/* ─── Variables ─── */
:root {
  --bg:        #05111e;
  --bg-mid:    #091929;
  --bg-soft:   #0f2942;
  --paper:     #f0f7ff;
  --ink:       #0c1f34;
  --ink-soft:  #3e5775;
  --accent:    #1f86d6;
  --accent-2:  #19b0a6;
  --radius:    .9rem;
  --shadow:    0 14px 40px rgba(0,0,0,.22);
  --transition: all .24s ease;
}

/* ─── Reset & base ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', 'Segoe UI', Tahoma, sans-serif;
  background: var(--bg);
  color: var(--paper);
  line-height: 1.65;
  font-size: 1rem;
}

img { max-width: 100%; display: block; }
a { color: inherit; }

/* ─── Container ─── */
.container {
  width: min(1160px, 92%);
  margin-inline: auto;
}

/* ─── Typography ─── */
h1, h2, h3, h4 { line-height: 1.15; font-weight: 700; }
h2 { font-size: clamp(1.6rem, 2.8vw, 2.4rem); }
h3 { font-size: clamp(1.05rem, 1.8vw, 1.3rem); }

.section-label {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: .9rem;
}
.section-label::before {
  content: '';
  display: inline-block;
  width: 2.2rem;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
}
.section-light .section-label { color: var(--accent); }
.section-light .section-label::before { background: var(--accent); }

/* ─── Topbar / Nav ─── */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(14px);
  background: rgba(5,17,30,.92);
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 74px;
  gap: 1.5rem;
}
.brand img { width: min(175px, 55vw); height: auto; }

.main-nav {
  display: flex;
  flex-wrap: wrap;
  gap: .25rem;
  align-items: center;
}
.main-nav a {
  color: rgba(220,240,255,.82);
  text-decoration: none;
  font-size: .88rem;
  font-weight: 500;
  padding: .44rem .82rem;
  border-radius: 2rem;
  border: 1px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
}
.main-nav a:hover,
.main-nav a.active {
  background: rgba(31,134,214,.18);
  border-color: rgba(31,134,214,.4);
  color: #fff;
}

.menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid rgba(255,255,255,.2);
  color: #fff;
  border-radius: .5rem;
  padding: .4rem .8rem;
  cursor: pointer;
  font-size: .88rem;
}

/* ─── Hero ─── */
.hero-slide {
  min-height: 88vh;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  position: relative;
}
.hero-slide::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 140px;
  background: linear-gradient(to bottom, transparent, var(--bg));
  pointer-events: none;
}
.hero-slide .container { position: relative; z-index: 1; }

.slide-logo {
  width: min(230px, 58vw);
  margin-bottom: 1.6rem;
}
.hero-slide h1 {
  font-size: clamp(2rem, 4.8vw, 3.8rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1rem;
  text-shadow: 0 2px 14px rgba(0,0,0,.55);
}
.hero-slide h1 em { font-style: normal; color: var(--accent-2); }
.hero-slide p {
  max-width: 56ch;
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  color: rgba(210,235,255,.88);
  margin-bottom: 2rem;
}
.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .9rem 2.2rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  text-decoration: none;
  border-radius: 2rem;
  font-weight: 700;
  font-size: 1rem;
  transition: transform .22s, box-shadow .22s;
  box-shadow: 0 6px 24px rgba(31,134,214,.38);
}
.hero-cta:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(31,134,214,.52); }

/* ─── Stats bar ─── */
.stats-bar {
  background: linear-gradient(120deg, #0e5fa0 0%, #0a4a80 50%, #0d7a72 100%);
  padding: 1.8rem 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  text-align: center;
}
.stat-item { color: #fff; }
.stat-number {
  font-size: clamp(1.9rem, 3vw, 2.7rem);
  font-weight: 800;
  line-height: 1;
  display: block;
}
.stat-label { font-size: .82rem; opacity: .88; margin-top: .3rem; }

/* ─── Sections ─── */
.section {
  padding: clamp(3.5rem, 6vw, 6rem) 0;
}

.section-header {
  text-align: center;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}
.section-header h2 { margin-bottom: .6rem; }
.section-header p {
  max-width: 64ch;
  margin: .5rem auto 0;
  color: rgba(200,225,245,.75);
}
.section-light .section-header p { color: var(--ink-soft); }

.section-light {
  background: #fff;
  color: var(--ink);
}
.section-alt {
  background: #f0f6fc;
  color: var(--ink);
}
.section-dark {
  background: var(--bg-mid);
}

/* ─── Two-column layout ─── */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}
.two-col-text h2 { margin-bottom: 1rem; }
.two-col-text p { margin-bottom: .75rem; color: var(--ink-soft); }
.section-dark .two-col-text p { color: rgba(195,220,245,.8); }
.two-col-text .link-more {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  font-size: .95rem;
  margin-top: .5rem;
  transition: gap .2s;
}
.two-col-text .link-more:hover { gap: .7rem; }

.two-col-img img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* ─── Feature cards (empresa) ─── */
.feat-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.4rem;
  margin-top: 3rem;
}
.feat-card {
  background: #fff;
  border: 1px solid rgba(31,134,214,.12);
  border-radius: var(--radius);
  padding: 1.8rem;
  transition: var(--transition);
  color: var(--ink);
}
.feat-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 48px rgba(31,134,214,.16);
  border-color: rgba(31,134,214,.28);
}
.feat-card-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, rgba(31,134,214,.12), rgba(25,176,166,.12));
  border-radius: .7rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.feat-card h3 { color: var(--accent); margin-bottom: .55rem; }
.feat-card p { color: var(--ink-soft); font-size: .94rem; line-height: 1.6; }

/* ─── Timeline (historia) ─── */
.timeline {
  position: relative;
  padding-left: 3rem;
  max-width: 680px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: .7rem;
  top: .3rem;
  bottom: .3rem;
  width: 3px;
  background: linear-gradient(to bottom, var(--accent), var(--accent-2));
  border-radius: 2px;
}
.timeline-item {
  position: relative;
  margin-bottom: 2.2rem;
}
.timeline-item:last-child { margin-bottom: 0; }
.timeline-item::before {
  content: '';
  position: absolute;
  left: -2.42rem;
  top: .28rem;
  width: 14px;
  height: 14px;
  background: var(--accent-2);
  border-radius: 50%;
  border: 3px solid #fff;
  box-shadow: 0 0 0 3px rgba(25,176,166,.3);
}
.timeline-year {
  font-size: .78rem;
  font-weight: 700;
  color: var(--accent-2);
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: .3rem;
}
.timeline-item h3 { margin-bottom: .4rem; }
.timeline-item p { color: var(--ink-soft); font-size: .94rem; }

/* ─── Product cards ─── */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}
.product-card {
  background: #fff;
  border: 1px solid rgba(10,33,54,.1);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  color: var(--ink);
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 22px 52px rgba(0,0,0,.16);
}
.product-card-img {
  height: 190px;
  background: linear-gradient(135deg, #091929, #123c5f);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  overflow: hidden;
}
.product-card-img img { max-height: 130px; width: auto; object-fit: contain; }
.product-card-body { padding: 1.5rem; flex: 1; display: flex; flex-direction: column; }
.product-tag {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(31,134,214,.1);
  padding: .2rem .55rem;
  border-radius: 2rem;
  margin-bottom: .7rem;
}
.product-card-body h3 { margin-bottom: .6rem; }
.product-card-body p { color: var(--ink-soft); font-size: .93rem; line-height: 1.55; flex: 1; }

/* ─── Service cards ─── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.2rem;
}
.service-card {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.09);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex;
  gap: 1.1rem;
  align-items: flex-start;
  transition: var(--transition);
}
.service-card:hover {
  background: rgba(31,134,214,.1);
  border-color: rgba(31,134,214,.28);
}
.section-light .service-card {
  background: #fff;
  border-color: rgba(31,134,214,.14);
  color: var(--ink);
}
.section-light .service-card:hover {
  background: #f0f7ff;
  border-color: rgba(31,134,214,.35);
  box-shadow: 0 10px 28px rgba(31,134,214,.12);
}
.service-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius: .65rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
}
.service-card h4 { margin-bottom: .35rem; font-size: 1rem; }
.service-card p { font-size: .91rem; color: rgba(200,225,245,.82); }
.section-light .service-card p { color: var(--ink-soft); }

.service-photos {
  margin-top: 2rem;
  display: grid;
  place-items: center;
}
.service-photo-item {
  background: #fff;
  border: 1px solid rgba(10,33,54,.12);
  border-radius: .9rem;
  padding: .75rem;
  width: min(100%, 780px);
  box-shadow: 0 8px 24px rgba(0,0,0,.12);
}
.service-photo-item img {
  width: 100%;
  height: auto;
  border-radius: .55rem;
}

.metric-photos {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  max-width: 900px;
  margin-inline: auto;
}
.metric-photo-item {
  background: #fff;
  border: 1px solid rgba(10,33,54,.12);
  border-radius: .9rem;
  padding: .65rem;
  box-shadow: 0 8px 24px rgba(0,0,0,.12);
}
.metric-photo-item img {
  width: 100%;
  height: auto;
  border-radius: .55rem;
}

/* ─── Alianzas logo grid ─── */
.logo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}
.logo-item {
  background: #fff;
  border-radius: .8rem;
  padding: 1rem .8rem;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  align-items: center;
  justify-content: center;
  min-height: 84px;
  border: 1px solid rgba(10,33,54,.1);
  transition: var(--transition);
  text-decoration: none;
  color: var(--ink);
}
.logo-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(0,0,0,.14);
}
.logo-item img { max-height: 52px; max-width: 100%; width: auto; object-fit: contain; }
.logo-name {
  font-size: .76rem;
  font-weight: 600;
  color: var(--ink-soft);
  text-align: center;
  line-height: 1.2;
}

/* Center alliances and clients blocks */
#alianzas .section-header,
.alliances-section .section-header {
  text-align: center;
}
#alianzas .section-header .section-label,
.alliances-section .section-header .section-label {
  justify-content: center;
}
#alianzas .logo-grid,
.alliances-section .logo-grid {
  grid-template-columns: repeat(auto-fit, minmax(160px, 220px));
  justify-content: center;
  justify-items: center;
}
#alianzas .logo-item,
.alliances-section .logo-item {
  width: 100%;
  max-width: 220px;
}

/* ─── Contact ─── */
.contact-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: start;
}
.contact-form { display: grid; gap: .75rem; }
.contact-form label {
  font-size: .86rem;
  font-weight: 600;
  color: var(--ink-soft);
  display: block;
  margin-bottom: .15rem;
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: .78rem .95rem;
  border: 1.5px solid #cdd9e8;
  border-radius: .55rem;
  font: inherit;
  font-size: .95rem;
  color: var(--ink);
  background: #fff;
  transition: border-color .2s, box-shadow .2s;
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(31,134,214,.14);
}
.contact-form textarea { resize: vertical; min-height: 120px; }
.contact-form button {
  padding: .88rem 1.5rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  border: none;
  border-radius: .55rem;
  font: inherit;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: transform .22s, box-shadow .22s;
}
.contact-form button:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 28px rgba(31,134,214,.4);
}
.feedback {
  background: #d1fae5;
  border: 1.5px solid #6ee7b7;
  color: #065f46;
  padding: .8rem 1rem;
  border-radius: .55rem;
  font-weight: 500;
}
.contact-aside { display: flex; flex-direction: column; gap: 1rem; }
.contact-info-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1rem;
  background: #f0f7ff;
  border-radius: .7rem;
  border: 1px solid rgba(31,134,214,.1);
}
.contact-info-icon {
  width: 42px;
  height: 42px;
  min-width: 42px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius: .6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}
.contact-info-item h4 { font-size: .83rem; color: var(--ink-soft); font-weight: 600; margin-bottom: .15rem; }
.contact-info-item p { font-size: .95rem; color: var(--ink); }
.contact-map { margin-top: 1rem; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.contact-map iframe { display: block; }

/* ─── Page hero ─── */
.page-hero {
  min-height: 38vh;
  display: flex;
  align-items: flex-end;
  background-size: cover;
  background-position: center;
  position: relative;
  padding-bottom: 3.5rem;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(5,17,30,.82), rgba(10,35,60,.6));
}
.page-hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 100px;
  background: linear-gradient(to bottom, transparent, var(--bg));
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 {
  font-size: clamp(1.9rem, 3.5vw, 3rem);
  font-weight: 800;
  margin-bottom: .5rem;
}
.page-hero-sub { color: rgba(200,230,255,.8); font-size: 1.05rem; }

/* ─── CTA band ─── */
.cta-band {
  background: linear-gradient(135deg, #0e5fa0 0%, #0a4a80 50%, #0d7a72 100%);
  padding: 4rem 0;
  text-align: center;
}
.cta-band h2 { font-size: clamp(1.5rem, 2.5vw, 2.2rem); margin-bottom: .7rem; }
.cta-band p { margin-bottom: 2rem; opacity: .88; max-width: 55ch; margin-inline: auto; }

.btn-white {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .88rem 2.2rem;
  background: #fff;
  color: var(--accent);
  text-decoration: none;
  border-radius: 2rem;
  font-weight: 700;
  font-size: 1rem;
  transition: transform .22s, box-shadow .22s;
  box-shadow: 0 6px 20px rgba(0,0,0,.18);
}
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(0,0,0,.26); }

.btn-accent {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .88rem 2.2rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  text-decoration: none;
  border-radius: 2rem;
  font-weight: 700;
  font-size: 1rem;
  transition: transform .22s, box-shadow .22s;
  box-shadow: 0 6px 24px rgba(31,134,214,.35);
}
.btn-accent:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(31,134,214,.5); }

/* ─── Footer ─── */
.site-footer {
  background: #030c16;
  border-top: 1px solid rgba(255,255,255,.07);
  padding: 3.5rem 0 1.5rem;
  color: rgba(180,210,235,.75);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255,255,255,.07);
  margin-bottom: 1.5rem;
}
.footer-logo { max-width: 170px; margin-bottom: 1rem; }
.footer-tagline { font-size: .9rem; opacity: .7; max-width: 36ch; line-height: 1.55; }
.footer-col h4 {
  font-size: .83rem;
  font-weight: 700;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-bottom: 1.1rem;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: .45rem; }
.footer-col ul a {
  text-decoration: none;
  font-size: .9rem;
  color: rgba(180,210,235,.65);
  transition: color .2s;
}
.footer-col ul a:hover { color: var(--accent-2); }
.footer-col p { font-size: .9rem; margin-bottom: .5rem; }
.footer-col strong { color: rgba(220,240,255,.7); font-size: .8rem; display: block; margin-bottom: .1rem; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: .82rem;
  opacity: .5;
}

/* ─── Language switcher ─── */
.lang-switcher {
  display: flex;
  gap: .2rem;
  align-items: center;
  padding-left: .85rem;
  margin-left: .25rem;
  border-left: 1px solid rgba(255,255,255,.14);
}
.lang-btn {
  font-size: 1.45rem;
  text-decoration: none;
  line-height: 1;
  opacity: .38;
  transition: opacity .2s, transform .2s;
  display: flex;
  align-items: center;
}
.lang-btn:hover  { opacity: .75; transform: scale(1.12); }
.lang-btn.active { opacity: 1; }

/* ─── Divider ─── */
.divider {
  height: 1px;
  background: rgba(255,255,255,.07);
  margin: 0;
  border: none;
}

/* ─── Responsive ─── */
@media (max-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 1.5rem 2rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
}

@media (max-width: 820px) {
  .menu-toggle { display: block; }
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(5,17,30,.97);
    flex-direction: column;
    padding: 1rem;
    border-bottom: 1px solid rgba(255,255,255,.07);
    gap: .2rem;
    z-index: 99;
  }
  .main-nav.open { display: flex; }
  .topbar-inner { flex-wrap: wrap; position: relative; }

  .two-col,
  .contact-cols { grid-template-columns: 1fr; }
  .two-col-img { order: -1; }

  .footer-grid { grid-template-columns: 1fr; gap: 1.8rem; }
  .footer-grid > div:first-child { grid-column: auto; }
  .footer-bottom { flex-direction: column; gap: .5rem; text-align: center; }

  .hero-slide { min-height: 75vh; }
  .page-hero { min-height: 30vh; }
}

@media (max-width: 600px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .logo-grid { grid-template-columns: repeat(3, 1fr); }
  .products-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
}