:root{--bg:#f7fbf9;--surface:#f4f9f7;--card:#fff;--text:#1e2a27;--muted:#66736f;--primary:#167458;--deep:#115842;--mint:#e8f5ef;--border:#dbe7e1;--shadow:0 8px 24px rgba(27,77,61,.08);--lift:0 18px 45px rgba(27,77,61,.14)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Vazirmatn,Arial,sans-serif;line-height:1.75}.container{max-width:1280px;margin:auto;padding:0 24px}.topbar{position:sticky;top:0;z-index:30;background:rgba(247,251,249,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}.nav-wrap{height:72px;display:flex;align-items:center;gap:34px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:inherit}.logo{width:44px;height:44px;border-radius:17px;background:var(--primary);color:#fff;display:grid;place-items:center;box-shadow:var(--shadow)}.logo svg{width:20px}.brand b{display:block;font-size:17px;font-weight:800}.brand small{display:block;font-size:10px;letter-spacing:.19em;color:var(--muted);white-space:nowrap}.nav-wrap nav{display:flex;gap:32px;margin-left:auto}.nav-wrap nav a{text-decoration:none;color:var(--muted);font-size:14px;font-weight:500}.nav-wrap nav a:hover{color:var(--primary)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:16px;padding:11px 19px;text-decoration:none;font-size:14px;font-weight:700;transition:.25s}.btn svg{width:16px}.primary{background:var(--primary);color:#fff;box-shadow:var(--shadow)}.primary:hover{background:var(--deep);transform:translateY(-2px)}.light{background:#fff;border:1px solid var(--border);color:var(--text)}.big{padding:13px 25px}.hero{min-height:655px;display:flex;align-items:center;border-bottom:1px solid var(--border)}.hero-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:85px;align-items:center;padding-top:80px;padding-bottom:80px}.badge{display:inline-flex;gap:7px;align-items:center;border:1px solid rgba(22,116,88,.2);background:var(--mint);color:var(--deep);border-radius:999px;padding:6px 13px;font-size:12px;font-weight:700}.badge svg{width:15px}.hero h1{font-size:64px;line-height:1.35;margin:22px 0 14px;font-weight:800}.hero h1 em{display:block;color:var(--primary);font-style:normal}.hero-copy>p{max-width:620px;color:var(--muted);font-size:18px;line-height:2}.actions{display:flex;gap:13px;margin-top:28px}.checks{list-style:none;padding:0;margin:32px 0 0;display:flex;gap:28px;color:var(--muted);font-size:14px}.checks li{display:flex;gap:8px;align-items:center}.checks span{width:21px;height:21px;border-radius:50%;background:var(--mint);color:var(--primary);display:grid;place-items:center;font-weight:800}.visual{position:relative}.blueprint{position:absolute;inset:0;border-radius:28px;background-image:linear-gradient(to left,rgba(22,116,88,.08) 1px,transparent 1px),linear-gradient(to bottom,rgba(22,116,88,.08) 1px,transparent 1px);background-size:28px 28px}.visual-card{position:relative;border:1px solid var(--border);border-radius:28px;padding:24px;background:rgba(255,255,255,.75);box-shadow:var(--lift);backdrop-filter:blur(7px)}.helmet{height:390px;border-radius:22px;background:linear-gradient(#dff2ea,#fff);display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--deep);gap:18px}.helmet svg{width:128px;height:128px;stroke-width:1.25;color:var(--primary)}.helmet b{font-size:15px}.chip{position:absolute;display:flex;gap:8px;align-items:center;background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);border-radius:15px;padding:7px 12px;font-size:12px;font-weight:700;animation:float 6s ease-in-out infinite}.chip svg{width:15px;color:var(--primary)}.c1{top:-15px;right:25px}.c2{top:95px;left:-15px;animation-delay:1.2s}.c3{bottom:95px;right:-22px;animation-delay:2s}.c4{bottom:-16px;left:30px;animation-delay:.6s}@keyframes float{50%{transform:translateY(-10px)}}.section{padding:90px 0}.surface{background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.section-title{text-align:center;max-width:680px;margin:auto}.section-title>span{color:var(--primary);font-size:12px;font-weight:800;letter-spacing:.13em}.section-title h2{font-size:34px;margin:10px 0 8px;line-height:1.55}.section-title p{color:var(--muted);font-size:15px;margin:0}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:48px}.feature{background:#fff;border:1px solid var(--border);border-radius:20px;padding:25px;box-shadow:var(--shadow);transition:.25s}.feature:hover{transform:translateY(-7px);box-shadow:var(--lift);border-color:#b8d9cb}.iconbox{width:50px;height:50px;background:var(--mint);color:var(--primary);border-radius:17px;display:grid;place-items:center}.iconbox svg{width:24px}.feature h3{font-size:17px;margin:20px 0 6px}.feature p{font-size:14px;color:var(--muted);margin:0;line-height:2}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:54px;position:relative}.steps:before{content:"";position:absolute;top:28px;right:14%;left:14%;height:1px;background:linear-gradient(to left,transparent,var(--primary),transparent);opacity:.35}.steps>div{text-align:center;position:relative}.steps b{display:grid;place-items:center;width:58px;height:58px;margin:auto;border-radius:50%;background:var(--primary);color:#fff;border:4px solid var(--bg);box-shadow:var(--lift);font-size:18px}.steps h3{font-size:17px;margin:19px 0 4px}.steps p{max-width:280px;margin:auto;color:var(--muted);font-size:14px}.narrow{max-width:1040px}.chat{margin-top:48px;background:#fff;border:1px solid var(--border);border-radius:28px;overflow:hidden;box-shadow:var(--lift)}.chat-head{height:50px;background:var(--surface);border-bottom:1px solid var(--border);display:flex;align-items:center;gap:7px;padding:0 22px}.chat-head span{width:10px;height:10px;border-radius:50%;background:var(--primary)}.chat-head span:nth-child(2){opacity:.5}.chat-head span:nth-child(3){opacity:.25}.chat-head b{margin-right:auto;color:var(--muted);font-size:12px}.messages{padding:35px;display:grid;gap:25px}.message{display:flex;gap:13px;align-items:flex-start}.message>svg,.message>i{width:38px;height:38px;padding:10px;border-radius:13px;background:var(--mint);color:var(--deep);flex:none}.message p{margin:0}.user p{max-width:650px;background:var(--surface);padding:15px 20px;border-radius:18px 4px 18px 18px;font-size:14px}.ai>i{background:var(--primary);color:#fff}.ai>div{border:1px solid var(--border);border-radius:18px 4px 18px 18px;padding:18px 20px;max-width:760px}.ai h3{margin:0 0 8px;color:var(--deep);font-size:16px}.ai p{font-size:14px;color:var(--muted)}.result{display:flex;gap:9px;flex-wrap:wrap;margin-top:14px}.result span{font-size:12px;padding:5px 10px;border-radius:999px;background:var(--mint);color:var(--deep)}.result span+span{background:#fff;border:1px solid var(--border);color:var(--muted)}.cta{position:relative;overflow:hidden;border-radius:28px;background:var(--deep);color:#fff;text-align:center;padding:65px 25px;box-shadow:var(--lift)}.cta>div:last-child{position:relative}.cta h2{font-size:38px;margin:0}.cta p{max-width:620px;margin:16px auto 25px;color:rgba(255,255,255,.78)}.cta-btn{background:#fff;color:var(--primary);padding:13px 28px}footer{text-align:center;padding:30px 15px;border-top:1px solid var(--border);color:var(--muted);font-size:12px}
/* dashboard */.dashboard-body{background:var(--surface)}.sidebar{position:fixed;right:0;top:0;bottom:0;width:288px;background:#fff;border-left:1px solid var(--border);z-index:50;display:flex;flex-direction:column}.side-brand{padding:18px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center}.close{display:none;margin-right:auto;border:0;background:none}.side-nav{padding:12px;display:grid;gap:4px;flex:1}.side-nav button{border:0;background:transparent;text-align:right;padding:12px 14px;border-radius:13px;display:flex;align-items:center;gap:12px;color:var(--muted);font:500 14px Vazirmatn;cursor:pointer}.side-nav button svg{width:18px}.side-nav button:hover{background:var(--surface);color:var(--text)}.side-nav .active{background:var(--primary);color:#fff;box-shadow:var(--shadow)}.side-bottom{border-top:1px solid var(--border);padding:12px;display:grid;gap:10px}.profile{background:var(--surface);padding:12px;display:flex;align-items:center;gap:11px;border-radius:14px}.profile>span,.avatar{width:40px;height:40px;border-radius:50%;background:var(--primary);color:#fff;display:grid;place-items:center}.profile svg,.avatar svg{width:17px}.profile b,.profile small{display:block}.profile b{font-size:14px}.profile small{font-size:11px;color:var(--muted)}.back-home{border:1px solid var(--border);border-radius:13px;padding:10px;text-decoration:none;color:var(--muted);font-size:13px;text-align:center;display:flex;justify-content:center;gap:8px;align-items:center}.back-home svg{width:15px}.dash-main{margin-right:288px}.dash-header{position:sticky;top:0;z-index:20;background:rgba(247,251,249,.88);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);padding:18px 32px;display:flex;align-items:center;justify-content:space-between}.dash-header h1{margin:0;font-size:20px}.dash-header p{margin:2px 0 0;color:var(--muted);font-size:13px}.head-actions{display:flex;align-items:center;gap:12px}.head-actions button{width:40px;height:40px;border:1px solid var(--border);border-radius:13px;background:#fff;color:var(--muted)}.head-actions svg{width:18px}.menu-btn{display:none}.dash-content{max-width:1250px;margin:auto;padding:34px 32px 70px}.prompt-card,.activity,.answer-preview{background:#fff;border:1px solid var(--border);border-radius:24px;padding:24px;box-shadow:var(--shadow)}.prompt-top{display:flex;gap:13px;align-items:center}.ai-icon{width:42px;height:42px;background:var(--primary);color:#fff;border-radius:14px;display:grid;place-items:center}.ai-icon svg{width:19px}.prompt-top h2{margin:0;font-size:18px}.prompt-top p{margin:2px 0;color:var(--muted);font-size:13px}.prompt-input{margin-top:20px;border:1px solid var(--border);border-radius:18px;padding:12px;display:flex;background:var(--bg)}textarea{width:100%;border:0;outline:0;resize:none;min-height:80px;background:transparent;font:14px/2 Vazirmatn;color:var(--text)}.prompt-input button{align-self:flex-end;width:44px;height:44px;border:0;border-radius:13px;background:var(--primary);color:#fff}.prompt-input svg{width:18px}.quick{display:flex;flex-wrap:wrap;gap:9px;margin-top:14px}.quick button{border:1px solid var(--border);background:#fff;border-radius:999px;padding:7px 13px;font:500 12px Vazirmatn;color:var(--muted);display:flex;gap:6px;align-items:center}.quick svg{width:15px;color:var(--primary)}.block-title{font-size:19px;margin:32px 0 15px}.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.quick-card{background:#fff;border:1px solid var(--border);border-radius:19px;padding:18px;text-align:right;display:flex;gap:12px;align-items:center;cursor:pointer;transition:.2s}.quick-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.quick-card>span{width:42px;height:42px;background:var(--mint);color:var(--primary);border-radius:13px;display:grid;place-items:center;flex:none}.quick-card span svg{width:19px}.quick-card div{flex:1}.quick-card b{font:700 14px Vazirmatn}.quick-card p{margin:2px 0 0;color:var(--muted);font-size:11px}.quick-card>svg{width:16px;color:var(--muted)}.activity{margin-top:22px;padding:0;overflow:hidden}.activity-head{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;border-bottom:1px solid var(--border)}.activity-head h2{font-size:17px;margin:0}.activity-head button{border:0;background:none;color:var(--primary);font:700 12px Vazirmatn}.activity-row{padding:15px 22px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}.activity-row:last-child{border:0}.activity-row b{font-size:14px}.activity-row p{margin:2px 0 0;color:var(--muted);font-size:11px}.status{padding:5px 11px;border-radius:999px;font-size:11px;font-weight:700}.done{background:var(--mint);color:var(--deep)}.progress{background:#edf6f1;color:var(--primary)}.wait{background:#f0f2f1;color:var(--muted)}.answer-preview{margin-top:22px}.preview-head{display:flex;align-items:center;gap:10px}.preview-head h2{font-size:17px;margin:0}.analyzing{margin-right:auto;background:var(--mint);color:var(--deep);border-radius:999px;padding:5px 10px;font-size:11px;font-weight:700}.analyzing i{display:inline-block;width:7px;height:7px;background:var(--primary);border-radius:50%;animation:pulse 1s infinite}@keyframes pulse{50%{opacity:.2}}.formula{margin-top:18px;background:var(--bg);padding:17px;border-radius:16px;color:var(--muted);font-size:13px}.formula b{display:block;color:var(--text);margin-bottom:7px}.formula p{margin:3px 0}
@media(max-width:1000px){.nav-wrap nav{display:none}.hero-grid{gap:45px}.hero h1{font-size:48px}.feature-grid,.quick-grid{grid-template-columns:repeat(2,1fr)}.sidebar{transform:translateX(100%);transition:.25s}.sidebar.show{transform:none}.close{display:block}.mobile-overlay{position:fixed;inset:0;background:rgba(20,40,34,.3);z-index:40;display:none}.mobile-overlay.show{display:block}.dash-main{margin-right:0}.menu-btn{display:inline-grid;place-items:center;width:38px;height:38px;margin-left:10px;border:1px solid var(--border);background:#fff;border-radius:12px}.dash-header>div:first-child{display:flex;align-items:center;flex-wrap:wrap}.dash-header p{width:100%;margin-right:48px}.menu-btn svg{width:18px}}
@media(max-width:720px){.container{padding:0 16px}.nav-wrap{height:66px}.brand b{font-size:14px}.brand small{font-size:8px}.nav-wrap>.btn{padding:9px 13px;font-size:12px}.hero{min-height:auto}.hero-grid{grid-template-columns:1fr;padding:55px 16px}.hero-copy{order:1}.visual{order:2}.hero h1{font-size:38px}.hero-copy>p{font-size:15px}.checks{gap:13px;font-size:11px}.helmet{height:280px}.section{padding:65px 0}.section-title h2{font-size:26px}.feature-grid,.steps,.quick-grid{grid-template-columns:1fr}.steps:before{display:none}.steps{gap:28px}.chip{font-size:10px;padding:6px 9px}.messages{padding:20px}.cta h2{font-size:27px}.dash-header{padding:14px 16px}.dash-content{padding:22px 16px 50px}.quick-card{min-height:78px}.activity-row{padding:14px}.preview-head h2{font-size:14px}.analyzing{font-size:9px}.actions{flex-wrap:wrap}.hero-grid{gap:30px}}