* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --green-primary: #00c896; --green-dark: #006b45; --green-light: #00a878;
  --blue-primary: #1a5db8; --blue-dark: #0a2d6b; --blue-light: #2a7de8;
  --bg-dark: #0a1628; --bg-darker: #060f1c;
  --text-white: #ffffff; --text-muted: rgba(255,255,255,0.7);
  --glass-bg: rgba(255,255,255,0.04); --glass-border: rgba(255,255,255,0.08);
}
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { 
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif; 
  background: var(--bg-dark); color: var(--text-white); overflow-x: hidden; line-height: 1.6; 
}
canvas.network-canvas { position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; }

.navbar { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; background: rgba(10,22,40,0.85); backdrop-filter: blur(20px); border-bottom: 1px solid var(--glass-border); transition: all 0.3s ease; height: 70px; }
.navbar.scrolled { background: rgba(10,22,40,0.95); box-shadow: 0 4px 30px rgba(0,0,0,0.3); }
.nav-container { max-width: 1400px; margin: 0 auto; padding: 0 20px; display: flex; align-items: center; justify-content: space-between; height: 70px; }
.nav-logo { display: flex; flex-direction: column; align-items: flex-start; gap: 2px; text-decoration: none; color: var(--text-white); }
.nav-logo-svg { width: 42px; height: 42px; flex-shrink: 0; fill: #ffffff; transition: opacity 0.3s ease; }
.nav-logo:hover .nav-logo-svg { opacity: 0.85; }
.nav-logo-subtitle { font-size: 0.6rem; font-weight: 500; color: var(--text-muted); line-height: 1.1; letter-spacing: 0.3px; max-width: 180px; white-space: nowrap; }
.nav-links { display: flex; align-items: center; gap: 2px; list-style: none; }
.nav-links a { color: var(--text-muted); text-decoration: none; font-size: 0.82rem; font-weight: 600; padding: 8px 12px; border-radius: 6px; transition: all 0.3s ease; letter-spacing: 0.5px; white-space: nowrap; }
.nav-links a:hover, .nav-links a.active { color: var(--green-primary); background: rgba(0,200,150,0.1); }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 5px; z-index: 1001; background: none; border: none; }
.hamburger span { width: 28px; height: 2px; background: var(--text-white); transition: all 0.3s ease; border-radius: 2px; }
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.section-anchor { display: block; position: relative; top: -80px; visibility: hidden; height: 0; overflow: hidden; }
.section { position: relative; z-index: 1; padding: 80px 20px; max-width: 1400px; margin: 0 auto; }
.section-header { text-align: center; margin-bottom: 50px; }
.section-label { display: inline-block; background: linear-gradient(90deg, var(--green-dark), var(--green-primary)); padding: 5px 18px; border-radius: 4px; font-size: 0.75rem; font-weight: 700; letter-spacing: 3px; text-transform: uppercase; margin-bottom: 12px; }
.section-title { font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 800; margin-bottom: 15px; line-height: 1.2; }
.section-title .accent { color: var(--green-primary); }
.section-desc { color: var(--text-muted); font-size: clamp(0.9rem, 1.8vw, 1.1rem); max-width: 700px; margin: 0 auto; }
#inicio { min-height: 100vh; display: flex; align-items: center; justify-content: center; text-align: center; padding-top: 70px; background-size: cover; background-position: center; }
.hero-content { max-width: 900px; }
.hero-logo { width: 140px; height: 140px; margin: 0 auto 25px; filter: drop-shadow(0 0 30px rgba(0,200,150,0.4)); animation: float 4s ease-in-out infinite; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
.hero-title { font-size: clamp(2.2rem, 5vw, 3.8rem); font-weight: 800; letter-spacing: 3px; line-height: 1.1; margin-bottom: 10px; text-shadow: 0 0 40px rgba(0,200,150,0.3); }
.hero-title .accent { color: var(--green-primary); }
.hero-subtitle { background: linear-gradient(90deg, var(--green-dark), var(--green-primary)); display: inline-block; padding: 8px 28px; border-radius: 4px; font-size: clamp(0.9rem, 2vw, 1.15rem); font-weight: 600; letter-spacing: 3px; margin-bottom: 25px; }
.hero-desc { color: var(--text-muted); font-size: clamp(0.95rem, 1.8vw, 1.15rem); margin-bottom: 35px; line-height: 1.7; }
.hero-buttons { display: flex; gap: 15px; justify-content: center; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 28px; border-radius: 8px; font-size: 0.9rem; font-weight: 700; text-decoration: none; letter-spacing: 1px; transition: all 0.3s ease; cursor: pointer; border: none; font-family: inherit; }
.btn-primary { background: linear-gradient(135deg, var(--green-dark), var(--green-primary)); color: #fff; box-shadow: 0 4px 20px rgba(0,200,150,0.3); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 30px rgba(0,200,150,0.4); }.btn-outline { background: transparent; color: var(--text-white); border: 2px solid var(--green-primary); }
.btn-outline:hover { background: rgba(0,200,150,0.1); transform: translateY(-2px); }
.hero-stats { display: flex; justify-content: center; gap: 40px; margin-top: 50px; flex-wrap: wrap; }
.stat-item { text-align: center; }
.stat-number { font-size: 2.2rem; font-weight: 800; color: var(--green-primary); display: block; }
.stat-label { font-size: 0.8rem; color: var(--text-muted); letter-spacing: 1px; text-transform: uppercase; }

.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.about-text h3 { font-size: 1.5rem; margin-bottom: 15px; color: var(--green-primary); }
.about-text p { color: var(--text-muted); margin-bottom: 15px; font-size: 0.95rem; line-height: 1.7; }
.about-visual { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.about-card { background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: 12px; padding: 25px 18px; text-align: center; transition: all 0.3s ease; }
.about-card:hover { transform: translateY(-4px); border-color: var(--green-primary); box-shadow: 0 8px 30px rgba(0,200,150,0.1); }
.about-card:nth-child(2), .about-card:nth-child(3) { transform: translateY(15px); }
.about-card:nth-child(2):hover, .about-card:nth-child(3):hover { transform: translateY(11px); }
.about-card-icon { width: 50px; height: 50px; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 12px; }
.about-card-icon.green-bg { background: linear-gradient(135deg, var(--green-dark), var(--green-primary)); }
.about-card-icon.blue-bg { background: linear-gradient(135deg, var(--blue-dark), var(--blue-primary)); }
.about-card-icon svg { width: 24px; height: 24px; }
.about-card h4 { font-size: 0.9rem; margin-bottom: 6px; }
.about-card p { font-size: 0.78rem; color: var(--text-muted); }

.mv-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 25px; margin-top: 40px; }
.mv-card { background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: 16px; padding: 35px 30px; position: relative; overflow: hidden; }
.mv-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; }
.mv-card.mission::before { background: linear-gradient(90deg, var(--green-dark), var(--green-primary)); }
.mv-card.vision::before { background: linear-gradient(90deg, var(--blue-dark), var(--blue-primary)); }
.mv-card h3 { font-size: 1.3rem; margin-bottom: 12px; display: flex; align-items: center; gap: 10px; }
.mv-card p { color: var(--text-muted); font-size: 0.95rem; line-height: 1.7; }

.research-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.research-card { background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: 16px; padding: 30px 22px; transition: all 0.3s ease; position: relative; overflow: hidden; }
.research-card:hover { transform: translateY(-5px); border-color: var(--green-primary); box-shadow: 0 10px 40px rgba(0,200,150,0.1); }
.research-card .card-number { position: absolute; top: 15px; right: 20px; font-size: 3rem; font-weight: 800; color: rgba(255,255,255,0.04); }
.research-card-icon { width: 56px; height: 56px; border-radius: 12px; display: flex; align-items: center; justify-content: center; margin-bottom: 18px; }
.research-card-icon.green-bg { background: linear-gradient(135deg, var(--green-dark), var(--green-primary)); box-shadow: 0 4px 15px rgba(0,200,150,0.2); }
.research-card-icon.blue-bg { background: linear-gradient(135deg, var(--blue-dark), var(--blue-primary)); box-shadow: 0 4px 15px rgba(26,93,184,0.2); }
.research-card-icon svg { width: 28px; height: 28px; }
.research-card h3 { font-size: 1.1rem; margin-bottom: 10px; font-weight: 700; }
.research-card p { color: var(--text-muted); font-size: 0.85rem; line-height: 1.6; margin-bottom: 15px; }
.research-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.research-tag { background: rgba(0,200,150,0.1); color: var(--green-primary); padding: 3px 10px; border-radius: 20px; font-size: 0.7rem; font-weight: 600; letter-spacing: 0.5px; }
.research-tag.blue-tag { background: rgba(26,93,184,0.15); color: var(--blue-light); }

.pub-list { display: flex; flex-direction: column; gap: 15px; }
.pub-item { background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: 12px; padding: 22px 25px; display: flex; gap: 18px; align-items: flex-start; transition: all 0.3s ease; }
.pub-item:hover { border-color: var(--green-primary); transform: translateX(5px); }
.pub-year-badge { background: linear-gradient(135deg, var(--green-dark), var(--green-primary)); color: #fff; padding: 6px 12px; border-radius: 6px; font-size: 0.8rem; font-weight: 700; white-space: nowrap; flex-shrink: 0; min-width: 55px; text-align: center; }
.pub-info h4 { font-size: 0.95rem; margin-bottom: 5px; line-height: 1.4; }
.pub-info .pub-authors { color: var(--text-muted); font-size: 0.8rem; margin-bottom: 4px; }.pub-info .pub-journal { color: var(--green-primary); font-size: 0.78rem; font-weight: 600; }

.ps-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.ps-card { background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: 16px; padding: 28px 25px; transition: all 0.3s ease; display: flex; gap: 18px; align-items: flex-start; }
.ps-card:hover { transform: translateY(-4px); border-color: var(--green-primary); box-shadow: 0 8px 30px rgba(0,200,150,0.08); }
.ps-icon { width: 50px; height: 50px; border-radius: 12px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.ps-icon.green-bg { background: linear-gradient(135deg, var(--green-dark), var(--green-primary)); }
.ps-icon.blue-bg { background: linear-gradient(135deg, var(--blue-dark), var(--blue-primary)); }
.ps-icon svg { width: 24px; height: 24px; }
.ps-info h3 { font-size: 1rem; margin-bottom: 6px; }
.ps-info p { color: var(--text-muted); font-size: 0.83rem; line-height: 1.6; }
.ps-info .ps-tag { display: inline-block; margin-top: 8px; background: rgba(0,200,150,0.1); color: var(--green-primary); padding: 3px 10px; border-radius: 20px; font-size: 0.7rem; font-weight: 600; }
.ps-info .ps-tag.blue-tag { background: rgba(26,93,184,0.15); color: var(--blue-light); }

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 35px; }
.contact-card { background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: 12px; padding: 22px; display: flex; gap: 15px; align-items: center; transition: all 0.3s ease; }
.contact-card:hover { border-color: var(--green-primary); transform: translateX(5px); }
.contact-card-icon { width: 46px; height: 46px; border-radius: 10px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.contact-card-icon.green-bg { background: linear-gradient(135deg, var(--green-dark), var(--green-primary)); }
.contact-card-icon.blue-bg { background: linear-gradient(135deg, var(--blue-dark), var(--blue-primary)); }
.contact-card-icon svg { width: 22px; height: 22px; }
.contact-card h4 { font-size: 0.9rem; margin-bottom: 3px; }
.contact-card p { color: var(--text-muted); font-size: 0.82rem; }
.contact-form { background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: 16px; padding: 30px; }
.contact-form h3 { font-size: 1.2rem; margin-bottom: 20px; color: var(--green-primary); }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 0.8rem; font-weight: 600; margin-bottom: 6px; color: var(--text-muted); letter-spacing: 0.5px; }
.form-group input, .form-group textarea, .form-group select { width: 100%; padding: 11px 15px; border-radius: 8px; border: 1px solid var(--glass-border); background: rgba(255,255,255,0.05); color: var(--text-white); font-size: 0.9rem; font-family: inherit; transition: all 0.3s ease; outline: none; }
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { border-color: var(--green-primary); box-shadow: 0 0 0 3px rgba(0,200,150,0.1); }
.form-group textarea { resize: vertical; min-height: 100px; }
.form-group select option { background: var(--bg-dark); color: var(--text-white); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.btn-submit { width: 100%; padding: 13px; margin-top: 5px; }

.footer { position: relative; z-index: 1; background: rgba(6,15,28,0.9); border-top: 1px solid var(--glass-border); padding: 40px 20px 20px; }
.footer-content { max-width: 1400px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 35px; margin-bottom: 30px; }
.footer-brand h3 { font-size: 1.3rem; font-weight: 800; letter-spacing: 3px; margin-bottom: 10px; }
.footer-brand p { color: var(--text-muted); font-size: 0.83rem; line-height: 1.6; }
.footer-col h4 { font-size: 0.85rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 15px; color: var(--green-primary); }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { color: var(--text-muted); text-decoration: none; font-size: 0.82rem; transition: color 0.3s ease; }
.footer-col ul li a:hover { color: var(--green-primary); }
.footer-bottom { max-width: 1400px; margin: 0 auto; padding-top: 20px; border-top: 1px solid var(--glass-border); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }
.footer-bottom p { color: var(--text-muted); font-size: 0.78rem; }

.scroll-top { position: fixed; bottom: 30px; right: 30px; width: 46px; height: 46px; border-radius: 50%; background: linear-gradient(135deg, var(--green-dark), var(--green-primary)); color: #fff; display: flex; align-items: center; justify-content: center; cursor: pointer; z-index: 999; opacity: 0; transform: translateY(20px); transition: all 0.3s ease; border: none; box-shadow: 0 4px 20px rgba(0,200,150,0.3); }
.scroll-top.visible { opacity: 1; transform: translateY(0); }
.scroll-top:hover { transform: translateY(-3px); }
.scroll-top svg { width: 20px; height: 20px; }
.fade-in { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

.admin-wrap .box { overflow-x: auto; overflow-y: hidden; -webkit-overflow-scrolling: touch; border-radius: 12px; }
.admin-wrap table { width: 100%; border-collapse: collapse; min-width: 700px; }
.admin-wrap .box::-webkit-scrollbar { height: 8px; background: rgba(255,255,255,0.05); border-radius: 4px; }
.admin-wrap .box::-webkit-scrollbar-thumb { background: var(--green-primary); border-radius: 4px; }

@media (max-width: 1024px) { .research-grid { grid-template-columns: repeat(2, 1fr); } .footer-content { grid-template-columns: 1fr 1fr; } }
@media (max-width: 768px) { .hamburger { display: flex; } .nav-links { position: fixed; top: 0; right: -100%; width: 280px; height: 100vh; background: rgba(10,22,40,0.98); backdrop-filter: blur(20px); flex-direction: column; justify-content: center; gap: 5px; padding: 20px; transition: right 0.3s ease; border-left: 1px solid var(--glass-border); } .nav-links.open { right: 0; } .nav-links a { font-size: 1rem; padding: 12px 18px; width: 100%; } .about-grid, .mv-grid, .research-grid, .ps-grid, .contact-grid { grid-template-columns: 1fr; } .form-row { grid-template-columns: 1fr; } .hero-stats { gap: 25px; } .footer-content { grid-template-columns: 1fr; } .footer-bottom { flex-direction: column; text-align: center; } .nav-logo-svg { width: 38px; height: 38px; } .nav-logo-subtitle { font-size: 0.55rem; max-width: 140px; } }
@media (max-width: 480px) { .section { padding: 60px 15px; } .hero-title { font-size: 1.8rem; } .about-visual { grid-template-columns: 1fr; } .pub-item { flex-direction: column; } .pub-year-badge { align-self: flex-start; } }