/* ═══════════════════════════════════════════════════
   SYSTEXCE – CORPORATE WEBSITE
   Design System: Enterprise Minimalism / IBM Plex Sans
   Colors: Navy #0B1F3A | Blue #1E3A8A | Gold #A16207
═══════════════════════════════════════════════════ */

/* ── CUSTOM PROPERTIES ── */
:root {
  --navy:       #0B1F3A;
  --navy-deep:  #06122A;
  --blue:       #1E3A8A;
  --blue-mid:   #1d4ed8;
  --blue-light: #3B82F6;
  --gold:       #A16207;
  --gold-light: #CA8A04;
  --white:      #FFFFFF;
  --bg:         #F8FAFC;
  --bg-subtle:  #F1F5F9;
  --text:       #0F172A;
  --text-mid:   #334155;
  --text-muted: #64748B;
  --border:     #E2E8F0;
  --border-mid: #CBD5E1;

  --font-sans: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-serif: 'IBM Plex Serif', Georgia, serif;

  --radius-sm: 4px;
  --radius:    8px;
  --radius-lg: 12px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow:    0 4px 12px rgba(0,0,0,.08), 0 2px 4px rgba(0,0,0,.05);
  --shadow-lg: 0 16px 48px rgba(0,0,0,.12), 0 4px 12px rgba(0,0,0,.06);

  --transition: 200ms ease;
  --transition-slow: 400ms ease;

  --container: 1200px;
  --header-h: 72px;
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, select, textarea { font-family: inherit; font-size: inherit; }

/* ── UTILITY ── */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.bg-subtle { background: var(--bg-subtle); }
.bg-dark   { background: var(--navy-deep); }
.mt-4      { margin-top: 1rem; }
.mt-6      { margin-top: 1.5rem; }
.w-full    { width: 100%; }

/* ── TYPOGRAPHY SCALE ── */
.section-eyebrow {
  display: block;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--gold-light);
  margin-bottom: .75rem;
}
.section-eyebrow.light { color: var(--gold-light); }

.section-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--navy);
  line-height: 1.2;
  letter-spacing: -.02em;
  margin-bottom: 1rem;
}
.section-title.light { color: var(--white); }
.section-title.centered { text-align: center; }

.section-subtitle {
  font-size: 1.0625rem;
  color: var(--text-muted);
  max-width: 620px;
  margin: 0 auto;
  text-align: center;
  line-height: 1.7;
}

.section-header {
  margin-bottom: 3.5rem;
  text-align: center;
}

/* ── SECTION SPACING ── */
.section {
  padding: 96px 0;
}

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .625rem 1.375rem;
  font-size: .9375rem;
  font-weight: 600;
  line-height: 1.4;
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition),
              border-color var(--transition), box-shadow var(--transition),
              transform var(--transition);
  cursor: pointer;
  white-space: nowrap;
}
.btn:focus-visible {
  outline: 3px solid var(--blue-light);
  outline-offset: 2px;
}
.btn-lg { padding: .875rem 2rem; font-size: 1rem; }

.btn-primary {
  background: linear-gradient(135deg, #4c6fff 0%, #3b5bdb 100%);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 
    0 8px 20px rgba(63, 87, 214, 0.28),
    0 2px 6px rgba(0, 0, 0, 0.16);
}

/* Hover más premium (más luz, no más oscuro) */
.btn-primary:hover {
  background: linear-gradient(135deg, #5a7bff 0%, #4c6fff 100%);
  transform: translateY(-2px);
  box-shadow: 
    0 14px 30px rgba(79, 107, 255, 0.34),
    0 4px 10px rgba(0, 0, 0, 0.18);
}

/* Active (cuando haces click) */
.btn-primary:active {
  transform: translateY(0);
  box-shadow: 
    0 6px 14px rgba(63, 87, 214, 0.24),
    0 2px 6px rgba(0, 0, 0, 0.14);
}

/*.btn-primary {
  background: var(--blue);
  color: var(--white);
  border: 2px solid var(--blue);
}
.btn-primary:hover {
  background: var(--navy);
  border-color: var(--navy);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(30,58,138,.25);
} */

.btn-ghost {
  background: transparent;
  color: var(--text-mid);
  border: 2px solid var(--border-mid);
}
.btn-ghost:hover {
  background: var(--bg-subtle);
  border-color: var(--text-muted);
}

.btn-outline-white {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,.45);
}
.btn-outline-white:hover {
  background: rgba(255,255,255,.1);
  border-color: rgba(255,255,255,.8);
}

.btn-outline-light {
  background: transparent;
  color: rgba(255,255,255,.75);
  border: 1px solid rgba(255,255,255,.25);
  font-size: .875rem;
}
.btn-outline-light:hover {
  color: var(--white);
  border-color: rgba(255,255,255,.6);
}

.btn-white-trans {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}
.btn-white-trans:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--blue);
}

/* ── SCROLL REVEAL ── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ══════════════════════════════════════════════
   HEADER
══════════════════════════════════════════════ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(255,255,255,.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition-slow);
}
.site-header.scrolled {
  box-shadow: 0 4px 20px rgba(0,0,0,.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 2rem;
}

.logo-img {
  height: 71px;      /* ajusta según tu header */
  width: auto;
  display: block;
  object-fit: contain;
}

.logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
  flex-shrink: 0;
}
/*.logo-mark {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -.02em;
}
.logo-sub {
  font-size: .625rem;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 1px;
}*/

.main-nav { flex: 1; display: flex; justify-content: center; }
.nav-list { display: flex; gap: 2rem; align-items: center; }
.nav-link {
  font-size: .875rem;
  font-weight: 500;
  color: var(--text-mid);
  transition: color var(--transition);
  position: relative;
  padding-bottom: 2px;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 2px;
  background: var(--blue);
  transition: width var(--transition);
}
.nav-link:hover { color: var(--navy); }
.nav-link:hover::after { width: 100%; }

.header-actions {
  display: flex;
  align-items: center;
  gap: .75rem;
  flex-shrink: 0;
}

/* Language switcher */
.lang-switcher, .mobile-lang {
  display: flex;
  align-items: center;
  gap: .375rem;
  font-size: .8125rem;
  font-weight: 600;
  cursor: pointer;
  padding: .25rem .5rem;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}
.lang-switcher:hover { background: var(--bg-subtle); }
.lang-opt {
  color: var(--text-muted);
  cursor: pointer;
  transition: color var(--transition);
  padding: 2px 4px;
}
.lang-opt.active { color: var(--blue); font-weight: 700; }
.lang-opt:hover { color: var(--navy); }
.lang-divider { color: var(--border-mid); font-weight: 300; }

/* Mobile menu button */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: .5rem;
  border-radius: var(--radius-sm);
}
.mobile-menu-btn span {
  display: block;
  width: 22px; height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.mobile-menu-btn.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mobile-menu-btn.open span:nth-child(2) { opacity: 0; }
.mobile-menu-btn.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav */
.mobile-nav {
  /*display: none;*/
  background: var(--white);
  border-top: 1px solid var(--border);
  /*padding: 1.5rem 1.5rem 2rem;*/
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
}
.mobile-nav.open {
  max-height: 600px;
}

.mobile-nav-list { 
  display: flex; 
  flex-direction: column; 
  gap: .75rem;
  padding: 1.5rem 1.5rem 2rem;
}

.mobile-nav-link {
  display: block;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-mid);
  padding: .5rem 0;
  border-bottom: 1px solid var(--bg-subtle);
}
.mobile-nav-divider { border-top: 1px solid var(--border); margin: .5rem 0; }
.mobile-lang { padding: .5rem 0; }

/* ══════════════════════════════════════════════
   HERO
══════════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-h);
  overflow: hidden;
}

.hero-carousel {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-color: var(--navy-deep);
  opacity: 0;
  transition: opacity 1.2s ease;
}
.hero-slide.active { opacity: 1; }

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    135deg,
    rgba(6,18,42,.88) 0%,
    rgba(11,31,58,.75) 60%,
    rgba(30,58,138,.35) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 6rem 24px 4rem;
  display: flex;
  flex-direction: column;
  gap: 4rem;
  width: 100%;
}

.hero-text { max-width: 760px; }

.hero-eyebrow {
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--gold-light);
  margin-bottom: 1.25rem;
}

.hero-headline {
  font-size: clamp(1.625rem, 3.5vw, 2.75rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.2;
  letter-spacing: -.025em;
  margin-bottom: 1.5rem;
  max-width: 700px;
}

.hero-sub {
  font-size: clamp(.9375rem, 1.5vw, 1.125rem);
  color: rgba(255,255,255,.75);
  max-width: 580px;
  line-height: 1.7;
  margin-bottom: 2.25rem;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius);
  overflow: hidden;
  max-width: 760px;
}

.hero-stat {
  display: flex;
  flex-direction: column;
  gap: .25rem;
  padding: 1.25rem 1.5rem;
  background: rgba(6,18,42,.5);
  backdrop-filter: blur(8px);
}
.hero-stat-value {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  color: var(--white);
  letter-spacing: -.02em;
  line-height: 1;
}
.hero-stat-label {
  font-size: .75rem;
  font-weight: 500;
  color: rgba(255,255,255,.6);
  line-height: 1.4;
  text-transform: uppercase;
  letter-spacing: .05em;
}

.carousel-dots {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  gap: .5rem;
}
.dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: rgba(255,255,255,.4);
  border: none;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}
.dot.active {
  background: var(--white);
  transform: scale(1.4);
}

/* ══════════════════════════════════════════════
   TRUST STRIP
══════════════════════════════════════════════ */
.trust-strip {
  background: var(--navy);
  padding: 64px 0;
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius);
  overflow: hidden;
}
.trust-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 2rem 1.25rem;
  background: rgba(11,31,58,.6);
  gap: .5rem;
  transition: background var(--transition);
}
.trust-card:hover { background: rgba(30,58,138,.3); }
.trust-number {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  color: var(--white);
  letter-spacing: -.03em;
  line-height: 1;
}
.trust-label {
  font-size: .75rem;
  font-weight: 500;
  color: rgba(255,255,255,.55);
  text-transform: uppercase;
  letter-spacing: .08em;
  line-height: 1.4;
}

/* ══════════════════════════════════════════════
   ABOUT
══════════════════════════════════════════════ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.about-body {
  color: var(--text-mid);
  line-height: 1.75;
  margin-bottom: 1rem;
  font-size: 1.0125rem;
}
.about-visual-inner {
  position: relative;
}
.about-img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  background: var(--bg-subtle);
  /* Placeholder color when image is missing */
  background-color: var(--bg-subtle);
}
.about-badge {
  position: absolute;
  bottom: -1.5rem;
  left: -1.5rem;
  background: var(--navy);
  color: var(--white);
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: .25rem;
}
.about-badge-year {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -.04em;
  line-height: 1;
}
.about-badge-text {
  font-size: .75rem;
  font-weight: 500;
  color: rgba(255,255,255,.65);
  line-height: 1.4;
  text-transform: uppercase;
  letter-spacing: .06em;
}

/* ══════════════════════════════════════════════
   DIFFERENTIATORS
══════════════════════════════════════════════ */
.diff-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.diff-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}
.diff-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--blue);
}
.diff-icon {
  width: 44px; height: 44px;
  margin-bottom: 1.25rem;
  color: var(--blue);
}
.diff-icon svg { width: 100%; height: 100%; }
.diff-title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: .5rem;
  letter-spacing: -.01em;
}
.diff-body {
  font-size: .9375rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ══════════════════════════════════════════════
   SOLUTIONS
══════════════════════════════════════════════ */
.solutions-tabs {
  display: flex;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 2.5rem;
  background: var(--bg-subtle);
}
.tab-btn {
  flex: 1;
  padding: .875rem 1.25rem;
  font-size: .875rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: background var(--transition), color var(--transition);
  border-right: 1px solid var(--border);
  text-align: center;
}
.tab-btn:last-child { border-right: none; }
.tab-btn.active {
  background: var(--blue);
  color: var(--white);
}
.tab-btn:hover:not(.active) {
  background: var(--border);
  color: var(--navy);
}

.tab-panel { display: none; }
.tab-panel.active { display: block; }

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.sol-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: box-shadow var(--transition), border-color var(--transition);
}
.sol-card:hover {
  box-shadow: var(--shadow);
  border-color: var(--blue-light);
}
.sol-icon {
  width: 36px; height: 36px;
  margin-bottom: 1rem;
  color: var(--blue);
}
.sol-icon svg { width: 100%; height: 100%; }
.sol-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: .5rem;
  letter-spacing: -.01em;
}
.sol-card p {
  font-size: .875rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ══════════════════════════════════════════════
   FINTECH SPECIALIZATION
══════════════════════════════════════════════ */
.fintech-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.fintech-body {
  color: var(--text-mid);
  line-height: 1.75;
  margin-bottom: 1rem;
  font-size: 1.0125rem;
}
.fintech-badges {
  display: flex;
  flex-wrap: wrap;
  gap: .625rem;
  margin-top: 1.5rem;
}
.badge {
  display: inline-flex;
  align-items: center;
  padding: .375rem .875rem;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--blue);
  background: rgba(30,58,138,.07);
  border: 1px solid rgba(30,58,138,.2);
  border-radius: 100px;
  transition: background var(--transition), color var(--transition);
}
.badge:hover {
  background: var(--blue);
  color: var(--white);
}
.fintech-img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  background-color: var(--bg-subtle);
}

/* ══════════════════════════════════════════════
   CASE STUDIES — SELECTOR + PANEL LAYOUT
══════════════════════════════════════════════ */

/* Wrapper principal: 30/70 */
.cases-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 480px;
}

/* ── SELECTOR (izquierda) ── */
.cases-selector {
  display: flex;
  flex-direction: column;
  background: var(--bg-subtle);
}

.case-selector-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.75rem 1.5rem;
  text-align: left;
  background: var(--bg-subtle);
  border: none;
  border-left: 3px solid transparent;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition:
    background var(--transition),
    border-color var(--transition);
  width: 100%;
}

.case-selector-item:last-child {
  border-bottom: none;
}

.case-selector-item:hover {
  background: var(--white);
  border-left-color: var(--blue-light);
}

.case-selector-item.active {
  background: var(--white);
  border-left-color: var(--blue-mid);
}

/* Número del caso */
.case-selector-num {
  font-size: .75rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: .1em;
  padding-top: 2px;
  flex-shrink: 0;
  transition: color var(--transition);
}

.case-selector-item.active .case-selector-num,
.case-selector-item:hover .case-selector-num {
  color: var(--blue-mid);
}

/* Info del selector */
.case-selector-info {
  display: flex;
  flex-direction: column;
  gap: .375rem;
}

.case-selector-category {
  font-size: .6875rem;
  font-weight: 600;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color var(--transition);
}

.case-selector-item.active .case-selector-category {
  color: var(--blue-mid);
}

.case-selector-title {
  font-size: .875rem;
  font-weight: 600;
  color: var(--text-mid);
  line-height: 1.4;
  letter-spacing: -.01em;
  transition: color var(--transition);
}

.case-selector-item.active .case-selector-title,
.case-selector-item:hover .case-selector-title {
  color: var(--navy);
}

/* ── PANEL (derecha) ── */
.cases-panel {
  background: var(--white);
  position: relative;
  overflow: hidden;
}

/* Panel individual — oculto por defecto */
.case-panel {
  position: absolute;
  inset: 0;
  padding: 2.5rem 3rem;
  display: flex;
  flex-direction: column;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition:
    opacity 300ms ease,
    transform 300ms ease;
}

/* Panel activo */
.case-panel.active {
  position: relative;
  opacity: 1;
  pointer-events: auto;
  transform: none;
}

/* Título principal del case */
.case-panel-title {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  font-weight: 700;
  color: var(--navy);
  line-height: 1.3;
  letter-spacing: -.02em;
  margin-bottom: 1rem;
}

/* Tags debajo del título */
.case-panel-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: 1.75rem;
}

.case-panel-tags .client-tag {
  display: inline-flex;
  align-items: center;
  padding: .35rem .875rem;
  font-size: .6875rem;
  font-weight: 600;
  letter-spacing: .09em;
  text-transform: uppercase;
  border-radius: 999px;
  background: #EFF6FF;
  color: var(--blue-mid);
  border: 1px solid #BFDBFE;
  line-height: 1;
}

/* Cuerpo del case */
.case-panel-body {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.8;
  flex: 1;
  margin-bottom: 2rem;
  max-width: 680px;
}

/* Stats row */
.case-panel-stats {
  display: flex;
  gap: 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  margin-top: auto;
}

.case-stat {
  display: flex;
  flex-direction: column;
  gap: .375rem;
  padding: 0 2rem 0 0;
  margin-right: 2rem;
  border-right: 1px solid var(--border);
}

.case-stat:last-child {
  border-right: none;
  padding-right: 0;
  margin-right: 0;
}

.case-stat-value {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -.03em;
  line-height: 1.1;
  font-family: var(--font-sans);
}

.case-stat-label {
  font-size: .6375rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-muted);
  line-height: 1;
}

/* ── RESPONSIVE ── */

/* Tablet */
@media (max-width: 1024px) {
  .cases-layout {
    grid-template-columns: 260px 1fr;
  }
  .case-panel {
    padding: 2rem 2rem;
  }
  .case-panel-stats {
    gap: 1.75rem;
  }
}

/* Mobile — stack vertical */
@media (max-width: 768px) {
  .cases-layout {
    grid-template-columns: 1fr;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: visible;
    gap: 0;
  }

  .cases-selector {
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    border-bottom: 1px solid var(--border);
    flex-direction: row;
    overflow-x: auto;
    scrollbar-width: none;
  }
  .cases-selector::-webkit-scrollbar { display: none; }

  .case-selector-item {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 1rem 1.25rem;
    border-left: none;
    border-bottom: 3px solid transparent;
    border-right: 1px solid var(--border);
    min-width: 140px;
    flex: 1;
  }
  .case-selector-item:last-child {
    border-right: none;
  }
  .case-selector-item.active,
  .case-selector-item:hover {
    border-left-color: transparent;
    border-bottom-color: var(--blue-mid);
  }

  .case-selector-title {
    display: none;
  }

  .cases-panel {
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    border-top: none;
  }

  .case-panel {
    padding: 1.75rem 1.5rem;
  }

  .case-panel-stats {
    flex-wrap: wrap;
    gap: 1.25rem;
  }

  .case-stat {
    border-right: none;
    padding-right: 0;
    margin-right: 0;
    min-width: calc(50% - .625rem);
  }
}

/* Small mobile */
@media (max-width: 480px) {
  .case-panel {
    padding: 1.5rem 1.25rem;
  }
  .case-panel-stats {
    gap: 1rem;
  }
}

/* ══════════════════════════════════════════════
   INFRASTRUCTURE
══════════════════════════════════════════════ */
.infra-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}
.infra-body {
  color: rgba(255,255,255,.65);
  line-height: 1.75;
  margin-bottom: 1rem;
  font-size: 1.0125rem;
}
.infra-cards {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.infra-card {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  transition: background var(--transition), border-color var(--transition);
}
.infra-card:hover {
  background: rgba(255,255,255,.08);
  border-color: rgba(255,255,255,.2);
}
.infra-card-icon {
  width: 32px; height: 32px;
  flex-shrink: 0;
  color: var(--blue-light);
  margin-top: 2px;
}
.infra-card-icon svg { width: 100%; height: 100%; }
.infra-card h3 {
  font-size: .9375rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: .25rem;
  letter-spacing: -.01em;
}
.infra-card p {
  font-size: .875rem;
  color: rgba(255,255,255,.55);
  line-height: 1.6;
}

/* ══════════════════════════════════════════════
   CTA SECTION
══════════════════════════════════════════════ */
.cta-section {
  background: var(--bg-subtle);
  padding: 96px 0;
}
.cta-inner {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}
.cta-title {
  font-size: clamp(1.625rem, 3vw, 2.25rem);
  font-weight: 700;
  color: var(--navy);
  line-height: 1.25;
  letter-spacing: -.025em;
  margin-bottom: 1.25rem;
}
.cta-body {
  font-size: 1.0625rem;
  color: var(--text-mid);
  line-height: 1.7;
  margin-bottom: 2.5rem;
}
.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ══════════════════════════════════════════════
   CONTACT FORM
══════════════════════════════════════════════ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 5rem;
  align-items: start;
}
.contact-body {
  color: var(--text-muted);
  line-height: 1.75;
  margin: 1rem 0 1.5rem;
  font-size: 1.0125rem;
}
.contact-details {
  display: flex;
  flex-direction: column;
  gap: .75rem;
}
.contact-detail {
  display: flex;
  align-items: center;
  gap: .75rem;
  font-size: .9375rem;
  color: var(--text-mid);
}
.contact-detail svg {
  width: 18px; height: 18px;
  color: var(--blue);
  flex-shrink: 0;
}

.contact-form {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: .375rem;
  margin-bottom: 0;
}

label {
  font-size: .8125rem;
  font-weight: 600;
  color: var(--text-mid);
  letter-spacing: .01em;
}
.required { color: var(--blue-mid); }

input, select, textarea {
  width: 100%;
  padding: .625rem .875rem;
  border: 1.5px solid var(--border-mid);
  border-radius: var(--radius-sm);
  color: var(--text);
  background: var(--white);
  font-size: .9375rem;
  line-height: 1.5;
  transition: border-color var(--transition), box-shadow var(--transition);
  -webkit-appearance: none;
  appearance: none;
}
input::placeholder, textarea::placeholder { color: var(--text-muted); }
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(30,58,138,.12);
}
input.error, select.error, textarea.error {
  border-color: #DC2626;
}
textarea { resize: vertical; min-height: 110px; }
select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748B' stroke-width='2'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right .75rem center;
  background-size: 16px;
  padding-right: 2.5rem;
  cursor: pointer;
}

.form-error {
  font-size: .75rem;
  color: #DC2626;
  display: block;
  min-height: 1rem;
}
.form-group:last-of-type { margin-bottom: 1.5rem; }
.contact-form .form-group { margin-bottom: 1.25rem; }

.form-submit { width: 100%; margin-top: .5rem; }

.form-success {
  display: none;
  align-items: center;
  gap: .75rem;
  margin-top: 1.25rem;
  padding: 1rem 1.25rem;
  background: rgba(16,185,129,.08);
  border: 1px solid rgba(16,185,129,.3);
  border-radius: var(--radius);
  color: #065f46;
  font-size: .9375rem;
  font-weight: 500;
}
.form-success.show { display: flex; }
.form-success svg { width: 22px; height: 22px; flex-shrink: 0; }

/* ══════════════════════════════════════════════
   FOOTER
══════════════════════════════════════════════ */
.logo-img-footer{
  width: 250px;
  height: auto;
}

.site-footer {
  background: var(--navy-deep);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 4rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.site-footer .logo-mark { color: var(--white); }
.site-footer .logo-sub { color: rgba(255,255,255,.4); }
.footer-tagline {
  font-size: .9375rem;
  color: rgba(255,255,255,.5);
  line-height: 1.65;
  margin-top: 1rem;
  max-width: 300px;
}
.footer-nav-title {
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.4);
  margin-bottom: 1.25rem;
}
.footer-nav ul { display: flex; flex-direction: column; gap: .625rem; }
.footer-nav a, .footer-contact p {
  font-size: .9375rem;
  color: rgba(255,255,255,.6);
  transition: color var(--transition);
}
.footer-nav a:hover { color: var(--white); }
.footer-contact { display: flex; flex-direction: column; gap: .625rem; }
.footer-lang { display: flex; align-items: center; gap: .375rem; }

.footer-bottom {
  padding: 1.5rem 0;
}
.footer-copy {
  font-size: .8125rem;
  color: rgba(255,255,255,.3);
  text-align: center;
}

.footer-linkedin {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  margin-top: .75rem;
  font-size: .875rem;
  color: rgba(255, 255, 255, .5);
  transition: color var(--transition);
}
.footer-linkedin:hover {
  color: rgba(255, 255, 255, .9);
}

/* ══════════════════════════════════════════════
   RESPONSIVE – TABLET
══════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .diff-grid        { grid-template-columns: repeat(2, 1fr); }
  .solutions-grid   { grid-template-columns: repeat(2, 1fr); }
  .trust-grid       { grid-template-columns: repeat(3, 1fr); }
  .about-grid,
  .fintech-grid,
  .infra-grid,
  .contact-grid     { grid-template-columns: 1fr; gap: 3rem; }
  .about-badge      { left: 0; bottom: -.75rem; }
  .footer-grid      { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
  .footer-brand     { grid-column: 1 / -1; }
  .clients-grid     { grid-template-columns: repeat(3, 1fr); }
}

/* ══════════════════════════════════════════════
   RESPONSIVE – MOBILE
══════════════════════════════════════════════ */
@media (max-width: 768px) {
  :root { --header-h: 64px; }

  .section { padding: 64px 0; }

  /* Header */
  .main-nav, .header-actions { display: none; }
  .mobile-menu-btn { display: flex; }
  .mobile-nav { display: block; }

  /* Hero */
  .hero-content { padding: 4rem 24px 3rem; gap: 2.5rem; }
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    max-width: 100%;
  }
  .hero-stat { padding: 1rem; }

  /* Trust */
  .trust-grid { grid-template-columns: repeat(2, 1fr); }

  /* Solutions tabs */
  .solutions-tabs { flex-direction: column; }
  .tab-btn { border-right: none; border-bottom: 1px solid var(--border); }
  .tab-btn:last-child { border-bottom: none; }
  .solutions-grid   { grid-template-columns: 1fr; }

  /* Diff */
  .diff-grid { grid-template-columns: 1fr; }

  /* Clients */
  .clients-grid { grid-template-columns: repeat(2, 1fr); }

  /* CTA */
  .cta-buttons { flex-direction: column; align-items: center; }

  /* Form */
  .form-row { grid-template-columns: 1fr; }
  .contact-form { padding: 1.5rem; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-brand { grid-column: auto; }
}

@media (max-width: 480px) {
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .trust-grid { grid-template-columns: 1fr 1fr; }
  .clients-grid { grid-template-columns: 1fr 1fr; }
  .hero-ctas { flex-direction: column; }
  .hero-ctas .btn { width: 100%; text-align: center; }
}

/* ── IMAGE PLACEHOLDERS (when assets missing) ── */
.about-img,
.fintech-img {
  background: linear-gradient(135deg, var(--bg-subtle) 0%, var(--border) 100%);
}