/* === Base (SaaS card-based design) === */
a{color:#4338ca;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:2.5rem;font-weight:700;letter-spacing:-.025em}
h2{font-size:1.75rem;font-weight:600;margin-bottom:16px}
h3{font-size:1.125rem;font-weight:600}
p{margin-bottom:16px}
ul{padding-left:24px;margin-bottom:16px}
.btn{display:inline-block;padding:12px 28px;border-radius:12px;font-weight:600;font-size:.9375rem;cursor:pointer;border:none}
.btn-primary{background:linear-gradient(135deg,#6366f1,#8b5cf6);color:#fff;box-shadow:0 2px 8px rgba(99,102,241,.25)}
.btn-primary:hover{opacity:.92;text-decoration:none;box-shadow:0 4px 12px rgba(99,102,241,.3)}
.btn-secondary{background:#f5f3ff;color:#6366f1;border:1px solid #e5e7eb}
.btn-secondary:hover{background:#ede9fe;text-decoration:none}

/* === Hero (decorative only - layout is inline) === */
.hero::before{content:'';position:absolute;top:-40%;right:-15%;width:480px;height:480px;background:radial-gradient(circle,rgba(99,102,241,.06) 0%,transparent 70%);border-radius:50%}
.hero::after{content:'';position:absolute;bottom:-25%;left:-10%;width:360px;height:360px;background:radial-gradient(circle,rgba(139,92,246,.05) 0%,transparent 70%);border-radius:50%}

/* === Chat Interface === */
.chat-box{max-width:700px;margin:0 auto;background:#fff;border-radius:20px;box-shadow:0 4px 6px -1px rgba(0,0,0,.08),0 10px 24px -4px rgba(0,0,0,.08);overflow:hidden;text-align:left;border:1px solid #f3f4f6}
.chat-messages{height:320px;overflow-y:auto;padding:24px;display:flex;flex-direction:column;gap:14px}
.chat-msg{padding:14px 18px;border-radius:16px;max-width:85%;font-size:.9375rem;line-height:1.6;word-wrap:break-word;white-space:pre-wrap}
.chat-msg.assistant{background:#f5f3ff;color:#111827;align-self:flex-start;border-bottom-left-radius:6px}
.chat-msg.user{background:linear-gradient(135deg,#6366f1,#8b5cf6);color:#fff;align-self:flex-end;border-bottom-right-radius:6px}
.chat-input-row{display:flex;align-items:center;gap:10px;padding:16px 20px;border-top:1px solid #f3f4f6;background:#fafbfc}
.chat-input{flex:1;padding:12px 18px;border:1px solid #e5e7eb;border-radius:12px;font-size:.9375rem;outline:none}
.chat-input:focus{border-color:#6366f1;box-shadow:0 0 0 3px rgba(99,102,241,.12)}
.chat-send{padding:12px 24px;border-radius:12px;background:linear-gradient(135deg,#6366f1,#8b5cf6);color:#fff;border:none;font-weight:600;cursor:pointer;font-size:.9rem;box-shadow:0 2px 8px rgba(99,102,241,.25)}
.chat-send:hover{opacity:.92}
.chat-send:disabled{opacity:.5;cursor:not-allowed}
.chat-upload-btn{background:none;border:none;cursor:pointer;padding:6px 10px;color:#9ca3af;font-size:1.2rem}
.chat-upload-btn:hover{color:#6366f1}
.chat-image-preview{display:none;padding:12px 20px;border-top:1px solid #f3f4f6}
.chat-image-preview img{max-height:80px;border-radius:10px}
.chat-image-preview .remove-img{background:#ef4444;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:700px;margin:0 auto;background:#fff;border-radius:20px;box-shadow:0 4px 6px -1px rgba(0,0,0,.08),0 10px 24px -4px rgba(0,0,0,.08);overflow:hidden;text-align:left;border:1px solid #f3f4f6}
.tool-input-area{padding:24px}
.tool-textarea{width:100%;min-height:140px;padding:16px;border:1px solid #e5e7eb;border-radius:12px;font-size:.9375rem;font-family:inherit;resize:vertical;outline:none}
.tool-textarea:focus{border-color:#6366f1;box-shadow:0 0 0 3px rgba(99,102,241,.12)}
.tool-actions{display:flex;justify-content:space-between;align-items:center;padding:0 24px 20px}
.tool-actions .char-count{font-size:.8125rem;color:#9ca3af}
.tool-result{padding:24px;border-top:1px solid #f3f4f6;display:none}
.tool-result.active{display:block}
.tool-result-content{background:#f5f3ff;padding:20px;border-radius:12px;font-size:.9375rem;line-height:1.7;white-space:pre-wrap}
.tool-result h4{margin-bottom:10px;color:#6366f1}

/* === Sections === */
.section{padding:64px 0}
.section-alt{background:#f3f4f6}
.content{max-width:780px;margin:0 auto}
.content h2{margin-top:40px}
.content h2:first-child{margin-top:0}
.content p{color:#374151;font-size:1rem;line-height:1.75}
.content a{text-decoration:underline;text-decoration-color:rgba(67,56,202,.55);text-underline-offset:3px}
.content ul{color:#374151;font-size:1rem;line-height:1.75}
.content img{margin:28px auto;border-radius:12px;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;background:#e5e7eb}
.section-title{text-align:center;margin-bottom:48px}
.section-title h2{font-size:1.875rem}
.section-title p{color:#4b5563;font-size:1.0625rem;max-width:600px;margin:12px auto 0}

/* === Feature Cards === */
.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-top:48px}
.feature-card{text-align:center;padding:32px 20px;border-radius:20px;background:#fff;border:1px solid #f3f4f6;box-shadow:0 1px 3px rgba(0,0,0,.05)}
.feature-card:hover{box-shadow:0 10px 24px -4px rgba(0,0,0,.08);border-color:#e5e7eb}
.feature-icon{width:56px;height:56px;margin:0 auto 20px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:1.6rem}
.feature-icon.blue{background:#eef2ff;color:#6366f1}
.feature-icon.purple{background:#f5f3ff;color:#8b5cf6}
.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:8px}
.feature-card p{font-size:.875rem;color:#6b7280;margin:0;line-height:1.55}

/* === Tools Grid === */
.tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px;margin-top:28px}
.tool-card{display:flex;align-items:center;gap:16px;padding:20px 24px;border-radius:16px;background:#fff;border:1px solid #f3f4f6;text-decoration:none;color:#111827;box-shadow:0 1px 3px rgba(0,0,0,.05)}
.tool-card:hover{border-color:#e5e7eb;box-shadow:0 10px 24px -4px rgba(0,0,0,.08);text-decoration:none}
.tool-card-icon{width:48px;height:48px;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:#6366f1}
.tool-card-icon.purple{background:#f5f3ff;color:#8b5cf6}
.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:.9375rem;margin-bottom:4px}
.tool-card-text p{font-size:.8125rem;color:#4b5563;margin:0}

/* === App Download Section === */
.app-section{text-align:center;padding:56px 0}
.app-section p{max-width:520px;margin:0 auto 24px}
.app-badges{display:flex;justify-content:center;gap:20px;flex-wrap:wrap}

/* === FAQ === */
.faq-list{max-width:780px;margin:0 auto}
.faq-item{border:1px solid #f3f4f6;border-radius:16px;margin-bottom:12px;overflow:hidden;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.05)}
.faq-q{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;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 24px 20px}
.faq-a p{font-size:.9375rem;color:#374151;margin:0;line-height:1.7}

/* === Popup === */
.popup-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.45);z-index:9999;display:flex;align-items:center;justify-content:center;backdrop-filter:blur(6px)}
.popup-box{background:#fff;border-radius:24px;padding:44px 36px;max-width:420px;width:90%;text-align:center;position:relative;box-shadow:0 25px 50px -12px rgba(0,0,0,.2);border:1px solid #f3f4f6}
.popup-close{position:absolute;top:16px;right:20px;background:none;border:none;font-size:1.5rem;color:#9ca3af;cursor:pointer}
.popup-icon{margin-bottom:24px}
.popup-box h3{font-size:1.25rem;margin-bottom:14px}
.popup-box p{color:#6b7280;font-size:.9375rem;line-height:1.6;margin-bottom:28px}
.popup-btn{display:block;width:100%;text-align:center;padding:14px;margin-bottom:12px}
.popup-link{font-size:.875rem;color:#6366f1}

/* === Testimonials === */
.testimonials{text-align:center;padding:64px 0}
.testimonials-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:36px}
.testimonial-card{background:#fff;border:1px solid #f3f4f6;border-radius:20px;padding:32px 28px;text-align:left;box-shadow:0 1px 3px rgba(0,0,0,.05)}
.testimonial-header{display:flex;align-items:center;gap:14px;margin-bottom:16px}
.testimonial-avatar{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,#6366f1,#8b5cf6);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:1rem}
.testimonial-info h3{font-size:.9375rem;font-weight:600;margin:0 0 4px}
.testimonial-info span{font-size:.8125rem;color:#6b7280}
.testimonial-card p{font-size:.9rem;color:#4b5563;line-height:1.6;margin:0}

/* === Best Apps Cards === */
.app-list{display:flex;flex-direction:column;gap:20px;margin-top:28px}
.app-list-item{display:flex;align-items:center;gap:24px;padding:24px 28px;background:#fff;border:1px solid #f3f4f6;border-radius:16px;box-shadow:0 1px 3px rgba(0,0,0,.05)}
.app-list-item:hover{box-shadow:0 10px 24px -4px rgba(0,0,0,.08)}
.app-list-rank{font-size:1.5rem;font-weight:700;color:#6366f1;width:40px;flex-shrink:0;text-align:center}
.app-list-info{flex:1}
.app-list-info h3{margin-bottom:6px}
.app-list-info p{margin:0;font-size:.9rem;color:#6b7280}
.app-list-badge{font-size:.8125rem;background:#ecfdf5;color:#059669;padding:6px 12px;border-radius:8px;font-weight:600}

/* === Download Page === */
.download-hero{padding:80px 0;text-align:center;background:#fff;border-radius:0 0 32px 32px;box-shadow:0 4px 24px rgba(0,0,0,.06)}
.download-hero h1{margin-bottom:20px}
.download-hero .app-meta{display:flex;justify-content:center;gap:28px;margin:24px 0 40px;font-size:.9375rem;color:#6b7280}
.download-screenshots{display:flex;justify-content:center;gap:16px;margin-top:36px;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);gap:20px}
.testimonials-grid{grid-template-columns:1fr}
}
@media(max-width:768px){
h1{font-size:1.875rem}
h2{font-size:1.375rem}
.hero{padding:56px 0 48px}
.chat-messages{height:240px;padding:16px}
.chat-msg{max-width:90%;font-size:.875rem;padding:12px 14px}
.chat-input-row{padding:12px 16px;gap:8px}
.chat-input{padding:10px 14px;font-size:.875rem}
.chat-send{padding:10px 16px;font-size:.8125rem;white-space:nowrap;flex-shrink:0}
.chat-upload-btn{padding:4px 6px;font-size:1.1rem;flex-shrink:0}
.chat-box{border-radius:16px;margin:0 -4px}
.tool-box{border-radius:16px;margin:0 -4px}
.tool-textarea{min-height:100px;font-size:.875rem}
.features-grid{grid-template-columns:1fr 1fr;gap:16px}
.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:12px}
.chat-input-row{padding:10px 12px;gap:6px}
.chat-input{padding:9px 12px;font-size:.8125rem}
.chat-send{padding:9px 14px;font-size:.75rem}
}

/* === Footer === */
.site-footer{background:#fff;color:#374151;padding:56px 0 0;border-top:1px solid #e5e7eb}
.footer-banner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:24px;border:1px solid #e5e7eb;border-radius:16px;background:#f8fafc;margin-bottom:28px}
.footer-banner h3{margin:0 0 6px;font-size:1.15rem;color:#111827}
.footer-banner p{margin:0;color:#6b7280;font-size:.92rem}
.footer-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;padding-bottom:34px;border-bottom:1px solid #e5e7eb}
.footer-col h4{color:#111827;font-size:.84rem;margin-bottom:14px;text-transform:uppercase;letter-spacing:.6px;font-weight:700}
.footer-col ul{list-style:none;padding:0}
.footer-col li{margin-bottom:10px}
.footer-col a{color:#4b5563;font-size:.89rem;text-decoration:none}
.footer-col a:hover{color:#111827}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;padding:32px 0;gap:24px;flex-wrap:wrap}
.footer-brand{max-width:400px}
.footer-brand .logo-link{color:#111827;margin-bottom:12px;display:inline-flex}
.footer-brand p{font-size:.875rem;color:#4b5563;line-height:1.65}
.footer-email a{color:#4f46e5}
.footer-legal{text-align:center;padding:22px 0;border-top:1px solid #e5e7eb;font-size:.8125rem;color:#6b7280}
.footer-legal a{color:#6b7280}
@media(max-width:768px){
.footer-banner{flex-direction:column;align-items:flex-start}
.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}
}