:root{--color-primary: #4f46e5;--color-primary-hover: #4338ca;--color-primary-light: #eef2ff;--color-bg: #ffffff;--color-bg-alt: #f9fafb;--color-bg-waitlist: #eef2ff;--color-text: #111827;--color-text-secondary: #6b7280;--color-text-muted: #9ca3af;--color-border: #e5e7eb;--color-shadow: rgba(0, 0, 0, .08);--font-family: "Inter", system-ui, -apple-system, sans-serif;--max-width: 1200px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-family);color:var(--color-text);background:var(--color-bg);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}img{max-width:100%;display:block}.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 24px}@media(min-width:640px){.container{padding:0 32px}}.header{position:fixed;top:0;left:0;right:0;z-index:100;background:#ffffffd9;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--color-border)}.header__inner{display:flex;align-items:center;height:64px}.header__logo{font-size:1.25rem;font-weight:800;color:var(--color-primary);letter-spacing:-.02em}.section__title{font-size:1.875rem;font-weight:700;letter-spacing:-.02em;text-align:center;margin-bottom:12px}.section__subtitle{font-size:1.125rem;color:var(--color-text-secondary);text-align:center;max-width:600px;margin:0 auto 48px}@media(min-width:768px){.section__title{font-size:2.25rem}}.hero{padding:120px 0 80px;background:linear-gradient(180deg,var(--color-bg) 0%,var(--color-bg-alt) 100%);overflow:hidden}.hero__inner{display:flex;flex-direction:column;align-items:center;gap:48px}.hero__content{text-align:center;max-width:640px}.hero__title{font-size:2.25rem;font-weight:800;letter-spacing:-.03em;line-height:1.15;margin-bottom:20px}.hero__subtitle{font-size:1.125rem;color:var(--color-text-secondary);line-height:1.65;margin-bottom:32px}.hero__actions{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}@media(min-width:768px){.hero{padding:160px 0 100px}.hero__title{font-size:3.25rem}.hero__subtitle{font-size:1.25rem}}@media(min-width:1024px){.hero__inner{flex-direction:row;text-align:left}.hero__content{text-align:left;flex:1}.hero__actions{justify-content:flex-start}}.phone-mockup{width:240px;height:480px;border:4px solid #1f2937;border-radius:36px;padding:8px;background:#1f2937;box-shadow:0 24px 64px var(--color-shadow),0 8px 24px #0000000f}.phone-mockup__screen{width:100%;height:100%;border-radius:28px;overflow:hidden;background:linear-gradient(135deg,#667eea,#764ba2)}.phone-mockup__placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;gap:12px}.phone-mockup__icon{font-size:3rem}.phone-mockup__text{font-size:1rem;font-weight:600;color:#ffffffe6;letter-spacing:.02em}@media(min-width:640px){.phone-mockup{width:260px;height:520px}}.how-it-works{padding:80px 0;background:var(--color-bg)}.steps{display:flex;flex-direction:column;align-items:center;gap:24px}.step{text-align:center;max-width:320px}.step__circle{width:56px;height:56px;border-radius:50%;background:var(--color-primary);color:#fff;font-size:1.375rem;font-weight:700;display:flex;align-items:center;justify-content:center;margin:0 auto 16px}.step__title{font-size:1.125rem;font-weight:600;margin-bottom:8px}.step__desc{font-size:.9375rem;color:var(--color-text-secondary);line-height:1.6}.step__arrow{font-size:1.5rem;color:var(--color-text-muted);transform:rotate(90deg)}@media(min-width:768px){.steps{flex-direction:row;justify-content:center;gap:0}.step{flex:1;max-width:280px;padding:0 16px}.step__arrow{transform:rotate(0)}}.features{padding:80px 0;background:var(--color-bg-alt)}.features__grid{display:grid;grid-template-columns:1fr;gap:20px}@media(min-width:640px){.features__grid{grid-template-columns:repeat(2,1fr)}}@media(min-width:1024px){.features__grid{grid-template-columns:repeat(3,1fr)}}.feature-card{background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:28px 24px;transition:transform .2s ease,box-shadow .2s ease;cursor:default}.feature-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px var(--color-shadow)}.feature-card__icon{font-size:2rem;display:block;margin-bottom:14px}.feature-card__title{font-size:1.0625rem;font-weight:600;margin-bottom:8px}.feature-card__desc{font-size:.9375rem;color:var(--color-text-secondary);line-height:1.6}.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 28px;font-family:var(--font-family);font-size:1rem;font-weight:600;border-radius:var(--radius-sm);border:2px solid transparent;cursor:pointer;text-decoration:none;transition:transform .15s ease,box-shadow .15s ease,background .2s ease,border-color .2s ease}.btn:hover{transform:scale(1.03)}.btn:active{transform:scale(.98)}.btn--primary{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.btn--primary:hover{background:var(--color-primary-hover);border-color:var(--color-primary-hover);box-shadow:0 4px 16px #4f46e559}.btn--ghost{background:transparent;color:var(--color-text-secondary);border-color:var(--color-border)}.btn--ghost:disabled{opacity:.5;cursor:not-allowed;transform:none}.waitlist{padding:80px 0;background:var(--color-bg-waitlist)}.waitlist__form{max-width:480px;margin:0 auto}.waitlist__input-group{display:flex;flex-direction:column;gap:12px}.waitlist__input{flex:1;padding:12px 16px;font-family:var(--font-family);font-size:1rem;border:2px solid var(--color-border);border-radius:var(--radius-sm);outline:none;transition:border-color .2s ease,box-shadow .2s ease;background:var(--color-bg)}.waitlist__input:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px #4f46e526}.waitlist__btn{white-space:nowrap}.waitlist__message{margin-top:16px;font-size:.9375rem;text-align:center;min-height:1.5em}.waitlist__message--success{color:#059669}.waitlist__message--error{color:#dc2626}@media(min-width:640px){.waitlist__input-group{flex-direction:row}.waitlist__input{border-radius:var(--radius-sm) 0 0 var(--radius-sm)}.waitlist__btn{border-radius:0 var(--radius-sm) var(--radius-sm) 0}}.footer{padding:32px 0;border-top:1px solid var(--color-border);background:var(--color-bg)}.footer__text{text-align:center;font-size:.875rem;color:var(--color-text-muted)}