/* ===== Reset & Base ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --bg: #000000;
  --bg-soft: #0a0a0a;
  --bg-card: #111111;
  --bg-card-hover: #1a1a1a;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.15);
  --white: #ffffff;
  --white-900: #f5f5f5;
  --white-800: #e5e5e5;
  --white-700: #d4d4d4;
  --white-600: #a3a3a3;
  --white-500: #737373;
  --white-400: #525252;
  --accent: #ffffff;
  --accent-soft: rgba(255, 255, 255, 0.1);
  --accent-line: rgba(255, 255, 255, 0.25);
  --grid-line: rgba(255, 255, 255, 0.04);
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.5);
  --shadow-xl: 0 20px 50px rgba(0,0,0,0.6);
  --radius-none: 0;
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 8px;
  --radius-xl: 12px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-mono: "SF Mono", "JetBrains Mono", "Menlo", "Consolas", monospace;
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Inter", "Segoe UI", Roboto, sans-serif;
}

html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  color: var(--white-800);
  line-height: 1.6;
  background: var(--bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body::before {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
  z-index: 0;
}

a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

.section { padding: 120px 0; position: relative; z-index: 1; }
.section-header { text-align: center; margin-bottom: 72px; position: relative; }

.section-label {
  display: inline-block;
  padding: 6px 18px;
  background: transparent;
  color: var(--white-600);
  border: 1px solid var(--border-strong);
  border-radius: 0;
  font-size: 12px;
  font-weight: 500;
  margin-bottom: 20px;
  letter-spacing: 3px;
  text-transform: uppercase;
  font-family: var(--font-mono);
}

.section-title {
  font-size: 48px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 20px;
  line-height: 1.15;
  letter-spacing: -0.5px;
}
.section-subtitle {
  font-size: 17px;
  color: var(--white-500);
  max-width: 680px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 32px;
  font-size: 14px;
  font-weight: 600;
  border-radius: 0;
  transition: var(--transition);
  cursor: pointer;
  white-space: nowrap;
  letter-spacing: 0.5px;
}
.btn-primary {
  background: var(--white);
  color: var(--bg);
  border: 1px solid var(--white);
}
.btn-primary:hover {
  background: transparent;
  color: var(--white);
  transform: translateY(-2px);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1px solid var(--border-strong);
}
.btn-outline:hover {
  border-color: var(--white);
  background: var(--white);
  color: var(--bg);
  transform: translateY(-2px);
}
.btn-white {
  background: var(--white);
  color: var(--bg);
  border: 1px solid var(--white);
}
.btn-white:hover {
  background: transparent;
  color: var(--white);
  transform: translateY(-2px);
}
.btn-text {
  background: none;
  color: var(--white);
  padding: 0;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  letter-spacing: 0.5px;
}
.btn-text:hover {
  gap: 14px;
}
.btn-text::after {
  content: '→';
  transition: var(--transition);
  font-weight: 300;
}

/* ===== Header / Navigation ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}
.header.scrolled {
  border-bottom-color: var(--border);
  background: rgba(0, 0, 0, 0.9);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.5px;
}

.logo-img {
  height: 40px;
  width: auto;
  display: block;
  background: var(--white);
  border-radius: 2px;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--white);
  border-radius: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bg);
  font-size: 18px;
  font-weight: 900;
}
.logo span { color: var(--white-600); font-weight: 400; }

.nav-menu {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--white-600);
  position: relative;
  transition: var(--transition);
  letter-spacing: 0.3px;
}
.nav-link:hover, .nav-link.active { color: var(--white); }
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--white);
  transition: var(--transition);
}
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

.nav-cta { display: flex; align-items: center; gap: 16px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 24px;
  height: 1.5px;
  background: var(--white);
  border-radius: 0;
  transition: var(--transition);
}

/* ===== Hero Section ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 72px;
  background: var(--bg);
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 60%;
  height: 100%;
  background: radial-gradient(ellipse at 70% 50%, rgba(255, 255, 255, 0.06) 0%, transparent 60%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px;
  background: transparent;
  border: 1px solid var(--border-strong);
  border-radius: 0;
  color: var(--white-700);
  font-size: 12px;
  font-weight: 500;
  margin-bottom: 32px;
  letter-spacing: 1px;
  font-family: var(--font-mono);
}
.hero-badge .dot {
  width: 8px;
  height: 8px;
  background: var(--white);
  border-radius: 0;
  animation: blink 2s infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 760px;
}
.hero-title {
  font-size: 72px;
  font-weight: 800;
  color: var(--white);
  line-height: 1.05;
  margin-bottom: 28px;
  letter-spacing: -2px;
}
.hero-title .gradient-text {
  -webkit-text-stroke: 3px var(--white);
  -webkit-text-fill-color: transparent;
}
.hero-subtitle {
  font-size: 18px;
  color: var(--white-500);
  line-height: 1.7;
  margin-bottom: 44px;
  max-width: 620px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-stats {
  display: flex;
  gap: 56px;
  margin-top: 72px;
  padding-top: 48px;
  border-top: 1px solid var(--border);
}
.hero-stat {
  text-align: left;
}
.hero-stat-number {
  font-size: 40px;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
  font-family: var(--font-mono);
  letter-spacing: -1px;
}
.hero-stat-label {
  font-size: 13px;
  color: var(--white-500);
  margin-top: 8px;
  letter-spacing: 0.5px;
}

/* ===== About Section ===== */
.about-intro {
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-content h2 {
  font-size: 42px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 28px;
  line-height: 1.15;
  letter-spacing: -0.5px;
}
.about-content p {
  font-size: 16px;
  color: var(--white-500);
  line-height: 1.8;
  margin-bottom: 18px;
}
.about-image {
  position: relative;
  border-radius: 0;
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
}
.about-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.2) 0%, rgba(0,0,0,0.7) 100%);
  z-index: 1;
}
.about-image-inner {
  position: absolute;
  inset: 0;
  background: url('https://www.tuoteai.com/wp-content/uploads/2024/06/representation-user-experience-interface-design-1024x682.webp') center/cover;
  filter: grayscale(100%) contrast(1.1);
}
.about-image-float {
  position: absolute;
  bottom: 24px;
  left: 24px;
  background: var(--bg);
  padding: 16px 24px;
  border-radius: 0;
  border: 1px solid var(--border-strong);
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 14px;
}
.float-icon {
  width: 40px;
  height: 40px;
  background: var(--white);
  border-radius: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--bg);
}
.float-text strong {
  display: block;
  font-size: 20px;
  color: var(--white);
  font-weight: 700;
}
.float-text span {
  font-size: 12px;
  color: var(--white-500);
  letter-spacing: 0.3px;
}

/* ===== Mission Vision Values ===== */
.mvv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.mvv-card {
  padding: 40px 32px;
  background: var(--bg-card);
  border-radius: 0;
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
}
.mvv-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  background: var(--bg-card-hover);
}
.mvv-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--accent-line);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}
.mvv-card:hover::before { transform: scaleX(1); }

.mvv-icon {
  width: 56px;
  height: 56px;
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: 24px;
}
.mvv-card h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
  letter-spacing: -0.3px;
}
.mvv-card p {
  color: var(--white-500);
  line-height: 1.7;
  font-size: 15px;
}

/* Values Grid */
.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1px;
  margin-top: 56px;
  background: var(--border);
  border: 1px solid var(--border);
}
.value-item {
  display: flex;
  gap: 20px;
  padding: 32px 28px;
  background: var(--bg);
  transition: var(--transition);
}
.value-item:hover {
  background: var(--bg-card);
}
.value-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background: transparent;
  color: var(--white);
  border: 1px solid var(--border-strong);
  border-radius: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}
.value-item h4 {
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}
.value-item p {
  font-size: 14px;
  color: var(--white-500);
  line-height: 1.7;
}

/* ===== Why Choose Us ===== */
.why-us {
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  padding: 48px 36px;
  background: var(--bg-card);
  border-radius: 0;
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}
.feature-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--white);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}
.feature-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-strong);
  background: var(--bg-card-hover);
}
.feature-card:hover::after { transform: scaleX(1); }

.feature-number {
  font-size: 64px;
  font-weight: 800;
  color: var(--white-400);
  line-height: 1;
  margin-bottom: 28px;
  transition: var(--transition);
  font-family: var(--font-mono);
  letter-spacing: -2px;
  opacity: 0.3;
}
.feature-card:hover .feature-number { opacity: 0.6; color: var(--white); }
.feature-card h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
  letter-spacing: -0.3px;
}
.feature-card p {
  color: var(--white-500);
  line-height: 1.8;
  font-size: 15px;
}

/* ===== Solutions Section ===== */
.solutions-tabs {
  display: flex;
  justify-content: center;
  gap: 0;
  margin-bottom: 56px;
  flex-wrap: wrap;
  border: 1px solid var(--border);
  width: fit-content;
  margin-left: auto;
  margin-right: auto;
}
.tab-btn {
  padding: 12px 28px;
  background: transparent;
  color: var(--white-500);
  border-radius: 0;
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
  border: none;
  border-right: 1px solid var(--border);
  letter-spacing: 0.3px;
}
.tab-btn:last-child { border-right: none; }
.tab-btn.active {
  background: var(--white);
  color: var(--bg);
}
.tab-btn:hover:not(.active) {
  background: var(--bg-card);
  color: var(--white);
}

.solutions-content {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: center;
}
.solution-text h3 {
  font-size: 32px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 20px;
  line-height: 1.25;
  letter-spacing: -0.5px;
}
.solution-text p {
  font-size: 16px;
  color: var(--white-500);
  line-height: 1.8;
  margin-bottom: 20px;
}
.solution-features {
  display: grid;
  gap: 14px;
  margin-bottom: 32px;
}
.solution-feature {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.solution-feature .check {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  background: transparent;
  color: var(--white);
  border-radius: 0;
  border: 1px solid var(--border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  margin-top: 2px;
}
.solution-feature span {
  color: var(--white-700);
  font-size: 15px;
}
.solution-visual {
  aspect-ratio: 1;
  background: var(--bg-card);
  border-radius: 0;
  border: 1px solid var(--border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.solution-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('https://www.tuoteai.com/wp-content/uploads/2024/06/businessman-working-with-digital-marketing-analysis-ai-invest-concept-future-business_34141-762.webp') center/cover;
  opacity: 0.15;
  filter: grayscale(100%);
}
.solution-visual::after {
  content: '';
  position: absolute;
  top: 20px; right: 20px; bottom: 20px; left: 20px;
  border: 1px solid var(--border);
  pointer-events: none;
}
.solution-visual-icon {
  position: relative;
  z-index: 1;
  font-size: 100px;
  opacity: 0.9;
  filter: grayscale(100%);
}

/* More Solutions */
.more-solutions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 80px;
}
.solution-card {
  padding: 36px 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 0;
  transition: var(--transition);
  position: relative;
}
.solution-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  background: var(--bg-card-hover);
}
.solution-card-icon {
  width: 52px;
  height: 52px;
  background: var(--bg);
  color: var(--white);
  border: 1px solid var(--border-strong);
  border-radius: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  margin-bottom: 24px;
}
.solution-card h4 {
  font-size: 19px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}
.solution-card p {
  color: var(--white-500);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 20px;
}
.solution-card ul {
  display: grid;
  gap: 10px;
  margin-bottom: 24px;
}
.solution-card li {
  font-size: 13px;
  color: var(--white-600);
  padding-left: 18px;
  position: relative;
}
.solution-card li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--white-400);
  font-weight: 300;
}

/* ===== Global Section ===== */
.global {
  background: var(--bg-soft);
  color: var(--white);
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.global::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(255,255,255,0.03) 0%, transparent 60%);
}
.global .section-title { color: var(--white); }
.global .section-subtitle { color: var(--white-500); }
.global .section-label {
  background: transparent;
  color: var(--white-600);
  border-color: var(--border-strong);
}

.global-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  text-align: center;
  margin-top: 56px;
  position: relative;
  z-index: 1;
  background: var(--border);
  border: 1px solid var(--border);
}
.global-stat {
  padding: 48px 20px;
  background: var(--bg);
  transition: var(--transition);
}
.global-stat:hover {
  background: var(--bg-card);
}
.global-stat-number {
  font-size: 56px;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  letter-spacing: -2px;
}
.global-stat-label {
  font-size: 14px;
  color: var(--white-500);
  letter-spacing: 0.3px;
}

.global-regions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1px;
  margin-top: 48px;
  position: relative;
  z-index: 1;
  background: var(--border);
  border: 1px solid var(--border);
}
.region-item {
  padding: 24px 16px;
  background: var(--bg);
  text-align: center;
  transition: var(--transition);
}
.region-item:hover {
  background: var(--bg-card);
}
.region-flag { font-size: 28px; margin-bottom: 8px; filter: grayscale(30%); }
.region-name { font-size: 14px; font-weight: 500; color: var(--white-700); letter-spacing: 0.3px; }

/* ===== Careers / Jobs ===== */
.jobs-list {
  display: grid;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
.job-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 32px;
  background: var(--bg);
  transition: var(--transition);
}
.job-item:hover {
  background: var(--bg-card);
  padding-left: 40px;
}
.job-info { display: flex; align-items: center; gap: 24px; }
.job-icon {
  width: 48px;
  height: 48px;
  background: var(--bg-card);
  color: var(--white);
  border: 1px solid var(--border);
  border-radius: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}
.job-title { font-size: 17px; font-weight: 600; color: var(--white); margin-bottom: 6px; }
.job-meta { display: flex; gap: 20px; font-size: 13px; color: var(--white-500); }
.job-meta span { display: flex; align-items: center; gap: 6px; }
.job-badge {
  display: inline-block;
  padding: 4px 12px;
  background: transparent;
  color: var(--white);
  border: 1px solid var(--white-400);
  border-radius: 0;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-family: var(--font-mono);
}

/* ===== CTA Section ===== */
.cta {
  background: var(--bg-soft);
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--border);
}
.cta::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 200%;
  background: radial-gradient(ellipse, rgba(255,255,255,0.04) 0%, transparent 60%);
}
.cta-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}
.cta h2 {
  font-size: 44px;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 20px;
  line-height: 1.15;
  letter-spacing: -0.5px;
}
.cta p {
  font-size: 17px;
  color: var(--white-500);
  margin-bottom: 40px;
  line-height: 1.7;
}
.cta .btn-white { background: var(--white); color: var(--bg); }
.cta .btn-white:hover { background: transparent; color: var(--white); }

/* ===== Footer ===== */
.footer {
  background: var(--bg);
  color: var(--white-500);
  padding: 80px 0 32px;
  border-top: 1px solid var(--border);
  position: relative;
  z-index: 1;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 60px;
}
.footer-brand .logo { color: var(--white); margin-bottom: 20px; }
.footer-brand .logo-img { height: 44px; background: var(--white); border-radius: 2px; }
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 24px;
  max-width: 320px;
  color: var(--white-500);
}
.footer-social {
  display: flex;
  gap: 10px;
}
.footer-social a {
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  font-size: 14px;
  color: var(--white-600);
}
.footer-social a:hover {
  background: var(--white);
  color: var(--bg);
  border-color: var(--white);
  transform: translateY(-3px);
}

.footer-col h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 24px;
  letter-spacing: 0.5px;
}
.footer-col ul { display: grid; gap: 14px; }
.footer-col a {
  font-size: 14px;
  color: var(--white-500);
  transition: var(--transition);
}
.footer-col a:hover { color: var(--white); padding-left: 6px; }

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--white-400);
}
.footer-bottom-links {
  display: flex;
  gap: 24px;
}

/* ===== Page Header (Internal Pages) ===== */
.page-hero {
  background: var(--bg);
  padding: 160px 0 100px;
  position: relative;
  overflow: hidden;
  text-align: center;
  border-bottom: 1px solid var(--border);
}
.page-hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}
.page-hero::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(ellipse at 50% 80%, rgba(255,255,255,0.04) 0%, transparent 60%);
}
.page-hero-content { position: relative; z-index: 1; }
.breadcrumb {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--white-500);
  margin-bottom: 24px;
  font-family: var(--font-mono);
  letter-spacing: 1px;
}
.breadcrumb a:hover { color: var(--white); }
.breadcrumb .current { color: var(--white); }
.page-hero h1 {
  font-size: 56px;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 24px;
  line-height: 1.1;
  letter-spacing: -1px;
}
.page-hero p {
  font-size: 17px;
  color: var(--white-500);
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ===== Contact Page ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
}
.contact-info h3 {
  font-size: 28px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}
.contact-info > p {
  color: var(--white-500);
  margin-bottom: 40px;
  line-height: 1.8;
}
.contact-item {
  display: flex;
  gap: 20px;
  margin-bottom: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
}
.contact-item:last-of-type { border-bottom: none; }
.contact-item-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: var(--bg-card);
  color: var(--white);
  border: 1px solid var(--border);
  border-radius: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}
.contact-item h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 6px;
}
.contact-item p {
  font-size: 14px;
  color: var(--white-500);
  line-height: 1.6;
}

.contact-form {
  padding: 48px;
  background: var(--bg-card);
  border-radius: 0;
  border: 1px solid var(--border);
}

.contact-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.contact-card {
  padding: 40px 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 0;
  transition: var(--transition);
  text-align: left;
}
.contact-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-strong);
  background: var(--bg-card-hover);
}
.contact-card-icon {
  width: 56px;
  height: 56px;
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: 24px;
}
.contact-card h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}
.contact-card p {
  font-size: 14px;
  color: var(--white-500);
  line-height: 1.7;
  margin-bottom: 20px;
}
.contact-card-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  border-bottom: 1px solid var(--accent-line);
  padding-bottom: 2px;
  transition: var(--transition);
  font-family: var(--font-mono);
  letter-spacing: 0.3px;
  word-break: break-all;
}
.contact-card-link:hover {
  border-bottom-color: var(--white);
  color: var(--white);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--white-700);
  margin-bottom: 8px;
  letter-spacing: 0.3px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 0;
  font-size: 15px;
  font-family: inherit;
  transition: var(--transition);
  background: var(--bg);
  color: var(--white);
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--white-400);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--white);
  background: var(--bg-soft);
}
.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M0 0l6 6 6-6' stroke='%23737373' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}
.form-group textarea { resize: vertical; min-height: 140px; }
.contact-form .btn { width: 100%; justify-content: center; }

/* ===== Service Page ===== */
.service-detail {
  padding: 100px 0;
  border-bottom: 1px solid var(--border);
}
.service-detail:last-child { border-bottom: none; }
.service-detail:nth-child(even) { background: var(--bg-soft); }
.service-detail-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}
.service-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.service-detail:nth-child(even) .service-detail-grid {
  direction: rtl;
}
.service-detail:nth-child(even) .service-detail-grid > * {
  direction: ltr;
}
.service-detail-content h2 {
  font-size: 36px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 20px;
  line-height: 1.2;
  letter-spacing: -0.5px;
}
.service-detail-content p {
  font-size: 16px;
  color: var(--white-500);
  line-height: 1.8;
  margin-bottom: 20px;
}
.service-detail-list {
  display: grid;
  gap: 14px;
  margin-bottom: 32px;
}
.service-detail-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  color: var(--white-700);
}
.service-detail-list li::before {
  content: '+';
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  background: transparent;
  color: var(--white);
  border: 1px solid var(--border-strong);
  border-radius: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 300;
  margin-top: 2px;
  line-height: 1;
}
.service-detail-visual {
  aspect-ratio: 4/3;
  border-radius: 0;
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.service-detail-visual::before {
  content: '';
  position: absolute;
  top: 16px; right: 16px; bottom: 16px; left: 16px;
  border: 1px solid var(--border);
  pointer-events: none;
  z-index: 1;
}
.service-detail-visual-icon {
  position: relative;
  z-index: 0;
  font-size: 90px;
  opacity: 0.8;
  filter: grayscale(100%);
}

/* ===== About Page ===== */
.timeline-section { background: var(--bg-soft); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--border-strong);
  transform: translateX(-50%);
}
.timeline-item {
  position: relative;
  margin-bottom: 48px;
  display: grid;
  grid-template-columns: 1fr 40px 1fr;
  gap: 24px;
}
.timeline-item:nth-child(odd) .timeline-content { text-align: right; }
.timeline-item:nth-child(even) .timeline-content { grid-column: 3; }
.timeline-dot {
  grid-column: 2;
  width: 16px;
  height: 16px;
  background: var(--white);
  border-radius: 0;
  border: 3px solid var(--bg);
  outline: 1px solid var(--white);
  margin: 8px auto 0;
  z-index: 1;
}
.timeline-content {
  padding: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 0;
}
.timeline-year {
  font-size: 20px;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 8px;
  font-family: var(--font-mono);
  letter-spacing: -0.5px;
}
.timeline-content h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}
.timeline-content p {
  font-size: 14px;
  color: var(--white-500);
  line-height: 1.7;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.team-card {
  text-align: center;
  padding: 36px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 0;
  transition: var(--transition);
}
.team-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  background: var(--bg-card-hover);
}
.team-avatar {
  width: 90px;
  height: 90px;
  border-radius: 0;
  background: var(--bg);
  border: 1px solid var(--border-strong);
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  color: var(--white);
}
.team-card h4 {
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 6px;
}
.team-role {
  font-size: 13px;
  color: var(--white-600);
  font-weight: 500;
  margin-bottom: 14px;
  letter-spacing: 0.3px;
}
.team-card p {
  font-size: 13px;
  color: var(--white-500);
  line-height: 1.6;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .section { padding: 80px 0; }
  .section-title { font-size: 36px; }
  .hero-title { font-size: 56px; }
  .about-grid, .solutions-content, .contact-grid, .service-detail-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .mvv-grid, .features-grid { grid-template-columns: repeat(2, 1fr); }
  .more-solutions { grid-template-columns: repeat(2, 1fr); }
  .contact-cards { grid-template-columns: repeat(2, 1fr); }
  .global-stats { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .service-detail:nth-child(even) .service-detail-grid { direction: ltr; }
}

@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .section-title { font-size: 30px; }
  .section-subtitle { font-size: 15px; }
  .nav-menu, .nav-cta .btn { display: none; }
  .nav-toggle { display: flex; }
  .hero { min-height: auto; padding: 120px 0 70px; }
  .hero-title { font-size: 40px; letter-spacing: -1px; }
  .hero-subtitle { font-size: 15px; }
  .hero-stats { flex-direction: column; gap: 24px; margin-top: 40px; padding-top: 32px; }
  .hero-stat-number { font-size: 32px; }
  .mvv-grid, .features-grid, .more-solutions { grid-template-columns: 1fr; }
  .contact-cards { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .global-stats { grid-template-columns: 1fr 1fr; gap: 1px; }
  .global-stat-number { font-size: 40px; }
  .global-stat { padding: 32px 16px; }
  .team-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .footer-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
  .page-hero { padding: 120px 0 60px; }
  .page-hero h1 { font-size: 36px; }
  .contact-form { padding: 32px 24px; }
  .job-item { flex-direction: column; gap: 16px; align-items: flex-start; }
  .timeline::before { left: 20px; }
  .timeline-item { grid-template-columns: 40px 1fr; }
  .timeline-item .timeline-content,
  .timeline-item:nth-child(odd) .timeline-content,
  .timeline-item:nth-child(even) .timeline-content {
    grid-column: 2;
    text-align: left;
  }
  .timeline-dot { grid-column: 1; }
  .cta h2 { font-size: 32px; }
  .values-grid { grid-template-columns: 1fr; }
  .solutions-tabs { width: 100%; }
  .tab-btn { flex: 1; font-size: 13px; padding: 10px 16px; }
}

/* ===== Animations ===== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in:nth-child(2) { transition-delay: 0.08s; }
.fade-in:nth-child(3) { transition-delay: 0.16s; }
.fade-in:nth-child(4) { transition-delay: 0.24s; }
.fade-in:nth-child(5) { transition-delay: 0.32s; }
.fade-in:nth-child(6) { transition-delay: 0.4s; }

/* ===== Utility ===== */
.mono { font-family: var(--font-mono); }