:root{--color-teal: #5A8A8B;--color-teal-light: #8CC3C1;--color-teal-lighter: #B9E1DC;--color-teal-bg: rgb(163, 217, 209);--color-teal-soft: rgb(185, 225, 220);--color-dark: #1F2937;--color-dark-footer: #F9FAFB;--color-gray: #4B5563;--color-gray-light: #F3F4F6;--color-white: #ffffff;--color-olive: #F8FAF9;--color-accent: #5A8A8B;--font-heading: "Nunito", sans-serif;--font-body: "Montserrat", sans-serif;--space-xs: 8px;--space-sm: 16px;--space-md: 24px;--space-lg: 40px;--space-xl: 64px;--space-2xl: 96px;--radius-sm: 10px;--radius-md: 16px;--radius-lg: 20px;--radius-pill: 50px;--max-width: 1224px;--transition-fast: .2s ease;--transition-normal: .3s ease;--transition-slow: .5s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-body);font-size:16px;line-height:1.6;color:var(--color-dark);background-color:var(--color-white);overflow-x:hidden}img{max-width:100%;height:auto;display:block}a{text-decoration:none;color:inherit;transition:color var(--transition-fast)}ul,ol{list-style:none}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);font-weight:700;line-height:1.2;color:var(--color-dark)}h1{font-size:clamp(2.5rem,5vw,4.5rem);line-height:1.07}h2{font-size:clamp(2rem,4vw,3rem)}h3{font-size:clamp(1.5rem,3vw,2.25rem)}h4{font-size:clamp(1.25rem,2vw,1.5rem)}h5{font-size:1.125rem}h6{font-size:1rem}p{font-size:1rem;line-height:1.6;color:var(--color-gray)}.body-small{font-size:.875rem}.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 var(--space-sm)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 32px;font-family:var(--font-body);font-size:1rem;font-weight:500;border:none;cursor:pointer;transition:all var(--transition-normal);text-decoration:none}.btn-primary{background-color:var(--color-teal);color:var(--color-white);border-radius:var(--radius-pill)}.btn-primary:hover{background-color:#4a7a7b;transform:translateY(-2px);box-shadow:0 8px 24px #5a8a8b4d}.btn-outline{background-color:transparent;color:var(--color-white);border:1px solid var(--color-white);border-radius:var(--radius-pill)}.btn-outline:hover{background-color:#ffffff1a;transform:translateY(-2px)}.btn-outline-dark{background-color:transparent;color:var(--color-dark);border:1px solid var(--color-dark);border-radius:var(--radius-pill)}.btn-outline-dark:hover{background-color:#0000000d;transform:translateY(-2px)}.card{position:relative;overflow:hidden;border-radius:var(--radius-lg);background:#ffffff1a;backdrop-filter:blur(8px);transition:all var(--transition-normal);cursor:pointer}.card:hover{transform:translateY(-4px);box-shadow:0 12px 40px #00000026}.card-content{padding:var(--space-md)}.card-content h6{color:var(--color-white);margin-bottom:var(--space-xs)}.card-content p{color:var(--color-white);opacity:.85;font-size:.9rem}.section{padding:var(--space-xl) 0}.section-bg-teal{background-color:var(--color-teal-soft)}.section-bg-olive{background-color:var(--color-olive)}.section-bg-dark{background-color:var(--color-dark-footer)}.section-bg-white{background-color:var(--color-white)}.text-center{text-align:center}.text-white{color:var(--color-white)}.text-white p{color:#ffffffd9}.grid{display:grid;gap:var(--space-md)}.grid-2,.grid-3{grid-template-columns:1fr}@media(min-width:768px){.grid-2{grid-template-columns:1fr 1fr}.grid-3{grid-template-columns:1fr 1fr 1fr}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.animate-fade-up{animation:fadeInUp .6s ease forwards}.animate-scale{animation:scaleIn .5s ease forwards}[data-animate]{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease}[data-animate].visible{opacity:1;transform:translateY(0)}.img-rounded{border-radius:var(--radius-lg);overflow:hidden}.img-cover{width:100%;height:100%;object-fit:cover}.form-group{margin-bottom:var(--space-sm)}.form-label{display:block;margin-bottom:6px;font-size:.875rem;font-weight:500;color:var(--color-dark)}.form-label--light{color:var(--color-white)}.form-input,.form-textarea{width:100%;padding:12px 16px;font-family:var(--font-body);font-size:1rem;border:1px solid rgb(184,192,204);border-radius:var(--radius-sm);background:var(--color-white);color:var(--color-dark);transition:border-color var(--transition-fast)}.form-input:focus,.form-textarea:focus{outline:none;border-color:var(--color-teal);box-shadow:0 0 0 3px #5a8a8b26}.form-textarea{min-height:120px;resize:vertical}.whatsapp-bubble{position:fixed;z-index:999;right:20px;bottom:24px;width:56px;height:56px;background:#25d366;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px #00000026;transition:transform var(--transition-normal);cursor:pointer}.whatsapp-bubble:hover{transform:scale(1.1)}.whatsapp-bubble svg{width:28px;height:28px;fill:#fff}@media(max-width:768px){.section{padding:var(--space-lg) 0}.container{padding:0 var(--space-sm)}.hide-mobile{display:none!important}}@media(min-width:769px){.hide-desktop{display:none!important}}.premium-lock{text-align:center;padding:3rem 2rem;background:linear-gradient(180deg,#fdfcf7,#f9f5ea);border:2px dashed #D4A017;border-radius:var(--radius-lg);margin:2rem 0;box-shadow:0 4px 20px #0000000d}.lock-icon{font-size:3rem;margin-bottom:1rem}.premium-lock h4{color:#d4a017;font-size:1.5rem;margin-bottom:.5rem}.premium-lock p{color:var(--color-gray);margin-bottom:1.5rem}.premium-btn{background:linear-gradient(135deg,#ff3b30,#ff2d55);color:#fff!important;padding:.8rem 2rem;border-radius:30px;text-decoration:none;font-weight:700;display:inline-block;border:none;transition:transform .2s ease}.premium-btn:hover{transform:translateY(-2px);box-shadow:0 5px 15px #ff3b304d}.lesson-header-row{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}.premium-tag{background:#ff3b30;color:#fff;padding:4px 10px;border-radius:6px;font-size:.75rem;font-weight:700;text-transform:uppercase;white-space:nowrap}.lesson-card.locked{background:#f9fafb!important;opacity:.9;cursor:pointer}.lesson-card.locked:before{background:#d1d5db!important}.lesson-card.locked .lesson-card__icon span{color:#6b7280!important;background:#6b72801a!important}