/* ===== CSS Variables & Reset ===== */
:root {
  --primary: #2C6E8A;
  --primary-light: #6BA3BE;
  --primary-lighter: #A8D4E6;
  --primary-pale: #d4eaf3;
  --primary-dark: #1B3A4B;
  --accent: #3A9ABF;
  --bg-main: #F2F2F2;
  --bg-white: #ffffff;
  --bg-section: #E8EEF1;
  --bg-card: #ffffff;
  --text-dark: #1B3A4B;
  --text-body: #3D5A6E;
  --text-muted: #7A9AAD;
  --gradient-primary: linear-gradient(135deg, #2C6E8A 0%, #6BA3BE 100%);
  --gradient-hero: linear-gradient(160deg, #ffffff 0%, #eaf3f8 50%, #d4eaf3 100%);
  --gradient-cta: linear-gradient(135deg, #2C6E8A 0%, #3A9ABF 100%);
  --shadow-card: 0 4px 24px rgba(27,58,75,0.08);
  --shadow-hover: 0 12px 40px rgba(27,58,75,0.14);
  --shadow-glow: 0 0 30px rgba(44,110,138,0.12);
  --radius: 16px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 90px; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg-main);
  color: var(--text-dark);
  line-height: 1.7;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== Navbar ===== */
.navbar {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
  background: #ffffff;
  transition: var(--transition);
}
.navbar.scrolled {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(16px);
  box-shadow: 0 2px 20px rgba(27,58,75,0.08);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; padding: 10px 0; }
.nav-logo { display: flex; align-items: center; }
.nav-logo img { height: 130px; object-fit: contain; }

.nav-links { display: flex; gap: 32px; align-items: center; }
.nav-links a {
  font-size: 0.9rem; font-weight: 500; color: var(--text-body);
  transition: var(--transition); position: relative;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px;
  background: var(--primary); transition: var(--transition);
}
.nav-links a:hover { color: var(--primary-dark); }
.nav-links a:hover::after { width: 100%; }

.btn-cta {
  padding: 10px 28px; border-radius: 50px; font-weight: 600; font-size: 0.9rem;
  background: var(--gradient-cta); color: #fff; border: none; cursor: pointer;
  transition: var(--transition); display: inline-flex; align-items: center; gap: 8px;
}
.btn-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(44,110,138,0.3); }

.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; background: none; border: none; padding: 4px; }
.hamburger span { width: 26px; height: 2px; background: var(--primary-dark); transition: var(--transition); border-radius: 2px; }

/* ===== Hero ===== */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  background: var(--gradient-hero); position: relative; overflow: hidden;
  padding-top: 100px;
}
.hero::before {
  content: ''; position: absolute; top: -40%; right: -25%; width: 70vw; height: 70vw;
  background: radial-gradient(circle, rgba(168,212,230,0.25) 0%, transparent 70%);
  animation: pulse 8s ease-in-out infinite;
}
.hero::after {
  content: ''; position: absolute; bottom: -20%; left: -15%; width: 50vw; height: 50vw;
  background: radial-gradient(circle, rgba(44,110,138,0.08) 0%, transparent 70%);
  animation: pulse 10s ease-in-out infinite reverse;
}
@keyframes pulse { 0%,100% { transform: scale(1); opacity: 0.5; } 50% { transform: scale(1.1); opacity: 1; } }

.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; position: relative; z-index: 2; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px; padding: 6px 16px;
  border-radius: 50px; background: rgba(44,110,138,0.08); border: 1px solid rgba(44,110,138,0.15);
  font-size: 0.8rem; color: var(--primary); margin-bottom: 20px; font-weight: 500;
}
.hero-badge .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--primary); animation: blink 2s infinite; }
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: 0.3; } }

.hero h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 800; line-height: 1.15; margin-bottom: 20px; color: var(--primary-dark); }
.hero h1 .highlight {
  background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p { font-size: 1.1rem; color: var(--text-body); max-width: 500px; margin-bottom: 32px; }

.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }
.btn-outline {
  padding: 10px 28px; border-radius: 50px; font-weight: 600; font-size: 0.9rem;
  background: transparent; color: var(--primary); border: 1.5px solid var(--primary-light);
  cursor: pointer; transition: var(--transition);
}
.btn-outline:hover { background: rgba(44,110,138,0.06); transform: translateY(-2px); }

.hero-visual { position: relative; display: flex; justify-content: center; align-items: center; }
.hero-visual img {
  width: 90%; max-width: 480px; border-radius: var(--radius);
  box-shadow: 0 20px 60px rgba(27,58,75,0.15);
  animation: float 6s ease-in-out infinite;
}
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-16px); } }

/* Floating stats */
.stat-card {
  position: absolute; background: rgba(255,255,255,0.9); backdrop-filter: blur(12px);
  border: 1px solid rgba(44,110,138,0.1); border-radius: 12px; padding: 14px 20px;
  box-shadow: var(--shadow-card);
  animation: float 5s ease-in-out infinite;
}
.stat-card.s1 { top: 10%; right: -10%; animation-delay: -1s; }
.stat-card.s2 { bottom: 15%; left: -5%; animation-delay: -3s; }
.stat-card .num { font-size: 1.6rem; font-weight: 800; background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.stat-card .label { font-size: 0.75rem; color: var(--text-muted); }

/* ===== Sections Common ===== */
section { padding: 100px 0; }
.section-header { text-align: center; margin-bottom: 64px; }
.section-tag {
  display: inline-block; padding: 4px 14px; border-radius: 50px; font-size: 0.75rem;
  font-weight: 600; text-transform: uppercase; letter-spacing: 1.5px;
  background: rgba(44,110,138,0.08); color: var(--primary); border: 1px solid rgba(44,110,138,0.15);
  margin-bottom: 16px;
}
.section-header h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 800; margin-bottom: 16px; color: var(--primary-dark); }
.section-header p { color: var(--text-body); max-width: 600px; margin: 0 auto; }

/* ===== Services ===== */
#servicios { background: var(--bg-white); }
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 28px; }

.service-card {
  background: var(--bg-card); border: 1px solid rgba(44,110,138,0.08);
  border-radius: var(--radius); padding: 36px 28px; transition: var(--transition);
  position: relative; overflow: hidden;
  box-shadow: 0 2px 12px rgba(27,58,75,0.04);
}
.service-card::before {
  content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 3px;
  background: var(--gradient-primary); transform: scaleX(0); transform-origin: left;
  transition: var(--transition);
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: rgba(44,110,138,0.15); }
.service-card:hover::before { transform: scaleX(1); }

.service-icon {
  width: 64px; height: 64px; border-radius: 14px; display: flex; align-items: center; justify-content: center;
  background: var(--primary-pale); margin-bottom: 20px; overflow: hidden;
}
.service-icon img { width: 48px; height: 48px; object-fit: cover; border-radius: 8px; }
.service-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 10px; color: var(--primary-dark); }
.service-card p { color: var(--text-body); font-size: 0.92rem; line-height: 1.65; }

/* ===== Quote / CTA mid ===== */
.quote-section {
  background: var(--gradient-cta); text-align: center; position: relative; overflow: hidden;
}
.quote-section::before {
  content: ''; position: absolute; inset: 0;
  background: url('assets/hero-bg.png') center/cover no-repeat; opacity: 0.06;
}
.quote-inner { position: relative; z-index: 2; max-width: 700px; margin: 0 auto; }
.quote-inner blockquote {
  font-size: clamp(1.3rem, 3vw, 1.8rem); font-weight: 600; font-style: italic;
  line-height: 1.5; margin-bottom: 20px; color: #fff;
}
.quote-inner cite { color: var(--primary-pale); font-size: 1rem; font-style: normal; font-weight: 600; }

/* ===== Contact ===== */
#contacto { background: var(--bg-white); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.contact-info h3 { font-size: 1.4rem; font-weight: 700; margin-bottom: 16px; color: var(--primary-dark); }
.contact-info p { color: var(--text-body); margin-bottom: 24px; }
.contact-info-item { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.contact-info-item .icon {
  width: 44px; height: 44px; border-radius: 12px; background: var(--primary-pale);
  display: flex; align-items: center; justify-content: center; font-size: 1.1rem;
}
.contact-info-item span { color: var(--text-body); font-size: 0.92rem; }
.contact-info-item a { color: var(--text-body); text-decoration: none; transition: var(--transition); }
.contact-info-item a:hover { color: var(--primary); }

.contact-form {
  background: var(--bg-main); border: 1px solid rgba(44,110,138,0.08);
  border-radius: var(--radius); padding: 36px;
  box-shadow: 0 2px 12px rgba(27,58,75,0.04);
}
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 6px; color: var(--text-body); }
.form-group input, .form-group textarea {
  width: 100%; padding: 12px 16px; border-radius: 10px; border: 1px solid rgba(44,110,138,0.15);
  background: var(--bg-white); color: var(--text-dark); font-family: inherit; font-size: 0.92rem;
  transition: var(--transition); outline: none;
}
.form-group input:focus, .form-group textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(44,110,138,0.08); }
.form-group textarea { resize: vertical; min-height: 110px; }

/* ===== Footer ===== */
.footer {
  background: #ffffff; border-top: 1px solid rgba(44,110,138,0.1); padding: 40px 0 24px;
}
.footer-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.footer-logo { display: flex; align-items: center; }
.footer-logo img { height: 91px; object-fit: contain; border-radius: 10px; }
.footer-copy { color: var(--text-muted); font-size: 0.82rem; }
.footer-links { display: flex; gap: 24px; }
.footer-links a { color: var(--text-muted); font-size: 0.85rem; transition: var(--transition); }
.footer-links a:hover { color: var(--primary); }

/* ===== Animations on scroll ===== */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ===== Particles canvas ===== */
#particles { position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; }

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero p { margin: 0 auto 32px; }
  .hero-buttons { justify-content: center; }
  .hero-visual { margin-top: 40px; }
  .stat-card { display: none; }
  .contact-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .nav-logo img { height: 91px; }
}
@media (max-width: 768px) {
  .nav-links { display: none; position: absolute; top: 100%; left: 0; width: 100%; flex-direction: column; background: rgba(242,242,242,0.97); padding: 24px; gap: 18px; border-top: 1px solid rgba(44,110,138,0.1); }
  .nav-links.active { display: flex; }
  .hamburger { display: flex; }
}