.birthday-preview{background:var(--background);min-height:100vh;color:var(--foreground)}.birthday-shell{max-width:1200px;margin:auto;padding:24px 32px 80px}.birthday-review-note{color:var(--muted-foreground);letter-spacing:.08em;text-transform:uppercase;border-bottom:1px solid var(--border);padding:8px 0 14px;font-size:11px}.birthday-breadcrumb{color:var(--muted-foreground);margin:18px 0 30px;font-size:13px}.birthday-breadcrumb ol{flex-wrap:wrap;align-items:center;gap:0 10px;margin:0;padding:0;list-style:none;display:flex}.birthday-breadcrumb li{align-items:center;gap:10px;min-width:0;min-height:44px;line-height:1.5;display:inline-flex}.birthday-breadcrumb svg{flex-shrink:0}.birthday-breadcrumb [aria-current=page]{color:var(--foreground)}.birthday-breadcrumb a{text-underline-offset:3px;align-items:center;min-height:44px;text-decoration:underline;display:inline-flex}.birthday-hero{border-bottom:1px solid var(--border);grid-template-columns:minmax(0,1fr) minmax(260px,350px);align-items:center;gap:clamp(24px,6vw,88px);padding-bottom:48px;display:grid}.birthday-eyebrow{color:var(--primary);letter-spacing:.13em;text-transform:uppercase;font-size:11px;font-weight:700;line-height:1.7}.birthday-hero h1{letter-spacing:.01em;text-transform:uppercase;text-wrap:balance;max-width:12ch;margin:15px 0 24px;font-family:Impact,Arial Narrow,sans-serif;font-size:clamp(3rem,5.3vw,4.6rem);font-weight:900;line-height:1.02}.birthday-hero h1 em{color:var(--primary);font-style:normal}.birthday-hero-copy>p:not(.birthday-eyebrow){max-width:55ch;color:var(--muted-foreground);font-size:15px;line-height:1.8}.birthday-hero-copy .birthday-deck{margin-bottom:15px;color:var(--foreground)!important;font-size:19px!important;line-height:1.55!important}.birthday-hero-actions{flex-wrap:wrap;align-items:center;gap:12px 24px;margin:24px 0 16px;display:flex}.birthday-button{background:var(--primary);min-height:48px;color:var(--primary-foreground);justify-content:center;align-items:center;gap:10px;padding:10px 17px;font-size:14px;font-weight:750;text-decoration:none;display:inline-flex}.birthday-button:hover{filter:brightness(1.1)}.birthday-text-link{min-height:44px;color:var(--foreground);text-underline-offset:4px;align-items:center;gap:8px;font-size:14px;text-decoration:underline;display:inline-flex}.birthday-small,.birthday-hero-copy>.birthday-small{color:var(--muted-foreground);font-size:13px!important;line-height:1.75!important}.birthday-demo{background:var(--card);border:1px solid var(--border);width:100%;max-width:350px;margin:0 auto;scroll-margin-top:95px}.birthday-media-label{color:var(--foreground);align-items:center;gap:7px;padding:11px 12px;font-size:10px;display:flex}.birthday-media-label>span:last-child{color:var(--muted-foreground);margin-left:auto}.birthday-dot{background:var(--primary);border-radius:50%;width:6px;height:6px}.birthday-demo video{aspect-ratio:9/16;object-fit:contain;background:var(--background);width:100%;height:auto;max-height:520px;display:block}.birthday-demo figcaption{color:var(--muted-foreground);padding:12px;font-size:13px;line-height:1.7}.birthday-demo [role=alert]{padding:12px;font-size:13px}.birthday-body-layout{grid-template-columns:minmax(0,790px) minmax(160px,1fr);gap:64px;display:grid}.birthday-article-body{min-width:0}.birthday-section{padding-top:52px;scroll-margin-top:95px}.birthday-section h2{letter-spacing:-.025em;text-wrap:balance;max-width:25ch;margin:10px 0 20px;font-size:clamp(1.6rem,3vw,2.1rem);font-weight:750;line-height:1.2}.birthday-section h3{margin:30px 0 12px;font-size:18px;font-weight:700;line-height:1.5}.birthday-section p{color:var(--muted-foreground);margin:12px 0;font-size:16px;line-height:1.9}.birthday-section strong{color:var(--foreground)}.birthday-section a:not(.birthday-button){color:var(--primary);text-underline-offset:4px;text-decoration:underline}.birthday-preview a:focus-visible,.birthday-preview button:focus-visible,.birthday-preview summary:focus-visible{outline:2px solid var(--ring);outline-offset:4px}.birthday-comparison{grid-template-columns:minmax(0,2fr) 24px minmax(0,1fr);align-items:center;gap:14px;margin:26px 0;display:grid}.birthday-comparison figure{min-width:0;margin:0}.birthday-source-pair{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}.birthday-comparison img{aspect-ratio:4/5;object-fit:cover;object-position:center 25%;border:1px solid var(--border);width:100%;height:auto;display:block}.birthday-result-poster img{aspect-ratio:3/4;object-position:center}.birthday-comparison figcaption{color:var(--muted-foreground);margin-top:9px;font-size:11px;line-height:1.5}.birthday-comparison-arrow{color:var(--primary)}.birthday-specs{border-top:1px solid var(--border);border-bottom:1px solid var(--border);grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;padding:20px 0;display:grid}.birthday-specs dt{color:var(--muted-foreground);text-transform:uppercase;letter-spacing:.05em;margin-bottom:6px;font-size:10px}.birthday-specs dd{font-size:12px;font-weight:650;line-height:1.7}.birthday-lyrics{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;display:grid}.birthday-lyrics blockquote{border-left:2px solid var(--primary);margin:6px 0 16px;padding-left:17px}.birthday-lyrics span{color:var(--primary);text-transform:uppercase;letter-spacing:.04em;font-size:10px}.birthday-lyrics p{color:var(--foreground);font-size:18px;line-height:1.65}.birthday-note{border-left:2px solid var(--primary);background:var(--muted);margin:24px 0;padding:16px 20px}.birthday-note>strong{font-size:13px}.birthday-note p{margin:6px 0 0;font-size:13px;line-height:1.8}.birthday-flow{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin:28px 0 36px;padding:0;list-style:none;display:grid}.birthday-flow li{border-top:2px solid var(--primary);padding-top:12px}.birthday-flow span{color:var(--primary);margin-bottom:10px;font-family:Impact,sans-serif;font-size:27px;display:block}.birthday-flow strong{font-size:14px;display:block}.birthday-flow p{margin:5px 0 0;font-size:12px;line-height:1.7}.birthday-writing-example{background:var(--card);border:1px solid var(--border);margin:24px 0;padding:20px 24px}.birthday-writing-example blockquote{margin-top:12px;font-size:17px;line-height:1.8}.birthday-script-cta{border:1px solid var(--primary);margin-top:28px;padding:24px}.birthday-script-cta h3{margin:0}.birthday-script-cta .birthday-button{margin:8px 0}.birthday-formula{border-top:1px solid var(--border);border-bottom:1px solid var(--border);flex-wrap:wrap;align-items:center;gap:12px;padding:18px 0;font-weight:650;display:flex;color:var(--primary)!important;font-size:15px!important}.birthday-idea-list>div{border-bottom:1px solid var(--border);grid-template-columns:minmax(0,1fr) minmax(0,1.65fr);gap:24px;padding:24px 0;display:grid}.birthday-idea-list h3{margin:0;font-size:14px}.birthday-idea-list p{margin:5px 0 0;font-size:12px;line-height:1.7}.birthday-idea-list blockquote{margin:0;font-size:17px;line-height:1.75}.birthday-checklist{padding:0;list-style:none}.birthday-checklist li{border-bottom:1px solid var(--border);grid-template-columns:100px minmax(0,1fr);gap:16px;padding:15px 0;font-size:14px;line-height:1.8;display:grid}.birthday-checklist span{color:var(--muted-foreground)}.birthday-faq details{border-bottom:1px solid var(--border)}.birthday-faq summary{cursor:pointer;padding:20px 6px 20px 0;font-size:15px;font-weight:650;line-height:1.65}.birthday-faq details p{margin:0 0 24px;font-size:14px}.birthday-toc{padding-top:55px}.birthday-toc>div{position:sticky;top:100px}.birthday-toc nav{gap:2px;margin:12px 0 28px;display:grid}.birthday-toc nav a{border-bottom:1px solid var(--border);min-height:44px;color:var(--muted-foreground);align-items:center;padding:8px 0;font-size:12px;line-height:1.6;display:flex}.birthday-toc nav a:hover{color:var(--primary)}.birthday-toc-video{max-width:180px;display:block}.birthday-toc-video img{aspect-ratio:4/3;object-fit:cover;border:1px solid var(--border);width:100%;height:auto}.birthday-toc-video span{color:var(--primary);align-items:center;gap:6px;margin-top:10px;font-size:11px;display:flex}.birthday-mobile-toc{display:none}.birthday-preview-links{border-top:1px solid var(--border);flex-wrap:wrap;gap:8px 16px;margin-top:48px;padding-top:20px;display:flex}.birthday-preview-links a{min-height:48px;color:var(--primary);text-underline-offset:4px;align-items:center;padding:10px 12px;font-size:14px;text-decoration:underline;display:inline-flex}.birthday-preview-links a[aria-current=page]{color:var(--foreground);background:var(--muted)}.birthday-home-guide-links{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;padding:0;list-style:none;display:grid}.birthday-home-guide-links a{border-top:1px solid var(--border);min-height:96px;color:var(--primary);gap:10px;padding:20px 0;font-size:16px;line-height:1.7;display:grid}.birthday-home-guide-links a>span{color:var(--muted-foreground);font-size:14px}.birthday-home-guide-links a:focus-visible{outline:2px solid var(--ring);outline-offset:4px}@media (width<=900px){.birthday-body-layout{grid-template-columns:minmax(0,1fr)}.birthday-toc{display:none}.birthday-mobile-toc{z-index:30;background:var(--background);border-block:1px solid var(--border);margin-top:20px;display:block;position:sticky;top:69px}.birthday-mobile-toc summary{cursor:pointer;min-height:48px;padding:12px 14px;font-size:15px;font-weight:650}.birthday-mobile-toc nav{padding:0 14px 12px;display:grid}.birthday-mobile-toc nav a{border-top:1px solid var(--border);min-height:48px;color:var(--primary);align-items:center;padding:10px 0;font-size:14px;display:flex}.birthday-mobile-toc summary:focus-visible{outline:2px solid var(--ring);outline-offset:-3px}.birthday-section,.birthday-demo{scroll-margin-top:140px}.birthday-hero{grid-template-columns:minmax(0,1fr) minmax(230px,290px);gap:30px}.birthday-hero h1{font-size:3.1rem}}@media (width<=640px){.birthday-home-guide-links{grid-template-columns:minmax(0,1fr);gap:8px}.birthday-shell{padding:16px 20px 52px}.birthday-review-note{letter-spacing:0;font-size:12px}.birthday-breadcrumb{margin:8px 0 16px}.birthday-breadcrumb ol,.birthday-breadcrumb li{column-gap:8px}.birthday-hero{grid-template-columns:minmax(0,1fr);gap:26px;padding-bottom:32px}.birthday-hero h1{max-width:19ch;margin:10px 0 16px;font-size:clamp(2rem,8.8vw,2.35rem)}.birthday-hero-copy .birthday-deck{display:none}.birthday-hero-actions{flex-direction:row;align-items:flex-start;gap:8px 16px;margin:16px 0 12px}.birthday-hero-copy>p:not(.birthday-eyebrow){font-size:16px;line-height:1.75}.birthday-demo{max-width:310px}.birthday-demo video{max-height:455px}.birthday-section{padding-top:38px}.birthday-section h2{font-size:1.65rem}.birthday-comparison{grid-template-columns:minmax(0,1fr);gap:14px}.birthday-comparison-arrow{justify-self:center;transform:rotate(90deg)}.birthday-result-poster{justify-self:center;width:68%}.birthday-result-poster img{aspect-ratio:9/16}.birthday-specs{grid-template-columns:1fr;gap:12px}.birthday-specs>div{grid-template-columns:130px minmax(0,1fr);align-items:baseline;gap:10px;display:grid}.birthday-specs dt{margin:0}.birthday-lyrics{grid-template-columns:minmax(0,1fr);gap:8px}.birthday-flow{grid-template-columns:minmax(0,1fr);gap:16px}.birthday-flow li{grid-template-columns:36px minmax(0,1fr);column-gap:12px;display:grid}.birthday-flow span{grid-row:span 2;margin-bottom:0;font-size:26px}.birthday-flow strong{font-size:16px}.birthday-flow p{grid-column:2;font-size:14px}.birthday-writing-example,.birthday-script-cta{padding:18px}.birthday-formula{flex-direction:column;align-items:flex-start;gap:8px}.birthday-formula svg{margin-left:4px;transform:rotate(90deg)}.birthday-idea-list>div{grid-template-columns:minmax(0,1fr);gap:12px}.birthday-checklist li{grid-template-columns:68px minmax(0,1fr);gap:12px;font-size:14px}}