*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}:root{--color-primary:#2563eb;--color-primary-dark:#1d4ed8;--color-accent:#f59e0b;--color-bg:#ffffff;--color-bg-alt:#f8fafc;--color-text:#1e293b;--color-text-muted:#64748b;--color-border:#e2e8f0;--color-error:#dc2626;--color-success:#16a34a;--font-family:'Inter',system-ui,-apple-system,sans-serif;--container-max:1200px;--navbar-height:72px;--section-padding:5rem 0;--radius:8px;--radius-lg:12px;--shadow:0 4px 6px -1px rgb(0 0 0 / 0.1),0 2px 4px -2px rgb(0 0 0 / 0.1);--shadow-lg:0 10px 15px -3px rgb(0 0 0 / 0.1),0 4px 6px -4px rgb(0 0 0 / 0.1);--transition:0.2s ease}html{scroll-behavior:smooth}body{font-family:var(--font-family);font-size:1rem;line-height:1.6;color:var(--color-text);background:var(--color-bg)}img{display:block;max-width:100%}a{color:inherit;text-decoration:none}ul{list-style:none}button{font-family:inherit;cursor:pointer;border:none;background:none}.container{width:100%;max-width:var(--container-max);margin:0 auto;padding:0 1.5rem}.section{padding:var(--section-padding)}.section--alt{background:var(--color-bg-alt)}.section-header{text-align:center;margin-bottom:3rem}.section-title{font-size:2.25rem;font-weight:700;color:var(--color-text);margin-bottom:0.75rem}.section-subtitle{font-size:1.125rem;color:var(--color-text-muted);max-width:560px;margin:0 auto}.btn{display:inline-flex;align-items:center;justify-content:center;padding:0.625rem 1.25rem;font-size:0.9375rem;font-weight:600;border-radius:var(--radius);transition:background var(--transition),color var(--transition),border-color var(--transition),transform var(--transition)}.btn:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-dark);transform:translateY(-1px)}.btn-outline{background:transparent;color:var(--color-primary);border:2px solid var(--color-primary)}.btn-outline:hover{background:var(--color-primary);color:#fff}.btn-lg{padding:0.875rem 1.75rem;font-size:1rem}.btn-block{width:100%}.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;height:var(--navbar-height);background:rgba(255,255,255,0.95);backdrop-filter:blur(8px);border-bottom:1px solid transparent;transition:height var(--transition),box-shadow var(--transition),border-color var(--transition)}.navbar--scrolled{height:60px;box-shadow:var(--shadow);border-bottom-color:var(--color-border)}.navbar__inner{display:flex;align-items:center;justify-content:space-between;height:100%}.logo{display:flex;align-items:center;gap:0.625rem;font-weight:700;font-size:1.125rem;color:var(--color-text);transition:opacity var(--transition)}.logo:hover{opacity:0.85}.logo__icon{flex-shrink:0}.navbar__nav{display:flex;align-items:center;gap:2rem}.nav-link{font-weight:500;color:var(--color-text-muted);transition:color var(--transition);position:relative}.nav-link:hover,.nav-link.active{color:var(--color-primary)}.nav-link.active::after{content:'';position:absolute;bottom:-4px;left:0;right:0;height:2px;background:var(--color-primary);border-radius:1px}.navbar__toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:32px;height:32px;padding:4px}.navbar__toggle-bar{display:block;width:100%;height:2px;background:var(--color-text);border-radius:2px;transition:transform var(--transition),opacity var(--transition)}.navbar__toggle[aria-expanded="true"] .navbar__toggle-bar:nth-child(1){transform:translateY(7px) rotate(45deg)}.navbar__toggle[aria-expanded="true"] .navbar__toggle-bar:nth-child(2){opacity:0}.navbar__toggle[aria-expanded="true"] .navbar__toggle-bar:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.hero{padding-top:calc(var(--navbar-height) + 4rem);padding-bottom:5rem;background:linear-gradient(135deg,#eff6ff 0%,#f8fafc 50%,#fff 100%);min-height:90vh;display:flex;align-items:center}.hero__inner{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}.hero__eyebrow{font-size:0.875rem;font-weight:600;text-transform:uppercase;letter-spacing:0.05em;color:var(--color-primary);margin-bottom:1rem}.hero__title{font-size:3rem;font-weight:700;line-height:1.15;margin-bottom:1.25rem;color:var(--color-text)}.hero__subtitle{font-size:1.125rem;color:var(--color-text-muted);margin-bottom:2rem;max-width:520px}.hero__actions{display:flex;flex-wrap:wrap;gap:1rem}.hero__visual{display:flex;flex-direction:column;gap:1.5rem;align-items:flex-end}.hero__card{background:#fff;padding:2rem 2.5rem;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);text-align:center;min-width:200px}.hero__card--accent{align-self:flex-start;border:2px solid var(--color-accent)}.hero__stat{display:block;font-size:2.5rem;font-weight:700;color:var(--color-primary);line-height:1}.hero__card--accent .hero__stat{color:var(--color-accent)}.hero__stat-label{font-size:0.875rem;color:var(--color-text-muted);margin-top:0.5rem}.about__grid{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}.about__content p{color:var(--color-text-muted);margin-bottom:1rem}.about__content p strong{color:var(--color-text)}.about__list{margin-top:1.5rem}.about__list li{position:relative;padding-left:1.5rem;margin-bottom:0.75rem;color:var(--color-text-muted)}.about__list li::before{content:'✓';position:absolute;left:0;color:var(--color-primary);font-weight:700}.about__icon-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem}.about__icon-item{background:var(--color-bg-alt);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:1.75rem;text-align:center;transition:transform var(--transition),box-shadow var(--transition)}.about__icon-item:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.about__icon{display:block;font-size:2rem;margin-bottom:0.5rem}.about__icon-item span:last-child{font-weight:600;font-size:0.9375rem;color:var(--color-text)}.courses__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}.course-card{background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:1.75rem;display:flex;flex-direction:column;transition:transform var(--transition),box-shadow var(--transition)}.course-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.course-card__badges{display:flex;gap:0.5rem;margin-bottom:1rem}.badge{font-size:0.75rem;font-weight:600;padding:0.25rem 0.625rem;border-radius:999px;background:#eff6ff;color:var(--color-primary)}.badge--level{background:#fef3c7;color:#b45309}.course-card__title{font-size:1.25rem;font-weight:600;margin-bottom:0.75rem;color:var(--color-text)}.course-card__desc{font-size:0.9375rem;color:var(--color-text-muted);flex:1;margin-bottom:1.25rem}.course-card__link{font-weight:600;color:var(--color-primary);text-align:left;padding:0;transition:color var(--transition)}.course-card__link:hover{color:var(--color-primary-dark)}.contact__wrapper{max-width:560px;margin:0 auto}.contact-form{background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:2rem;box-shadow:var(--shadow)}.form-group{margin-bottom:1.25rem}.form-group label{display:block;font-weight:500;margin-bottom:0.375rem;font-size:0.9375rem}.required{color:var(--color-error)}.form-group input,.form-group select,.form-group textarea{width:100%;padding:0.75rem 1rem;font-family:inherit;font-size:1rem;border:1px solid var(--color-border);border-radius:var(--radius);background:#fff;color:var(--color-text);transition:border-color var(--transition),box-shadow var(--transition)}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px rgb(37 99 235 / 0.15)}.form-group input.error,.form-group textarea.error{border-color:var(--color-error)}.form-error{display:block;font-size:0.8125rem;color:var(--color-error);margin-top:0.25rem;min-height:1.25rem}.form-success{background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:3rem 2rem;text-align:center;box-shadow:var(--shadow)}.form-success__icon{width:64px;height:64px;margin:0 auto 1.25rem;background:#dcfce7;color:var(--color-success);font-size:2rem;font-weight:700;border-radius:50%;display:flex;align-items:center;justify-content:center}.form-success h3{font-size:1.5rem;margin-bottom:0.75rem}.form-success p{color:var(--color-text-muted);margin-bottom:1.5rem}.footer{background:var(--color-text);color:#94a3b8;padding:2.5rem 0}.footer__inner{display:flex;flex-direction:column;align-items:center;gap:1rem;text-align:center}.footer__brand{display:flex;align-items:center;gap:0.5rem;font-weight:600;color:#fff}.footer__links a{color:var(--color-accent);transition:opacity var(--transition)}.footer__links a:hover{opacity:0.85}.footer__copy{font-size:0.875rem}@media (max-width:768px){.hero__inner{grid-template-columns:1fr;text-align:center}.hero__subtitle{margin-left:auto;margin-right:auto}.hero__actions{justify-content:center}.hero__visual{align-items:center;flex-direction:row;justify-content:center}.hero__title{font-size:2.25rem}.about__grid{grid-template-columns:1fr}.courses__grid{grid-template-columns:repeat(2,1fr)}.section-title{font-size:1.875rem}}@media (max-width:480px){:root{--section-padding:3.5rem 0}.navbar__toggle{display:flex}.navbar__nav{position:fixed;top:var(--navbar-height);left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:#fff;border-bottom:1px solid var(--color-border);box-shadow:var(--shadow-lg);padding:1rem 1.5rem;transform:translateY(-100%);opacity:0;visibility:hidden;transition:transform var(--transition),opacity var(--transition),visibility var(--transition)}.navbar__nav.open{transform:translateY(0);opacity:1;visibility:visible}.navbar__nav .nav-link,.navbar__nav .btn{padding:0.875rem 0;text-align:center}.navbar__nav .btn{margin-top:0.5rem}.nav-link.active::after{display:none}.hero{min-height:auto;padding-top:calc(var(--navbar-height) + 2rem);padding-bottom:3rem}.hero__title{font-size:1.875rem}.hero__visual{flex-direction:column}.hero__card{width:100%;min-width:unset}.hero__card--accent{align-self:center}.courses__grid{grid-template-columns:1fr}.about__icon-grid{grid-template-columns:1fr 1fr}}.view-all-wrapper{text-align:center;margin-top:2.5rem}.view-all-btn{display:inline-block;padding:0.75rem 1.75rem;border:2px solid #2563eb;color:#2563eb;border-radius:8px;font-weight:600;text-decoration:none;transition:background 0.2s ease,color 0.2s ease}.view-all-btn:hover{background:#2563eb;color:#ffffff}.article-image{width:100%;max-width:650px;height:320px;object-fit:cover;border-radius:12px;display:block;margin:20px auto 30px}.error-icon{font-size:90px;margin-bottom:20px}.error-code{font-size:90px;color:#2563eb;margin-bottom:10px}.error-title{font-size:40px;margin-bottom:20px}@media (max-width:480px){.error-icon{font-size:50px}.error-code{font-size:48px}.error-title{font-size:24px}}.faq-list{display:flex;flex-direction:column;gap:1rem}.faq-item{background:#fff;border:1px solid #e2e8f0;border-radius:12px;padding:0;overflow:hidden}.faq-question{list-style:none;cursor:pointer;padding:1.25rem 1.5rem;font-size:1.05rem;font-weight:600;color:#1e293b;display:flex;justify-content:space-between;align-items:center;transition:background 0.2s ease}.faq-question::-webkit-details-marker{display:none}.faq-question:hover{background:#f8fafc}.faq-icon{font-size:1.5rem;color:#2563eb;font-weight:400;transition:transform 0.2s ease;flex-shrink:0;margin-left:1rem}.faq-item[open] .faq-icon{transform:rotate(45deg)}.faq-answer{padding:0 1.5rem 1.5rem;color:#64748b;line-height:1.7;margin:0}