/* AI Blog Service — shared design system */
:root{--bg:#f7f8fc;--surface:#fff;--surface-2:#eef1ff;--text:#14182b;--muted:#667085;--line:#dfe3ec;--brand:#5b4df5;--brand-2:#14b8a6;--brand-dark:#3429bc;--success:#087f5b;--danger:#c92a2a;--warning:#a15c00;--shadow:0 18px 50px rgba(31,38,74,.11);--radius:18px;--radius-sm:11px;--container:1180px;--font:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
[data-theme="dark"]{--bg:#0c1020;--surface:#141a2f;--surface-2:#1c2442;--text:#f3f5ff;--muted:#aeb7cf;--line:#2b3559;--shadow:0 18px 50px rgba(0,0,0,.35)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);line-height:1.65}img,svg{max-width:100%;display:block}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}.container{width:min(calc(100% - 32px),var(--container));margin:auto}.skip-link{position:absolute;left:-9999px}.skip-link:focus{left:16px;top:16px;z-index:9999;background:var(--surface);padding:12px 16px;border-radius:8px}.announcement{background:#151936;color:#fff;text-align:center;padding:9px;font-size:.9rem}.announcement a{text-decoration:underline}.site-header{position:sticky;top:0;z-index:100;background:color-mix(in srgb,var(--surface) 92%,transparent);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}.nav{height:74px;display:flex;align-items:center;gap:24px}.logo{display:flex;align-items:center;gap:10px;font-weight:850;letter-spacing:-.03em}.logo-mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,var(--brand),var(--brand-2));display:grid;place-items:center;color:#fff;box-shadow:0 8px 24px rgba(91,77,245,.3)}.nav-links{display:flex;align-items:center;gap:23px;margin-left:auto}.nav-links a{font-weight:650;font-size:.95rem;color:var(--muted)}.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--brand)}.nav-actions{display:flex;align-items:center;gap:10px}.icon-btn,.menu-toggle{border:1px solid var(--line);background:var(--surface);color:var(--text);width:42px;height:42px;border-radius:12px;display:grid;place-items:center}.menu-toggle{display:none}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;padding:12px 18px;font-weight:750;transition:.2s transform,.2s box-shadow}.btn:hover{transform:translateY(-2px)}.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-dark));color:#fff;box-shadow:0 10px 24px rgba(91,77,245,.28)}.btn-secondary{background:var(--surface);border:1px solid var(--line);color:var(--text)}.btn-ghost{background:transparent;color:var(--brand)}.btn-danger{background:#fff0f0;color:var(--danger);border:1px solid #ffc9c9}.section{padding:84px 0}.section-sm{padding:54px 0}.eyebrow{display:inline-flex;gap:8px;align-items:center;color:var(--brand);font-weight:800;text-transform:uppercase;letter-spacing:.08em;font-size:.78rem}.hero{padding:78px 0 70px;overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:58px;align-items:center}.hero h1,.page-hero h1{font-size:clamp(2.6rem,6vw,5.2rem);line-height:1.02;letter-spacing:-.055em;margin:14px 0 22px}.hero p,.page-hero p{font-size:1.15rem;color:var(--muted);max-width:680px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:30px 0}.microcopy{font-size:.88rem;color:var(--muted)}.hero-visual{position:relative}.glow{position:absolute;inset:10% 0 auto 15%;height:70%;background:radial-gradient(circle,rgba(91,77,245,.32),transparent 66%);filter:blur(38px)}.app-window{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);overflow:hidden}.window-bar{padding:13px 16px;border-bottom:1px solid var(--line);display:flex;gap:7px}.dot{width:9px;height:9px;border-radius:50%;background:#ff6b6b}.dot:nth-child(2){background:#ffd43b}.dot:nth-child(3){background:#51cf66}.mock-grid{display:grid;grid-template-columns:170px 1fr;min-height:410px}.mock-side{background:var(--surface-2);padding:18px}.mock-line{height:10px;background:var(--line);border-radius:20px;margin:12px 0}.mock-main{padding:24px}.score-row,.stat-grid,.card-grid,.pricing-grid,.footer-grid,.steps,.blog-grid{display:grid;gap:20px}.score-row{grid-template-columns:repeat(3,1fr)}.mini-card,.card,.pricing-card,.quote,.stat-card,.form-card,.content-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 8px 24px rgba(31,38,74,.06)}.mini-card{padding:16px}.mini-card strong{font-size:1.4rem}.progress{height:8px;background:var(--line);border-radius:8px;overflow:hidden}.progress span{display:block;height:100%;background:linear-gradient(90deg,var(--brand),var(--brand-2))}.trust-strip{border-block:1px solid var(--line);background:var(--surface)}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;padding:25px 0}.stats strong{font-size:1.7rem;display:block}.stats span{color:var(--muted);font-size:.92rem}.section-head{text-align:center;max-width:720px;margin:0 auto 42px}.section-head h2,.split h2{font-size:clamp(2rem,4vw,3.4rem);line-height:1.1;letter-spacing:-.045em;margin:10px 0}.section-head p,.split p{color:var(--muted)}.card-grid{grid-template-columns:repeat(3,1fr)}.card{padding:26px}.card-icon{width:48px;height:48px;border-radius:14px;background:var(--surface-2);display:grid;place-items:center;color:var(--brand);font-weight:900;margin-bottom:18px}.card h3{margin:0 0 8px}.card p{color:var(--muted);margin:0}.steps{grid-template-columns:repeat(3,1fr);counter-reset:step}.step{padding:28px;border-left:2px solid var(--brand);background:linear-gradient(90deg,var(--surface-2),transparent)}.step:before{counter-increment:step;content:"0" counter(step);font-weight:900;color:var(--brand)}.split{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}.check-list{list-style:none;padding:0}.check-list li{padding:8px 0 8px 30px;position:relative}.check-list li:before{content:"✓";position:absolute;left:0;color:var(--success);font-weight:900}.tool-shell{display:grid;grid-template-columns:.8fr 1.2fr;gap:20px}.form-card,.content-card{padding:24px}.field{margin-bottom:16px}.field label{display:block;font-weight:750;margin-bottom:6px}.field input,.field select,.field textarea{width:100%;background:var(--bg);color:var(--text);border:1px solid var(--line);border-radius:10px;padding:11px 12px;outline:none}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(91,77,245,.14)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.output{min-height:470px;white-space:pre-wrap;background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:20px;overflow:auto}.output.empty{display:grid;place-items:center;text-align:center;color:var(--muted)}.toolbar{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}.meta-row{display:flex;justify-content:space-between;color:var(--muted);font-size:.88rem;margin-top:10px}.error{color:var(--danger);font-size:.9rem;min-height:22px}.success{color:var(--success)}.loader{width:22px;height:22px;border:3px solid var(--line);border-top-color:var(--brand);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.pricing-grid{grid-template-columns:repeat(4,1fr)}.pricing-card{padding:26px;position:relative}.pricing-card.featured{border:2px solid var(--brand);transform:translateY(-8px)}.badge{display:inline-block;padding:5px 9px;border-radius:20px;background:var(--surface-2);color:var(--brand);font-size:.75rem;font-weight:800}.price{font-size:2.5rem;font-weight:900;letter-spacing:-.05em}.price small{font-size:.85rem;color:var(--muted)}.toggle-wrap{display:flex;align-items:center;justify-content:center;gap:12px;margin-bottom:32px}.switch{width:56px;height:30px;border-radius:30px;background:var(--line);padding:3px;border:0}.switch span{display:block;width:24px;height:24px;border-radius:50%;background:#fff;transition:.2s}.switch.yearly{background:var(--brand)}.switch.yearly span{transform:translateX(26px)}.quote{padding:28px}.quote blockquote{font-size:1.12rem;margin:0 0 20px}.slider-controls{display:flex;justify-content:center;gap:10px;margin-top:18px}.faq-list{max-width:850px;margin:auto}.faq-item{border-bottom:1px solid var(--line)}.faq-q{width:100%;padding:20px 0;background:none;border:0;color:var(--text);display:flex;justify-content:space-between;text-align:left;font-weight:800}.faq-a{display:none;padding:0 0 20px;color:var(--muted)}.faq-item.open .faq-a{display:block}.cta{background:linear-gradient(135deg,#25204f,#493cc9);color:#fff;border-radius:28px;padding:54px;text-align:center}.page-hero{padding:70px 0 48px;text-align:center}.page-hero h1{font-size:clamp(2.5rem,5vw,4.5rem)}.blog-grid{grid-template-columns:repeat(3,1fr)}.blog-card{overflow:hidden}.blog-cover{height:180px;background:linear-gradient(135deg,var(--brand),var(--brand-2));display:grid;place-items:center;color:white;font-size:2rem;font-weight:900}.blog-body{padding:22px}.blog-meta{color:var(--muted);font-size:.85rem}.article{max-width:780px;margin:auto}.article h2{margin-top:42px}.article p,.article li{color:var(--muted)}.author-box{display:flex;gap:18px;padding:24px;background:var(--surface-2);border-radius:var(--radius);margin-top:40px}.avatar{width:54px;height:54px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;display:grid;place-items:center;font-weight:900}.footer{background:#101426;color:#d7dcf0;padding:62px 0 24px;margin-top:70px}.footer-grid{grid-template-columns:1.4fr repeat(4,1fr)}.footer h4{color:#fff}.footer a{display:block;color:#aeb7cf;margin:8px 0}.footer-bottom{border-top:1px solid #2a3150;margin-top:38px;padding-top:20px;display:flex;justify-content:space-between;gap:18px}.cookie{position:fixed;bottom:18px;left:18px;right:18px;max-width:520px;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:var(--shadow);z-index:200}.cookie-actions{display:flex;gap:8px}.back-top{position:fixed;right:20px;bottom:20px;width:44px;height:44px;border:0;border-radius:12px;background:var(--brand);color:#fff;display:none}.modal{position:fixed;inset:0;background:rgba(7,10,24,.7);display:none;place-items:center;padding:20px;z-index:300}.modal.open{display:grid}.modal-card{background:var(--surface);padding:28px;border-radius:20px;max-width:560px;width:100%;box-shadow:var(--shadow)}.toast{position:fixed;right:20px;top:92px;background:#101426;color:#fff;padding:12px 18px;border-radius:12px;transform:translateX(140%);transition:.25s;z-index:400}.toast.show{transform:translateX(0)}.auth-shell{min-height:calc(100vh - 75px);display:grid;place-items:center;padding:50px 16px}.auth-card{width:min(100%,470px);background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:30px;box-shadow:var(--shadow)}.password-wrap{position:relative}.password-wrap button{position:absolute;right:8px;top:8px;border:0;background:none;color:var(--brand)}.legal{max-width:850px;margin:auto}.legal h2{margin-top:40px}.legal p,.legal li{color:var(--muted)}
@media(max-width:980px){.nav-links{display:none;position:absolute;left:16px;right:16px;top:72px;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:var(--shadow);flex-direction:column;align-items:flex-start}.nav-links.open{display:flex}.menu-toggle{display:grid}.nav-actions .login-link{display:none}.hero-grid,.split,.tool-shell{grid-template-columns:1fr}.pricing-grid{grid-template-columns:repeat(2,1fr)}.card-grid,.blog-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}.mock-grid{grid-template-columns:120px 1fr}}
@media(max-width:640px){.section{padding:62px 0}.hero{padding-top:52px}.stats,.score-row,.steps,.pricing-grid,.card-grid,.blog-grid,.form-grid{grid-template-columns:1fr}.stats{gap:12px}.pricing-card.featured{transform:none}.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column}.cta{padding:36px 22px}.nav-actions .btn{display:none}.mock-side{display:none}.mock-grid{grid-template-columns:1fr}.tool-shell{gap:12px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}