:root{--bg-primary:#0a0a0f;--bg-secondary:#12121a;--bg-card:#ffffff08;--bg-card-hover:#ffffff0f;--bg-input:#ffffff0d;--bg-input-focus:#ffffff14;--text-primary:#f0f0f5;--text-secondary:#f0f0f599;--text-muted:#f0f0f559;--accent-1:#6c5ce7;--accent-2:#a855f7;--accent-3:#ec4899;--accent-gradient:linear-gradient(135deg, var(--accent-1), var(--accent-2), var(--accent-3));--accent-glow:#a855f74d;--success:#22c55e;--error:#ef4444;--warning:#f59e0b;--border-subtle:#ffffff0f;--border-input:#ffffff1a;--border-input-focus:#a855f780;--font-display:"Outfit", sans-serif;--font-body:"Inter", sans-serif;--space-xs:.25rem;--space-sm:.5rem;--space-md:1rem;--space-lg:1.5rem;--space-xl:2rem;--space-2xl:3rem;--space-3xl:4rem;--space-4xl:6rem;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:24px;--radius-full:9999px;--shadow-sm:0 2px 8px #0000004d;--shadow-md:0 4px 16px #0006;--shadow-lg:0 8px 32px #00000080;--shadow-glow:0 0 40px var(--accent-glow);--transition-fast:.15s cubic-bezier(.4, 0, .2, 1);--transition-base:.25s cubic-bezier(.4, 0, .2, 1);--transition-slow:.4s cubic-bezier(.4, 0, .2, 1)}*,: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);background:var(--bg-primary);color:var(--text-primary);min-height:100vh;line-height:1.6;overflow-x:hidden}.ambient-bg{pointer-events:none;z-index:0;position:fixed;inset:0;overflow:hidden}.ambient-orb{filter:blur(100px);opacity:.4;border-radius:50%;animation:20s ease-in-out infinite orbit;position:absolute}.ambient-orb-1{background:var(--accent-1);width:500px;height:500px;animation-delay:0s;top:-15%;right:-10%}.ambient-orb-2{background:var(--accent-2);width:400px;height:400px;animation-delay:-7s;bottom:-10%;left:-5%}.ambient-orb-3{background:var(--accent-3);width:300px;height:300px;animation-delay:-14s;top:40%;left:50%}@keyframes orbit{0%,to{transform:translate(0)scale(1)}25%{transform:translate(30px,-20px)scale(1.05)}50%{transform:translate(-20px,30px)scale(.95)}75%{transform:translate(20px,20px)scale(1.02)}}.navbar{z-index:100;padding:var(--space-md) var(--space-xl);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:1px solid var(--border-subtle);background:#0a0a0fb3;justify-content:space-between;align-items:center;display:flex;position:fixed;top:0;left:0;right:0}.nav-brand{align-items:center;gap:var(--space-sm);min-height:2.25rem;font-family:var(--font-display);color:var(--text-primary);font-size:1.35rem;font-weight:700;text-decoration:none;display:flex}.brand-icon{object-fit:contain;filter:drop-shadow(0 8px 20px #00000059);width:clamp(1.35rem,2.6vw,1.6rem);height:clamp(1.35rem,2.6vw,1.6rem);display:block}.brand-dot{background:var(--accent-gradient);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.hero{z-index:1;min-height:100vh;padding:var(--space-4xl) var(--space-xl) var(--space-2xl);justify-content:center;align-items:center;display:flex;position:relative}.hero-content{text-align:center;max-width:720px;position:relative}.platform-contact-link{margin-top:var(--space-sm);color:var(--text-muted);letter-spacing:.01em;opacity:.8;transition:color var(--transition-base), opacity var(--transition-base);font-size:.88rem;text-decoration:none;display:inline-block}.platform-contact-link:hover{color:var(--text-secondary);opacity:1}.badge{align-items:center;gap:var(--space-sm);padding:var(--space-xs) var(--space-md);background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-full);color:var(--text-secondary);margin-bottom:var(--space-xl);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);font-size:.8rem;font-weight:500;display:inline-flex}.badge-pulse{background:var(--success);border-radius:50%;width:8px;height:8px;animation:2s ease-in-out infinite pulse}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.3)}}.hero-title{font-family:var(--font-display);letter-spacing:-.03em;margin-bottom:var(--space-lg);color:var(--text-primary);font-size:clamp(2.2rem,6vw,4rem);font-weight:800;line-height:1.15}.gradient-text{background:var(--accent-gradient);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.hero-subtitle{color:var(--text-secondary);margin-bottom:var(--space-2xl);max-width:560px;margin-left:auto;margin-right:auto;font-size:clamp(1rem,2.5vw,1.15rem);line-height:1.7}.hide-mobile{display:none}@media (width>=768px){.hide-mobile{display:inline}}.url-form{width:100%;max-width:600px;margin:0 auto var(--space-2xl)}.platform-picker{justify-content:center;gap:var(--space-xs);margin-bottom:var(--space-sm);flex-wrap:wrap;display:flex}.platform-option{border:1px solid var(--border-subtle);background:var(--bg-card);font-family:var(--font-body);cursor:pointer;transition:all var(--transition-base);font-size:.8rem;font-weight:600}.platform-option:hover{background:var(--bg-card-hover);border-color:var(--border-input);color:var(--text-primary)}.platform-option.is-selected{color:var(--text-primary);background:#ffffff14;border-color:#ffffff29;box-shadow:0 0 0 4px #a855f714}.platform-option:active{transform:scale(.98)}.seo-section{z-index:1;padding:0 var(--space-xl) var(--space-3xl);position:relative}.seo-section-tight{padding-top:var(--space-lg)}.section-shell{max-width:1120px;margin:0 auto}.section-heading{max-width:760px;margin:0 auto var(--space-2xl);text-align:center}.section-heading.narrow{max-width:680px}.section-kicker{margin-bottom:var(--space-sm);border:1px solid var(--border-subtle);border-radius:var(--radius-full);color:var(--text-secondary);letter-spacing:.08em;text-transform:uppercase;background:#ffffff08;padding:.45rem .8rem;font-size:.78rem;display:inline-block}.section-title{font-family:var(--font-display);letter-spacing:-.03em;margin-bottom:var(--space-md);font-size:clamp(1.8rem,4vw,3rem);line-height:1.12}.section-copy,.footer-copy{color:var(--text-secondary);font-size:1rem;line-height:1.8}.feature-grid,.intent-grid,.faq-list{gap:var(--space-lg);display:grid}.feature-grid,.intent-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.feature-card,.intent-card,.faq-card,.signal-card{border:1px solid 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(width<=960px){.feature-grid,.intent-grid,.faq-list,.footer-shell,.split-layout,.footer-links{grid-template-columns:1fr}}.platform-helper{margin-bottom:var(--space-md);color:var(--text-muted);font-size:.84rem;line-height:1.45}.input-group{gap:var(--space-md);flex-direction:column;display:flex}.input-wrapper{align-items:center;display:flex;position:relative}.input-icon{left:var(--space-md);color:var(--text-muted);pointer-events:none;transition:color var(--transition-base);align-items:center;display:flex;position:absolute}.url-input{width:100%;padding:var(--space-md) var(--space-md) var(--space-md) 3rem;background:var(--bg-input);border:1px solid var(--border-input);border-radius:var(--radius-lg);color:var(--text-primary);font-family:var(--font-body);transition:all 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var(--transition-base);background:linear-gradient(135deg,#ffffff26,#0000);position:absolute;inset:0}.submit-btn:hover:before{opacity:1}.submit-btn:hover{box-shadow:var(--shadow-glow);transform:translateY(-2px)}.submit-btn:active{transform:translateY(0)}.submit-btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.submit-btn:disabled:hover{box-shadow:none}.submit-btn:disabled:before{opacity:0}.btn-icon{transition:transform var(--transition-base);align-items:center;display:flex}.submit-btn:hover .btn-icon{transform:translate(4px)}@media (width>=640px){.input-group{flex-direction:row;gap:0}.input-wrapper{flex:1}.url-input{border-radius:var(--radius-lg) 0 0 var(--radius-lg);border-right:none}.submit-btn{border-radius:0 var(--radius-lg) var(--radius-lg) 0;white-space:nowrap}}@media (width<=639px){.platform-picker{flex-wrap:nowrap;justify-content:center;gap:.35rem;width:100%}.platform-option{flex:1 1 0;justify-content:center;gap:.3rem;min-width:0;padding:.55rem .5rem;font-size:.76rem}.platform-option svg{width:15px;height:15px}}.form-error{color:var(--error);margin-top:var(--space-sm);min-height:0;transition:all var(--transition-base);font-size:.85rem}.form-error:not(:empty){min-height:1.2em}.rate-limit-notice{align-items:center;gap:var(--space-sm);margin-top:var(--space-sm);padding:var(--space-sm) var(--space-md);border-radius:var(--radius-sm);color:var(--warning);background:#f59e0b1a;border:1px solid #f59e0b33;font-size:.85rem;display:flex}.platform-chip{align-items:center;gap:var(--space-xs);padding:var(--space-xs) var(--space-md);background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-full);color:var(--text-secondary);transition:all var(--transition-base);font-size:.8rem;display:flex}.platform-chip:hover{background:var(--bg-card-hover);border-color:var(--border-input)}.floating-elements{display:none}@media (width>=1024px){.floating-elements{pointer-events:none;display:block;position:absolute;inset:0}.float-card{align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-md);-webkit-backdrop-filter:blur(15px);backdrop-filter:blur(15px);color:var(--text-secondary);white-space:nowrap;font-size:.8rem;animation:6s ease-in-out infinite float;display:flex;position:absolute}.float-card-icon{font-size:1.2rem}.float-card-1{animation-delay:0s;top:5%;right:-180px}.float-card-2{animation-delay:-2s;bottom:30%;left:-170px}.float-card-3{animation-delay:-4s;bottom:10%;right:-160px}@keyframes 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.5s}.loading-stages{gap:var(--space-md);text-align:left;margin-bottom:var(--space-2xl);flex-direction:column;display:flex}.stage{align-items:center;gap:var(--space-md);color:var(--text-muted);transition:all var(--transition-base);font-size:.9rem;display:flex}.stage.active{color:var(--text-primary)}.stage.completed{color:var(--success)}.stage-dot{background:var(--border-subtle);width:10px;height:10px;transition:all var(--transition-base);border-radius:50%;flex-shrink:0}.stage.active .stage-dot{background:var(--accent-2);box-shadow:0 0 10px var(--accent-glow);animation:1.5s ease-in-out infinite pulse}.stage.completed .stage-dot{background:var(--success)}.loading-tips{padding:var(--space-md);background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-md)}.tip{align-items:flex-start;gap:var(--space-sm);color:var(--text-secondary);font-size:.85rem;line-height:1.5;display:flex}.tip-icon{flex-shrink:0;font-size:1.1rem}.animate-fade-in{opacity:0;animation:.6s forwards fadeIn}.animate-fade-in-up{opacity:0;animation:.7s forwards fadeInUp}.delay-1{animation-delay:.15s}.delay-2{animation-delay:.3s}.delay-3{animation-delay:.45s}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@media (width<=480px){.navbar{padding:var(--space-sm) var(--space-md)}.brand-icon{width:1.2rem;height:1.2rem}.hero{padding:var(--space-3xl) var(--space-md) var(--space-xl)}.hero-title{font-size:2rem}.hero-subtitle{font-size:.95rem}.url-input{padding-left:2.5rem;font-size:.9rem}.submit-btn{padding:var(--space-md) var(--space-lg);font-size:.9rem}.loading-animation,.loader-ring{width:90px;height:90px}.loader-percentage{font-size:1.1rem}}@media (width>=768px){.hero{padding:var(--space-4xl) var(--space-2xl) var(--space-3xl)}}