*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #f5f5f4;--bg-deep: #ebebea;--surface: #fafaf9;--surface-green:#f0f2ef;--border-green: #b5bdb5;--green: #7a9680;--green-dark: #4e6854;--green-dim: rgba(90,120,96,.05);--chip-bg: #eeeeec;--chip-border: #d6d6d4;--text: #1a1a1a;--text-mid: #5c5c5a;--text-muted: #9a9a98;--accent: #6a8e72;--accent-hover: #5c7e64;--red: #b85c5c;--user-bg: #4e6854;--sans: "DM Sans", system-ui, -apple-system, sans-serif;--mono: "DM Mono", ui-monospace, monospace;--max-w: 1120px;--section-py: 100px}html{scroll-behavior:smooth}body{font-family:var(--sans);color:var(--text);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:#f5f5f4d9;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--chip-border)}.nav-inner{max-width:var(--max-w);margin:0 auto;padding:0 32px;height:56px;display:flex;align-items:center;justify-content:space-between}.nav-brand{display:flex;align-items:center;gap:10px}.nav-logo{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;background:var(--green-dark);color:#fff;font-family:var(--mono);font-weight:600;font-size:15px;border-radius:8px}.nav-name{font-weight:600;font-size:17px;letter-spacing:-.3px}.nav-links{display:flex;gap:32px}.nav-links a{font-size:13.5px;color:var(--text-mid);transition:color .15s}.nav-links a:hover{color:var(--text)}.nav-toggle{display:none;flex-direction:column;gap:4px;background:none;border:none;cursor:pointer;padding:4px}.nav-toggle span{display:block;width:20px;height:2px;background:var(--text-mid);border-radius:1px;transition:.2s}.hero{padding:140px 32px var(--section-py);max-width:var(--max-w);margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}.hero-tag{font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:1.2px;color:var(--accent);margin-bottom:16px}.hero-title{font-size:48px;font-weight:700;line-height:1.12;letter-spacing:-1.2px;margin-bottom:20px}.hero-title em{font-style:italic;color:var(--green-dark)}.hero-sub{font-size:16.5px;color:var(--text-mid);line-height:1.65;max-width:480px;margin-bottom:32px}.hero-actions{display:flex;gap:12px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:11px 24px;border-radius:8px;font-family:var(--sans);font-size:14px;font-weight:500;cursor:pointer;border:none;transition:all .15s}.btn-primary{background:var(--green-dark);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.btn-ghost{background:transparent;color:var(--text-mid);border:1px solid var(--chip-border)}.btn-ghost:hover{background:var(--chip-bg);color:var(--text)}.hero-visual{perspective:800px}.hero-card{background:var(--surface);border:1px solid var(--chip-border);border-radius:12px;overflow:hidden;box-shadow:0 8px 40px #0000000f,0 1px 3px #0000000a;transform:rotateY(-2deg) rotateX(1deg);transition:transform .4s}.hero-card:hover{transform:rotateY(0) rotateX(0)}.hero-card-header{display:flex;align-items:center;gap:8px;padding:10px 16px;border-bottom:1px solid var(--chip-border);background:var(--bg)}.dot{width:8px;height:8px;border-radius:50%}.dot.green{background:var(--green)}.hero-card-label{font-family:var(--mono);font-size:10px;text-transform:uppercase;letter-spacing:.6px;color:var(--text-muted)}.hero-card-body{padding:16px;display:flex;flex-direction:column;gap:12px}.msg{padding:12px 14px;border-radius:10px;font-size:13px;line-height:1.55}.msg-tag{font-family:var(--mono);font-size:9px;text-transform:uppercase;letter-spacing:.8px;display:block;margin-bottom:6px}.msg-user{background:var(--user-bg);color:#fff}.msg-user .msg-tag{color:#fff9}.msg-ai{background:var(--surface-green);border:1px solid var(--border-green)}.msg-ai .msg-tag{color:var(--green)}.widget{margin-top:10px;padding-top:10px;border-top:1px solid var(--border-green)}.widget-label{font-size:12px;font-weight:500;display:block;margin-bottom:8px}.widget-opts{display:flex;gap:6px;flex-wrap:wrap}.chip{padding:5px 14px;border-radius:6px;font-size:12px;background:var(--chip-bg);border:1px solid var(--chip-border);color:var(--text-mid)}.chip.selected{background:var(--green-dark);border-color:var(--green-dark);color:#fff}.stats{background:var(--green-dark);color:#fff}.stats-inner{max-width:var(--max-w);margin:0 auto;padding:60px 32px;display:grid;grid-template-columns:repeat(3,1fr);gap:48px;text-align:center}.stat-num{display:block;font-size:36px;font-weight:700;letter-spacing:-.5px;margin-bottom:6px}.stat-label{font-size:14px;color:#ffffffb3;line-height:1.5}.section-inner{max-width:var(--max-w);margin:0 auto;padding:var(--section-py) 32px}.section-tag{font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:1.2px;color:var(--accent);margin-bottom:12px}.section-title{font-size:36px;font-weight:700;letter-spacing:-.8px;margin-bottom:48px;line-height:1.15}.features{background:var(--surface)}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.feature-card{padding:28px 24px;background:var(--bg);border:1px solid var(--chip-border);border-radius:10px;transition:border-color .2s,box-shadow .2s}.feature-card:hover{border-color:var(--border-green);box-shadow:0 2px 12px #0000000a}.feature-icon{width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:var(--surface-green);border:1px solid var(--border-green);border-radius:8px;color:var(--green-dark);margin-bottom:16px}.feature-card h3{font-size:16px;font-weight:600;margin-bottom:8px}.feature-card p{font-size:13.5px;color:var(--text-mid);line-height:1.6}.how{background:var(--bg)}.steps{display:flex;flex-direction:column;gap:0;position:relative}.step{display:flex;gap:28px;align-items:flex-start;padding:28px 0;position:relative}.step:not(:last-child):after{content:"";position:absolute;left:19px;top:60px;bottom:0;width:1px;background:var(--chip-border)}.step-num{flex-shrink:0;width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:var(--green-dark);color:#fff;font-family:var(--mono);font-size:14px;font-weight:600;border-radius:50%;position:relative;z-index:1}.step-content h3{font-size:17px;font-weight:600;margin-bottom:6px}.step-content p{font-size:14.5px;color:var(--text-mid);line-height:1.6;max-width:560px}.privacy{background:var(--surface)}.privacy-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.privacy-card{padding:28px 24px;background:var(--bg);border:1px solid var(--chip-border);border-radius:10px}.privacy-card h3{font-size:16px;font-weight:600;margin-bottom:8px}.privacy-card p{font-size:13.5px;color:var(--text-mid);line-height:1.6}.audience{background:var(--bg)}.audience-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.audience-card{padding:28px 24px;background:var(--surface);border:1px solid var(--chip-border);border-radius:10px}.audience-card h3{font-size:16px;font-weight:600;margin-bottom:8px;color:var(--green-dark)}.audience-card p{font-size:13.5px;color:var(--text-mid);line-height:1.6}.contact{background:var(--surface)}.contact-sub{font-size:16px;color:var(--text-mid);margin-top:-32px;margin-bottom:40px;max-width:520px}.contact-form{max-width:560px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:12px;font-weight:500;color:var(--text-mid);margin-bottom:6px;font-family:var(--mono);text-transform:uppercase;letter-spacing:.5px}.form-group input,.form-group select,.form-group textarea{width:100%;padding:10px 14px;font-family:var(--sans);font-size:14px;color:var(--text);background:var(--bg);border:1px solid var(--chip-border);border-radius:8px;outline:none;transition:border-color .15s}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--green)}.form-group textarea{resize:vertical;min-height:100px}.form-note{margin-top:12px;font-size:13px;color:var(--accent)}.form-success{max-width:560px;text-align:center;padding:56px 32px;background:var(--bg);border:1px solid var(--chip-border);border-radius:12px;animation:successFadeIn .45s ease both}.form-success-icon{margin-bottom:20px}.form-success-title{font-size:22px;font-weight:600;margin-bottom:8px;color:var(--text)}.form-success-body{font-size:15px;color:var(--text-mid);line-height:1.6;margin-bottom:28px}.form-success-reset{font-size:13px}@keyframes successFadeIn{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.contact-alt{margin-top:40px;padding-top:24px;border-top:1px solid var(--chip-border)}.contact-alt p{font-size:13px;color:var(--text-muted);margin-bottom:6px}.contact-email{font-size:15px;font-weight:500;color:var(--green-dark);transition:color .15s}.contact-email:hover{color:var(--accent)}.footer{border-top:1px solid var(--chip-border);background:var(--bg)}.footer-inner{max-width:var(--max-w);margin:0 auto;padding:48px 32px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:24px}.footer-brand{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.footer-tagline{width:100%;font-size:13px;color:var(--text-muted);font-style:italic;margin-top:2px}.footer-links{display:flex;gap:28px}.footer-links a{font-size:13px;color:var(--text-mid);transition:color .15s}.footer-links a:hover{color:var(--text)}.footer-copy{width:100%;font-size:12px;color:var(--text-muted);text-align:center;padding-top:24px;border-top:1px solid var(--chip-border)}.animate-in{opacity:0;transform:translateY(20px);transition:opacity .5s ease,transform .5s ease}.animate-in.visible{opacity:1;transform:translateY(0)}@media(max-width:900px){.hero{grid-template-columns:1fr;gap:48px;padding-top:110px}.hero-title{font-size:38px}.feature-grid,.audience-grid{grid-template-columns:1fr 1fr}.stats-inner{grid-template-columns:1fr;gap:28px}}@media(max-width:640px){:root{--section-py: 64px}.nav-links{display:none}.nav-toggle{display:flex}.nav-links.open{display:flex;flex-direction:column;position:absolute;top:56px;left:0;right:0;background:#f5f5f4f7;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);padding:16px 32px 24px;gap:16px;border-bottom:1px solid var(--chip-border)}.hero-title{font-size:32px}.section-title{font-size:28px}.feature-grid,.privacy-grid,.audience-grid,.form-row{grid-template-columns:1fr}.footer-inner{flex-direction:column;text-align:center}.footer-links,.footer-brand{justify-content:center}}