@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap");:root{--bg:#fafaf9;--card:#fff;--text:#1c1917;--muted:#78716c;--border:#e7e5e4;--accent:#2563eb;--accent-light:#eff6ff;--slate:#f5f5f4;--heading:"Inter",system-ui,sans-serif;--body:"Inter",system-ui,sans-serif;--mono:ui-monospace,"SF Mono",Monaco,"Cascadia Mono",monospace}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--bg)}@keyframes slideUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-4px)}}::selection{background:var(--accent);color:#fff}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--bg)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}.nav-link{color:var(--muted);text-decoration:none;font-size:14px;font-weight:500;padding:8px 16px;border-radius:8px;transition:all .2s}.nav-link:hover{color:var(--text);background:var(--slate)}.btn-primary{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:12px;background:var(--accent);color:#fff;font-family:var(--body);font-size:15px;font-weight:600;border:none;cursor:pointer;text-decoration:none;transition:all .2s}.btn-primary:hover{background:#1d4ed8;transform:translateY(-1px);box-shadow:0 8px 24px rgba(37,99,235,.25)}.btn-secondary{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:12px;background:var(--card);color:var(--text);font-family:var(--body);font-size:15px;font-weight:600;border:1px solid var(--border);cursor:pointer;text-decoration:none;transition:all .2s}.btn-secondary:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-1px)}.input-field{width:100%;padding:14px 16px;border-radius:12px;border:1px solid var(--border);background:var(--card);color:var(--text);font-family:var(--body);font-size:14px;outline:none;transition:border .2s}.input-field:focus{border-color:var(--accent)}.input-field::placeholder{color:#a8a29e}.section-container{max-width:1120px;margin:0 auto;padding:100px 32px}.section-label{font-family:var(--mono);font-size:12px;font-weight:600;color:var(--accent);text-transform:uppercase;letter-spacing:3px;margin-bottom:12px}.section-h2{font-family:var(--heading);font-size:clamp(28px,4vw,40px);font-weight:700;color:var(--text);line-height:1.2;margin-bottom:32px}.section-sub{font-size:17px;color:var(--muted);line-height:1.7;margin-bottom:40px;max-width:600px;margin-top:-24px}.chat-wrapper{max-width:760px;margin:0 auto}.chat-box{background:var(--card);border-radius:24px;border:1px solid var(--border);overflow:hidden;box-shadow:0 4px 32px rgba(0,0,0,.06)}.chat-header{padding:20px 28px;border-bottom:1px solid var(--border);justify-content:space-between;background:var(--slate)}.chat-avatar,.chat-header{display:flex;align-items:center}.chat-avatar{width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,var(--accent),#7c3aed);justify-content:center;color:#fff;font-size:18px;font-weight:700;font-family:var(--mono);flex-shrink:0}.chat-subtitle{font-size:12px;color:var(--muted)}.chat-status{display:flex;align-items:center;gap:6px;padding:4px 12px;border-radius:20px;background:rgba(34,197,94,.1);color:#16a34a;font-size:11px;font-family:var(--mono);font-weight:600;flex-shrink:0}.chat-status-dot{width:6px;height:6px;border-radius:50%;background:#16a34a;animation:pulse 2s infinite}.chat-messages{height:320px;overflow-y:auto;padding:20px 28px;display:flex;flex-direction:column;gap:14px;overflow-anchor:none}.chat-empty{flex:1 1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:var(--muted);text-align:center;padding:40px 20px}.chat-bubble{max-width:85%;padding:12px 16px;font-size:14px;line-height:1.7;font-family:var(--body);word-break:break-word}.chat-bubble-user{border-radius:16px 16px 4px 16px;background:var(--accent);color:#fff}.chat-bubble-ai{border-radius:16px 16px 16px 4px;background:var(--slate);color:var(--text)}.chat-markdown{font-size:14px;line-height:1.7}.chat-markdown>:first-child{margin-top:0}.chat-markdown>:last-child{margin-bottom:0}.chat-markdown p{margin:0 0 .5em}.chat-markdown h1,.chat-markdown h2,.chat-markdown h3{font-family:var(--heading);font-weight:600;font-size:15px;margin:0 0 .4em}.chat-markdown ol,.chat-markdown ul{margin:0 0 .5em .9em;padding-left:1.1em}.chat-markdown li{margin-bottom:.25em}.chat-markdown strong{font-weight:600}.chat-markdown a{color:var(--accent);text-decoration:underline}.chat-markdown code{font-family:var(--mono);font-size:.95em;background:rgba(0,0,0,.03);padding:0 3px;border-radius:4px}.chat-input-area{padding:16px 20px}.chat-input-row{display:flex;gap:10px;background:var(--bg);border-radius:16px;border:1px solid var(--border);padding:6px 6px 6px 18px;align-items:center;transition:border .2s}.chat-input{flex:1 1;border:none;background:transparent;color:var(--text);outline:none;padding:10px 0;min-width:0}.chat-input,.chat-send-btn{font-size:14px;font-family:var(--body)}.chat-send-btn{padding:10px 20px;border-radius:12px;border:none;font-weight:600;transition:all .2s;white-space:nowrap;flex-shrink:0}.suggestion-chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:20px}.suggestion-chip{padding:8px 16px;border-radius:24px;border:1px solid var(--border);background:var(--card);color:var(--muted);font-size:13px;font-family:var(--body);cursor:pointer;transition:all .2s}.suggestion-chip:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-light)}.hero-card{padding:16px 20px;background:var(--card);border-radius:14px;border:1px solid var(--border);display:flex;align-items:center;gap:14px;transition:all .2s}.hero-card:hover{border-color:var(--accent);transform:translateX(-4px)}.case-tabs{flex:0 0 260px;display:flex;flex-direction:column;gap:6px}.case-tab{padding:14px 18px;border-radius:12px;cursor:pointer;text-align:left;transition:all .2s;font-family:var(--body);background:transparent}.case-detail{flex:1 1;background:var(--card);border-radius:20px;border:1px solid var(--border);padding:36px;animation:fadeIn .3s ease}.exp-item{display:flex;gap:32px;padding:28px 0}.exp-period{flex:0 0 140px}.tech-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));grid-gap:20px;gap:20px}.hamburger{display:none;background:none;border:none;cursor:pointer;padding:8px;flex-direction:column;gap:5px;z-index:200}.hamburger span{display:block;width:22px;height:2px;background:var(--text);border-radius:2px;transition:all .3s}.mobile-menu-overlay{position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:150;animation:fadeIn .2s ease}.mobile-menu{position:absolute;top:0;right:0;width:280px;max-width:85vw;height:100vh;background:var(--card);padding:80px 24px 32px;display:flex;flex-direction:column;gap:4px;box-shadow:-8px 0 32px rgba(0,0,0,.1);animation:slideInRight .3s ease}.mobile-menu-link{display:block;padding:14px 16px;border-radius:10px;color:var(--text);text-decoration:none;font-size:16px;font-weight:500;transition:all .2s}.mobile-menu-link:hover{background:var(--slate);color:var(--accent)}@keyframes slideInRight{0%{transform:translateX(100%)}to{transform:translateX(0)}}@media(max-width:768px){.nav-links-desktop{display:none!important}.hamburger{display:flex!important}.section-container{padding:60px 20px}.hero-section{min-height:auto!important;padding-top:100px!important}.hero-grid{flex-direction:column!important;text-align:center;gap:32px!important;padding:100px 20px 60px!important}.hero-stats{gap:24px!important}.hero-btns,.hero-stats{justify-content:center!important}.hero-btns{flex-wrap:wrap}.hero-cards{flex:unset!important;width:100%}.hero-card{justify-content:center}.hero-tagline{justify-content:center!important}.services-grid{grid-template-columns:1fr!important}.case-layout{flex-direction:column!important}.case-tabs{flex:unset!important;flex-direction:row!important;overflow-x:auto;-webkit-overflow-scrolling:touch;gap:8px!important;padding-bottom:8px}.case-tab{white-space:nowrap;flex-shrink:0;min-width:-moz-fit-content;min-width:fit-content;padding:10px 16px!important}.case-detail{padding:24px!important}.exp-item{flex-direction:column!important;gap:8px!important}.exp-period{flex:unset!important}.contact-grid{grid-template-columns:1fr!important;gap:32px!important}.footer-inner,.form-row{flex-direction:column!important}.footer-inner{text-align:center;gap:16px!important}.chat-header{padding:16px;gap:8px}.chat-messages{height:260px;padding:16px}.chat-input-area{padding:12px}.chat-input-row{padding:4px 4px 4px 14px}.chat-send-btn{padding:10px 14px;font-size:13px}.chat-subtitle{font-size:11px}.suggestion-chips{gap:6px}.suggestion-chip{font-size:12px;padding:6px 12px}.tech-grid{grid-template-columns:repeat(2,1fr)!important;gap:16px}.hero-bg-circle{display:none!important}.section-sub{font-size:15px}}@media(max-width:480px){.section-container{padding:48px 16px}.hero-grid{padding:90px 16px 48px!important}.hero-stats{flex-wrap:wrap;gap:20px!important}.hero-btns{flex-direction:column;width:100%}.hero-btns a{width:100%;justify-content:center}.btn-primary,.btn-secondary{padding:12px 20px;font-size:14px}.chat-messages{height:220px;padding:12px}.chat-bubble{max-width:90%;font-size:13px}.chat-header{flex-direction:column;gap:8px;align-items:flex-start}.chat-status{align-self:flex-start}.tech-grid{grid-template-columns:repeat(2,1fr)!important}.case-detail{padding:16px!important}}