/* ============================================
   Kelvin — 20 Años de Infraestructura, Inteligencia y Seguridad
   Palette matched to infographics (teal / dark blue / white)
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
  --kv-navy:        #0c2233;
  --kv-navy-dark:   #081825;
  --kv-teal:        #1a8a8a;
  --kv-teal-dark:   #14706e;
  --kv-teal-light:  #22b2a8;
  --kv-steel:       #2d7da8;
  --kv-sky:         #4da8d0;
  --kv-ice:         #daeef7;
  --kv-ice-light:   #eaf5fb;
  --kv-white:       #ffffff;
  --kv-accent:      #0ea5c2;
  --kv-success:     #10b981;
  --kv-warning:     #f59e0b;
  --kv-gray-50:     #f8fafc;
  --kv-gray-100:    #f1f5f9;
  --kv-gray-200:    #e2e8f0;
  --kv-gray-300:    #cbd5e1;
  --kv-gray-400:    #94a3b8;
  --kv-gray-500:    #64748b;
  --kv-gray-600:    #475569;
  --kv-gray-700:    #334155;
  --kv-gray-800:    #1e293b;
  --kv-font:        'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --section-py:     5.5rem;
  --kv-radius:      1rem;
  --kv-radius-sm:   .625rem;
  --kv-radius-lg:   1.5rem;
  --kv-shadow:      0 4px 24px rgba(12,34,51,.08);
  --kv-shadow-lg:   0 12px 40px rgba(12,34,51,.12);
  --kv-shadow-card: 0 2px 12px rgba(12,34,51,.06);
  --kv-transition:  all .3s cubic-bezier(.4,0,.2,1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font-family: var(--kv-font);
  color: var(--kv-gray-800);
  background: var(--kv-white);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
::selection { background: var(--kv-teal); color: var(--kv-white); }

/* ---- NAVBAR ---- */
.navbar-kelvin {
  padding: .85rem 0;
  transition: var(--kv-transition);
  background: transparent;
  backdrop-filter: blur(0);
}
.navbar-kelvin.scrolled {
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 12px rgba(12,34,51,.08);
  padding: .6rem 0;
}
.navbar-brand-text {
  font-size: 1.65rem; font-weight: 800; color: var(--kv-navy);
  letter-spacing: -.03em; text-decoration: none;
}
.navbar-brand-text span { color: var(--kv-teal); }
.navbar-kelvin .nav-link {
  color: var(--kv-gray-700); font-weight: 500; font-size: .925rem;
  padding: .5rem 1rem !important; border-radius: var(--kv-radius-sm);
  transition: var(--kv-transition);
}
.navbar-kelvin .nav-link:hover,
.navbar-kelvin .nav-link:focus { color: var(--kv-teal); background: var(--kv-ice-light); }
.navbar-kelvin .nav-link.active { color: var(--kv-teal); }
.btn-cta-nav {
  background: var(--kv-navy); color: var(--kv-white); font-weight: 600;
  padding: .65rem 1.5rem; border-radius: 50px; border: none;
  font-size: .925rem; transition: var(--kv-transition);
}
.btn-cta-nav:hover { background: var(--kv-teal); color: var(--kv-white); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(26,138,138,.3); }
.navbar-toggler { border: none; }
.navbar-toggler:focus { box-shadow: none; }
.scrolled .logo {
  filter: brightness(0) saturate(100%) invert(12%) sepia(12%) saturate(2209%) hue-rotate(178deg) brightness(92%) contrast(89%);
}
/* ---- HERO ---- */
.hero-section {
  position: relative; padding: 9rem 0 5rem;
  background: linear-gradient(175deg, #0c2233 0%, #143d4f 40%, #1a6b6b 100%);
  overflow: hidden; color: var(--kv-white);
}
.hero-section::before {
  content: ''; position: absolute; top: -20%; right: -10%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(26,138,138,.2) 0%, transparent 70%);
  border-radius: 50%; pointer-events: none;
}
.hero-section::after {
  content: ''; position: absolute; bottom: -10%; left: -5%;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(14,165,194,.12) 0%, transparent 70%);
  border-radius: 50%; pointer-events: none;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: .5rem;
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.2);
  border-radius: 50px; padding: .45rem 1.15rem;
  font-size: .85rem; font-weight: 500; color: rgba(255,255,255,.9);
  margin-bottom: 1.75rem;
}
.hero-badge i { color: var(--kv-teal-light); }
.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.4rem); font-weight: 800;
  line-height: 1.12; letter-spacing: -.03em; margin-bottom: 1.5rem;
}
.hero-title .highlight {
  position: relative; display: inline;
  background: linear-gradient(120deg, var(--kv-teal-light), var(--kv-sky));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: 1.15rem; color: rgba(255,255,255,.75);
  max-width: 560px; line-height: 1.75; margin-bottom: 2rem;
}
.hero-cta-group { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 2.5rem; }
.btn-primary-kv {
  background: var(--kv-teal); color: var(--kv-white); font-weight: 600;
  padding: .85rem 2rem; border-radius: 50px; border: none; font-size: 1rem;
  transition: var(--kv-transition); display: inline-flex; align-items: center;
  gap: .5rem; text-decoration: none;
}
.btn-primary-kv:hover { background: var(--kv-teal-light); color: var(--kv-white); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(26,138,138,.35); }
.btn-outline-kv {
  background: transparent; color: var(--kv-white); font-weight: 600;
  padding: .85rem 2rem; border-radius: 50px; border: 2px solid rgba(255,255,255,.3);
  font-size: 1rem; transition: var(--kv-transition); display: inline-flex;
  align-items: center; gap: .5rem; text-decoration: none;
}
.btn-outline-kv:hover { border-color: var(--kv-teal-light); color: var(--kv-teal-light); background: rgba(255,255,255,.05); }

.hero-stats { display: flex; gap: 2.5rem; flex-wrap: wrap; }
.hero-stat-number { font-size: 1.8rem; font-weight: 800; line-height: 1.2; }
.hero-stat-label { font-size: .82rem; color: rgba(255,255,255,.55); font-weight: 500; }

.hero-cta-card {padding:10px;}

/* ---- TRUST STRIP ---- */
.trust-section {
  background: var(--kv-navy-dark); padding: 1.5rem 0;
  border-top: 1px solid rgba(255,255,255,.06);
}
.trust-label { color: rgba(255,255,255,.5); font-size: .82rem; text-align: center; margin-bottom: .85rem; text-transform: uppercase; letter-spacing: .08em; font-weight: 500; }
.trust-logos { display: flex; justify-content: center; flex-wrap: wrap; gap: 2rem; }
.trust-logo-item { display: flex; align-items: center; gap: .4rem; color: rgba(255,255,255,.7); font-size: .85rem; font-weight: 500; }
.trust-logo-item i { font-size: 1.2rem; color: var(--kv-teal-light); }

/* ---- SECTION COMMONS ---- */
.section-padding { padding: var(--section-py) 0; }
.section-bg-light { background: var(--kv-gray-50); }
.section-bg-dark { background: linear-gradient(175deg, #0c2233 0%, #143d4f 100%); color: var(--kv-white); }
.section-header { text-align: center; margin-bottom: 3.5rem; }
.section-badge {
  display: inline-flex; align-items: center; gap: .4rem;
  background: var(--kv-ice); color: var(--kv-teal-dark); font-size: .8rem;
  font-weight: 600; padding: .35rem 1rem; border-radius: 50px;
  margin-bottom: 1rem; text-transform: uppercase; letter-spacing: .05em;
}
.section-bg-dark .section-badge { background: rgba(26,138,138,.2); color: var(--kv-teal-light); }
.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem); font-weight: 800;
  color: var(--kv-navy); letter-spacing: -.02em; margin-bottom: 1rem; line-height: 1.2;
}
.section-bg-dark .section-title { color: var(--kv-white); }
.section-title .text-accent { color: var(--kv-teal); }
.section-bg-dark .section-title .text-accent { color: var(--kv-teal-light); }
.section-subtitle {
  font-size: 1.05rem; color: var(--kv-gray-500); max-width: 640px;
  margin: 0 auto; line-height: 1.7;
}
.section-bg-dark .section-subtitle { color: rgba(255,255,255,.6); }

/* ---- TIME BLOCKS ---- */
.tblocks { padding: 1rem 0; }
.tblock {
  position: relative;
  background: var(--kv-white);
  border-radius: var(--kv-radius);
  padding: 1.75rem 1.5rem 1.5rem;
  border: 1px solid var(--kv-gray-200);
  border-left: 5px solid var(--kv-gray-300);
  display: flex;
  flex-direction: column;
  gap: .6rem;
  transition: var(--kv-transition);
  overflow: hidden;
  height: 100%;
}
.tblock:hover {
  transform: translateY(-4px);
  box-shadow: var(--kv-shadow-lg);
}
.tblock:hover { border-top-color: transparent; border-right-color: transparent; border-bottom-color: transparent; }
.tblock__icon {
  width: 48px; height: 48px;
  border-radius: var(--kv-radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  background: var(--kv-ice);
  color: var(--kv-teal);
  transition: var(--kv-transition);
}
.tblock:hover .tblock__icon {
  background: var(--kv-teal);
  color: var(--kv-white);
}
.tblock__date {
  font-size: .75rem; font-weight: 600;
  color: var(--kv-gray-400);
  text-transform: uppercase;
  letter-spacing: .06em;
}
.tblock__title {
  font-size: 1.02rem; font-weight: 700;
  color: var(--kv-navy);
  line-height: 1.3;
}
.tblock__desc {
  font-size: .82rem; color: var(--kv-gray-500);
  line-height: 1.55; flex: 1;
}
.tblock__status {
  font-size: 1rem; margin-top: .25rem;
}
.tblock__badge {
  position: absolute; top: .85rem; right: .85rem;
  background: var(--kv-warning); color: var(--kv-white);
  font-size: .65rem; font-weight: 700;
  padding: .25rem .75rem; border-radius: 50px;
  text-transform: uppercase; letter-spacing: .06em;
  animation: pulseBlock 2s infinite;
}

/* -- Done -- */
.tblock--done { border-left-color: var(--kv-success); }
.tblock--done .tblock__icon { background: rgba(16,185,129,.12); color: var(--kv-success); }
.tblock--done:hover .tblock__icon { background: var(--kv-success); color: var(--kv-white); }
.tblock--done .tblock__status { color: var(--kv-success); }

/* -- Current -- */
.tblock--current {
  border-left-color: var(--kv-warning);
  background: linear-gradient(135deg, #fffdf5 0%, #fffbeb 100%);
  box-shadow: 0 4px 20px rgba(245,158,11,.12);
}
.tblock--current .tblock__icon { background: rgba(245,158,11,.15); color: var(--kv-warning); }
.tblock--current:hover .tblock__icon { background: var(--kv-warning); color: var(--kv-white); }
.tblock--current .tblock__status { color: var(--kv-warning); }

/* -- Future -- */
.tblock--future {
  border-left-color: var(--kv-teal-light);
  background: linear-gradient(135deg, var(--kv-ice-light) 0%, var(--kv-white) 100%);
}
.tblock--future .tblock__icon { background: rgba(34,178,168,.12); color: var(--kv-teal-light); }
.tblock--future:hover .tblock__icon { background: var(--kv-teal-light); color: var(--kv-white); }
.tblock--future .tblock__status { color: var(--kv-teal-light); }

@keyframes pulseBlock {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .8; transform: scale(1.05); }
}

/* ---- IA SHOWCASE (star section) ---- */
.ia-showcase {
  position: relative;
  padding: 6rem 0;
  background: linear-gradient(170deg, #0c2233 0%, #0f3545 45%, #145050 100%);
  color: var(--kv-white);
  overflow: hidden;
}
.ia-showcase::before {
  content: ''; position: absolute; top: -30%; right: -15%;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(34,178,168,.15) 0%, transparent 70%);
  border-radius: 50%; pointer-events: none;
}
.ia-showcase::after {
  content: ''; position: absolute; bottom: -20%; left: -10%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(14,165,194,.1) 0%, transparent 70%);
  border-radius: 50%; pointer-events: none;
}
.ia-showcase-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800; line-height: 1.15;
  letter-spacing: -.03em; margin-bottom: 1.25rem;
}
.ia-showcase-title span {
  background: linear-gradient(120deg, var(--kv-teal-light), var(--kv-sky));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.ia-showcase-subtitle {
  font-size: 1.05rem; color: rgba(255,255,255,.7);
  line-height: 1.75; margin-bottom: 1.75rem;
}
.ia-showcase-features { display: flex; flex-direction: column; gap: .65rem; }
.ia-feature {
  display: flex; align-items: center; gap: .75rem;
  font-size: .95rem; color: rgba(255,255,255,.85); font-weight: 500;
}
.ia-feature i {
  width: 36px; height: 36px; flex-shrink: 0;
  background: rgba(26,138,138,.25); border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; color: var(--kv-teal-light);
}
@media (max-width: 991.98px) {
  .ia-showcase { padding: 4rem 0; }
  .ia-showcase-title { font-size: 1.8rem; }
}

/* ---- SERVICE BANDS ---- */
.band-service {
  padding: 3.5rem 0;
  border-bottom: 1px solid var(--kv-gray-200);
}
.band-service:last-child { border-bottom: none; }
.band-icon {
  width: 64px; height: 64px; background: var(--kv-ice);
  border-radius: var(--kv-radius-sm); display: flex; align-items: center;
  justify-content: center; font-size: 1.7rem; color: var(--kv-teal);
  margin-bottom: 1.25rem; transition: var(--kv-transition);
}
.band-service:hover .band-icon { background: var(--kv-teal); color: var(--kv-white); }
.band-service h3 { font-size: 1.3rem; font-weight: 700; color: var(--kv-navy); margin-bottom: .5rem; }
.band-service p { font-size: .95rem; color: var(--kv-gray-500); line-height: 1.7; }
.band-service .feature-list { list-style: none; padding: 0; margin: 1rem 0 0; }
.band-service .feature-list li {
  font-size: .88rem; color: var(--kv-gray-600); padding: .35rem 0;
  display: flex; align-items: center; gap: .5rem;
}
.band-service .feature-list li i { color: var(--kv-success); font-size: .8rem; }

/* ---- INFOGRAPHIC WRAPPER ---- */
.infographic-wrapper {
  background: var(--kv-white); border-radius: var(--kv-radius-lg);
  padding: 1.5rem; box-shadow: var(--kv-shadow); border: 1px solid var(--kv-gray-200);
  overflow: hidden; transition: var(--kv-transition);
}
.infographic-wrapper:hover { box-shadow: var(--kv-shadow-lg); }
.infographic-wrapper img { width: 100%; height: auto; border-radius: var(--kv-radius-sm); display: block; }
.logo {width: 168px;}
.logo-footer {width: 100px;}
/* ---- SERVICE CARDS (Ciberseg col) ---- */
.cyber-card {
  background: var(--kv-white); border-radius: var(--kv-radius);
  padding: 1.75rem; border: 1px solid var(--kv-gray-200);
  transition: var(--kv-transition); height: 100%;
}
.cyber-card:hover { transform: translateY(-3px); box-shadow: var(--kv-shadow); border-color: transparent; }
.cyber-card .card-icon {
  width: 50px; height: 50px; background: var(--kv-ice); border-radius: var(--kv-radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; color: var(--kv-teal); margin-bottom: 1rem;
  transition: var(--kv-transition);
}
.cyber-card:hover .card-icon { background: var(--kv-teal); color: var(--kv-white); }
.cyber-card h4 { font-size: 1.05rem; font-weight: 700; color: var(--kv-navy); margin-bottom: .5rem; }
.cyber-card p { font-size: .88rem; color: var(--kv-gray-500); line-height: 1.6; margin: 0; }

/* ---- SOPORTE OPERATIVO ---- */
.support-feature {
  display: flex; align-items: flex-start; gap: 1.25rem;
  padding: 1.5rem; background: var(--kv-white); border-radius: var(--kv-radius);
  border: 1px solid var(--kv-gray-200); transition: var(--kv-transition);
}
.support-feature:hover { transform: translateY(-2px); box-shadow: var(--kv-shadow); }
.support-feature .sf-icon {
  width: 52px; height: 52px; flex-shrink: 0; background: var(--kv-ice);
  border-radius: var(--kv-radius-sm); display: flex; align-items: center;
  justify-content: center; font-size: 1.4rem; color: var(--kv-teal);
}
.support-feature h4 { font-size: 1.05rem; font-weight: 700; color: var(--kv-navy); margin-bottom: .3rem; }
.support-feature p { font-size: .88rem; color: var(--kv-gray-500); margin: 0; line-height: 1.6; }

/* ---- LEGAL / ABOGADOS ---- */
.legal-section {
  background: linear-gradient(175deg, #0c2233 0%, #14404f 100%);
  color: var(--kv-white); padding: var(--section-py) 0;
}
.legal-card {
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--kv-radius); padding: 2rem; transition: var(--kv-transition);
}
.legal-card:hover { background: rgba(255,255,255,.1); transform: translateY(-3px); }
.legal-card .lc-icon {
  width: 56px; height: 56px; background: rgba(26,138,138,.2);
  border-radius: var(--kv-radius-sm); display: flex; align-items: center;
  justify-content: center; font-size: 1.5rem; color: var(--kv-teal-light); margin-bottom: 1rem;
}
.legal-card h4 { font-size: 1.1rem; font-weight: 700; margin-bottom: .5rem; }
.legal-card p { font-size: .9rem; color: rgba(255,255,255,.65); line-height: 1.65; margin: 0; }

/* ---- CTA FINAL ---- */
.cta-final {
  background: linear-gradient(135deg, var(--kv-teal-dark) 0%, var(--kv-teal) 50%, var(--kv-steel) 100%);
  padding: 5rem 0; text-align: center; color: var(--kv-white);
}
.cta-final h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 800; margin-bottom: 1rem; }
.cta-final p { font-size: 1.05rem; color: rgba(255,255,255,.8); max-width: 540px; margin: 0 auto 2rem; }
.btn-cta-white {
  background: var(--kv-white); color: var(--kv-navy); font-weight: 700;
  padding: 1rem 2.5rem; border-radius: 50px; border: none; font-size: 1.05rem;
  transition: var(--kv-transition); display: inline-flex; align-items: center; gap: .5rem; text-decoration: none;
}
.btn-cta-white:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0,0,0,.25); color: var(--kv-teal); }

/* ---- FOOTER ---- */
.footer-kelvin { background: var(--kv-navy-dark); padding: 3.5rem 0 1.5rem; color: rgba(255,255,255,.7); }
.footer-brand { font-size: 1.5rem; font-weight: 800; color: var(--kv-white); text-decoration: none; display: inline-block; margin-bottom: .75rem; }
.footer-brand span { color: var(--kv-teal-light); }
.footer-desc { font-size: .88rem; color: rgba(255,255,255,.5); line-height: 1.65; margin-bottom: 1rem; }
.footer-social { display: flex; gap: .75rem; }
.footer-social a {
  width: 38px; height: 38px; border-radius: 50%; border: 1px solid rgba(255,255,255,.15);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.6); transition: var(--kv-transition); text-decoration: none;
}
.footer-social a:hover { background: var(--kv-teal); border-color: var(--kv-teal); color: var(--kv-white); }
.footer-title { font-size: .85rem; font-weight: 700; color: var(--kv-white); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 1rem; }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: .4rem; }
.footer-links a { color: rgba(255,255,255,.5); font-size: .88rem; text-decoration: none; transition: var(--kv-transition); }
.footer-links a:hover { color: var(--kv-teal-light); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); margin-top: 2.5rem; padding-top: 1.25rem; text-align: center; }
.footer-bottom p { font-size: .8rem; color: rgba(255,255,255,.35); margin: 0; }

/* ---- ANIMATIONS ---- */
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px var(--kv-white), 0 0 0 6px var(--kv-warning); }
  50% { box-shadow: 0 0 0 4px var(--kv-white), 0 0 0 12px rgba(245,158,11,.25); }
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate-on-scroll { opacity: 0; transform: translateY(30px); transition: opacity .6s ease, transform .6s ease; }
.animate-on-scroll.visible { opacity: 1; transform: translateY(0); }
.animate-delay-1 { transition-delay: .1s; }
.animate-delay-2 { transition-delay: .2s; }
.animate-delay-3 { transition-delay: .3s; }

/* ---- RESPONSIVE ---- */
@media (max-width: 991.98px) {
  .hero-section { padding: 7rem 0 3rem; }
  .hero-stats { gap: 1.5rem; }
}
@media (max-width: 767.98px) {
  :root { --section-py: 3.5rem; }
  .hero-title { font-size: 2rem; }
  .hero-stats { gap: 1rem; }
  .hero-stat-number { font-size: 1.4rem; }
}