/* ===== VARIABLES & RESET ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Outfit:wght@400;600;700;800&display=swap');

:root {
  --blue-dark:      #1e3a8a;
  --blue-main:      #1d4ed8;
  --blue-mid:       #2563eb;
  --blue-light:     #3b82f6;
  --blue-pale:      #dbeafe;
  --gray-900:       #0f172a;
  --gray-800:       #1e293b;
  --gray-700:       #334155;
  --gray-600:       #475569;
  --gray-400:       #94a3b8;
  --gray-200:       #e2e8f0;
  --gray-100:       #f8fafc;
  --white:          #ffffff;
  --accent:         #2563eb;

  --shadow-sm:  0 1px 4px rgba(0,0,0,.07);
  --shadow-md:  0 4px 18px rgba(0,0,0,.10);
  --shadow-lg:  0 10px 40px rgba(0,0,0,.13);
  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --transition: all .35s cubic-bezier(.4,0,.2,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', sans-serif;
  background: #f8fafc;
  color: #1e293b;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #e2e8f0; }
::-webkit-scrollbar-thumb { background: var(--blue-mid); border-radius: 4px; }

/* ===== NAV ===== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 5%;
  height: 80px;
  background: rgba(255,255,255, 0.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(37,99,235,.12);
  box-shadow: 0 2px 12px rgba(0,0,0,.06);
  transition: var(--transition);
}
.navbar.scrolled {
  background: rgba(255,255,255, 0.99);
  box-shadow: 0 2px 20px rgba(0,0,0,.10);
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.logo-icon {
  width: 38px; height: 38px;
  background: linear-gradient(135deg, var(--green-light), var(--accent));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 800;
  color: var(--gray-900);
  box-shadow: 0 0 14px rgba(74,222,128,.35);
}
.logo-text {
  font-family: 'Outfit', sans-serif;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -.3px;
}
.logo-text span { color: var(--accent); }
.logo-img {
  width: 200px;
  height: auto;
  max-height: 56px;
  display: block;
  transition: var(--transition);
}
.logo:hover .logo-img {
  opacity: 0.88;
  transform: scale(1.02);
}

.nav-links {
  display: flex;
  gap: 10px;
  list-style: none;
}
.nav-links a {
  color: #374151;
  text-decoration: none;
  font-size: .93rem;
  font-weight: 500;
  padding: 6px 16px;
  border-radius: 30px;
  transition: var(--transition);
}
.nav-links a:hover, .nav-links a.active {
  color: var(--blue-mid);
  background: rgba(37,99,235,.08);
}
.nav-cta {
  background: linear-gradient(135deg, var(--blue-main), var(--blue-light)) !important;
  color: var(--white) !important;
  font-weight: 600 !important;
  padding: 8px 22px !important;
  box-shadow: 0 4px 14px rgba(37,99,235,.30);
}
.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37,99,235,.45) !important;
  background: linear-gradient(135deg, var(--blue-dark), var(--blue-main)) !important;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}
.hamburger span {
  display: block;
  width: 26px; height: 2px;
  background: #374151;
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== HERO ===== */
#inicio {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  background: var(--gray-900);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: url('hero_bg.png') center/cover no-repeat;
  opacity: .35;
  transform: scale(1.05);
  transition: transform 8s ease;
}
.hero-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    160deg,
    rgba(30,58,138,.93) 0%,
    rgba(15,23,42,.87) 55%,
    rgba(29,78,216,.78) 100%
  );
}
/* animated dots */
.hero-dots {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle, rgba(96,165,250,.12) 1px, transparent 1px);
  background-size: 40px 40px;
  animation: drifting 20s linear infinite;
}
@keyframes drifting {
  0%   { transform: translate(0,0); }
  100% { transform: translate(40px,40px); }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 780px;
  padding: 40px 24px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(96,165,250,.18);
  border: 1px solid rgba(96,165,250,.40);
  color: #93c5fd;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  padding: 6px 18px;
  border-radius: 30px;
  margin-bottom: 28px;
}
.hero-badge::before {
  content: '';
  width: 7px; height: 7px;
  background: #60a5fa;
  border-radius: 50%;
  box-shadow: 0 0 8px #60a5fa;
  animation: pulse-dot 1.8s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: .5; transform: scale(1.4); }
}

.hero-title {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 22px;
  letter-spacing: -1px;
}
.hero-title .highlight {
  background: linear-gradient(90deg, #60a5fa, #38bdf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: 1.12rem;
  color: rgba(255,255,255,.72);
  max-width: 560px;
  margin: 0 auto 38px;
  line-height: 1.75;
}
.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: .95rem;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}
.btn-primary {
  background: linear-gradient(135deg, var(--blue-main), var(--blue-light));
  color: var(--white);
  box-shadow: 0 4px 18px rgba(37,99,235,.40);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(37,99,235,.55);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,.45);
}
.btn-outline:hover {
  background: rgba(255,255,255,.10);
  border-color: rgba(255,255,255,.75);
  transform: translateY(-3px);
}

/* ===== SECTION COMMONS ===== */
section { scroll-margin-top: 80px; }
.section-header {
  text-align: center;
  margin-bottom: 60px;
}
.section-tag {
  display: inline-block;
  background: var(--blue-pale);
  color: var(--blue-dark);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  padding: 5px 16px;
  border-radius: 30px;
  margin-bottom: 14px;
}
.section-title {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  color: var(--gray-900);
  line-height: 1.2;
  letter-spacing: -.5px;
  margin-bottom: 16px;
}
.section-title .green { color: var(--blue-mid); }
.section-desc {
  font-size: 1.02rem;
  color: var(--gray-600);
  max-width: 560px;
  margin: 0 auto;
}
.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 5%;
}

/* ===== STATS STRIP ===== */
.stats-strip {
  background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue-mid) 100%);
  padding: 48px 5%;
}
.stats-grid {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  text-align: center;
}
.stat-item {
  padding: 20px;
  border-right: 1px solid rgba(255,255,255,.18);
}
.stat-item:last-child { border-right: none; }
.stat-number {
  font-family: 'Outfit', sans-serif;
  font-size: 2.4rem;
  font-weight: 800;
  color: #ffffff;
  display: block;
  text-shadow: 0 2px 8px rgba(0,0,0,.15);
}
.stat-label {
  font-size: .88rem;
  color: rgba(255,255,255,.80);
  margin-top: 4px;
  font-weight: 500;
}

/* ===== NOSOTROS ===== */
#nosotros {
  padding: 100px 0;
  background: var(--white);
}
.nosotros-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.nosotros-visual {
  position: relative;
}
.nosotros-img-wrap {
  background: linear-gradient(135deg, var(--blue-dark), var(--blue-mid));
  border-radius: var(--radius-lg);
  padding: 3px;
  box-shadow: 0 12px 40px rgba(37,99,235,.18);
}
.nosotros-inner {
  background: #ffffff;
  border-radius: calc(var(--radius-lg) - 3px);
  padding: 50px 40px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.feature-row {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.feature-icon {
  width: 44px; height: 44px;
  background: var(--blue-pale);
  border: 1px solid rgba(37,99,235,.20);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}
.feature-text h4 {
  color: #1e293b;
  font-weight: 600;
  font-size: .95rem;
  margin-bottom: 4px;
}
.feature-text p {
  color: #64748b;
  font-size: .84rem;
  line-height: 1.55;
}

.nosotros-text .section-tag { margin-bottom: 18px; }
.nosotros-text .section-title { text-align: left; margin-bottom: 20px; }
.nosotros-text .body-text {
  color: var(--gray-600);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 16px;
}
.values-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 28px;
}
.value-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--blue-pale);
  border-left: 3px solid var(--blue-mid);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: .88rem;
  font-weight: 600;
  color: var(--blue-dark);
}

/* ===== SERVICIOS ===== */
#servicios {
  padding: 100px 0;
  background: #f1f5f9;
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.service-card {
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1px solid #e2e8f0;
  padding: 40px 32px;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  cursor: default;
  box-shadow: 0 2px 12px rgba(0,0,0,.06);
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--blue-dark), var(--blue-light));
  opacity: 0;
  transition: var(--transition);
}
.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(37,99,235,.14);
  border-color: rgba(37,99,235,.22);
}
.service-card:hover::before { opacity: 1; }

.service-icon-wrap {
  width: 64px; height: 64px;
  background: linear-gradient(135deg, var(--blue-pale), #bfdbfe);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.7rem;
  margin-bottom: 24px;
  transition: var(--transition);
}
.service-card:hover .service-icon-wrap {
  background: linear-gradient(135deg, var(--blue-main), var(--blue-light));
  box-shadow: 0 8px 20px rgba(37,99,235,.32);
}
.service-name {
  font-family: 'Outfit', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: #1e293b;
  margin-bottom: 12px;
}
.service-desc {
  color: #475569;
  font-size: .93rem;
  line-height: 1.7;
  flex-grow: 1;
  margin-bottom: 28px;
}
.service-features {
  list-style: none;
  margin-bottom: 28px;
}
.service-features li {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: .87rem;
  color: #475569;
  padding: 6px 0;
  border-bottom: 1px solid #f1f5f9;
}
.service-features li::before {
  content: '✓';
  color: var(--blue-mid);
  font-weight: 700;
  font-size: .82rem;
  width: 20px; height: 20px;
  background: var(--blue-pale);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.btn-service {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  background: transparent;
  border: 1.5px solid var(--blue-mid);
  color: var(--blue-mid);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: .9rem;
  text-decoration: none;
  transition: var(--transition);
  margin-top: auto;
}
.btn-service:hover {
  background: var(--blue-mid);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(37,99,235,.28);
}

/* ===== CONTACT ===== */
#contacto {
  padding: 100px 0;
  background: #ffffff;
  position: relative;
  overflow: hidden;
  border-top: 1px solid #e2e8f0;
}
#contacto::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(37,99,235,.06) 0%, transparent 70%);
  pointer-events: none;
}
#contacto .section-title { color: #1e293b; }
#contacto .section-tag { background: var(--blue-pale); color: var(--blue-dark); }
#contacto .section-desc { color: #64748b; }

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
  margin-top: 60px;
}
.contact-info h3 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: #1e293b;
  margin-bottom: 24px;
}
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}
.contact-item-icon {
  width: 44px; height: 44px;
  background: var(--blue-pale);
  border: 1px solid rgba(37,99,235,.20);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.contact-item-text span {
  display: block;
  color: #94a3b8;
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
}
.contact-item-text p {
  color: #1e293b;
  font-size: .95rem;
  font-weight: 500;
}

/* Form */
.contact-form {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-md);
  padding: 40px;
  box-shadow: 0 4px 24px rgba(0,0,0,.06);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 18px;
}
.form-group label {
  color: #374151;
  font-size: .85rem;
  font-weight: 600;
  letter-spacing: .3px;
}
.form-group input,
.form-group textarea,
.form-group select {
  background: #ffffff;
  border: 1.5px solid #d1d5db;
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: #1e293b;
  font-family: 'Inter', sans-serif;
  font-size: .93rem;
  transition: var(--transition);
  outline: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: #9ca3af; }
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--blue-mid);
  background: #ffffff;
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}
.form-group textarea { resize: vertical; min-height: 130px; }
.form-group select { color: #374151; }
.form-group select option { background: #ffffff; color: #1e293b; }
.btn-submit {
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, var(--blue-main), var(--blue-light));
  color: var(--white);
  font-weight: 700;
  font-size: 1rem;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: var(--transition);
  letter-spacing: .3px;
}
.btn-submit:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(37,99,235,.48);
}

/* ===== FOOTER ===== */
footer {
  background: #f1f5f9;
  border-top: 1px solid #e2e8f0;
  padding: 50px 5% 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 50px;
  padding-bottom: 40px;
  border-bottom: 1px solid #e2e8f0;
}
.footer-brand p {
  color: #64748b;
  font-size: .9rem;
  line-height: 1.7;
  margin-top: 14px;
  max-width: 280px;
}
.footer-col h4 {
  color: #1e293b;
  font-weight: 700;
  font-size: .95rem;
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a {
  color: #64748b;
  text-decoration: none;
  font-size: .88rem;
  transition: color .2s;
}
.footer-col a:hover { color: var(--blue-mid); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 28px;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p { color: #94a3b8; font-size: .82rem; }
.footer-bottom a { color: #64748b; text-decoration: none; }
.footer-bottom a:hover { color: var(--blue-mid); }

/* ===== ANIMATIONS ===== */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: .12s; }
.reveal-delay-2 { transition-delay: .24s; }
.reveal-delay-3 { transition-delay: .36s; }

/* ===== TOAST ===== */
.toast {
  position: fixed;
  bottom: 30px; right: 30px;
  background: var(--blue-mid);
  color: var(--white);
  padding: 14px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: .93rem;
  box-shadow: var(--shadow-lg);
  transform: translateY(80px);
  opacity: 0;
  transition: var(--transition);
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 10px;
}
.toast.show { transform: translateY(0); opacity: 1; }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .nosotros-grid, .contact-wrapper { grid-template-columns: 1fr; }
  .nosotros-visual { order: -1; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .nav-links { display: none; position: fixed; top: 80px; left: 0; right: 0;
    flex-direction: column; background: rgba(255,255,255,.98);
    padding: 20px; gap: 6px; border-bottom: 1px solid rgba(37,99,235,.12);
    backdrop-filter: blur(16px);
    box-shadow: 0 8px 24px rgba(37,99,235,.08);
  }
  .nav-links.open { display: flex; }
  .hamburger { display: flex; }
  .services-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .values-list { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; }
  .stat-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,.08); }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
}