/* =============================================
   JAVIER MOSQUERA — Portfolio CSS
   Sistema de diseño: Navy + Electric Blue
   Versión: 2.0
   ============================================= */

/* 1. VARIABLES */
:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #3b82f6;
  --accent: #06b6d4;
  --navy: #0f172a;
  --navy-2: #1e293b;
  --navy-3: #334155;
  --text: #f1f5f9;
  --text-muted: #94a3b8;
  --border: rgba(148,163,184,.15);
  --bg: #0f172a;
  --card-bg: rgba(30,41,59,.8);
  --glass: rgba(255,255,255,.04);
  --shadow: 0 4px 24px rgba(0,0,0,.4);
  --shadow-lg: 0 12px 48px rgba(0,0,0,.5);
  --radius: .75rem;
  --radius-lg: 1.25rem;
  --container: 1140px;
  --font: 'Inter','Segoe UI',system-ui,sans-serif;
  --transition: .25s ease;
}

/* 2. RESET */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.7;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}

/* 3. UTILITIES */
.container{width:min(100% - 2rem, var(--container));margin-inline:auto}
.section{padding-block:5rem}
.section-alt{background:var(--navy-2)}
.section-header{text-align:center;margin-bottom:3.5rem}
.section-header h2{font-size:clamp(1.75rem,4vw,2.5rem);font-weight:800;margin-bottom:.75rem}
.section-header p{color:var(--text-muted);font-size:1.05rem;max-width:640px;margin-inline:auto}
.tag{display:inline-flex;align-items:center;gap:.35rem;padding:.25rem .75rem;border-radius:999px;font-size:.78rem;font-weight:600;background:rgba(37,99,235,.15);color:var(--primary-light);border:1px solid rgba(37,99,235,.3)}
.badge{display:inline-block;padding:.2rem .6rem;border-radius:999px;font-size:.72rem;font-weight:700}
.badge-blue{background:rgba(37,99,235,.2);color:#60a5fa}
.badge-cyan{background:rgba(6,182,212,.2);color:#22d3ee}
.badge-green{background:rgba(16,185,129,.2);color:#34d399}

/* 4. BUTTONS */
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.75rem 1.5rem;border-radius:var(--radius);font-weight:700;font-size:.95rem;transition:var(--transition);min-height:44px;white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 8px 24px rgba(37,99,235,.4)}
.btn-outline{border:1.5px solid var(--border);color:var(--text)}
.btn-outline:hover{border-color:var(--primary-light);color:var(--primary-light);transform:translateY(-2px)}
.btn-ghost{color:var(--text-muted)}
.btn-ghost:hover{color:var(--primary-light)}

/* 5. HEADER */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;padding:.875rem 0;transition:background var(--transition),box-shadow var(--transition)}
.site-header.scrolled{background:rgba(15,23,42,.95);backdrop-filter:blur(12px);box-shadow:0 1px 0 var(--border)}
.header-inner{display:flex;align-items:center;gap:1.5rem}
.site-logo{font-weight:900;font-size:1.3rem;letter-spacing:-.02em;color:var(--text)}
.site-logo span{color:var(--primary-light)}
.main-nav{display:flex;align-items:center;gap:.25rem;margin-left:auto}
.main-nav a{padding:.45rem .8rem;border-radius:.5rem;font-size:.9rem;font-weight:500;color:var(--text-muted);transition:var(--transition)}
.main-nav a:hover,.main-nav a.active{color:var(--text);background:var(--glass)}
.header-actions{display:flex;align-items:center;gap:.75rem;margin-left:1rem}
.lang-btn{display:flex;align-items:center;gap:.4rem;padding:.4rem .75rem;border-radius:.5rem;font-size:.82rem;font-weight:600;color:var(--text-muted);border:1px solid var(--border);transition:var(--transition)}
.lang-btn:hover{color:var(--text);border-color:var(--primary-light)}
.lang-btn img{width:18px;height:12px;object-fit:cover;border-radius:2px}
.menu-btn{display:none;flex-direction:column;justify-content:center;gap:5px;width:40px;height:40px;border-radius:.5rem;margin-left:auto}
.menu-btn span{display:block;height:2px;background:var(--text);border-radius:2px;transition:var(--transition)}
.menu-btn.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-btn.open span:nth-child(2){opacity:0}
.menu-btn.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* 6. HERO */
.hero{min-height:100vh;display:flex;align-items:center;padding-top:5rem;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 80% 60% at 60% 40%,rgba(37,99,235,.12) 0%,transparent 70%);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center}
.hero-eyebrow{display:flex;align-items:center;gap:.75rem;margin-bottom:1.25rem}
.hero-eyebrow::before{content:'';display:block;width:2.5rem;height:2px;background:var(--primary-light)}
.hero-eyebrow span{font-size:.85rem;font-weight:700;text-transform:uppercase;color:var(--primary-light)}
.hero h1{font-size:clamp(2rem,5vw,3.25rem);font-weight:900;line-height:1.15;margin-bottom:1.25rem;letter-spacing:-.02em}
.hero h1 em{font-style:normal;color:var(--primary-light)}
.hero-sub{font-size:1.05rem;color:var(--text-muted);margin-bottom:2rem;max-width:520px;line-height:1.8}
.hero-actions{display:flex;flex-wrap:wrap;gap:.875rem;margin-bottom:2.5rem}
.hero-meta{display:flex;align-items:center;gap:1.25rem;flex-wrap:wrap}
.hero-meta-item{display:flex;align-items:center;gap:.45rem;font-size:.85rem;color:var(--text-muted)}
.hero-meta-item svg{color:var(--primary-light);flex-shrink:0}
.hero-card{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius-lg);padding:2rem;backdrop-filter:blur(12px);position:relative}
.hero-card::before{content:'';position:absolute;inset:-1px;border-radius:calc(var(--radius-lg) + 1px);background:linear-gradient(135deg,rgba(37,99,235,.3),transparent,rgba(6,182,212,.15));z-index:-1}
.hero-photo{width:100%;aspect-ratio:1;object-fit:cover;border-radius:var(--radius);margin-bottom:1.5rem;border:2px solid var(--border)}
.hero-card-name{font-size:1.25rem;font-weight:800;margin-bottom:.25rem}
.hero-card-role{font-size:.88rem;color:var(--primary-light);font-weight:600;margin-bottom:.25rem}
.hero-card-location{font-size:.82rem;color:var(--text-muted);margin-bottom:1rem;display:flex;align-items:center;gap:.35rem}
.hero-avail{display:flex;align-items:center;gap:.5rem;padding:.5rem .875rem;background:rgba(16,185,129,.1);border:1px solid rgba(16,185,129,.25);border-radius:999px;font-size:.8rem;font-weight:700;color:#34d399;margin-bottom:1.25rem}
.hero-avail::before{content:'';width:7px;height:7px;border-radius:50%;background:#34d399;animation:pulse-dot 2s infinite}
@keyframes pulse-dot{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.6;transform:scale(1.3)}}
.hero-socials{display:flex;gap:.625rem}
.hero-socials a{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:.5rem;background:var(--glass);border:1px solid var(--border);color:var(--text-muted);transition:var(--transition)}
.hero-socials a:hover{color:var(--primary-light);border-color:var(--primary-light);background:rgba(37,99,235,.1)}

/* 7. ABOUT */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:start}
.about-text p{color:var(--text-muted);margin-bottom:1.1rem;line-height:1.85}
.about-text p strong{color:var(--text)}
.about-values{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-top:2rem}
.about-value{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);padding:1.1rem 1.25rem}
.about-value-icon{font-size:1.5rem;margin-bottom:.5rem}
.about-value h4{font-size:.9rem;font-weight:700;margin-bottom:.25rem}
.about-value p{font-size:.82rem;color:var(--text-muted);line-height:1.5}
.about-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}
.stat-card{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;text-align:center}
.stat-number{font-size:2.25rem;font-weight:900;color:var(--primary-light);line-height:1;margin-bottom:.4rem}
.stat-label{font-size:.82rem;color:var(--text-muted);font-weight:500}

/* 8. VALUE PROP */
.value-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.25rem}
.value-card{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;transition:var(--transition)}
.value-card:hover{border-color:rgba(37,99,235,.4);transform:translateY(-3px);box-shadow:var(--shadow)}
.value-icon{width:44px;height:44px;border-radius:.6rem;background:rgba(37,99,235,.15);display:flex;align-items:center;justify-content:center;margin-bottom:1rem;color:var(--primary-light)}
.value-card h3{font-size:1rem;font-weight:700;margin-bottom:.5rem}
.value-card p{font-size:.88rem;color:var(--text-muted);line-height:1.65}

/* 9. EXPERIENCE */
.timeline{position:relative;padding-left:2rem}
.timeline::before{content:'';position:absolute;left:0;top:0;bottom:0;width:2px;background:linear-gradient(to bottom,var(--primary),var(--accent),transparent)}
.timeline-item{position:relative;margin-bottom:3rem}
.timeline-dot{position:absolute;left:-2.375rem;top:.25rem;width:12px;height:12px;border-radius:50%;background:var(--primary-light);border:2px solid var(--bg);box-shadow:0 0 0 3px rgba(37,99,235,.3)}
.timeline-card{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.75rem 2rem}
.timeline-header{display:flex;flex-wrap:wrap;align-items:flex-start;justify-content:space-between;gap:.75rem;margin-bottom:.75rem}
.timeline-title{font-size:1.15rem;font-weight:800}
.timeline-company{font-size:.95rem;color:var(--primary-light);font-weight:600;margin-bottom:.25rem}
.timeline-period{font-size:.82rem;color:var(--text-muted);background:var(--glass);border:1px solid var(--border);padding:.3rem .7rem;border-radius:999px;white-space:nowrap}
.timeline-desc{color:var(--text-muted);font-size:.92rem;margin-bottom:1rem;line-height:1.75}
.timeline-tags{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1rem}
.timeline-list{display:flex;flex-direction:column;gap:.5rem}
.timeline-list li{position:relative;padding-left:1.25rem;font-size:.88rem;color:var(--text-muted);line-height:1.6;margin-bottom:.5rem}
.timeline-list li:last-child{margin-bottom:0}
.timeline-list li::before{content:'→';color:var(--primary-light);position:absolute;left:0;top:.05rem}

/* 10. PROJECTS */
.projects-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1.5rem}
.project-card{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;transition:var(--transition);display:flex;flex-direction:column}
.project-card:hover{border-color:rgba(37,99,235,.4);transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.project-img{height:200px;overflow:hidden;background:var(--navy-2);position:relative}
.project-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.project-card:hover .project-img img{transform:scale(1.05)}
.project-body{padding:1.5rem;flex:1;display:flex;flex-direction:column}
.project-name{font-size:1.1rem;font-weight:800;margin-bottom:.5rem}
.project-desc{font-size:.88rem;color:var(--text-muted);line-height:1.65;margin-bottom:1rem;flex:1}
.project-techs{display:flex;flex-wrap:wrap;gap:.4rem;margin-bottom:1.25rem}
.project-links{display:flex;gap:.625rem}
.project-links a{font-size:.82rem;font-weight:700;padding:.4rem .875rem;border-radius:.5rem;border:1px solid var(--border);color:var(--text-muted);transition:var(--transition)}
.project-links a:hover{color:var(--primary-light);border-color:var(--primary-light)}

/* 11. STACK */
.stack-categories{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.25rem}
.stack-cat{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.5rem}
.stack-cat-header{display:flex;align-items:center;gap:.75rem;margin-bottom:1.25rem}
.stack-cat-icon{width:38px;height:38px;border-radius:.5rem;background:rgba(37,99,235,.15);display:flex;align-items:center;justify-content:center;color:var(--primary-light)}
.stack-cat-title{font-size:1rem;font-weight:700}
.stack-items{display:flex;flex-wrap:wrap;gap:.625rem}
.stack-item{display:flex;align-items:center;gap:.4rem;padding:.35rem .75rem;background:var(--glass);border:1px solid var(--border);border-radius:.5rem;font-size:.82rem;font-weight:500;transition:var(--transition)}
.stack-item:hover{border-color:rgba(37,99,235,.4);background:rgba(37,99,235,.08)}
.stack-item img{width:18px;height:18px;object-fit:contain}

/* 12. CERTS & EDUCATION */
.certs-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.25rem}
.cert-card{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem 1.5rem;display:flex;align-items:flex-start;gap:1rem;transition:var(--transition)}
.cert-card:hover{border-color:rgba(37,99,235,.35);transform:translateY(-2px)}
.cert-icon{font-size:1.75rem;flex-shrink:0;line-height:1}
.cert-name{font-size:.95rem;font-weight:700;margin-bottom:.25rem}
.cert-issuer{font-size:.8rem;color:var(--text-muted)}
.edu-list{display:flex;flex-direction:column;gap:1rem;max-width:720px;margin-inline:auto}
.edu-item{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem 1.5rem;display:flex;align-items:flex-start;gap:1rem}
.edu-icon{font-size:1.5rem;flex-shrink:0}
.edu-title{font-size:.95rem;font-weight:700;margin-bottom:.2rem}
.edu-sub{font-size:.82rem;color:var(--primary-light);font-weight:600}
.edu-date{font-size:.8rem;color:var(--text-muted)}

/* 13. REMOTE */
.remote-box{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius-lg);padding:2.5rem;max-width:820px;margin-inline:auto;text-align:center}
.remote-tools{display:flex;flex-wrap:wrap;justify-content:center;gap:.625rem;margin-top:1.5rem}

/* 14. CONTACT */
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:3rem;align-items:start}
.contact-info h2{font-size:1.75rem;font-weight:800;margin-bottom:.875rem}
.contact-info p{color:var(--text-muted);margin-bottom:1.5rem;line-height:1.8}
.contact-links{display:flex;flex-direction:column;gap:.875rem;margin-bottom:2rem}
.contact-link{display:flex;align-items:center;gap:.875rem;padding:1rem 1.25rem;background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);transition:var(--transition)}
.contact-link:hover{border-color:rgba(37,99,235,.4);transform:translateX(4px)}
.contact-link-icon{width:38px;height:38px;border-radius:.5rem;background:rgba(37,99,235,.15);display:flex;align-items:center;justify-content:center;color:var(--primary-light);flex-shrink:0}
.contact-link-text strong{display:block;font-size:.9rem;font-weight:700;margin-bottom:.1rem}
.contact-link-text span{font-size:.82rem;color:var(--text-muted)}
.contact-form{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius-lg);padding:2rem}
.form-group{margin-bottom:1.25rem}
.form-group label{display:block;font-size:.85rem;font-weight:600;margin-bottom:.5rem;color:var(--text)}
.form-group input,.form-group textarea,.form-group select{width:100%;padding:.8rem 1rem;background:var(--navy-2);border:1.5px solid var(--border);border-radius:var(--radius);color:var(--text);font-family:inherit;font-size:.9rem;transition:var(--transition)}
.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.15)}
.form-group textarea{resize:vertical;min-height:130px}
.form-group input::placeholder,.form-group textarea::placeholder{color:var(--text-muted)}
.form-msg{display:none;padding:.875rem 1rem;border-radius:var(--radius);font-size:.88rem;margin-top:1rem}
.form-msg.success{background:rgba(16,185,129,.1);border:1px solid rgba(16,185,129,.3);color:#34d399;display:block}
.form-msg.error{background:rgba(239,68,68,.1);border:1px solid rgba(239,68,68,.3);color:#f87171;display:block}

/* 15. CTA SECTION */
.cta-section{background:linear-gradient(135deg,var(--navy-2),var(--navy));border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.cta-box{text-align:center;padding:4rem 2rem}
.cta-box h2{font-size:clamp(1.5rem,3.5vw,2.25rem);font-weight:800;margin-bottom:.875rem}
.cta-box p{color:var(--text-muted);margin-bottom:2rem;max-width:560px;margin-inline:auto}
.cta-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:.875rem}

/* 16. FOOTER */
.site-footer{background:var(--navy-2);border-top:1px solid var(--border);padding:3rem 0 1.5rem}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:3rem;margin-bottom:3rem}
.footer-brand{font-weight:900;font-size:1.2rem;margin-bottom:.75rem}
.footer-brand span{color:var(--primary-light)}
.footer-tagline{font-size:.85rem;color:var(--text-muted);line-height:1.7;margin-bottom:1.25rem}
.footer-socials{display:flex;gap:.625rem}
.footer-socials a{display:flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:.5rem;border:1px solid var(--border);color:var(--text-muted);transition:var(--transition)}
.footer-socials a:hover{color:var(--primary-light);border-color:var(--primary-light)}
.footer-nav h4{font-size:.85rem;font-weight:700;text-transform:uppercase;color:var(--text-muted);margin-bottom:1rem}
.footer-nav ul{display:flex;flex-direction:column;gap:.5rem}
.footer-nav a{font-size:.88rem;color:var(--text-muted);transition:var(--transition)}
.footer-nav a:hover{color:var(--primary-light)}
.footer-bottom{border-top:1px solid var(--border);padding-top:1.5rem;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.75rem;font-size:.82rem;color:var(--text-muted)}

/* 17. BACK TO TOP */
#scrollTop{position:fixed;bottom:1.5rem;right:1.5rem;z-index:900;width:42px;height:42px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:var(--transition);box-shadow:0 4px 16px rgba(37,99,235,.4)}
#scrollTop.visible{opacity:1;pointer-events:auto}
#scrollTop:hover{background:var(--primary-dark);transform:translateY(-3px)}

/* 18. SCROLL PROGRESS */
#progress{position:fixed;top:0;left:0;width:0%;height:3px;background:linear-gradient(90deg,var(--primary),var(--accent));z-index:2000;transition:width .1s linear}

/* 19. ANIMATIONS */
.fade-in{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.fade-in.visible{opacity:1;transform:translateY(0)}

/* 20. MOBILE */
@media(max-width:768px){
  .menu-btn{display:flex}
  .main-nav{display:none;position:fixed;inset:0;top:64px;background:rgba(15,23,42,.98);flex-direction:column;align-items:center;justify-content:center;gap:1.25rem;backdrop-filter:blur(12px)}
  .main-nav.open{display:flex}
  .main-nav a{font-size:1.15rem;padding:.875rem 2rem}
  .header-actions .btn{display:none}
  .hero-grid,.about-grid,.contact-grid,.footer-grid{grid-template-columns:1fr}
  .hero{padding-top:6rem;min-height:auto;padding-bottom:3rem}
  .hero-card{max-width:360px;margin-inline:auto}
  .about-values,.about-stats{grid-template-columns:1fr 1fr}
  .cta-box{padding:2.5rem 1rem}
  .section{padding-block:3rem}
}

@media(max-width:480px){
  .about-values,.about-stats{grid-template-columns:1fr}
  .hero-actions{flex-direction:column;align-items:flex-start}
  .hero-actions .btn{width:100%;justify-content:center}
}
/* =============================================
   FLOATING CONTACT BUTTONS
   ============================================= */
.floating-contact {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  z-index: 999;
}

.float-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s ease;
}

.float-btn:hover {
  transform: translateY(-5px) scale(1.05);
  box-shadow: 0 6px 16px rgba(0,0,0,0.5);
  color: #fff;
}

.wa-btn {
  background-color: #25D366;
}

.wa-btn:hover {
  background-color: #128C7E;
}

.phone-btn {
  background-color: var(--primary);
}

.phone-btn:hover {
  background-color: var(--primary-glow);
}

@media (max-width: 768px) {
  .floating-contact {
    bottom: 1.5rem;
    right: 1.5rem;
    gap: 0.8rem;
  }
  .float-btn {
    width: 50px;
    height: 50px;
  }
  .float-btn svg {
    width: 24px;
    height: 24px;
  }
}