/* ============================================================
   MIDOR GROUP – MAIN STYLESHEET v1.0
   Design System: Premium B2B Corporate
   ============================================================ */

/* ---- DESIGN TOKENS ---- */
:root {
  --primary-black: #1A1A1A;
  --graphite: #333333;
  --mid-grey: #8A8A8A;
  --light-grey: #F2F2F2;
  --white: #FFFFFF;
  --premium-accent: #A98C45;
  --premium-accent-light: #C4A96A;
  --premium-accent-dark: #8A7035;

  --font-primary: 'Inter', 'Arial', 'Helvetica Neue', sans-serif;
  --font-cjk: 'Noto Sans SC', 'Noto Sans KR', 'Noto Sans', sans-serif;

  --transition-fast: 0.2s ease;
  --transition-mid: 0.4s ease;
  --transition-slow: 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);

  --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.12);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.18);

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;

  --max-width: 1280px;
  --section-padding: 100px 0;
  --section-padding-mobile: 60px 0;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-primary);
  color: var(--primary-black);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

body.lang-zh, body.lang-ko, body.lang-vi {
  font-family: var(--font-cjk);
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

/* ---- TYPOGRAPHY ---- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.8rem); }
h4 { font-size: 1.2rem; }
h5 { font-size: 1rem; }

p {
  line-height: 1.75;
  color: var(--graphite);
}

.text-accent { color: var(--premium-accent); }
.text-muted { color: var(--mid-grey); }
.text-white { color: var(--white); }
.text-center { text-align: center; }

/* ---- LAYOUT ---- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: var(--section-padding);
}

.section--grey {
  background: var(--light-grey);
}

.section--dark {
  background: var(--primary-black);
  color: var(--white);
}

.section--dark p {
  color: rgba(255,255,255,0.75);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

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

/* ---- HEADER / NAVIGATION ---- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0,0,0,0.08);
  transition: box-shadow var(--transition-fast), background var(--transition-fast);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  padding: 0 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo img {
  height: 36px;
  width: auto;
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--primary-black);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.main-nav a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--graphite);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
  white-space: nowrap;
}

.main-nav a:hover {
  color: var(--primary-black);
  background: var(--light-grey);
}

.main-nav a.active {
  color: var(--premium-accent);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Language Switcher */
.lang-switcher {
  position: relative;
}

.lang-switcher-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--mid-grey);
  padding: 6px 10px;
  border: 1px solid rgba(0,0,0,0.12);
  border-radius: var(--radius-sm);
  cursor: pointer;
  background: transparent;
  transition: all var(--transition-fast);
}

.lang-switcher-btn:hover {
  border-color: var(--premium-accent);
  color: var(--premium-accent);
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--white);
  border: 1px solid rgba(0,0,0,0.1);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  min-width: 160px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition-fast);
  z-index: 100;
}

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

.lang-dropdown a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  font-size: 0.875rem;
  color: var(--graphite);
  transition: background var(--transition-fast);
}

.lang-dropdown a:hover {
  background: var(--light-grey);
  color: var(--primary-black);
}

.lang-dropdown a.active {
  color: var(--premium-accent);
  font-weight: 600;
}

/* Mobile Nav Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  border: none;
  background: transparent;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--primary-black);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.nav-toggle.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 2px solid transparent;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--premium-accent);
  color: var(--white);
  border-color: var(--premium-accent);
}

.btn-primary:hover {
  background: var(--premium-accent-dark);
  border-color: var(--premium-accent-dark);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(169, 140, 69, 0.35);
}

.btn-secondary {
  background: transparent;
  color: var(--primary-black);
  border-color: var(--primary-black);
}

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

.btn-outline-white {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.5);
}

.btn-outline-white:hover {
  background: var(--white);
  color: var(--primary-black);
  border-color: var(--white);
}

.btn-sm {
  padding: 8px 20px;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 16px 40px;
  font-size: 1.0625rem;
}

/* ---- HERO SECTION ---- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 72px;
}

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

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

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(26, 26, 26, 0.88) 0%,
    rgba(26, 26, 26, 0.65) 50%,
    rgba(26, 26, 26, 0.4) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--premium-accent);
  margin-bottom: 24px;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.8s 0.2s forwards;
}

.hero-eyebrow::before {
  content: '';
  display: block;
  width: 32px;
  height: 2px;
  background: var(--premium-accent);
}

.hero h1 {
  color: var(--white);
  margin-bottom: 24px;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 0.8s 0.4s forwards;
}

.hero-intro {
  font-size: 1.125rem;
  color: rgba(255,255,255,0.8);
  margin-bottom: 40px;
  max-width: 560px;
  line-height: 1.7;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 0.8s 0.6s forwards;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 0.8s 0.8s forwards;
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.5);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: bounce 2s infinite;
}

.hero-scroll::after {
  content: '';
  display: block;
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.3);
  animation: scrollLine 2s infinite;
}

/* ---- TRUST BAR ---- */
.trust-bar {
  position: relative;
  padding: 48px 0;
  overflow: hidden;
}

.trust-bar-bg {
  position: absolute;
  inset: 0;
}

.trust-bar-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(60%) brightness(0.3);
}

.trust-bar-overlay {
  position: absolute;
  inset: 0;
  background: rgba(26,26,26,0.85);
}

.trust-bar-content {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0;
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 16px 40px;
  border-right: 1px solid rgba(255,255,255,0.12);
  text-align: center;
}

.trust-item:last-child {
  border-right: none;
}

.trust-item-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--premium-accent);
  letter-spacing: -0.02em;
}

.trust-item-label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
}

/* ---- SECTION HEADERS ---- */
.section-header {
  margin-bottom: 64px;
}

.section-header.centered {
  text-align: center;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--premium-accent);
  margin-bottom: 16px;
}

.section-eyebrow::before {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: var(--premium-accent);
}

.section-header h2 {
  margin-bottom: 16px;
}

.section-header p {
  font-size: 1.0625rem;
  color: var(--mid-grey);
}

/* ---- SECTOR CARDS ---- */
.sectors-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
}

.sector-card {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  cursor: pointer;
}

.sector-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.sector-card:hover img {
  transform: scale(1.08);
}

.sector-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26,26,26,0.9) 0%, rgba(26,26,26,0.2) 60%, transparent 100%);
  transition: background var(--transition-mid);
}

.sector-card:hover .sector-card-overlay {
  background: linear-gradient(to top, rgba(169,140,69,0.85) 0%, rgba(26,26,26,0.4) 60%, transparent 100%);
}

.sector-card-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 24px 20px;
  transform: translateY(0);
  transition: transform var(--transition-mid);
}

.sector-card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 4px;
}

.sector-card-subtitle {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.65);
  transform: translateY(8px);
  opacity: 0;
  transition: all var(--transition-mid);
}

.sector-card:hover .sector-card-subtitle {
  transform: translateY(0);
  opacity: 1;
}

/* ---- PROCESS TIMELINE ---- */
.process-timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.process-timeline::before {
  content: '';
  position: absolute;
  top: 32px;
  left: 12.5%;
  right: 12.5%;
  height: 2px;
  background: linear-gradient(to right, var(--premium-accent), var(--premium-accent-light));
  z-index: 0;
}

.process-step {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 20px;
}

.process-step-number {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--white);
  border: 2px solid var(--premium-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--premium-accent);
  margin-bottom: 24px;
  position: relative;
  transition: all var(--transition-mid);
}

.process-step:hover .process-step-number {
  background: var(--premium-accent);
  color: var(--white);
  transform: scale(1.1);
}

.process-step-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--primary-black);
}

.process-step-desc {
  font-size: 0.875rem;
  color: var(--mid-grey);
  line-height: 1.6;
}

/* ---- PARTNER CARDS ---- */
.partner-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.partner-card {
  background: var(--white);
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-mid);
  box-shadow: var(--shadow-sm);
}

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

.partner-card-image {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}

.partner-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.partner-card:hover .partner-card-image img {
  transform: scale(1.05);
}

.partner-card-body {
  padding: 28px;
}

.partner-card-tag {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--premium-accent);
  background: rgba(169,140,69,0.1);
  padding: 4px 10px;
  border-radius: 2px;
  margin-bottom: 12px;
}

.partner-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--primary-black);
}

.partner-card-desc {
  font-size: 0.9375rem;
  color: var(--mid-grey);
  line-height: 1.65;
  margin-bottom: 20px;
}

.partner-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--premium-accent);
  transition: gap var(--transition-fast);
}

.partner-card-link:hover {
  gap: 10px;
}

.partner-card-link::after {
  content: '→';
}

/* ---- MODEL CARDS (Distribution) ---- */
.model-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.model-card {
  background: var(--white);
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  transition: all var(--transition-mid);
  position: relative;
  overflow: hidden;
}

.model-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--premium-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-mid);
}

.model-card:hover::before {
  transform: scaleX(1);
}

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

.model-card-icon {
  width: 48px;
  height: 48px;
  background: rgba(169,140,69,0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.5rem;
}

.model-card-title {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--primary-black);
}

.model-card-desc {
  font-size: 0.9rem;
  color: var(--mid-grey);
  line-height: 1.65;
}

/* ---- IMAGE WITH TEXT ---- */
.image-text-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.image-text-block.reverse {
  direction: rtl;
}

.image-text-block.reverse > * {
  direction: ltr;
}

.image-text-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.image-text-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4/3;
}

.image-text-content {
  padding: 20px 0;
}

.image-text-content h2 {
  margin-bottom: 20px;
}

.image-text-content p {
  margin-bottom: 16px;
}

.feature-list {
  margin: 24px 0;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(0,0,0,0.06);
  font-size: 0.9375rem;
  color: var(--graphite);
}

.feature-list li::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--premium-accent);
  margin-top: 8px;
  flex-shrink: 0;
}

/* ---- CTA BAND ---- */
.cta-band {
  background: var(--primary-black);
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-band::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(169,140,69,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.cta-band h2 {
  color: var(--white);
  margin-bottom: 16px;
}

.cta-band p {
  color: rgba(255,255,255,0.65);
  font-size: 1.0625rem;
  margin-bottom: 40px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.cta-band-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---- COMPLIANCE MATRIX ---- */
.compliance-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.compliance-table th {
  background: var(--primary-black);
  color: var(--white);
  padding: 14px 16px;
  text-align: left;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.compliance-table td {
  padding: 14px 16px;
  border-bottom: 1px solid rgba(0,0,0,0.06);
  color: var(--graphite);
}

.compliance-table tr:hover td {
  background: var(--light-grey);
}

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-yes { background: rgba(34,197,94,0.12); color: #15803d; }
.badge-no { background: rgba(239,68,68,0.12); color: #dc2626; }
.badge-project { background: rgba(169,140,69,0.12); color: var(--premium-accent-dark); }

/* ---- AI SECTION ---- */
.ai-section {
  position: relative;
  overflow: hidden;
}

.ai-image-block {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.ai-image-block img {
  width: 100%;
  object-fit: cover;
  aspect-ratio: 16/9;
}

.ai-principles {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 32px;
}

.ai-principle {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  padding: 20px;
}

.ai-principle-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--premium-accent);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.ai-principle-desc {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.6;
}

/* ---- CONTACT FORMS ---- */
.contact-section {
  background: var(--light-grey);
}

.inquiry-tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid rgba(0,0,0,0.1);
  margin-bottom: 48px;
}

.inquiry-tab {
  padding: 14px 28px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--mid-grey);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all var(--transition-fast);
  background: transparent;
  border-top: none;
  border-left: none;
  border-right: none;
}

.inquiry-tab.active {
  color: var(--premium-accent);
  border-bottom-color: var(--premium-accent);
}

.inquiry-tab:hover {
  color: var(--primary-black);
}

.inquiry-form {
  display: none;
  max-width: 720px;
}

.inquiry-form.active {
  display: block;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary-black);
}

.form-group label .required {
  color: var(--premium-accent);
  margin-left: 2px;
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  font-size: 0.9375rem;
  font-family: inherit;
  border: 1.5px solid rgba(0,0,0,0.12);
  border-radius: var(--radius-sm);
  background: var(--white);
  color: var(--primary-black);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--premium-accent);
  box-shadow: 0 0 0 3px rgba(169,140,69,0.12);
}

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

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin: 20px 0;
}

.form-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--premium-accent);
  flex-shrink: 0;
}

.form-checkbox label {
  font-size: 0.875rem;
  color: var(--mid-grey);
  line-height: 1.5;
}

.form-checkbox a {
  color: var(--premium-accent);
  text-decoration: underline;
}

.form-success {
  display: none;
  background: rgba(34,197,94,0.08);
  border: 1px solid rgba(34,197,94,0.3);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-top: 20px;
}

.form-success.visible {
  display: block;
}

.form-success p {
  color: #15803d;
  font-size: 0.9375rem;
}

/* ---- FOOTER ---- */
.site-footer {
  background: var(--primary-black);
  color: rgba(255,255,255,0.7);
  padding: 72px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 56px;
}

.footer-brand {
  max-width: 320px;
}

.footer-logo {
  margin-bottom: 20px;
}

.footer-logo img {
  height: 40px;
  width: auto;
}

.footer-tagline {
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.65;
  margin-bottom: 24px;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.55);
  margin-bottom: 8px;
}

.footer-contact-item a {
  color: rgba(255,255,255,0.7);
  transition: color var(--transition-fast);
}

.footer-contact-item a:hover {
  color: var(--premium-accent);
}

.footer-col-title {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 20px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.55);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 32px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-legal-text {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.35);
  line-height: 1.6;
  max-width: 640px;
}

.footer-legal-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-legal-links a {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.4);
  transition: color var(--transition-fast);
  white-space: nowrap;
}

.footer-legal-links a:hover {
  color: var(--premium-accent);
}

.footer-disclaimer {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.25);
  margin-top: 16px;
  line-height: 1.6;
}

/* ---- ANIMATIONS ---- */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(-8px); }
}

@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

/* Scroll-triggered animations */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ---- COOKIE BANNER ---- */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background: var(--primary-black);
  color: var(--white);
  padding: 24px;
  transform: translateY(100%);
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  border-top: 1px solid rgba(255,255,255,0.1);
}

.cookie-banner.visible {
  transform: translateY(0);
}

.cookie-banner-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.cookie-banner-text {
  flex: 1;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.6;
  min-width: 280px;
}

.cookie-banner-text a {
  color: var(--premium-accent);
  text-decoration: underline;
}

.cookie-banner-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  flex-shrink: 0;
}

/* ---- BACK TO TOP ---- */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  background: var(--premium-accent);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: all var(--transition-fast);
  z-index: 500;
  border: none;
  font-size: 1.25rem;
  box-shadow: 0 4px 16px rgba(169,140,69,0.4);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--premium-accent-dark);
  transform: translateY(-4px);
}

/* ---- PAGE HERO (inner pages) ---- */
.page-hero {
  position: relative;
  padding: 160px 0 80px;
  overflow: hidden;
  background: var(--primary-black);
}

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

.page-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.25;
}

.page-hero-content {
  position: relative;
  z-index: 1;
}

.page-hero h1 {
  color: var(--white);
  margin-bottom: 16px;
}

.page-hero-desc {
  font-size: 1.125rem;
  color: rgba(255,255,255,0.7);
  max-width: 600px;
}

/* ---- BREADCRUMB ---- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.4);
  margin-bottom: 24px;
}

.breadcrumb a {
  color: rgba(255,255,255,0.5);
  transition: color var(--transition-fast);
}

.breadcrumb a:hover {
  color: var(--premium-accent);
}

.breadcrumb span {
  color: rgba(255,255,255,0.25);
}

/* ---- STATS COUNTER ---- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.stat-item {
  padding: 32px 20px;
}

.stat-value {
  font-size: 3rem;
  font-weight: 800;
  color: var(--premium-accent);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--mid-grey);
  font-weight: 500;
}

/* ---- MOBILE MENU OVERLAY ---- */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: var(--white);
  transform: translateX(100%);
  transition: transform var(--transition-slow);
  padding: 100px 24px 40px;
  overflow-y: auto;
}

.mobile-menu.open {
  transform: translateX(0);
}

.mobile-menu nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 40px;
}

.mobile-menu nav a {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--primary-black);
  padding: 14px 0;
  border-bottom: 1px solid rgba(0,0,0,0.06);
  transition: color var(--transition-fast);
}

.mobile-menu nav a:hover {
  color: var(--premium-accent);
}

.mobile-lang-switcher {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.mobile-lang-switcher a {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--mid-grey);
  padding: 8px 16px;
  border: 1px solid rgba(0,0,0,0.12);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.mobile-lang-switcher a.active,
.mobile-lang-switcher a:hover {
  color: var(--premium-accent);
  border-color: var(--premium-accent);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 1200px) {
  .sectors-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 1024px) {
  :root {
    --section-padding: 80px 0;
  }
  .grid-2, .image-text-block {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .image-text-block.reverse {
    direction: ltr;
  }
  .grid-3, .partner-cards, .model-cards {
    grid-template-columns: 1fr 1fr;
  }
  .process-timeline {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
  .process-timeline::before {
    display: none;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .main-nav {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 60px 0;
  }
  .sectors-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-3, .partner-cards, .model-cards {
    grid-template-columns: 1fr;
  }
  .trust-bar-content {
    flex-direction: column;
    gap: 0;
  }
  .trust-item {
    border-right: none;
    border-bottom: 1px solid rgba(255,255,255,0.12);
    width: 100%;
    padding: 16px 0;
  }
  .trust-item:last-child {
    border-bottom: none;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 16px;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .hero-ctas {
    flex-direction: column;
  }
  .hero-ctas .btn {
    text-align: center;
    justify-content: center;
  }
  .inquiry-tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .cta-band-actions {
    flex-direction: column;
    align-items: center;
  }
  .ai-principles {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 480px) {
  .sectors-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-timeline {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }
  .header-inner {
    padding: 0 16px;
  }
  .container {
    padding: 0 16px;
  }
}

/* ---- UTILITY CLASSES ---- */
.mt-0 { margin-top: 0; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mt-48 { margin-top: 48px; }
.mt-64 { margin-top: 64px; }
.mb-0 { margin-bottom: 0; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }
.mb-48 { margin-bottom: 48px; }
.mb-64 { margin-bottom: 64px; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ---- PROCESS STEPS (Compliance page) ---- */
.process-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
  padding-left: 80px;
}

.process-steps::before {
  content: '';
  position: absolute;
  left: 32px;
  top: 32px;
  bottom: 32px;
  width: 2px;
  background: linear-gradient(to bottom, var(--premium-accent), var(--premium-accent-light));
}

.process-steps .process-step {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 32px;
  text-align: left;
  padding: 0 0 48px 0;
  position: relative;
}

.process-steps .process-step-number {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--white);
  border: 2px solid var(--premium-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--premium-accent);
  position: absolute;
  left: -80px;
  top: 0;
  flex-shrink: 0;
  transition: all var(--transition-mid);
  margin-bottom: 0;
}

.process-steps .process-step:hover .process-step-number {
  background: var(--premium-accent);
  color: var(--white);
  transform: scale(1.1);
}

.process-steps .process-step-content h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--primary-black);
}

.process-steps .process-step-content p {
  font-size: 0.9375rem;
  color: var(--mid-grey);
  line-height: 1.65;
}

/* ---- COOKIE TOGGLE SWITCH ---- */
.cookie-toggle-switch {
  position: relative;
  display: inline-block;
  width: 52px;
  height: 28px;
  flex-shrink: 0;
  cursor: pointer;
}

.cookie-toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.cookie-toggle-track {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.15);
  border-radius: 28px;
  transition: background var(--transition-fast);
}

.cookie-toggle-track::before {
  content: '';
  position: absolute;
  height: 20px;
  width: 20px;
  left: 4px;
  bottom: 4px;
  background: white;
  border-radius: 50%;
  transition: transform var(--transition-fast);
  box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.cookie-toggle-switch input:checked + .cookie-toggle-track {
  background: var(--premium-accent);
}

.cookie-toggle-switch input:checked + .cookie-toggle-track::before {
  transform: translateX(24px);
}

.cookie-toggle.active.disabled {
  display: flex;
  align-items: center;
  gap: 8px;
}

.cookie-toggle-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: #15803d;
  white-space: nowrap;
}

/* ---- BTN OUTLINE (light) ---- */
.btn-outline {
  background: transparent;
  color: var(--primary-black);
  border: 2px solid rgba(0,0,0,0.2);
}

.btn-outline:hover {
  border-color: var(--primary-black);
  background: var(--primary-black);
  color: var(--white);
}

/* ---- GRID-4 RESPONSIVE ---- */
@media (max-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-steps {
    padding-left: 60px;
  }
  .process-steps::before {
    left: 24px;
  }
  .process-steps .process-step-number {
    left: -60px;
    width: 48px;
    height: 48px;
    font-size: 0.9rem;
  }
}

@media (max-width: 768px) {
  .grid-4 {
    grid-template-columns: 1fr 1fr;
  }
  .process-steps {
    padding-left: 48px;
  }
  .process-steps::before {
    left: 16px;
  }
  .process-steps .process-step-number {
    left: -48px;
    width: 40px;
    height: 40px;
    font-size: 0.8rem;
  }
}

@media (max-width: 480px) {
  .grid-4 {
    grid-template-columns: 1fr;
  }
}

/* ---- PRINT STYLES ---- */
@media print {
  .site-header,
  .mobile-menu,
  .cookie-banner,
  .back-to-top,
  .nav-toggle {
    display: none !important;
  }
  .page-hero {
    padding-top: 40px;
  }
  body {
    font-size: 12pt;
  }
}