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

:root {
  --c-bg: #08090C;
  --c-surface: #0E1018;
  --c-card: #131620;
  --c-border: #1F2233;
  --c-border-light: #2A2E3E;
  --c-accent: #6366F1;
  --c-accent-hover: #818CF8;
  --c-accent-soft: rgba(99,102,241,0.15);
  --c-accent-glow: rgba(99,102,241,0.3);
  --c-purple: #A78BFA;
  --c-green: #34D399;
  --c-amber: #F59E0B;
  --c-rose: #FB7185;
  --c-cyan: #22D3EE;
  --c-text: #E5E7EB;
  --c-text-dim: #9CA3AF;
  --c-heading: #F9FAFB;
  --c-white: #FFFFFF;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --transition: 0.3s ease;
}

html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  font-size: 16px;
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* ===== NAVIGATION (class selector required) ===== */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(8,9,12,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--c-border);
  transition: var(--transition);
}
.site-nav.scrolled {
  background: rgba(8,9,12,0.95);
  box-shadow: 0 4px 30px rgba(0,0,0,0.4);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.nav-logo {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--c-white);
  letter-spacing: -0.5px;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-logo .logo-dot {
  width: 10px; height: 10px;
  background: var(--c-accent);
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 12px var(--c-accent-glow);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  color: var(--c-text-dim);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  transition: color var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--c-accent);
  transition: width var(--transition);
  border-radius: 1px;
}
.nav-links a:hover { color: var(--c-white); }
.nav-links a:hover::after { width: 100%; }
.nav-links .btn-nav {
  background: var(--c-accent);
  color: var(--c-white);
  padding: 10px 22px;
  border-radius: 24px;
  font-weight: 600;
  transition: background var(--transition), transform var(--transition);
}
.nav-links .btn-nav:hover {
  background: var(--c-accent-hover);
  transform: translateY(-1px);
}
.nav-links .btn-nav::after { display: none; }
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  flex-direction: column;
  gap: 5px;
}
.mobile-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--c-text);
  border-radius: 2px;
  transition: var(--transition);
}
.mobile-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.mobile-toggle.active span:nth-child(2) { opacity: 0; }
.mobile-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* ===== HOMEPAGE SCOPE ===== */
.home-page { }
.home-page section { padding: 100px 0; }
.home-page .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 28px;
}
.home-page .section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 16px;
}
.home-page .section-title {
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--c-heading);
  margin-bottom: 18px;
  letter-spacing: -0.5px;
  line-height: 1.25;
}
.home-page .section-subtitle {
  font-size: 1.1rem;
  color: var(--c-text-dim);
  max-width: 600px;
  line-height: 1.7;
}

/* ===== FOOTER ===== */
.site-footer {
  background: var(--c-surface);
  border-top: 1px solid var(--c-border);
  padding: 60px 0 32px;
}
.site-footer .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand .footer-logo {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--c-white);
  margin-bottom: 12px;
  display: block;
  text-decoration: none;
}
.footer-brand p {
  color: var(--c-text-dim);
  font-size: 0.92rem;
  line-height: 1.6;
}
.footer-col h4 {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--c-text);
  margin-bottom: 20px;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  color: var(--c-text-dim);
  text-decoration: none;
  font-size: 0.92rem;
  transition: color var(--transition);
}
.footer-col ul li a:hover { color: var(--c-accent); }
.footer-bottom {
  border-top: 1px solid var(--c-border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-bottom p {
  color: var(--c-text-dim);
  font-size: 0.85rem;
}
.footer-bottom .footer-legal-links {
  display: flex;
  gap: 24px;
}
.footer-bottom .footer-legal-links a {
  color: var(--c-text-dim);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color var(--transition);
}
.footer-bottom .footer-legal-links a:hover { color: var(--c-accent); }

/* ===== HERO SECTION ===== */
.hero-section {
  padding-top: 168px !important;
  padding-bottom: 120px !important;
  position: relative;
  overflow: hidden;
}
.hero-section::before {
  content: '';
  position: absolute;
  top: -200px; right: -150px;
  width: 700px; height: 700px;
  background: radial-gradient(circle, var(--c-accent-soft), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.hero-section::after {
  content: '';
  position: absolute;
  bottom: -100px; left: -100px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(167,139,250,0.1), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-text h1 {
  font-size: 3.4rem;
  font-weight: 900;
  color: var(--c-heading);
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 24px;
}
.hero-text h1 span {
  background: linear-gradient(135deg, var(--c-accent), var(--c-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-text p {
  font-size: 1.15rem;
  color: var(--c-text-dim);
  line-height: 1.75;
  margin-bottom: 36px;
  max-width: 520px;
}
.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.btn-primary {
  display: inline-block;
  background: var(--c-accent);
  color: var(--c-white);
  padding: 14px 32px;
  border-radius: 28px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  border: none;
  cursor: pointer;
}
.btn-primary:hover {
  background: var(--c-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--c-accent-glow);
}
.btn-outline {
  display: inline-block;
  background: transparent;
  color: var(--c-text);
  padding: 14px 32px;
  border-radius: 28px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1.5px solid var(--c-border-light);
  transition: border-color var(--transition), color var(--transition), transform var(--transition);
}
.btn-outline:hover {
  border-color: var(--c-accent);
  color: var(--c-white);
  transform: translateY(-2px);
}
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-geo {
  width: 420px;
  height: 420px;
  border: 2px solid var(--c-border-light);
  border-radius: 24px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(99,102,241,0.03);
}
.hero-geo-inner {
  width: 260px;
  height: 260px;
  border: 2px solid var(--c-accent);
  border-radius: 50%;
  position: relative;
  animation: rotate-slow 20s linear infinite;
}
@keyframes rotate-slow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
.hero-geo-dot {
  position: absolute;
  width: 12px; height: 12px;
  background: var(--c-accent);
  border-radius: 50%;
  box-shadow: 0 0 20px var(--c-accent-glow);
}
.hero-geo-dot:nth-child(1) { top: 20px; left: 50%; transform: translateX(-50%); }
.hero-geo-dot:nth-child(2) { bottom: 20px; left: 50%; transform: translateX(-50%); background: var(--c-purple); }
.hero-geo-dot:nth-child(3) { left: -6px; top: 50%; transform: translateY(-50%); background: var(--c-green); }
.hero-geo-dot:nth-child(4) { right: -6px; top: 50%; transform: translateY(-50%); }
.hero-geo-line {
  position: absolute;
  top: 50%; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-accent-soft), var(--c-accent), var(--c-accent-soft), transparent);
}

/* ===== STATS STRIP ===== */
.stats-strip {
  background: var(--c-surface);
  padding: 60px 0 !important;
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
.stat-item .stat-number {
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--c-heading);
  letter-spacing: -1px;
  line-height: 1;
}
.stat-item .stat-number span {
  background: linear-gradient(135deg, var(--c-accent), var(--c-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-item .stat-label {
  font-size: 0.9rem;
  color: var(--c-text-dim);
  margin-top: 8px;
  font-weight: 500;
}

/* ===== PROCESS TIMELINE ===== */
.process-timeline {
  position: relative;
}
.process-timeline .container { position: relative; }
.timeline-track {
  position: relative;
  padding-left: 50px;
}
.timeline-track::before {
  content: '';
  position: absolute;
  left: 15px; top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--c-accent), var(--c-purple), var(--c-accent));
  border-radius: 1px;
}
.timeline-step {
  position: relative;
  margin-bottom: 56px;
  padding-left: 48px;
}
.timeline-step:last-child { margin-bottom: 0; }
.timeline-step::before {
  content: '';
  position: absolute;
  left: -35px; top: 4px;
  width: 16px; height: 16px;
  border: 3px solid var(--c-accent);
  background: var(--c-bg);
  border-radius: 50%;
  z-index: 1;
}
.timeline-step .step-number {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 6px;
}
.timeline-step h3 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--c-heading);
  margin-bottom: 10px;
}
.timeline-step p {
  color: var(--c-text-dim);
  font-size: 0.95rem;
  line-height: 1.7;
  max-width: 600px;
}

/* ===== SOLUTIONS BENTO ===== */
.solutions-bento { background: var(--c-surface); }
.bento-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 20px;
}
.bento-item {
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: border-color var(--transition), transform var(--transition);
}
.bento-item:hover {
  border-color: var(--c-accent);
  transform: translateY(-3px);
}
.bento-item.large {
  grid-column: span 2;
  display: flex;
  gap: 40px;
  align-items: center;
}
.bento-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
}
.bento-icon.indigo { background: var(--c-accent-soft); color: var(--c-accent); }
.bento-icon.purple { background: rgba(167,139,250,0.15); color: var(--c-purple); }
.bento-icon.green { background: rgba(52,211,153,0.15); color: var(--c-green); }
.bento-icon.rose { background: rgba(251,113,133,0.15); color: var(--c-rose); }
.bento-icon.cyan { background: rgba(34,211,238,0.15); color: var(--c-cyan); }
.bento-item h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--c-heading);
  margin-bottom: 10px;
}
.bento-item p {
  color: var(--c-text-dim);
  font-size: 0.9rem;
  line-height: 1.65;
}
.bento-item.large .bento-text { flex: 1; }

/* ===== VISION SPLIT ===== */
.vision-split { }
.vision-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.vision-image-block {
  background: linear-gradient(135deg, var(--c-card), var(--c-bg));
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 60px 50px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.vision-image-block::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--c-accent-soft), transparent);
  pointer-events: none;
}
.vision-glyph {
  font-size: 6rem;
  position: relative;
  z-index: 1;
}
.vision-text h3 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--c-heading);
  margin-bottom: 14px;
}
.vision-text p {
  color: var(--c-text-dim);
  font-size: 1rem;
  line-height: 1.75;
  margin-bottom: 24px;
}
.vision-check-list {
  list-style: none;
  display: grid;
  gap: 12px;
}
.vision-check-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--c-text);
  font-size: 0.95rem;
}
.vision-check-list li .check-icon {
  width: 20px; height: 20px;
  background: var(--c-accent-soft);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  color: var(--c-accent);
  flex-shrink: 0;
}

/* ===== EXPERTISE TABS ===== */
.expertise-tabs { background: var(--c-surface); }
.tabs-wrapper { }
.tabs-nav {
  display: flex;
  gap: 4px;
  margin-bottom: 36px;
  background: var(--c-card);
  border-radius: 28px;
  padding: 4px;
  overflow-x: auto;
  border: 1px solid var(--c-border);
}
.tab-btn {
  flex: 1;
  min-width: 120px;
  padding: 12px 20px;
  border-radius: 24px;
  background: transparent;
  color: var(--c-text-dim);
  border: none;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
}
.tab-btn.active {
  background: var(--c-accent);
  color: var(--c-white);
}
.tab-panel {
  display: none;
  animation: fadeIn 0.4s ease;
}
.tab-panel.active { display: block; }
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.tab-panel-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.tab-card {
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 28px;
}
.tab-card h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--c-heading);
  margin-bottom: 8px;
}
.tab-card p {
  color: var(--c-text-dim);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ===== FAQ ACCORDION ===== */
.faq-accordion { }
.faq-list {
  max-width: 760px;
  margin: 0 auto;
}
.faq-item {
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color var(--transition);
}
.faq-item.open { border-color: var(--c-accent); }
.faq-question {
  width: 100%;
  background: var(--c-card);
  color: var(--c-text);
  border: none;
  padding: 20px 24px;
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background var(--transition);
}
.faq-question:hover { background: var(--c-border); }
.faq-question .faq-chevron {
  font-size: 1.2rem;
  transition: transform var(--transition);
  color: var(--c-accent);
  flex-shrink: 0;
  margin-left: 16px;
}
.faq-item.open .faq-chevron { transform: rotate(180deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}
.faq-item.open .faq-answer {
  max-height: 400px;
  padding: 0 24px 20px;
}
.faq-answer p {
  color: var(--c-text-dim);
  font-size: 0.92rem;
  line-height: 1.7;
}

/* ===== CONTACT DUAL ===== */
.contact-dual { background: var(--c-surface); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.contact-form-block { }
.contact-form {
  display: grid;
  gap: 16px;
}
.form-group { }
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: 6px;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  color: var(--c-text);
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--c-accent);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-success {
  display: none;
  background: rgba(52,211,153,0.1);
  border: 1px solid var(--c-green);
  border-radius: var(--radius-sm);
  padding: 16px;
  color: var(--c-green);
  font-weight: 600;
  text-align: center;
}
.contact-details { }
.contact-details h4 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--c-heading);
  margin-bottom: 20px;
}
.contact-info-list { list-style: none; display: grid; gap: 16px; }
.contact-info-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.contact-info-list .ci-icon {
  width: 40px; height: 40px;
  background: var(--c-accent-soft);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}
.contact-info-list .ci-text strong {
  display: block;
  color: var(--c-text);
  font-size: 0.85rem;
  margin-bottom: 2px;
}
.contact-info-list .ci-text span {
  color: var(--c-text-dim);
  font-size: 0.88rem;
}

/* ===== CTA BANNER ===== */
.cta-banner {
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(99,102,241,0.08), rgba(167,139,250,0.06));
  pointer-events: none;
}
.cta-inner {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
}
.cta-inner h2 {
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--c-heading);
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}
.cta-inner p {
  font-size: 1.1rem;
  color: var(--c-text-dim);
  margin-bottom: 32px;
  line-height: 1.7;
}

/* ===== SCROLL REVEAL ===== */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-text p { max-width: 100%; }
  .hero-buttons { justify-content: center; }
  .hero-visual { order: -1; }
  .hero-geo { width: 300px; height: 300px; }
  .hero-geo-inner { width: 180px; height: 180px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .bento-grid { grid-template-columns: 1fr 1fr; }
  .bento-item.large { grid-column: span 2; }
  .vision-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .tab-panel-content { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .site-nav .nav-links {
    position: fixed;
    top: 68px; left: 0; right: 0; bottom: 0;
    background: var(--c-bg);
    flex-direction: column;
    justify-content: center;
    gap: 24px;
    transform: translateX(100%);
    transition: transform var(--transition);
    z-index: 999;
    padding: 40px;
  }
  .site-nav .nav-links.open { transform: translateX(0); }
  .mobile-toggle { display: flex; }
  .home-page .section-title { font-size: 2rem; }
  .hero-text h1 { font-size: 2.4rem; }
  .hero-section { padding-top: 140px !important; padding-bottom: 80px !important; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .bento-grid { grid-template-columns: 1fr; }
  .bento-item.large { grid-column: span 1; flex-direction: column; }
  .timeline-track { padding-left: 30px; }
  .timeline-step { padding-left: 30px; }
  .timeline-step::before { left: -25px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 480px) {
  .hero-text h1 { font-size: 2rem; }
  .home-page .section-title { font-size: 1.7rem; }
  .stat-item .stat-number { font-size: 2rem; }
  .tabs-nav { flex-wrap: nowrap; overflow-x: auto; }
}