/* === Base === */
a{color:#4f46e5;text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,h4{line-height:1.3}
h1{font-size:2.4rem;font-weight:800;letter-spacing:-.02em}
h2{font-size:1.6rem;font-weight:700;margin-bottom:12px}
h3{font-size:1.15rem;font-weight:600}
p{margin-bottom:14px}
ul{padding-left:20px;margin-bottom:14px}
.btn{display:inline-block;padding:12px 28px;border-radius:24px;font-weight:600;font-size:.95rem;cursor:pointer;border:none}
.btn-primary{background:linear-gradient(135deg,#4f46e5,#7c3aed);color:#fff}
.btn-primary:hover{opacity:.9;text-decoration:none}
.btn-secondary{background:#f0f0ff;color:#4f46e5;border:1px solid #e0e0f0}
.btn-secondary:hover{background:#e8e8ff;text-decoration:none}

/* === Hero (decorative only - layout is inline) === */
.hero::before{content:'';position:absolute;top:-50%;right:-20%;width:500px;height:500px;background:radial-gradient(circle,rgba(124,58,237,.08) 0%,transparent 70%);border-radius:50%}
.hero::after{content:'';position:absolute;bottom:-30%;left:-15%;width:400px;height:400px;background:radial-gradient(circle,rgba(79,70,229,.06) 0%,transparent 70%);border-radius:50%}

/* === Chat Interface === */
.chat-box{max-width:680px;margin:0 auto;background:#fff;border-radius:16px;box-shadow:0 4px 24px rgba(79,70,229,.1);overflow:hidden;text-align:left}
.chat-messages{height:320px;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:12px}
.chat-msg{padding:12px 16px;border-radius:14px;max-width:85%;font-size:.94rem;line-height:1.6;word-wrap:break-word;white-space:pre-wrap}
.chat-msg.assistant{background:#f0f0ff;color:#1a1a2e;align-self:flex-start;border-bottom-left-radius:4px}
.chat-msg.user{background:linear-gradient(135deg,#4f46e5,#7c3aed);color:#fff;align-self:flex-end;border-bottom-right-radius:4px}
.chat-input-row{display:flex;align-items:center;gap:8px;padding:12px 16px;border-top:1px solid #eee;background:#fafafe}
.chat-input{flex:1;padding:10px 16px;border:1px solid #e0e0e8;border-radius:24px;font-size:.94rem;outline:none}
.chat-input:focus{border-color:#4f46e5}
.chat-send{padding:10px 22px;border-radius:24px;background:linear-gradient(135deg,#4f46e5,#7c3aed);color:#fff;border:none;font-weight:600;cursor:pointer;font-size:.9rem}
.chat-send:hover{opacity:.9}
.chat-send:disabled{opacity:.5;cursor:not-allowed}
.chat-upload-btn{background:none;border:none;cursor:pointer;padding:4px 8px;color:#888;font-size:1.2rem}
.chat-upload-btn:hover{color:#4f46e5}
.chat-image-preview{display:none;padding:8px 16px;border-top:1px solid #eee}
.chat-image-preview img{max-height:80px;border-radius:8px}
.chat-image-preview .remove-img{background:#ff4444;color:#fff;border:none;border-radius:50%;width:20px;height:20px;cursor:pointer;font-size:12px;margin-left:8px;vertical-align:top}

/* === Tool Interface (text tools) === */
.tool-box{max-width:680px;margin:0 auto;background:#fff;border-radius:16px;box-shadow:0 4px 24px rgba(79,70,229,.1);overflow:hidden;text-align:left}
.tool-input-area{padding:20px}
.tool-textarea{width:100%;min-height:140px;padding:14px;border:1px solid #e0e0e8;border-radius:12px;font-size:.94rem;font-family:inherit;resize:vertical;outline:none}
.tool-textarea:focus{border-color:#4f46e5}
.tool-actions{display:flex;justify-content:space-between;align-items:center;padding:0 20px 16px}
.tool-actions .char-count{font-size:.82rem;color:#999}
.tool-result{padding:20px;border-top:1px solid #eee;display:none}
.tool-result.active{display:block}
.tool-result-content{background:#f8f8ff;padding:16px;border-radius:12px;font-size:.94rem;line-height:1.7;white-space:pre-wrap}
.tool-result h4{margin-bottom:8px;color:#4f46e5}

/* === Sections === */
.section{padding:50px 0}
.section-alt{background:#f8f9ff}
.content{max-width:780px;margin:0 auto}
.content h2{margin-top:32px}
.content h2:first-child{margin-top:0}
.content p{color:#333;font-size:1rem;line-height:1.75}
.content a{text-decoration:underline;text-decoration-color:rgba(79,70,229,.4);text-underline-offset:2px}
.content ul{color:#333;font-size:1rem;line-height:1.75}
.content img{margin:24px auto;border-radius:12px}
.section-title{text-align:center;margin-bottom:36px}
.section-title h2{font-size:1.8rem}
.section-title p{color:#666;font-size:1.05rem;max-width:600px;margin:8px auto 0}

/* === Feature Cards === */
.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:40px}
.feature-card{text-align:center;padding:28px 16px;border-radius:16px;background:#fff;border:1px solid #f0f0f5}
.feature-card:hover{box-shadow:0 4px 16px rgba(0,0,0,.06)}
.feature-icon{width:56px;height:56px;margin:0 auto 16px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:1.6rem}
.feature-icon.blue{background:#eef2ff;color:#4f46e5}
.feature-icon.purple{background:#f3e8ff;color:#7c3aed}
.feature-icon.green{background:#ecfdf5;color:#059669}
.feature-icon.orange{background:#fff7ed;color:#ea580c}
.feature-icon.pink{background:#fdf2f8;color:#db2777}
.feature-icon.teal{background:#f0fdfa;color:#0d9488}
.feature-card h3{font-size:1rem;margin-bottom:6px}
.feature-card p{font-size:.88rem;color:#555;margin:0;line-height:1.5}

/* === Tools Grid === */
.tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px;margin-top:20px}
.tool-card{display:flex;align-items:center;gap:14px;padding:16px 20px;border-radius:14px;background:#fff;border:1px solid #eee;text-decoration:none;color:#1a1a2e}
.tool-card:hover{border-color:#4f46e5;box-shadow:0 2px 12px rgba(79,70,229,.08);text-decoration:none}
.tool-card-icon{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.3rem;flex-shrink:0}
.tool-card-icon.blue{background:#eef2ff;color:#4f46e5}
.tool-card-icon.purple{background:#f3e8ff;color:#7c3aed}
.tool-card-icon.green{background:#ecfdf5;color:#059669}
.tool-card-icon.orange{background:#fff7ed;color:#ea580c}
.tool-card-icon.pink{background:#fdf2f8;color:#db2777}
.tool-card-icon.teal{background:#f0fdfa;color:#0d9488}
.tool-card-text h3{font-size:.95rem;margin-bottom:2px}
.tool-card-text p{font-size:.82rem;color:#595959;margin:0}

/* === App Download Section === */
.app-section{text-align:center;padding:40px 0}
.app-section p{max-width:520px;margin:0 auto 20px}
.app-badges{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}

/* === FAQ === */
.faq-list{max-width:780px;margin:0 auto}
.faq-item{border:1px solid #eee;border-radius:12px;margin-bottom:10px;overflow:hidden;background:#fff}
.faq-q{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;cursor:pointer;font-weight:600;user-select:none;gap:12px}
.faq-q h3{font-size:1rem;font-weight:600;margin:0}
.faq-q svg{flex-shrink:0;transition:transform .25s}
.faq-item.open .faq-q svg{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease,padding .3s ease}
.faq-item.open .faq-a{max-height:500px;padding:0 20px 16px}
.faq-a p{font-size:.94rem;color:#444;margin:0;line-height:1.7}

/* === Popup === */
.popup-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);z-index:9999;display:flex;align-items:center;justify-content:center;backdrop-filter:blur(4px)}
.popup-box{background:#fff;border-radius:20px;padding:40px 32px;max-width:420px;width:90%;text-align:center;position:relative;box-shadow:0 20px 60px rgba(0,0,0,.15)}
.popup-close{position:absolute;top:12px;right:16px;background:none;border:none;font-size:1.6rem;color:#999;cursor:pointer}
.popup-icon{margin-bottom:20px}
.popup-box h3{font-size:1.3rem;margin-bottom:12px}
.popup-box p{color:#555;font-size:.95rem;line-height:1.6;margin-bottom:24px}
.popup-btn{display:block;width:100%;text-align:center;padding:14px;margin-bottom:12px}
.popup-link{font-size:.88rem;color:#4f46e5}

/* === Testimonials === */
.testimonials{text-align:center;padding:50px 0}
.testimonials-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:28px}
.testimonial-card{background:#fff;border:1px solid #eee;border-radius:16px;padding:28px 24px;text-align:left}
.testimonial-header{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.testimonial-avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,#4f46e5,#7c3aed);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:1rem}
.testimonial-info h3{font-size:.95rem;font-weight:600;margin:0 0 2px}
.testimonial-info span{font-size:.8rem;color:#595959}
.testimonial-card p{font-size:.9rem;color:#444;line-height:1.6;margin:0}

/* === Best Apps Cards === */
.app-list{display:flex;flex-direction:column;gap:16px;margin-top:20px}
.app-list-item{display:flex;align-items:center;gap:20px;padding:20px 24px;background:#fff;border:1px solid #eee;border-radius:14px}
.app-list-item:hover{box-shadow:0 2px 12px rgba(0,0,0,.06)}
.app-list-rank{font-size:1.4rem;font-weight:800;color:#4f46e5;width:36px;flex-shrink:0;text-align:center}
.app-list-info{flex:1}
.app-list-info h3{margin-bottom:4px}
.app-list-info p{margin:0;font-size:.9rem;color:#555}
.app-list-badge{font-size:.78rem;background:#ecfdf5;color:#059669;padding:4px 10px;border-radius:8px;font-weight:600}

/* === Download Page === */
.download-hero{padding:60px 0;text-align:center;background:linear-gradient(160deg,#f8f9ff,#eef1ff,#f3e8ff)}
.download-hero h1{margin-bottom:16px}
.download-hero .app-meta{display:flex;justify-content:center;gap:24px;margin:20px 0 32px;font-size:.9rem;color:#666}
.download-screenshots{display:flex;justify-content:center;gap:12px;margin-top:28px;flex-wrap:wrap}

/* === Spinner === */
.spinner{display:inline-block;width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite;vertical-align:middle}
@keyframes spin{to{transform:rotate(360deg)}}

/* === Responsive === */
@media(max-width:900px){
.features-grid{grid-template-columns:repeat(2,1fr)}
.testimonials-grid{grid-template-columns:1fr}
}
@media(max-width:768px){
h1{font-size:1.8rem}
h2{font-size:1.3rem}
.hero{padding:40px 0 36px}
.chat-messages{height:240px;padding:14px}
.chat-msg{max-width:90%;font-size:.88rem;padding:10px 12px}
.chat-input-row{padding:10px 12px;gap:6px}
.chat-input{padding:9px 12px;font-size:.88rem}
.chat-send{padding:9px 14px;font-size:.82rem;white-space:nowrap;flex-shrink:0}
.chat-upload-btn{padding:2px 4px;font-size:1.1rem;flex-shrink:0}
.chat-box{border-radius:12px;margin:0 -4px}
.tool-box{border-radius:12px;margin:0 -4px}
.tool-textarea{min-height:100px;font-size:.88rem}
.features-grid{grid-template-columns:1fr 1fr;gap:14px}
.tools-grid{grid-template-columns:1fr}
}
@media(max-width:480px){
.features-grid{grid-template-columns:1fr}
.hero-sub{font-size:1rem}
.chat-messages{height:220px;padding:10px}
.chat-input-row{padding:8px 10px;gap:4px}
.chat-input{padding:8px 10px;font-size:.85rem}
.chat-send{padding:8px 12px;font-size:.8rem}
}

/* === Footer === */
.site-footer{background:#1a1a2e;color:#ccc;padding:50px 0 0}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;padding-bottom:36px;border-bottom:1px solid #2a2a40}
.footer-col h4{color:#fff;font-size:.9rem;margin-bottom:14px;text-transform:uppercase;letter-spacing:.5px}
.footer-col ul{list-style:none;padding:0}
.footer-col li{margin-bottom:8px}
.footer-col a{color:#aaa;font-size:.88rem;text-decoration:none}
.footer-col a:hover{color:#fff}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;padding:28px 0;gap:20px;flex-wrap:wrap}
.footer-brand{max-width:400px}
.footer-brand .logo-link{color:#fff;margin-bottom:10px;display:inline-flex}
.footer-brand p{font-size:.88rem;color:#999;line-height:1.6}
.footer-email a{color:#7c3aed}
.footer-legal{text-align:center;padding:20px 0;border-top:1px solid #2a2a40;font-size:.82rem;color:#999}
.footer-legal a{color:#aaa}
@media(max-width:768px){
.footer-grid{grid-template-columns:repeat(2,1fr);gap:24px}
.footer-bottom{flex-direction:column;text-align:center}
}
@media(max-width:480px){
.footer-grid{grid-template-columns:1fr}
}