:root{--primary: #0EA5E9;--primary-hover: #0284C7;--primary-light: #E0F2FE;--bg-dark: #0F172A;--bg-surface: #F8FAFC;--bg-white: #FFFFFF;--text-primary: #0F172A;--text-secondary: #475569;--text-muted: #94A3B8;--text-on-dark: #F1F5F9;--border: #E2E8F0;--border-strong: #CBD5E1;--success: #16A34A;--warning: #CA8A04;--error: #DC2626;--info: #2563EB;--font-display: "DM Sans", -apple-system, BlinkMacSystemFont, sans-serif;--font-body: "DM Sans", -apple-system, BlinkMacSystemFont, sans-serif;--text-xs: .75rem;--text-sm: .875rem;--text-base: 1rem;--text-lg: 1.125rem;--text-xl: 1.25rem;--text-2xl: 1.5rem;--text-3xl: 1.875rem;--text-4xl: 2.25rem;--text-5xl: 3rem;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-6: 24px;--space-8: 32px;--space-10: 40px;--space-12: 48px;--space-16: 64px;--space-20: 80px;--space-24: 96px;--container: min(1200px, 100vw - 48px);--radius-sm: 8px;--radius-md: 16px;--radius-lg: 24px;--radius-full: 9999px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 24px rgba(14, 165, 233, .12);--shadow-lg: 0 8px 32px rgba(14, 165, 233, .16);--ease-enter: cubic-bezier(0, 0, .2, 1);--ease-exit: cubic-bezier(.4, 0, 1, 1);--ease-move: cubic-bezier(.4, 0, .2, 1);--duration-fast: .1s;--duration-normal: .2s;--duration-slow: .3s;--duration-slower: .5s;--font: var(--font-body);--radius: var(--radius-md);--shadow: var(--shadow-md);--white: #ffffff;--gray-50: #f9fafb;--gray-100: #f3f4f6;--gray-200: #e5e7eb;--gray-400: #9ca3af;--gray-500: #6b7280;--gray-600: #4b5563;--gray-700: #374151;--gray-900: #111827;--sky-50: #f0f9ff;--sky-100: #e0f2fe;--sky-200: #bae6fd;--sky-300: #7dd3fc;--sky-400: #38bdf8;--sky-500: #0ea5e9;--sky-600: #0284c7;--sky-700: #0369a1;--sky-800: #075985;--sky-900: #0c4a6e}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:var(--font);font-size:16px;line-height:1.6;color:var(--gray-900);background:var(--white)}.container{width:100%;max-width:var(--container);margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px}a{color:var(--primary);text-decoration:none}a:hover{color:var(--primary-hover)}.header{position:fixed;top:0;left:0;right:0;z-index:100;background:#ffffffe6;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--gray-100)}.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}.logo{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:1.25rem;color:#007cda;text-decoration:none}.logo:hover{color:#007cda}.logo-icon{display:block;width:32px;height:32px;border-radius:8px;object-fit:contain}.nav{display:flex;align-items:center;gap:32px}.nav a{color:var(--gray-700);font-weight:500}.nav a:hover{color:var(--primary)}.nav .btn-primary,.nav .btn-primary:hover{color:var(--bg-white)}.lang-switcher{position:relative}.lang-trigger{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;font-size:.875rem;font-weight:500;color:var(--gray-700);background:var(--gray-50);border:1px solid var(--gray-200);border-radius:var(--radius);cursor:pointer;font-family:var(--font)}.lang-trigger:hover{color:var(--primary);border-color:var(--primary-light);background:var(--primary-light)}.lang-flag{flex-shrink:0;font-size:1.125em;line-height:1}.lang-chevron{flex-shrink:0;transition:transform .2s}.lang-switcher.is-open .lang-chevron{transform:rotate(180deg)}.lang-dropdown{position:absolute;top:calc(100% + 6px);right:0;min-width:160px;margin:0;padding:6px 0;list-style:none;background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius);box-shadow:var(--shadow);z-index:200}.lang-dropdown[hidden]{display:none}.lang-dropdown li{margin:0}.lang-dropdown li[role=option]{display:flex;align-items:center;gap:10px;padding:8px 14px;font-size:.875rem;color:var(--gray-700);cursor:pointer}.lang-option-flag{flex-shrink:0;font-size:1.25em;line-height:1}.lang-dropdown li[role=option]:hover{background:var(--primary-light);color:var(--primary)}.menu-toggle{display:none;flex-direction:column;gap:6px;background:none;border:none;cursor:pointer;padding:8px}.menu-toggle span{width:24px;height:2px;background:var(--gray-700)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 20px;font-weight:600;border-radius:9999px;border:none;cursor:pointer;font-family:var(--font);font-size:.9375rem}.btn-primary{background:var(--primary);color:var(--bg-white)}.btn-primary:hover{background:var(--primary-hover)}.btn-sm{padding:8px 16px;font-size:.875rem}.hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;padding-top:80px;padding-bottom:80px;overflow:hidden}.hero-bg{position:absolute;top:0;right:0;bottom:0;left:0;background:var(--bg-dark);z-index:-1}.hero-bg:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(ellipse 80% 50% at 50% 0%,rgba(14,165,233,.15) 0%,transparent 60%)}.hero-inner{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;text-align:center}.hero-brand{margin-bottom:24px;text-align:center}.hero-logo-pag-wrap{display:inline-block;margin:0 auto;width:120px;height:120px}.hero-logo-pag{display:block;max-width:100%;max-height:100%;margin:0 auto;vertical-align:middle}.hero-logo-fallback{display:block;width:120px;height:120px;margin:0 auto;border-radius:var(--radius-md);object-fit:contain}.hero-logo-pag-wrap[data-pag-loaded=true] .hero-logo-fallback{display:none}.hero-soundwave{display:flex;justify-content:center;align-items:center;gap:8px;margin:12px auto 14px;height:80px}.sw-bar{display:block;width:7px;border-radius:4px;background:var(--primary);animation:sw-bounce 1.2s ease-in-out infinite;transform-origin:center bottom}.sw-bar:nth-child(1){height:26px;animation-delay:0s;animation-duration:1.1s}.sw-bar:nth-child(2){height:46px;animation-delay:.15s;animation-duration:.95s}.sw-bar:nth-child(3){height:66px;animation-delay:.05s;animation-duration:1.3s}.sw-bar:nth-child(4){height:80px;animation-delay:.25s;animation-duration:1s}.sw-bar:nth-child(5){height:66px;animation-delay:.1s;animation-duration:1.25s}.sw-bar:nth-child(6){height:46px;animation-delay:.2s;animation-duration:.9s}.sw-bar:nth-child(7){height:26px;animation-delay:.35s;animation-duration:1.15s}@keyframes sw-bounce{0%,to{transform:scaleY(.25);opacity:.5}50%{transform:scaleY(1);opacity:1}}.hero-greeting-rotator{position:relative;height:2.5em;margin:0;font-size:var(--text-2xl);font-weight:600;color:var(--text-on-dark);letter-spacing:.02em}.hero-greeting-item{position:absolute;top:0;left:0;right:0;text-align:center;white-space:nowrap;opacity:0;transition:opacity .4s ease}.hero-greeting-item.is-visible{opacity:1;z-index:1}.hero-title{font-size:clamp(2.5rem,6vw,4rem);font-weight:700;line-height:1.15;color:var(--text-on-dark);margin:0 0 var(--space-6);letter-spacing:-.02em;text-align:center}.hero-sub{font-size:var(--text-xl);font-weight:400;line-height:1.55;color:var(--text-muted);margin:0 auto var(--space-10);text-align:center;max-width:28em;letter-spacing:.01em}.hero-badges{display:flex;flex-wrap:wrap;justify-content:center;gap:16px;margin-bottom:24px}.store-badge{display:inline-block;height:48px}.store-btn-apple,.store-btn-google{display:inline-flex;align-items:center;justify-content:center;gap:12px;height:auto;padding:10px 18px 10px 14px;background:#000;color:#fff;border:1px solid #d1d5db;border-radius:8px;font-family:var(--font);text-decoration:none;transition:opacity .2s,border-color .2s}.store-btn-apple:hover,.store-btn-google:hover{opacity:.9;border-color:#9ca3af}.store-btn-icon{display:flex;align-items:center;justify-content:center;flex-shrink:0}.store-btn-icon svg{display:block;width:28px;height:28px}.store-btn-icon-google img{width:28px;height:28px;display:block;object-fit:contain}.store-btn-text{display:flex;flex-direction:column;align-items:flex-start;line-height:1.2}.store-btn-line1{font-size:.625rem;font-weight:400;color:#fff;letter-spacing:.02em}.store-btn-line2{font-size:1rem;font-weight:700;color:#fff}.store-btn img{height:48px;width:auto;display:block}.section{padding:80px 0}.section-title{font-size:clamp(2rem,4vw,3rem);font-weight:700;line-height:1.2;color:var(--text-primary);margin:0 0 var(--space-4);letter-spacing:-.02em}.section-title.light{color:var(--text-on-dark)}.section-sub{font-size:var(--text-lg);color:var(--text-secondary);margin:0 0 var(--space-12);max-width:560px}.section-sub.light{color:var(--text-muted)}.features{background:var(--bg-surface)}.features-split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}.features-list{display:flex;flex-direction:column;gap:0}.feature-item{padding:20px 24px;border-radius:var(--radius);cursor:default;transition:background .2s,box-shadow .2s;border:1px solid transparent}.feature-item:hover,.feature-item.is-active{background:var(--white);box-shadow:var(--shadow);border-color:var(--gray-100)}.feature-item .feature-num{display:inline-block;font-size:var(--text-sm);font-weight:600;color:var(--primary);margin-bottom:var(--space-2)}.feature-item h3{font-size:var(--text-xl);font-weight:700;color:var(--text-primary);margin:0 0 var(--space-2)}.feature-item p{font-size:var(--text-base);color:var(--text-secondary);margin:0;line-height:1.6}.features-visual{position:sticky;top:96px;display:flex;justify-content:center;align-items:flex-start}.feature-showcase{width:320px;aspect-ratio:9 / 16;max-height:min(569px,65vh);border-radius:var(--radius-lg);overflow:hidden;background:var(--gray-100);box-shadow:var(--shadow)}@media(min-width:900px){.feature-showcase{width:540px;max-height:min(960px,70vh)}}.feature-showcase img{width:100%;height:100%;object-fit:contain;display:block;transition:opacity .2s 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p{font-size:var(--text-base);color:var(--text-secondary);margin:0;line-height:1.6}.hiw-connector{display:block;flex-shrink:0;width:48px;height:2px;background:var(--border);margin-top:24px}@media(max-width:768px){.hiw-steps{flex-direction:column;align-items:center;gap:var(--space-8)}.hiw-connector{width:2px;height:32px;margin-top:0}}.explore-lessons{background:var(--bg-dark);color:var(--text-on-dark);padding:56px 0 64px;overflow:hidden}.explore-title{text-align:center;font-size:clamp(1.5rem,4vw,2rem);font-weight:700;margin:0 0 32px;color:var(--white)}.explore-rows{display:flex;flex-direction:column;gap:20px}.explore-row{overflow:hidden;mask-image:linear-gradient(to right,transparent,black 8%,black 92%,transparent);-webkit-mask-image:linear-gradient(to right,transparent,black 8%,black 92%,transparent)}.explore-track{display:flex;gap:16px;width:max-content;animation:explore-scroll 45s linear infinite}.explore-track-reverse{animation:explore-scroll-reverse 50s linear infinite}@keyframes 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h3{font-size:1.25rem;font-weight:700;margin:0 0 8px;color:var(--gray-900)}.pricing-card .price{font-size:var(--text-2xl);font-weight:700;color:var(--primary);margin:0 0 var(--space-6)}.pricing-card ul{list-style:none;padding:0;margin:0 0 24px}.pricing-card li{padding:8px 0 8px 24px;position:relative;font-size:.9375rem;color:var(--gray-700)}.pricing-card li:before{content:"✓";position:absolute;left:0;color:var(--primary);font-weight:700}.pricing-card:not(.highlight) li:before{content:"·";color:var(--gray-400)}.pricing-card .btn{width:100%;padding:14px 24px}.cta{background:var(--bg-dark);text-align:center}.cta .section-sub{margin-left:auto;margin-right:auto;text-align:center}.cta .hero-badges{justify-content:center}.cta .store-badge.light{background:var(--bg-white);color:var(--primary);padding:14px 28px;border-radius:var(--radius-sm);font-weight:600;height:auto}.cta .store-badge.light:hover{background:var(--primary-light)}.footer{background:var(--white);color:var(--gray-600);padding:48px 0 32px;border-top:1px solid var(--gray-200)}.footer-nav{display:flex;gap:24px;margin-bottom:16px}.footer-nav a{color:var(--gray-600)}.footer-nav a:hover{color:var(--primary)}.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px}.footer-legal{flex:0 0 auto}.copyright{font-size:.875rem;margin:0 0 8px}.legal{font-size:.8125rem;margin:0}.legal a{color:var(--gray-600);margin-right:16px}.legal a:hover{color:var(--primary)}.footer-social{display:flex;align-items:center;gap:20px;margin-right:90px}.footer-social-link{display:flex;align-items:center;justify-content:center;color:var(--gray-600);transition:color .2s}.footer-social-link:hover{color:var(--primary)}.footer-social-icon{display:block;width:22px;height:22px}.skip-link{position:absolute;top:-100%;left:16px;z-index:1000;padding:8px 16px;background:var(--primary);color:var(--bg-white);border-radius:var(--radius-sm);font-weight:600;font-size:var(--text-sm)}.skip-link:focus{top:8px;color:var(--bg-white)}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.sw-bar{animation:none;opacity:.7}.hero-greeting-item{transition:none}.explore-track,.explore-track-reverse{animation:none}.feature-showcase img{transition:none}}.feature-item,.store-btn-apple,.store-btn-google{min-height:44px}.footer-social-link{min-width:44px;min-height:44px}.lang-dropdown li[role=option]{min-height:44px}@media(max-width:768px){.nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--white);flex-direction:column;padding:24px;gap:16px;border-bottom:1px solid var(--gray-100)}.nav.is-open,.menu-toggle{display:flex}.section{padding:56px 0}}.bravon-toast{position:fixed;bottom:32px;left:50%;transform:translate(-50%) translateY(20px);background:var(--bg-dark, #0F172A);color:#fff;padding:16px 24px;border-radius:12px;font-family:var(--font, "DM Sans", sans-serif);font-size:.938rem;line-height:1.5;text-align:center;box-shadow:0 8px 32px #0000002e;z-index:9999;opacity:0;pointer-events:none;transition:opacity .3s ease,transform .3s ease;max-width:min(420px,calc(100vw - 32px))}.bravon-toast.is-visible{opacity:1;pointer-events:auto;transform:translate(-50%) translateY(0)}.bravon-toast a{color:var(--primary, #0EA5E9);text-decoration:underline;font-weight:600}