:root{--color-primary: #1722C4;--color-accent: #1722C4;--color-accent-dark: #0B0E4F;--color-primary-dark: #1d5192;--color-primary-light: #3d7fd4;--color-primary-alpha: rgba(38, 105, 190, .15);--color-primary-alpha-strong: rgba(38, 105, 190, .25);--color-text: #1a1a2e;--color-text-muted: #5c5c7a;--color-bg: #f0f4f9;--color-bg-dark: #0f1419;--color-white: #ffffff;--glass-bg: rgba(255, 255, 255, .75);--glass-border: rgba(255, 255, 255, .9);--glass-shadow: 0 8px 32px rgba(0, 0, 0, .08);--shadow-card: 0 4px 20px rgba(0, 0, 0, .06), 0 1px 3px rgba(0, 0, 0, .04);--shadow-card-hover: 0 12px 40px rgba(38, 105, 190, .15), 0 4px 12px rgba(0, 0, 0, .06);--shadow-button: 0 4px 14px rgba(38, 105, 190, .35);--shadow-button-hover: 0 6px 20px rgba(38, 105, 190, .45);--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--space-3xl: 4rem;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 20px;--radius-full: 9999px;--transition-fast: .2s ease;--transition-smooth: .3s cubic-bezier(.4, 0, .2, 1)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth}body{font-family:Montserrat,-apple-system,BlinkMacSystemFont,sans-serif;color:var(--color-text);background:var(--color-bg);line-height:1.5;min-height:100vh;-webkit-font-smoothing:antialiased}img{max-width:100%;height:auto;display:block}a{color:var(--color-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-primary-dark)}.page-wrapper{min-height:100vh;display:flex;flex-direction:column}.page-wrapper--checkout{background:linear-gradient(160deg,var(--color-bg) 0%,#e8eef5 100%)}.hero{position:relative;padding:var(--space-3xl) var(--space-lg) var(--space-2xl);text-align:center;overflow:hidden;min-height:42vh;background:#152a47}.hero__video-wrap{position:absolute;top:0;right:0;bottom:0;left:0;z-index:0;background:#152a47}.hero__video{width:100%;height:100%;object-fit:cover;display:block}.hero__bg{position:absolute;top:0;right:0;bottom:0;left:0;background:#152a47e0;z-index:1;pointer-events:none}.hero__content{position:relative;z-index:2;max-width:640px;margin:0 auto}.hero__brand{margin-bottom:var(--space-lg)}.hero__logo{margin:0 auto;max-height:56px;width:auto;height:auto}.hero__logo--light{filter:brightness(0) invert(1);opacity:.95}.hero__title{font-size:clamp(1.5rem,4vw,2rem);font-weight:700;color:var(--color-white);margin-bottom:var(--space-md);letter-spacing:-.02em;text-shadow:0 1px 2px rgba(0,0,0,.2)}.hero__subtitle{font-size:1rem;color:#ffffffe0;font-weight:500;text-shadow:0 1px 1px rgba(0,0,0,.15)}.payments{flex:1;padding:var(--space-2xl) var(--space-lg) var(--space-3xl);max-width:1100px;margin:0 auto;width:100%}.payments__tagline{font-size:1.35rem;font-weight:700;color:var(--color-primary);text-align:center;margin-bottom:var(--space-md);font-style:italic}.payments__heading{font-size:1.25rem;font-weight:600;color:var(--color-text);text-align:center;margin-bottom:var(--space-xl)}.payments__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:var(--space-xl);align-items:stretch}.payment-card{background:var(--glass-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:var(--radius-lg);padding:var(--space-xl);box-shadow:var(--shadow-card);transition:transform var(--transition-smooth),box-shadow var(--transition-smooth),border-color var(--transition-smooth);display:flex;flex-direction:column}.payment-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card-hover);border-color:var(--color-primary-alpha-strong)}.payment-card__icon{width:56px;height:56px;border-radius:var(--radius-md);background:var(--color-primary-alpha);color:var(--color-primary);display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:var(--space-lg);transition:background var(--transition-fast),color var(--transition-fast)}.payment-card:hover .payment-card__icon{background:var(--color-primary);color:var(--color-white)}.payment-card__title{font-size:1.125rem;font-weight:700;color:var(--color-text);margin-bottom:var(--space-sm)}.payment-card__desc{font-size:.9rem;color:var(--color-text-muted);margin-bottom:var(--space-lg);flex:1}.payment-card__cta{display:inline-flex;align-items:center;justify-content:center;padding:var(--space-md) var(--space-lg);background:var(--color-primary);color:var(--color-white)!important;font-weight:600;font-size:.95rem;border-radius:var(--radius-md);border:none;cursor:pointer;box-shadow:var(--shadow-button);transition:background var(--transition-fast),box-shadow var(--transition-fast),transform var(--transition-fast);margin-top:auto}.payment-card__cta:hover{background:var(--color-primary-dark);box-shadow:var(--shadow-button-hover);transform:scale(1.02)}.footer{padding:var(--space-xl) var(--space-lg);background:var(--color-bg-dark);color:#fffc}.footer__content{max-width:1100px;margin:0 auto;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:var(--space-md)}.footer__copy{font-size:.875rem}.footer__social{display:flex;gap:var(--space-md)}.footer__link{width:40px;height:40px;border-radius:var(--radius-full);background:#ffffff1a;color:#ffffffe6;display:flex;align-items:center;justify-content:center;transition:background var(--transition-fast),color var(--transition-fast)}.footer__link:hover{background:var(--color-primary);color:var(--color-white)}.footer--compact .footer__content{justify-content:center;text-align:center}.checkout-header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-md) var(--space-lg);background:var(--glass-bg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--glass-border)}.checkout-header__back{font-weight:500;color:var(--color-primary)}.checkout-header__back:hover{color:var(--color-primary-dark)}.checkout-header__logo{max-height:36px;width:auto}.checkout-main{flex:1;padding:var(--space-xl) var(--space-lg);max-width:480px;margin:0 auto;width:100%}.checkout-intro{text-align:center;margin-bottom:var(--space-xl)}.checkout-intro__title{font-size:1.5rem;font-weight:700;color:var(--color-text);margin-bottom:var(--space-sm)}.checkout-intro__text{color:var(--color-text-muted);font-size:.95rem}.checkout-form{background:var(--glass-bg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:var(--radius-lg);padding:var(--space-xl);box-shadow:var(--shadow-card);margin-bottom:var(--space-xl)}.form-group{margin-bottom:var(--space-lg)}.form-group__label{display:block;font-size:.875rem;font-weight:600;color:var(--color-text);margin-bottom:var(--space-xs)}.form-group__input{width:100%;padding:var(--space-md) var(--space-lg);font-family:inherit;font-size:1rem;border:1px solid rgba(0,0,0,.1);border-radius:var(--radius-md);background:var(--color-white);transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.form-group__input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-alpha)}.form-group__input::placeholder{color:var(--color-text-muted);opacity:.7}.form-group__input.error{border-color:#c53030}.form-group__error{display:block;font-size:.8rem;color:#c53030;margin-top:var(--space-xs);min-height:1.2em}.checkout-form__submit{width:100%;padding:var(--space-lg);background:var(--color-primary);color:var(--color-white);font-family:inherit;font-weight:600;font-size:1rem;border:none;border-radius:var(--radius-md);cursor:pointer;box-shadow:var(--shadow-button);transition:background var(--transition-fast),box-shadow var(--transition-fast);margin-top:var(--space-md)}.checkout-form__submit:hover:not(:disabled){background:var(--color-primary-dark);box-shadow:var(--shadow-button-hover)}.checkout-form__submit:disabled{opacity:.7;cursor:not-allowed}.submit-loading,.checkout-form__submit.is-loading .submit-text{display:none}.checkout-form__submit.is-loading .submit-loading{display:inline}.success-message{text-align:center;padding:var(--space-xl)}.success-message__box{background:var(--glass-bg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:var(--radius-lg);padding:var(--space-2xl);box-shadow:var(--shadow-card)}.success-message__icon{font-size:3rem;color:#2f855a;margin-bottom:var(--space-lg)}.success-message__title{font-size:1.25rem;font-weight:700;color:var(--color-text);margin-bottom:var(--space-md)}.success-message__text{color:var(--color-text-muted);font-size:.95rem;line-height:1.6}.result-main{flex:1;padding:var(--space-2xl) var(--space-lg);max-width:480px;margin:0 auto;width:100%;display:flex;align-items:center;justify-content:center}.result-box{text-align:center;background:var(--glass-bg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:var(--radius-lg);padding:var(--space-2xl);box-shadow:var(--shadow-card);width:100%}.result-box__icon{font-size:3.5rem;margin-bottom:var(--space-lg)}.result-box__icon--success{color:#2f855a}.result-box__icon--failure{color:#c53030}.result-box__code{font-size:4rem;font-weight:700;color:var(--color-text-muted);line-height:1;margin-bottom:var(--space-sm)}.result-box__icon--404{color:var(--color-text-muted);font-size:2.5rem;margin-bottom:var(--space-md)}.result-box__title{font-size:1.5rem;font-weight:700;color:var(--color-text);margin-bottom:var(--space-md)}.result-box__text{color:var(--color-text-muted);font-size:.95rem;line-height:1.6;margin-bottom:var(--space-xl)}.result-box__cta{display:inline-block;padding:var(--space-md) var(--space-xl);background:var(--color-primary);color:var(--color-white)!important;font-weight:600;font-size:.95rem;border-radius:var(--radius-md);box-shadow:var(--shadow-button);transition:background var(--transition-fast),box-shadow var(--transition-fast)}.result-box__cta:hover{background:var(--color-primary-dark);box-shadow:var(--shadow-button-hover)}@media (max-width: 640px){.hero{padding:var(--space-2xl) var(--space-md)}.payments__grid{grid-template-columns:1fr}.footer__content{flex-direction:column;text-align:center}}.course-summary{max-width:720px;margin:0 auto var(--space-2xl);padding:var(--space-xl);text-align:center;background:var(--glass-bg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-card)}.course-summary__title{font-size:1.25rem;font-weight:700;color:var(--color-text);margin-bottom:var(--space-sm);display:block}.course-summary__desc{color:var(--color-text-muted);font-size:.95rem;margin-bottom:var(--space-md)}.course-summary__price{display:inline-flex;align-items:baseline;gap:var(--space-md);font-size:2rem;font-weight:700;color:var(--color-primary);letter-spacing:-.02em}.course-summary__price-base{font-size:1.1rem;font-weight:500;color:var(--color-text-muted);text-decoration:line-through}.course-summary__price-final{color:var(--color-primary)}.course-summary--inline{max-width:100%;display:flex;justify-content:space-between;align-items:center;gap:var(--space-md);padding:var(--space-md) var(--space-lg);margin-bottom:var(--space-lg);text-align:left}.course-summary--inline .course-summary__title{font-size:1rem;margin-bottom:0}.course-summary--inline .course-summary__price{font-size:1.25rem}.course-status{text-align:center;padding:var(--space-2xl) var(--space-lg);color:var(--color-text-muted)}.course-status__icon{font-size:2.25rem;color:var(--color-primary);margin-bottom:var(--space-md);display:block}.course-status--error{color:var(--color-text)}.course-status--error .course-status__icon{color:#c53030}.course-status--error h2{font-size:1.25rem;font-weight:700;margin-bottom:var(--space-sm)}.course-status--error p{margin-bottom:var(--space-lg)}