@import url("https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400;1,600&family=Outfit:wght@400;500;600;700;800&display=swap");:root{--color-brand-dark:#0b192c;--color-brand-primary:#1e3e62;--color-brand-navy:#0f172a;--color-brand-indigo:#2563eb;--color-brand-accent:#ea580c;--color-brand-accent-hover:#c2410c;--color-brand-highlight:#f59e0b;--color-bg-main:#fafbfc;--color-bg-surface:#fff;--color-bg-subtle:#f1f5f9;--color-bg-card:#fff;--color-border-subtle:#e2e8f0;--color-border-hover:#cbd5e1;--color-text-primary:#0f172a;--color-text-secondary:#475569;--color-text-muted:#64748b;--color-text-light:#f8fafc;--shadow-sm:0 1px 2px 0 rgba(15,23,42,.05);--shadow-md:0 4px 6px -1px rgba(15,23,42,.07),0 2px 4px -2px rgba(15,23,42,.05);--shadow-lg:0 10px 15px -3px rgba(15,23,42,.08),0 4px 6px -4px rgba(15,23,42,.04);--shadow-xl:0 20px 25px -5px rgba(15,23,42,.1),0 8px 10px -6px rgba(15,23,42,.05);--shadow-book:0 15px 35px -5px rgba(15,23,42,.25),0 8px 12px -3px rgba(15,23,42,.15);--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:24px;--radius-full:9999px;--font-sans:"Plus Jakarta Sans",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;--font-display:"Outfit",var(--font-sans);--transition-fast:0.15s ease;--transition-normal:0.25s ease;--transition-slow:0.4s cubic-bezier(0.16,1,0.3,1)}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;font-size:16px;-webkit-font-smoothing:antialiased}body{font-family:var(--font-sans);color:var(--color-text-primary);background-color:var(--color-bg-main);line-height:1.6;min-height:100vh;display:flex;flex-direction:column}h1,h2,h3,h4,h5,h6{font-family:var(--font-display);font-weight:700;line-height:1.25;color:var(--color-brand-dark)}a{color:inherit;text-decoration:none;transition:color var(--transition-fast)}img{max-width:100%;height:auto;display:block}.container{width:100%;max-width:1240px;margin:0 auto;padding:0 1.5rem}@media (max-width:640px){.container{padding:0 1rem}}.section{padding:5rem 0}@media (max-width:768px){.section{padding:3.5rem 0}}.section-header{text-align:center;max-width:720px;margin:0 auto 3.5rem}.section-tag{display:inline-flex;align-items:center;gap:.5rem;font-size:.825rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--color-brand-indigo);background-color:rgba(37,99,235,.08);padding:.35rem .9rem;border-radius:var(--radius-full);margin-bottom:1rem}.section-title{font-size:2.5rem;font-weight:800;letter-spacing:-.02em;margin-bottom:1rem;color:var(--color-brand-dark)}@media (max-width:768px){.section-title{font-size:2rem}}.section-desc{font-size:1.125rem;color:var(--color-text-secondary);line-height:1.7}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-family:var(--font-sans);font-size:.975rem;font-weight:600;padding:.75rem 1.6rem;border-radius:var(--radius-md);border:1px solid transparent;cursor:pointer;transition:all var(--transition-fast);white-space:nowrap}.btn-primary{background-color:var(--color-brand-accent);color:#fff;box-shadow:0 4px 14px rgba(234,88,12,.3)}.btn-primary:hover{background-color:var(--color-brand-accent-hover);transform:translateY(-1px);box-shadow:0 6px 20px rgba(234,88,12,.4)}.btn-navy{background-color:var(--color-brand-primary);color:#fff}.btn-navy:hover{background-color:var(--color-brand-dark);transform:translateY(-1px)}.btn-outline{background-color:transparent;border-color:var(--color-border-subtle);color:var(--color-brand-dark)}.btn-outline:hover{background-color:var(--color-bg-subtle);border-color:var(--color-brand-primary);color:var(--color-brand-primary)}.btn-outline-white{background-color:hsla(0,0%,100%,.1);border-color:hsla(0,0%,100%,.25);color:#fff;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.btn-outline-white:hover{background-color:#fff;color:var(--color-brand-dark);border-color:#fff}.btn-sm{font-size:.875rem;padding:.5rem 1rem;border-radius:var(--radius-sm)}.btn-lg{font-size:1.05rem;padding:.9rem 2rem;border-radius:var(--radius-md)}.badge{display:inline-flex;align-items:center;padding:.25rem .65rem;font-size:.75rem;font-weight:600;border-radius:var(--radius-sm);letter-spacing:.02em}.badge-competitive-exams{background-color:#eff6ff;color:#1e40af;border:1px solid #dbeafe}.badge-general-knowledge{background-color:#f0fdfa;color:#0f766e;border:1px solid #ccfbf1}.badge-english{background-color:#fff7ed;color:#c2410c;border:1px solid #ffedd5}.badge-career-development{background-color:#eef2ff;color:#4338ca;border:1px solid #e0e7ff}.badge-skill-development{background-color:#f0fdf4;color:#15803d;border:1px solid #dcfce7}.card{background-color:var(--color-bg-card);border-radius:var(--radius-lg);border:1px solid var(--color-border-subtle);box-shadow:var(--shadow-sm);transition:all var(--transition-normal);overflow:hidden}.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-xl);border-color:var(--color-border-hover)}.form-group{display:flex;flex-direction:column;gap:.4rem;margin-bottom:1.25rem}.form-label{font-size:.875rem;font-weight:600;color:var(--color-brand-dark)}.form-input,.form-select,.form-textarea{width:100%;padding:.75rem 1rem;font-family:var(--font-sans);font-size:.95rem;border:1px solid var(--color-border-subtle);border-radius:var(--radius-md);background-color:#fff;color:var(--color-text-primary);transition:all var(--transition-fast)}.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--color-brand-indigo);box-shadow:0 0 0 3px rgba(37,99,235,.12)}.form-textarea{min-height:140px;resize:vertical}.book-spine-effect{position:relative;box-shadow:var(--shadow-book);border-radius:4px 10px 10px 4px;overflow:hidden;transition:transform var(--transition-slow)}.book-spine-effect:before{content:"";position:absolute;top:0;left:0;width:14px;height:100%;background:linear-gradient(90deg,rgba(0,0,0,.35) 0,hsla(0,0%,100%,.15) 50%,rgba(0,0,0,.25));z-index:5}.book-spine-effect:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border:1px solid hsla(0,0%,100%,.12);border-radius:4px 10px 10px 4px;pointer-events:none;z-index:6}@keyframes floatAnimation{0%{transform:translateY(0) rotate(0deg)}50%{transform:translateY(-8px) rotate(.5deg)}to{transform:translateY(0) rotate(0deg)}}.animate-float{animation:floatAnimation 6s ease-in-out infinite}@keyframes pulseGlow{0%,to{opacity:.4}50%{opacity:.8}}.animate-glow{animation:pulseGlow 4s ease-in-out infinite}.book-detail-card{background-color:#fff;border-radius:var(--radius-xl);border:1px solid var(--color-border-subtle);padding:3rem;box-shadow:var(--shadow-md);margin-bottom:3.5rem;overflow:hidden;box-sizing:border-box}.book-detail-grid{display:grid;grid-template-columns:minmax(280px,340px) 1fr;grid-gap:3.5rem;gap:3.5rem;align-items:flex-start}.book-detail-left{display:flex;flex-direction:column;align-items:center;background-color:var(--color-bg-subtle);border-radius:var(--radius-lg);padding:2.5rem 1.5rem;border:1px solid var(--color-border-subtle);width:100%;box-sizing:border-box}@media (max-width:900px){.book-detail-card{padding:2rem 1.5rem;margin-bottom:2.5rem}.book-detail-grid{grid-template-columns:1fr;gap:2.5rem}}@media (max-width:640px){.book-detail-card{padding:1.25rem 1rem;border-radius:var(--radius-lg)}.book-detail-grid{gap:2rem}.book-detail-left{padding:1.5rem 1rem}}.book-detail-description{font-size:1.15rem;color:var(--color-text-secondary);line-height:1.7}@media (max-width:640px){.book-detail-description{font-size:1rem}}.book-cover-wrapper{position:relative;overflow:hidden;border-radius:4px;box-shadow:0 8px 24px rgba(0,0,0,.18);height:auto;box-sizing:border-box}.book-cover-sm{width:130px;aspect-ratio:130/190}.book-cover-md{width:220px;aspect-ratio:220/320}.book-cover-lg{width:290px;max-width:100%;aspect-ratio:290/420}@media (max-width:640px){.book-cover-lg{width:200px;max-width:85%}}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.whatsapp-enroll-btn{border-radius:14px!important;box-sizing:border-box;max-width:100%}@media (max-width:640px){.whatsapp-enroll-btn{padding:.8rem 1rem!important}}