadership-preview__bio {
    max-width: none;
  }
  
  .leadership-preview__highlights {
    align-items: center;
  }
  
  .leadership-preview .btn-group {
    justify-content: center;
  }
  
  .leadership-full {
    grid-template-columns: 1fr;
  }
  
  .leadership-full__sidebar {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  
  .leadership-full__portrait {
    max-width: 200px;
  }
}

/* ---- Quick Links ---- */
.quick-link {
  color: var(--air-blue);
  font-size: var(--text-sm);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  transition: color var(--transition-base), transform var(--transition-base);
  padding: var(--space-xs) 0;
}

.quick-link:hover {
  color: var(--white);
  transform: translateX(4px);
}

.quick-link i {
  color: var(--metal-brown-light);
  width: 20px;
  text-align: center;
}

/* ---- Focus Styles (Accessibility) ---- */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--deep-sea);
  outline-offset: 2px;
}

.btn:focus-visible {
  outline: 2px solid var(--metal-brown);
  outline-offset: 3px;
}

/* ---- Skip Link (Accessibility) ---- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  padding: var(--space-md) var(--space-xl);
  background: var(--deep-sea);
  color: var(--white);
  z-index: 10000;
  font-weight: 600;
}

.skip-link:focus {
  top: 0;
}

/* ---- Print ---- */
@media print {
  .nav, .hero__scroll, .nav__mobile {
    display: none;
  }
  
  .hero {
    min-height: auto;
    padding: var(--space-2xl) 0;
  }
  
  .section {
    padding: var(--space-xl) 0;
  }
  
  body {
    color: #000;
  }
}