/* WORDFLOW — Premium Stylesheet */
:root{--bg-primary:#0a0a0f;--bg-secondary:#12121a;--bg-card:rgba(255,255,255,0.04);--bg-card-hover:rgba(255,255,255,0.08);--bg-glass:rgba(255,255,255,0.06);--border:rgba(255,255,255,0.08);--border-hover:rgba(255,255,255,0.15);--text-primary:#f0f0f5;--text-secondary:#8a8a9a;--text-muted:#55556a;--accent:#7c5cfc;--accent-light:#9b7eff;--accent-glow:rgba(124,92,252,0.35);--gradient-1:linear-gradient(135deg,#7c5cfc,#00c6ff);--gradient-2:linear-gradient(135deg,#7c5cfc,#f857a6);--shadow-card:0 4px 24px rgba(0,0,0,0.25);--shadow-glow:0 0 40px rgba(124,92,252,0.15);--radius:16px;--radius-sm:10px;--radius-xs:6px;--nav-bg:rgba(10,10,15,0.8);--font:'Inter',-apple-system,sans-serif;--font-mono:'JetBrains Mono',monospace}
[data-theme="light"]{--bg-primary:#f4f4f8;--bg-secondary:#ffffff;--bg-card:rgba(0,0,0,0.03);--bg-card-hover:rgba(0,0,0,0.06);--bg-glass:rgba(255,255,255,0.7);--border:rgba(0,0,0,0.08);--border-hover:rgba(0,0,0,0.15);--text-primary:#1a1a2e;--text-secondary:#555570;--text-muted:#999;--accent:#6c47f5;--accent-light:#8b6cf7;--accent-glow:rgba(108,71,245,0.2);--shadow-card:0 4px 24px rgba(0,0,0,0.08);--shadow-glow:0 0 40px rgba(108,71,245,0.08);--nav-bg:rgba(244,244,248,0.85)}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{font-family:var(--font);background:var(--bg-primary);color:var(--text-primary);line-height:1.6;overflow-x:hidden;transition:background .4s,color .4s}
a{text-decoration:none;color:inherit}ul{list-style:none}img{max-width:100%;display:block}
button,input,textarea{font-family:inherit;border:none;outline:none;background:none;color:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.gradient-text{background:var(--gradient-1);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
body::before{content:'';position:fixed;inset:0;z-index:-1;background:radial-gradient(ellipse 80% 60% at 50% -20%,var(--accent-glow),transparent),var(--bg-primary);transition:background .4s}

/* NAVBAR */
.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);background:var(--nav-bg);border-bottom:1px solid var(--border);transition:background .4s,box-shadow .3s}
.navbar.scrolled{box-shadow:0 2px 30px rgba(0,0,0,0.2)}
.nav-container{max-width:1200px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;height:64px}
.nav-logo{display:flex;align-items:center;gap:8px;font-weight:700;font-size:1.25rem}
.logo-icon{font-size:1.1rem;color:var(--accent)}.logo-accent{color:var(--accent)}
.nav-links{display:flex;gap:28px}
.nav-links a{font-size:.9rem;font-weight:500;color:var(--text-secondary);transition:color .25s;position:relative}
.nav-links a:hover{color:var(--text-primary)}
.nav-links a::after{content:'';position:absolute;bottom:-4px;left:0;width:0;height:2px;background:var(--accent);transition:width .25s}
.nav-links a:hover::after{width:100%}
.nav-actions{display:flex;align-items:center;gap:12px}
.theme-toggle{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;background:var(--bg-card);border:1px solid var(--border);transition:background .25s,transform .25s}
.theme-toggle:hover{background:var(--bg-card-hover);transform:scale(1.1)}
.theme-icon-sun{display:none;font-size:1.1rem}.theme-icon-moon{font-size:1.1rem}
[data-theme="light"] .theme-icon-sun{display:block}[data-theme="light"] .theme-icon-moon{display:none}
[data-theme="dark"] .theme-icon-sun{display:none}[data-theme="dark"] .theme-icon-moon{display:block}
.menu-btn{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px;z-index:1001}
.menu-btn span{display:block;width:22px;height:2px;background:var(--text-primary);border-radius:2px;transition:transform .3s,opacity .3s}
.menu-btn.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.menu-btn.active span:nth-child(2){opacity:0}
.menu-btn.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

/* HERO */
.hero{min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:120px 24px 80px;position:relative;overflow:hidden}
.hero-bg-effects{position:absolute;inset:0;pointer-events:none}
.hero-orb{position:absolute;border-radius:50%;filter:blur(100px);opacity:.45;animation:orbFloat 12s ease-in-out infinite}
.hero-orb-1{width:400px;height:400px;background:#7c5cfc;top:-10%;left:20%}
.hero-orb-2{width:350px;height:350px;background:#00c6ff;bottom:10%;right:15%;animation-delay:-4s}
.hero-orb-3{width:300px;height:300px;background:#f857a6;top:40%;left:60%;animation-delay:-8s}
@keyframes orbFloat{0%,100%{transform:translate(0,0) scale(1)}33%{transform:translate(30px,-40px) scale(1.05)}66%{transform:translate(-20px,30px) scale(.95)}}
.hero-content{position:relative;z-index:1;max-width:720px}
.hero-badge{display:inline-block;padding:8px 20px;border-radius:100px;background:var(--bg-glass);border:1px solid var(--border);font-size:.8rem;font-weight:600;color:var(--accent-light);letter-spacing:.5px;margin-bottom:24px;backdrop-filter:blur(8px)}
.hero-title{font-size:clamp(2.2rem,5.5vw,4rem);font-weight:800;line-height:1.15;margin-bottom:20px;letter-spacing:-.02em}
.hero-subtitle{font-size:clamp(1rem,2vw,1.2rem);color:var(--text-secondary);margin-bottom:36px;max-width:560px;margin-left:auto;margin-right:auto}
.hero-cta{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-bottom:48px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:var(--radius-sm);font-size:.95rem;font-weight:600;cursor:pointer;transition:all .3s}
.btn-primary{background:var(--gradient-1);color:#fff;box-shadow:0 4px 20px var(--accent-glow)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 30px var(--accent-glow)}
.btn-ghost{border:1px solid var(--border);color:var(--text-secondary)}.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn-full{width:100%;justify-content:center}
.btn-arrow{transition:transform .25s}.btn:hover .btn-arrow{transform:translateX(4px)}
.hero-stats{display:flex;align-items:center;justify-content:center;gap:24px}
.hero-stat{text-align:center}
.hero-stat-number{display:block;font-size:1.5rem;font-weight:800}
.hero-stat-label{font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px}
.hero-stat-divider{width:1px;height:36px;background:var(--border)}

/* SECTION COMMONS */
.section-header{text-align:center;margin-bottom:48px}
.section-badge{display:inline-block;padding:6px 16px;border-radius:100px;background:var(--bg-glass);border:1px solid var(--border);font-size:.75rem;font-weight:600;color:var(--accent-light);letter-spacing:.5px;margin-bottom:16px}
.section-title{font-size:clamp(1.8rem,4vw,2.6rem);font-weight:800;letter-spacing:-.02em;margin-bottom:12px}
.section-subtitle{color:var(--text-secondary);max-width:520px;margin:0 auto;font-size:1.05rem}

/* TOOL SECTION */
.tool-section{padding:80px 0 60px}
.tool-layout{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-bottom:40px}
.textarea-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;height:100%;min-height:480px;transition:border-color .3s}
.textarea-card:focus-within{border-color:var(--accent)}
.textarea-toolbar{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--border);flex-wrap:wrap;gap:8px}
.toolbar-label{font-size:.8rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px}
.toolbar-actions{display:flex;gap:4px;flex-wrap:wrap}
.tool-btn{padding:6px 10px;border-radius:var(--radius-xs);font-size:.8rem;font-weight:600;cursor:pointer;transition:all .2s;border:1px solid transparent;color:var(--text-secondary)}
.tool-btn:hover{background:var(--accent);color:#fff;border-color:var(--accent)}
.tool-btn-danger:hover{background:#f43f5e;border-color:#f43f5e}
.text-input{flex:1;width:100%;padding:20px;font-size:1rem;line-height:1.7;resize:none;background:transparent;color:var(--text-primary);border:none}
.text-input::placeholder{color:var(--text-muted)}

/* STATS */
.stats-grid{display:grid;gap:12px;margin-bottom:16px}
.primary-stats{grid-template-columns:repeat(3,1fr)}
.secondary-stats{grid-template-columns:repeat(2,1fr)}
.highlight-stats{grid-template-columns:repeat(2,1fr)}
.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px;text-align:center;transition:all .3s;cursor:default}
.stat-card:hover{border-color:var(--accent);background:var(--bg-card-hover);transform:translateY(-2px);box-shadow:var(--shadow-glow)}
.stat-card-accent{border-color:var(--accent);background:linear-gradient(135deg,rgba(124,92,252,0.12),rgba(0,198,255,0.06))}
.stat-value{display:block;font-size:1.6rem;font-weight:800;color:var(--text-primary);font-family:var(--font-mono)}
.stat-value-sm{font-size:1rem}
.stat-label{font-size:.7rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-top:4px;display:block}
.stat-card-wide{display:flex;align-items:center;gap:12px;text-align:left;padding:14px 16px}
.stat-card-wide .stat-icon{font-size:1.3rem}
.stat-card-wide .stat-info{display:flex;flex-direction:column}
.stat-card-wide .stat-value{font-size:1.1rem}
.stat-card-wide .stat-label{margin-top:2px}

/* PANEL SECTIONS */
.panel-section{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;margin-bottom:28px;transition:border-color .3s}
.panel-section:hover{border-color:var(--border-hover)}
.panel-title{font-size:1.15rem;font-weight:700;margin-bottom:20px}

/* READABILITY */
.readability-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:16px}
.readability-card{background:var(--bg-card-hover);border:1px solid var(--border);border-radius:var(--radius-sm);padding:20px;text-align:center;transition:all .3s}
.readability-card:hover{border-color:var(--accent);transform:translateY(-2px)}
.readability-score{font-size:1.8rem;font-weight:800;font-family:var(--font-mono);color:var(--accent-light);margin-bottom:6px}
.readability-name{font-size:.85rem;font-weight:600;margin-bottom:2px}
.readability-desc{font-size:.72rem;color:var(--text-muted);margin-bottom:10px}
.readability-meter{height:5px;background:rgba(255,255,255,0.05);border-radius:4px;overflow:hidden}
.readability-fill{height:100%;background:var(--gradient-1);border-radius:4px;transition:width .5s;width:0}
.readability-summary{padding:16px 20px;background:var(--bg-card-hover);border-radius:var(--radius-sm);font-size:.9rem;color:var(--text-secondary);line-height:1.6;border-left:3px solid var(--accent)}

/* INSIGHTS */
.insights-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.insight-card{background:var(--bg-card-hover);border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px;text-align:center;transition:all .3s}
.insight-card:hover{border-color:var(--accent);transform:translateY(-2px)}
.insight-value{display:block;font-size:1.4rem;font-weight:800;font-family:var(--font-mono);color:var(--text-primary)}
.insight-label{font-size:.7rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-top:4px;display:block}

/* SENTENCE ANALYSIS */
.sentence-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.sentence-highlight-card{background:var(--bg-card-hover);border:1px solid var(--border);border-radius:var(--radius-sm);padding:20px;transition:border-color .3s}
.sentence-highlight-card:hover{border-color:var(--accent)}
.sentence-label{font-size:.8rem;font-weight:600;color:var(--accent-light);display:block;margin-bottom:8px}
.sentence-text{font-size:.9rem;color:var(--text-secondary);line-height:1.6;max-height:60px;overflow:hidden;text-overflow:ellipsis;margin-bottom:6px}
.sentence-meta{font-size:.75rem;color:var(--text-muted);font-family:var(--font-mono)}

/* WORD LENGTH DISTRIBUTION */
.distribution-chart{display:flex;align-items:flex-end;gap:6px;height:140px;padding:10px 0}
.dist-bar-group{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;min-width:0}
.dist-bar{width:100%;max-width:48px;background:var(--gradient-1);border-radius:4px 4px 0 0;transition:height .4s;min-height:2px}
.dist-label{font-size:.65rem;color:var(--text-muted);font-family:var(--font-mono);white-space:nowrap}
.dist-count{font-size:.7rem;color:var(--text-secondary);font-weight:600;font-family:var(--font-mono)}

/* ANALYSIS PANELS */
.analysis-panels{display:grid;gap:28px;margin-bottom:28px}
.analysis-panels.three-col{grid-template-columns:repeat(3,1fr)}
.analysis-panels.two-col{grid-template-columns:repeat(2,1fr)}
.analysis-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;transition:border-color .3s}
.analysis-card:hover{border-color:var(--border-hover)}
.analysis-title{font-size:1.1rem;font-weight:700;margin-bottom:4px}
.analysis-desc{font-size:.85rem;color:var(--text-muted);margin-bottom:16px}
.keyword-list{max-height:280px;overflow-y:auto;scrollbar-width:thin;scrollbar-color:var(--accent) transparent}
.keyword-list::-webkit-scrollbar{width:4px}
.keyword-list::-webkit-scrollbar-thumb{background:var(--accent);border-radius:4px}
.keyword-row{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;border-radius:var(--radius-xs);transition:background .2s;gap:8px}
.keyword-row:hover{background:var(--bg-card-hover)}
.keyword-word{font-weight:600;font-size:.9rem;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.keyword-count{font-family:var(--font-mono);font-size:.8rem;color:var(--text-muted);min-width:30px;text-align:right}
.keyword-bar-wrap{width:80px;height:6px;background:var(--bg-card);border-radius:4px;overflow:hidden;flex-shrink:0}
.keyword-bar{height:100%;background:var(--gradient-1);border-radius:4px;transition:width .4s}
.keyword-pct{font-family:var(--font-mono);font-size:.75rem;color:var(--accent-light);min-width:42px;text-align:right}
.empty-state{color:var(--text-muted);font-size:.9rem;text-align:center;padding:20px 0}

/* FEATURES */
.features-section{padding:80px 0}
.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.feature-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:28px 24px;transition:all .35s;cursor:default}
.feature-card:hover{border-color:var(--accent);transform:translateY(-4px);box-shadow:var(--shadow-glow)}
.feature-icon{font-size:2rem;display:block;margin-bottom:16px}
.feature-card h3{font-size:1.05rem;font-weight:700;margin-bottom:8px}
.feature-card p{font-size:.88rem;color:var(--text-secondary);line-height:1.55}

/* ABOUT */
.about-section{padding:80px 0}
.about-layout{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.about-text{color:var(--text-secondary);margin-bottom:16px;font-size:1.05rem;line-height:1.7}
.about-highlights{display:flex;flex-direction:column;gap:10px;margin-top:24px}
.about-highlight{display:flex;align-items:center;gap:10px;font-weight:500}
.about-highlight-icon{color:var(--accent);font-weight:700;font-size:1.1rem}
.about-glow-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:36px;display:flex;flex-direction:column;gap:28px;position:relative;overflow:hidden}
.about-glow-card::before{content:'';position:absolute;width:200px;height:200px;background:var(--accent);filter:blur(120px);opacity:.15;top:-40px;right:-40px;border-radius:50%}
.glow-stat{text-align:center}
.glow-number{display:block;font-size:2.4rem;font-weight:800;background:var(--gradient-1);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.glow-label{font-size:.85rem;color:var(--text-muted);margin-top:4px}

/* FAQ */
.faq-section{padding:80px 0}
.faq-list{max-width:720px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden;transition:border-color .3s}
.faq-item:hover{border-color:var(--border-hover)}.faq-item.active{border-color:var(--accent)}
.faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;padding:18px 20px;cursor:pointer;font-size:1rem;font-weight:600;text-align:left;transition:color .2s}
.faq-question:hover{color:var(--accent)}
.faq-icon{font-size:1.3rem;transition:transform .3s;color:var(--accent);flex-shrink:0}
.faq-item.active .faq-icon{transform:rotate(45deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .35s,padding .35s;padding:0 20px}
.faq-item.active .faq-answer{max-height:200px;padding:0 20px 18px}
.faq-answer p{font-size:.92rem;color:var(--text-secondary);line-height:1.65}

/* CONTACT */
.contact-section{padding:80px 0}
.contact-layout{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.contact-form{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:32px;display:flex;flex-direction:column;gap:20px}
.form-group{display:flex;flex-direction:column;gap:6px}
.form-group label{font-size:.85rem;font-weight:600;color:var(--text-secondary)}
.form-group input,.form-group textarea{padding:12px 16px;border-radius:var(--radius-xs);background:var(--bg-primary);border:1px solid var(--border);color:var(--text-primary);font-size:.95rem;transition:border-color .25s}
.form-group input:focus,.form-group textarea:focus{border-color:var(--accent)}
.form-group textarea{resize:vertical}
.contact-info{display:flex;flex-direction:column;gap:16px}
.contact-info-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);padding:24px;transition:border-color .3s}
.contact-info-card:hover{border-color:var(--accent)}
.contact-info-icon{font-size:1.5rem;display:block;margin-bottom:10px}
.contact-info-card h4{font-weight:700;margin-bottom:4px}
.contact-info-card p{color:var(--text-secondary);font-size:.92rem}

/* FOOTER */
.footer{padding:60px 0 0;border-top:1px solid var(--border);margin-top:40px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-desc{color:var(--text-muted);font-size:.9rem;margin-top:12px;max-width:320px;line-height:1.6}
.footer-links-group h4{font-weight:700;margin-bottom:14px;font-size:.9rem}
.footer-links-group ul{display:flex;flex-direction:column;gap:8px}
.footer-links-group a{font-size:.88rem;color:var(--text-secondary);transition:color .2s}
.footer-links-group a:hover{color:var(--accent)}
.footer-bottom{border-top:1px solid var(--border);padding:20px 0;text-align:center;font-size:.82rem;color:var(--text-muted)}

/* TOAST */
.toast{position:fixed;bottom:32px;left:50%;transform:translateX(-50%) translateY(100px);background:var(--accent);color:#fff;padding:12px 28px;border-radius:var(--radius-sm);font-size:.9rem;font-weight:600;z-index:9999;pointer-events:none;opacity:0;transition:all .4s cubic-bezier(.19,1,.22,1)}
.toast.show{transform:translateX(-50%) translateY(0);opacity:1}

/* RESPONSIVE */
@media(max-width:1024px){
.tool-layout{grid-template-columns:1fr}.textarea-card{min-height:320px}
.features-grid{grid-template-columns:repeat(2,1fr)}
.about-layout,.contact-layout{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr}
.analysis-panels.three-col{grid-template-columns:1fr}
.analysis-panels.two-col{grid-template-columns:1fr}
.readability-grid{grid-template-columns:repeat(2,1fr)}
.insights-grid{grid-template-columns:repeat(2,1fr)}
.sentence-cards{grid-template-columns:1fr}
}
@media(max-width:768px){
.nav-links{position:fixed;top:0;right:-100%;width:70%;max-width:300px;height:100vh;background:var(--bg-secondary);flex-direction:column;padding:80px 32px 32px;gap:20px;transition:right .35s;box-shadow:-4px 0 30px rgba(0,0,0,.3);z-index:999}
.nav-links.open{right:0}.menu-btn{display:flex}
.primary-stats{grid-template-columns:repeat(2,1fr)}
.secondary-stats{grid-template-columns:1fr}
.features-grid{grid-template-columns:1fr}
.readability-grid{grid-template-columns:1fr}
.insights-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:480px){
.primary-stats,.highlight-stats{grid-template-columns:1fr}
.hero-cta{flex-direction:column;align-items:center}
.hero-stats{flex-direction:column;gap:12px}
.hero-stat-divider{width:36px;height:1px}
.toolbar-actions{gap:2px}.tool-btn{padding:5px 7px;font-size:.72rem}
.insights-grid{grid-template-columns:1fr}
}