/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 1.125rem 0;
  transition: background var(--transition-slow), padding var(--transition-slow), border-color var(--transition-slow);
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(5, 13, 31, 0.88);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom-color: var(--border-subtle);
  padding: 0.75rem 0;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  flex-shrink: 0;
}
.nav-logo-mark {
  width: 34px; height: 34px;
  background: var(--gradient-primary);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 900;
  color: white; letter-spacing: -1px;
  flex-shrink: 0;
}
.nav-logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.nav-logo-name { font-size: 0.9375rem; font-weight: 700; letter-spacing: 0.06em; color: var(--text-primary); }
.nav-logo-sub  { font-size: 0.5625rem; letter-spacing: 0.1em; color: var(--text-secondary); text-transform: uppercase; }

/* Links */
.nav-links { display: flex; align-items: center; gap: 2px; }
.nav-link {
  font-size: var(--text-sm); font-weight: 500;
  color: var(--text-secondary);
  padding: 0.4375rem 0.875rem;
  border-radius: var(--radius);
  transition: color var(--transition), background var(--transition);
}
.nav-link:hover, .nav-link.active { color: var(--text-primary); background: rgba(255,255,255,0.06); }
.nav-link.active { color: var(--primary-light); }

/* Right side */
.nav-right { display: flex; align-items: center; gap: 0.75rem; flex-shrink: 0; }

/* Language switcher */
.lang-switcher {
  display: flex;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: 3px; gap: 2px;
}
.lang-btn {
  padding: 0.1875rem 0.625rem;
  border-radius: var(--radius-full);
  font-size: 0.6875rem; font-weight: 700;
  color: var(--text-secondary);
  transition: all var(--transition);
  letter-spacing: 0.03em;
}
.lang-btn.active { background: var(--primary); color: white; }

/* Hamburger */
.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 0.5rem; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--text-primary); border-radius: 2px; transition: all 0.3s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile drawer */
.nav-drawer {
  position: fixed; top: 0; right: -100%;
  width: min(360px, 100%); height: 100vh;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border);
  z-index: 999;
  padding: 5.5rem 1.75rem 2rem;
  transition: right var(--transition-slow);
  overflow-y: auto;
}
.nav-drawer.open { right: 0; }
.nav-drawer .nav-link { display: block; padding: 0.875rem 0; font-size: var(--text-lg); border-bottom: 1px solid var(--border-subtle); border-radius: 0; }
.nav-drawer .nav-right { flex-direction: column; align-items: flex-start; margin-top: var(--space-lg); }

.nav-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.65);
  z-index: 998; opacity: 0; pointer-events: none;
  transition: opacity var(--transition-slow);
}
.nav-overlay.active { opacity: 1; pointer-events: all; }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 0.5rem;
  padding: 0.6875rem 1.625rem;
  border-radius: var(--radius);
  font-size: var(--text-sm); font-weight: 600;
  letter-spacing: 0.01em;
  transition: all var(--transition);
  cursor: pointer; border: 1px solid transparent;
  white-space: nowrap; position: relative; overflow: hidden;
}
.btn-primary {
  background: var(--gradient-primary); color: white;
  box-shadow: var(--shadow-primary);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 40px rgba(37,99,235,0.45); }
.btn-primary:active { transform: translateY(0); }

.btn-accent { background: var(--gradient-accent); color: white; box-shadow: var(--shadow-accent); }
.btn-accent:hover { transform: translateY(-2px); box-shadow: 0 14px 40px rgba(16,185,129,0.45); }

.btn-outline { background: transparent; color: var(--text-primary); border-color: var(--border); }
.btn-outline:hover { border-color: var(--primary-light); color: var(--primary-light); background: rgba(37,99,235,0.06); }

.btn-ghost { background: rgba(255,255,255,0.05); color: var(--text-primary); border-color: var(--border); }
.btn-ghost:hover { background: rgba(255,255,255,0.09); }

.btn-lg { padding: 0.9375rem 2.25rem; font-size: var(--text-base); }
.btn-sm { padding: 0.4375rem 1.125rem; font-size: var(--text-xs); }

.btn-group { display: flex; flex-wrap: wrap; gap: 0.75rem; }

/* Arrow icon in button */
.btn-arrow::after { content: ' →'; }
.btn:hover .btn-arrow-icon { transform: translateX(3px); }
.btn-arrow-icon { display: inline-block; transition: transform var(--transition); }

/* ============================================================
   CARDS
   ============================================================ */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-slow);
}
.card:hover {
  border-color: rgba(37,99,235,0.35);
  box-shadow: 0 0 0 1px rgba(37,99,235,0.08), var(--shadow-lg);
  transform: translateY(-4px);
}
.card-sm { padding: var(--space-lg); }
.card-accent { border-color: rgba(16,185,129,0.25); background: linear-gradient(145deg, rgba(16,185,129,0.05) 0%, var(--bg-surface) 100%); }
.card-primary { border-color: rgba(37,99,235,0.25); background: linear-gradient(145deg, rgba(37,99,235,0.05) 0%, var(--bg-surface) 100%); }

/* Feature icon box */
.icon-box {
  width: 52px; height: 52px;
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.375rem;
  margin-bottom: var(--space-md);
  background: rgba(37,99,235,0.1);
  border: 1px solid rgba(37,99,235,0.2);
  flex-shrink: 0;
}
.icon-box-accent { background: rgba(16,185,129,0.1); border-color: rgba(16,185,129,0.2); }
.icon-box-warm   { background: rgba(245,158,11,0.1);  border-color: rgba(245,158,11,0.2); }
.icon-box-lg { width: 72px; height: 72px; font-size: 2rem; border-radius: var(--radius-lg); }

.card h3 { font-size: var(--text-xl); font-weight: 600; margin-bottom: 0.625rem; }
.card .card-desc { color: var(--text-secondary); line-height: 1.7; font-size: var(--text-sm); }

/* ============================================================
   STAT / COUNTER
   ============================================================ */
.stat-card { text-align: center; padding: var(--space-xl); }
.stat-number {
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  font-weight: 900; line-height: 1; margin-bottom: 0.5rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.stat-label { font-size: var(--text-sm); color: var(--text-secondary); line-height: 1.45; }

/* ============================================================
   BADGE
   ============================================================ */
.badge {
  display: inline-flex; align-items: center; gap: 0.375rem;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: var(--text-xs); font-weight: 600; letter-spacing: 0.03em;
}
.badge-primary { background: rgba(37,99,235,0.12); color: var(--primary-light); border: 1px solid rgba(37,99,235,0.22); }
.badge-accent  { background: rgba(16,185,129,0.12); color: var(--accent);       border: 1px solid rgba(16,185,129,0.22); }
.badge-warm    { background: rgba(245,158,11,0.12); color: var(--warm);         border: 1px solid rgba(245,158,11,0.22); }
.badge-neutral { background: rgba(255,255,255,0.06); color: var(--text-secondary); border: 1px solid var(--border); }

/* ============================================================
   CTA BANNER
   ============================================================ */
.cta-banner {
  background: linear-gradient(135deg, rgba(37,99,235,0.14) 0%, rgba(16,185,129,0.07) 100%);
  border: 1px solid rgba(37,99,235,0.22);
  border-radius: var(--radius-xl);
  padding: var(--space-3xl) var(--space-xl);
  text-align: center; position: relative; overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute; top: -50%; left: -50%; width: 200%; height: 200%;
  background: radial-gradient(ellipse at center, rgba(37,99,235,0.07) 0%, transparent 60%);
  pointer-events: none;
}
.cta-banner > * { position: relative; z-index: 1; }
.cta-banner h2 { font-size: clamp(1.75rem, 4vw, 2.75rem); margin-bottom: var(--space-md); }
.cta-banner .lead { max-width: 580px; margin: 0 auto var(--space-xl); }

/* ============================================================
   PROCESS STEPS
   ============================================================ */
.process-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg); position: relative;
}
.process-grid::before {
  content: '';
  position: absolute; top: 31px; left: 12.5%; right: 12.5%;
  height: 2px;
  background: linear-gradient(to right, var(--primary), var(--accent));
  z-index: 0;
}
.process-step { position: relative; z-index: 1; text-align: center; }
.process-step-num {
  width: 62px; height: 62px;
  background: var(--bg-surface);
  border: 2px solid var(--primary);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: var(--text-2xl); font-weight: 800;
  color: var(--primary-light);
  margin: 0 auto var(--space-md);
}
.process-step h3 { font-size: var(--text-base); font-weight: 600; margin-bottom: 0.375rem; }
.process-step p  { font-size: var(--text-sm); color: var(--text-secondary); line-height: 1.6; }

/* ============================================================
   FAQ ACCORDION
   ============================================================ */
.faq-item { border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; margin-bottom: 0.625rem; }
.faq-q {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.25rem var(--space-lg); cursor: pointer;
  background: var(--bg-surface); transition: background var(--transition);
  gap: 1rem;
}
.faq-q:hover { background: var(--bg-elevated); }
.faq-q h3 { font-size: var(--text-base); font-weight: 500; color: var(--text-primary); flex: 1; text-align: left; line-height: 1.45; }
.faq-icon {
  width: 26px; height: 26px; flex-shrink: 0;
  border: 1px solid var(--border); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; line-height: 1; color: var(--text-muted);
  transition: all var(--transition);
}
.faq-item.open .faq-icon { transform: rotate(45deg); background: var(--primary); border-color: var(--primary); color: white; }
.faq-a {
  padding: 0 var(--space-lg); max-height: 0; overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition-slow);
  background: var(--bg-surface);
}
.faq-item.open .faq-a { max-height: 600px; padding: 0 var(--space-lg) 1.25rem; }
.faq-a p { line-height: 1.75; color: var(--text-secondary); }

/* ============================================================
   FORM
   ============================================================ */
.form-group  { margin-bottom: var(--space-md); }
.form-row    { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-md); }
.form-label  { display: block; font-size: var(--text-sm); font-weight: 500; color: var(--text-secondary); margin-bottom: 0.4375rem; }
.form-label .req { color: #ef4444; margin-left: 2px; }
.form-control {
  width: 100%;
  background: var(--bg-elevated); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 0.75rem 1rem;
  color: var(--text-primary); font-size: var(--text-sm);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-control::placeholder { color: var(--text-muted); }
.form-control:focus { border-color: var(--primary-light); box-shadow: 0 0 0 3px rgba(37,99,235,0.15); }
textarea.form-control { min-height: 140px; resize: vertical; }
select.form-control { cursor: pointer; }
.form-success {
  background: rgba(16,185,129,0.1); border: 1px solid rgba(16,185,129,0.3);
  border-radius: var(--radius-lg); padding: var(--space-xl);
  color: var(--accent); text-align: center; display: none;
}
.form-success h3 { color: var(--accent); margin-bottom: 0.5rem; }
.form-success p { color: var(--text-secondary); }

/* ============================================================
   TAGS / INDUSTRY CLOUD
   ============================================================ */
.tag-cloud { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.tag {
  display: inline-flex; align-items: center; gap: 0.375rem;
  padding: 0.5rem 1rem;
  background: rgba(255,255,255,0.04); border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-size: var(--text-sm); color: var(--text-secondary);
  transition: all var(--transition);
}
.tag:hover { border-color: var(--primary-light); color: var(--primary-light); background: rgba(37,99,235,0.06); }

/* ============================================================
   CASE STUDY CARD
   ============================================================ */
.case-card {
  background: var(--bg-surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden;
  transition: all var(--transition-slow);
}
.case-card:hover { border-color: rgba(37,99,235,0.3); transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.case-card-head {
  padding: 1.25rem var(--space-xl);
  background: linear-gradient(135deg, rgba(37,99,235,0.08), rgba(16,185,129,0.04));
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}
.case-card-body { padding: var(--space-xl); }
.case-metrics  { display: flex; gap: var(--space-lg); flex-wrap: wrap; margin-top: var(--space-lg); padding-top: var(--space-lg); border-top: 1px solid var(--border-subtle); }
.case-metric   { display: flex; flex-direction: column; gap: 4px; }
.metric-value  { font-size: var(--text-2xl); font-weight: 800; color: var(--accent); line-height: 1; }
.metric-label  { font-size: var(--text-xs); color: var(--text-muted); }

/* ============================================================
   INSIGHT / BLOG CARD
   ============================================================ */
.insight-card {
  background: var(--bg-surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden;
  transition: all var(--transition-slow); display: flex; flex-direction: column;
}
.insight-card:hover { border-color: rgba(37,99,235,0.3); transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.insight-card-top { background: linear-gradient(135deg, rgba(37,99,235,0.08), rgba(16,185,129,0.04)); padding: 1.5rem var(--space-xl) 1.25rem; border-bottom: 1px solid var(--border); }
.insight-card-body { padding: var(--space-xl); flex: 1; display: flex; flex-direction: column; }
.insight-card h3 { font-size: var(--text-xl); font-weight: 600; margin-bottom: 0.625rem; line-height: 1.35; }
.insight-card h3 a:hover { color: var(--primary-light); }
.insight-card p { color: var(--text-secondary); font-size: var(--text-sm); line-height: 1.7; flex: 1; }
.insight-meta { display: flex; align-items: center; gap: 0.75rem; font-size: var(--text-xs); color: var(--text-muted); margin-top: var(--space-md); padding-top: var(--space-md); border-top: 1px solid var(--border-subtle); }
.insight-meta-dot { width: 3px; height: 3px; border-radius: 50%; background: var(--text-muted); }

/* ============================================================
   VALUE ROW (alternating feature sections)
   ============================================================ */
.value-row {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl); align-items: center;
  padding: var(--space-2xl) 0;
  border-bottom: 1px solid var(--border-subtle);
}
.value-row:last-child { border-bottom: none; }
.value-row.reverse .value-content { order: 2; }
.value-row.reverse .value-visual  { order: 1; }
.value-big-num { font-size: 6rem; font-weight: 900; line-height: 1; color: rgba(37,99,235,0.08); margin-bottom: 0.5rem; }
.value-content h3 { font-size: clamp(1.375rem, 2.5vw, 1.875rem); font-weight: 700; margin-bottom: var(--space-md); }
.value-content p  { color: var(--text-secondary); line-height: 1.8; font-size: var(--text-lg); }
.value-visual {
  background: var(--bg-surface); border: 1px solid var(--border);
  border-radius: var(--radius-xl); padding: var(--space-2xl);
  text-align: center; min-height: 300px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: var(--space-md);
}
.value-visual-icon { font-size: 4rem; }
.value-visual p { font-size: var(--text-sm); color: var(--text-muted); max-width: 240px; margin: 0; line-height: 1.6; }

/* ============================================================
   INFO TABLE
   ============================================================ */
.info-table { width: 100%; border-collapse: collapse; }
.info-table tr { border-bottom: 1px solid var(--border-subtle); }
.info-table tr:last-child { border-bottom: none; }
.info-table td { padding: 0.875rem 0; font-size: var(--text-sm); vertical-align: top; }
.info-table td:first-child { color: var(--text-muted); font-weight: 500; width: 170px; padding-right: 1rem; }
.info-table td:last-child  { color: var(--text-primary); }

/* ============================================================
   SCROLL TO TOP
   ============================================================ */
.scroll-top {
  position: fixed; bottom: 1.75rem; right: 1.75rem;
  width: 42px; height: 42px; background: var(--primary);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  cursor: pointer; opacity: 0; transform: translateY(16px);
  transition: all var(--transition); z-index: 100;
  color: white; font-size: 18px; box-shadow: var(--shadow-primary);
}
.scroll-top.visible { opacity: 1; transform: translateY(0); }
.scroll-top:hover   { transform: translateY(-3px); box-shadow: 0 14px 36px rgba(37,99,235,0.5); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  padding: var(--space-3xl) 0 var(--space-xl);
}
.footer-grid {
  display: grid; grid-template-columns: 1.6fr repeat(3, 1fr);
  gap: var(--space-xl); margin-bottom: var(--space-2xl);
}
.footer-brand .nav-logo { margin-bottom: var(--space-md); display: inline-flex; }
.footer-brand p { font-size: var(--text-sm); color: var(--text-secondary); line-height: 1.7; margin-bottom: var(--space-md); }
.footer-contact-item { display: flex; align-items: flex-start; gap: 0.5rem; font-size: var(--text-sm); color: var(--text-secondary); margin-bottom: 0.5rem; }
.footer-contact-item a:hover { color: var(--primary-light); }
.footer-col-title { font-size: var(--text-xs); font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-primary); margin-bottom: var(--space-md); }
.footer-links { display: flex; flex-direction: column; gap: 0.5rem; }
.footer-link { font-size: var(--text-sm); color: var(--text-secondary); transition: color var(--transition); padding: 2px 0; }
.footer-link:hover { color: var(--primary-light); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; padding-top: var(--space-lg); border-top: 1px solid var(--border-subtle); }
.footer-bottom p { font-size: var(--text-xs); color: var(--text-muted); }
.footer-bottom .lang-switcher { scale: 0.9; }

/* ============================================================
   HERO — INDEX SPECIFIC
   ============================================================ */
.hero-section {
  position: relative; min-height: 100vh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  overflow: hidden; background: var(--bg-primary);
  padding: var(--nav-height) 0 0;
}
#hero-canvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%; pointer-events: none; z-index: 0;
}
.hero-content { position: relative; z-index: 1; text-align: center; padding: 5rem 0 4rem; }
.hero-eyebrow { display: inline-flex; align-items: center; gap: 0.625rem; background: rgba(37,99,235,0.1); border: 1px solid rgba(37,99,235,0.25); border-radius: var(--radius-full); padding: 0.3125rem 1rem; font-size: var(--text-xs); font-weight: 600; color: var(--primary-light); letter-spacing: 0.05em; margin-bottom: var(--space-lg); }
.hero-eyebrow-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); animation: pulse 2s ease-in-out infinite; }
.hero-title { margin-bottom: var(--space-lg); }
.hero-subtitle { font-size: var(--text-lg); color: var(--text-secondary); max-width: 640px; margin: 0 auto var(--space-xl); line-height: 1.75; }
.hero-scroll { position: absolute; bottom: 2.5rem; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 0.5rem; color: var(--text-muted); font-size: var(--text-xs); letter-spacing: 0.1em; text-transform: uppercase; animation: float 3s ease-in-out infinite; }
.hero-scroll-line { width: 1px; height: 36px; background: linear-gradient(to bottom, var(--primary-light), transparent); }

/* Stats bar */
.stats-bar { background: var(--bg-surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.stats-bar-inner { display: grid; grid-template-columns: repeat(4, 1fr); }
.stats-bar-item { padding: var(--space-xl) var(--space-lg); text-align: center; border-right: 1px solid var(--border); }
.stats-bar-item:last-child { border-right: none; }
.stats-bar-num { font-size: clamp(1.75rem, 3.5vw, 2.75rem); font-weight: 900; line-height: 1; margin-bottom: 0.375rem; background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.stats-bar-label { font-size: var(--text-xs); color: var(--text-secondary); line-height: 1.4; max-width: 160px; margin: 0 auto; }

/* Dot list */
.dot-list { display: flex; flex-direction: column; gap: 0.625rem; }
.dot-list li { display: flex; align-items: flex-start; gap: 0.625rem; font-size: var(--text-sm); color: var(--text-secondary); line-height: 1.6; }
.dot-list li::before { content: ''; display: block; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); margin-top: 0.4375rem; flex-shrink: 0; }