:root{--font-heading: "Lexend", -apple-system, BlinkMacSystemFont, sans-serif;--font-body: "Poppins", -apple-system, BlinkMacSystemFont, sans-serif;--text-primary: #1A1F2C;--text-secondary: #64748B;--bg-page: #F8F9FC;--accent-primary: #3b82f6;--accent-secondary: #10b981}.contacto-container{width:100%;min-height:100vh;padding:4rem 0}.content-area{width:100%;max-width:1400px;margin:0 auto;padding:0 2rem}.contacto-header{text-align:center;margin-bottom:4rem;animation:fadeInDown .8s ease-out}.badge{display:inline-block;font-family:var(--font-heading);font-size:.75rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--accent-primary);background:#dbeafe;padding:.5rem 1.25rem;border-radius:99px;margin-bottom:1.5rem;border:2px solid #bfdbfe}.title{font-family:var(--font-heading);font-size:clamp(2.5rem,5vw,3.5rem);font-weight:700;letter-spacing:-.02em;line-height:1.1;margin:0 0 1rem;color:var(--text-primary);background:linear-gradient(135deg,#1a1f2c,#3b82f6);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.subtitle{font-family:var(--font-body);font-size:1.125rem;color:var(--text-secondary);max-width:700px;margin:0 auto;line-height:1.7}.contacto-grid{display:grid;grid-template-columns:1fr;max-width:800px;margin:0 auto;gap:3rem;align-items:start}.form-section{animation:fadeInLeft 1s ease-out}.form-card{background:#fff;border-radius:20px;padding:2.5rem;box-shadow:0 4px 20px #00000014;border:1px solid #e2e8f0}.form-title{font-family:var(--font-heading);font-size:1.75rem;font-weight:700;color:var(--text-primary);margin:0 0 .5rem}.form-subtitle{font-family:var(--font-body);font-size:1rem;color:var(--text-secondary);margin:0 0 2rem}.contact-form{display:flex;flex-direction:column;gap:1.5rem}.form-group{display:flex;flex-direction:column;gap:.5rem}.form-label{font-family:var(--font-body);font-size:.95rem;font-weight:600;color:var(--text-primary);display:flex;align-items:center;gap:.5rem}.form-label svg{color:var(--accent-primary)}.form-input,.form-textarea{width:100%;padding:.875rem 1rem;border:2px solid #e2e8f0;border-radius:10px;font-family:var(--font-body);font-size:1rem;color:var(--text-primary);background:#f8f9fc;transition:all .3s ease}.form-input:focus,.form-textarea:focus{outline:none;border-color:var(--accent-primary);background:#fff;box-shadow:0 0 0 3px #3b82f61a}.form-textarea{resize:vertical;min-height:120px}.btn-submit{display:flex;align-items:center;justify-content:center;gap:.5rem;padding:1rem 2rem;background:linear-gradient(135deg,#3b82f6,#2563eb);color:#fff;font-family:var(--font-body);font-size:1.05rem;font-weight:600;border:none;border-radius:12px;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 4px 14px #3b82f64d;position:relative;overflow:hidden}.btn-submit:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.3),transparent);transition:left .5s ease}.btn-submit:hover:before{left:100%}.btn-submit:hover{transform:translateY(-2px);box-shadow:0 8px 24px #3b82f666}.btn-submit:active{transform:translateY(0)}.form-disclaimer{font-family:var(--font-body);font-size:.85rem;color:var(--text-secondary);text-align:center;margin-top:.5rem;line-height:1.5}.info-section{display:flex;flex-direction:column;gap:2rem;animation:fadeInRight 1s ease-out}.contact-cards{display:flex;flex-direction:column;gap:1.25rem}.contact-card{background:#fff;border-radius:16px;padding:1.5rem;display:flex;gap:1.25rem;align-items:flex-start;box-shadow:0 2px 12px #0000000f;border:1px solid #e2e8f0;transition:all .3s ease}.contact-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px #0000001a}.card-icon{width:56px;height:56px;border-radius:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.email-icon{background:linear-gradient(135deg,#dbeafe,#bfdbfe);color:#3b82f6}.clock-icon{background:linear-gradient(135deg,#fef3c7,#fde68a);color:#f59e0b}.help-icon{background:linear-gradient(135deg,#dcfce7,#bbf7d0);color:#10b981}.card-content{flex:1}.card-title{font-family:var(--font-heading);font-size:1.125rem;font-weight:700;color:var(--text-primary);margin:0 0 .5rem}.card-link{font-family:var(--font-body);font-size:1rem;color:var(--accent-primary);text-decoration:none;font-weight:600;transition:color .2s ease;display:block;margin-bottom:.25rem}.card-link:hover{color:#2563eb;text-decoration:underline}.card-info{font-family:var(--font-body);font-size:1rem;color:var(--text-primary);margin:.25rem 0;font-weight:500}.card-description{font-family:var(--font-body);font-size:.9rem;color:var(--text-secondary);margin:.25rem 0 0}.welcome-message{background:linear-gradient(135deg,#3b82f6,#2563eb);border-radius:20px;padding:2.5rem;color:#fff;text-align:center;box-shadow:0 8px 24px #3b82f64d}.welcome-icon{width:64px;height:64px;margin:0 auto 1.5rem;color:#fff}.welcome-title{font-family:var(--font-heading);font-size:1.75rem;font-weight:700;margin:0 0 1rem}.welcome-text{font-family:var(--font-body);font-size:1.05rem;line-height:1.7;margin:0 0 2rem;opacity:.95}.welcome-features{display:flex;flex-direction:column;gap:.875rem;align-items:center}.feature-item{display:flex;align-items:center;gap:.75rem;font-family:var(--font-body);font-size:.95rem;font-weight:500}.feature-item svg{flex-shrink:0}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-30px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInLeft{0%{opacity:0;transform:translate(-30px)}to{opacity:1;transform:translate(0)}}@keyframes fadeInRight{0%{opacity:0;transform:translate(30px)}to{opacity:1;transform:translate(0)}}@media(max-width:1024px){.contacto-grid{grid-template-columns:1fr;gap:2.5rem}.info-section{order:-1}}@media(max-width:768px){.contacto-container{padding:2rem 0}.content-area{padding:0 1.5rem}.contacto-header{margin-bottom:2.5rem}.title{font-size:clamp(2rem,7vw,2.5rem)}.subtitle{font-size:1rem}.form-card{padding:1.75rem}.form-title{font-size:1.5rem}.welcome-message{padding:1.75rem}.welcome-icon{width:56px;height:56px;margin-bottom:1.25rem}.welcome-title{font-size:1.5rem}.welcome-text{font-size:1rem;margin-bottom:1.5rem}}@media(max-width:480px){.form-card{padding:1.5rem;border-radius:16px}.contact-card{flex-direction:column;text-align:center}.card-icon{margin:0 auto}.btn-submit{font-size:1rem;padding:.875rem 1.75rem}}html[data-theme=dark] .subject-card,html[data-theme=darker] .subject-card,html[data-theme=dark] .exam-card,html[data-theme=darker] .exam-card,html[data-theme=dark] .contact-card,html[data-theme=darker] .contact-card,html[data-theme=dark] .topic-card,html[data-theme=darker] .topic-card{background:#1e2433;border-color:#2d3748}html[data-theme=darker] .subject-card,html[data-theme=darker] .exam-card,html[data-theme=darker] .contact-card,html[data-theme=darker] .topic-card{background:#0a0c10;border-color:#161c2a}html[data-theme=dark] .card-title,html[data-theme=darker] .card-title,html[data-theme=dark] .hero-title,html[data-theme=darker] .hero-title,html[data-theme=dark] .title,html[data-theme=darker] .title,html[data-theme=dark] .topic-title,html[data-theme=darker] .topic-title{color:#e2e8f0}html[data-theme=darker] .card-title,html[data-theme=darker] .hero-title,html[data-theme=darker] .title,html[data-theme=darker] .topic-title{color:#cdd6e8}html[data-theme=dark] .card-description,html[data-theme=darker] .card-description,html[data-theme=dark] .hero-description,html[data-theme=darker] .hero-description,html[data-theme=dark] .subtitle,html[data-theme=darker] .subtitle,html[data-theme=dark] .topic-description,html[data-theme=darker] .topic-description{color:#94a3b8}html[data-theme=darker] .card-description,html[data-theme=darker] .hero-description,html[data-theme=darker] .subtitle,html[data-theme=darker] .topic-description{color:#6b7a9a}html[data-theme=dark] .hero-badge,html[data-theme=darker] .hero-badge,html[data-theme=dark] .badge,html[data-theme=darker] .badge{background:#2d3748;color:#e2e8f0}html[data-theme=dark] .hero-alert,html[data-theme=darker] .hero-alert,html[data-theme=dark] .notice,html[data-theme=darker] .notice{background:#431407;border-color:#7c2d12;color:#ffedd5}html[data-theme=darker] .hero-alert,html[data-theme=darker] .notice{background:#3a0d04;border-color:#5a1e0b;color:#fdba74}html[data-theme=dark] .notice-text,html[data-theme=darker] .notice-text{color:#ffedd5}html[data-theme=darker] .notice-text{color:#fdba74}html[data-theme=dark] .card-link,html[data-theme=darker] .card-link,html[data-theme=dark] .btn-topic,html[data-theme=darker] .btn-topic{color:#e2e8f0;border-top-color:#2d3748}html[data-theme=darker] .card-link,html[data-theme=darker] .btn-topic{color:#cdd6e8;border-top-color:#161c2a}